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Gámez F, Avilés-Moreno JR, Martens J, Berden G, Oomens J, Martínez-Haya B. Vibrational signatures of dynamic excess proton storage between primary amine and carboxylic acid groups. J Chem Phys 2024; 160:094311. [PMID: 38450729 DOI: 10.1063/5.0192331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 02/20/2024] [Indexed: 03/08/2024] Open
Abstract
Ammonium and carboxylic moieties play a central role in proton-mediated processes of molecular recognition, charge transfer or chemical change in (bio)materials. Whereas both chemical groups constitute acid-base pairs in organic salt-bridge structures, they may as well host excess protons in acidic environments. The binding of excess protons often precedes proton transfer reactions and it is therefore of fundamental interest, though challenging from a quantum chemical perspective. As a benchmark for this process, we investigate proton storage in the amphoteric compound 5-aminovaleric acid (AV), within an intramolecular proton bond shared by its primary amine and carboxylic acid terminal groups. Infrared ion spectroscopy is combined with ab initio Molecular Dynamics (AIMD) calculations to expose and rationalize the spectral signatures of protonated AV and its deuterated isotopologues. The dynamic character of the proton bond confers a fluxional structure to the molecular framework, leading to wide-ranging bands in the vibrational spectrum. These features are reproduced with remarkable accuracy by AIMD computations, which serves to lay out microscopic insights into the excess proton binding scenario.
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Affiliation(s)
- F Gámez
- Department of Physical Chemistry, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - J R Avilés-Moreno
- Department of Applied Physical Chemistry, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - J Martens
- FELIX Laboratory, Institute for Molecules and Materials, Radboud University, Toernooiveld 7, 6525ED Nijmegen, The Netherlands
| | - G Berden
- FELIX Laboratory, Institute for Molecules and Materials, Radboud University, Toernooiveld 7, 6525ED Nijmegen, The Netherlands
| | - J Oomens
- FELIX Laboratory, Institute for Molecules and Materials, Radboud University, Toernooiveld 7, 6525ED Nijmegen, The Netherlands
| | - B Martínez-Haya
- Center for Nanoscience and Sustainable Technologies (CNATS), Universidad Pablo de Olavide, 41013 Seville, Spain
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Bos MK, Lam SW, Motta G, Helmijr JCA, Beaufort CM, de Jonge E, Martens JWM, Boven E, Jansen MPHM, Jager A, Sleijfer S. Plasma ESR1 mutations and outcome to first-line paclitaxel and bevacizumab in patients with advanced ER-positive/HER2-negative breast cancer. Breast Cancer Res Treat 2023:10.1007/s10549-023-06965-5. [PMID: 37226020 DOI: 10.1007/s10549-023-06965-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 05/02/2023] [Indexed: 05/26/2023]
Abstract
BACKGROUND ESR1 mutations have been identified as mechanism for endocrine resistance and are also associated with a decreased overall survival. We assessed ESR1 mutations in circulating tumor DNA (ctDNA) for impact on outcome to taxane-based chemotherapy in advanced breast cancer patients. METHODS ESR1 mutations were determined in archived plasma samples from patients treated with paclitaxel and bevacizumab (AT arm, N = 91) in the randomized phase II ATX study. Samples collected at baseline (n = 51) and at cycle 2 (n = 13, C2) were analyzed using a breast cancer next-generation sequencing panel. This study was powered to detect a benefit in progression-free survival (PFS) at six months for patients treated with paclitaxel/bevacizumab compared to historical trials with fulvestrant. PFS, overall survival (OS), and ctDNA dynamics were exploratory analyses. RESULTS PFS at six months was 86% (18/21) in patients with an ESR1 mutation detected and 85% (23/27) in wildtype ESR1 patients. In our exploratory analysis, median progression-free survival (PFS) was 8.2 months [95% CI, 7.6-8.8] for ESR1 mutant patients versus 8.7 months [95% confidence interval (CI), 8.3-9.2] for ESR1 wildtype patients [p = 0.47]. The median overall survival (OS) was 20.7 months [95% CI, 6.6-33.7] for ESR1 mutant patients versus 28.1 months [95% confidence interval (CI), 19.3-36.9] for ESR1 wildtype patients [p = 0.27]. Patients with ≥ two ESR1 mutations had a significantly worse OS, but not PFS, compared to those who did not [p = 0.003]. Change in ctDNA level at C2 was not different between ESR1 and other mutations. CONCLUSIONS Presence of ESR1 mutations in baseline ctDNA might not be associated with inferior PFS and OS in advanced breast cancer patients treated with paclitaxel/bevacizumab.
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Affiliation(s)
- M K Bos
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Dr. Molewaterplein 40, 3015, GD, Rotterdam, The Netherlands.
| | - S W Lam
- Department of Medical Oncology, Amsterdam UMC, Vrije Universiteit Amsterdam/Cancer Center Amsterdam, De Boelelaan 1117, 1081 , HV, Amsterdam, The Netherlands
- Department of Radiology, The Netherlands, Cancer Institute/Antoni Van Leeuwenhoek Hospital, Plesmanlaan 121, 1066, CX, Amsterdam, The Netherlands
| | - G Motta
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Dr. Molewaterplein 40, 3015, GD, Rotterdam, The Netherlands
- IOM (Mediterranean Institute of Oncology) Research, Viagrande, Catania, Italy
- Department of Clinical and Experimental Medicine, A.O.U. Policlinico-Vittorio Emanuele, Center of Experimental Oncology and Hematology, University of Catania, Catania, Italy
| | - J C A Helmijr
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Dr. Molewaterplein 40, 3015, GD, Rotterdam, The Netherlands
| | - C M Beaufort
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Dr. Molewaterplein 40, 3015, GD, Rotterdam, The Netherlands
| | - E de Jonge
- Department of Clinical Chemistry, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - J W M Martens
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Dr. Molewaterplein 40, 3015, GD, Rotterdam, The Netherlands
| | - E Boven
- Department of Medical Oncology, Amsterdam UMC, Vrije Universiteit Amsterdam/Cancer Center Amsterdam, De Boelelaan 1117, 1081 , HV, Amsterdam, The Netherlands
| | - M P H M Jansen
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Dr. Molewaterplein 40, 3015, GD, Rotterdam, The Netherlands
| | - A Jager
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Dr. Molewaterplein 40, 3015, GD, Rotterdam, The Netherlands
| | - S Sleijfer
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Dr. Molewaterplein 40, 3015, GD, Rotterdam, The Netherlands
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Meyer YM, Wilting SM, Kraan J, Olthof P, Vermeulen P, Martens J, Grünhagen DJ, Sleijfer S, Verhoef C. Circulating tumour cells are associated with histopathological growth patterns of colorectal cancer liver metastases. Clin Exp Metastasis 2023; 40:69-77. [PMID: 36326981 PMCID: PMC9898367 DOI: 10.1007/s10585-022-10191-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 10/17/2022] [Indexed: 11/06/2022]
Abstract
Histopathological Growth Patterns (HGPs) have prognostic and predictive value in patients with Colorectal Liver Metastases (CRLM). This study examined whether preoperative measurement of Circulating Tumour Cells (CTCs) is associated with HGP. CTCs were prospectively enumerated in 7.5 ml of blood using the FDA-approved CellSearch system in patients who underwent local treatment of CRLM with curative intent between 2008 and 2021. All CTC samples were collected on the day of local treatment. Patients treated with neoadjuvant chemotherapy for CRLM or with extrahepatic disease at the time of CTC sampling were excluded. HGP was scored retrospectively following the current consensus guidelines. The association between CTCs and HGP was investigated through multivariable logistic regression. Data were available for 177 patients, desmoplastic HGP (dHGP) was observed in 34 patients (19%). There were no statistically significant differences in patient and tumour characteristics between dHGP and non-dHGP at baseline. Patients with dHGP had longer overall - and disease-free survival (logrank p = 0.003 and 0.003, respectively) compared to patients with non-dHGP. CTCs were not detected in 25(74%) of dHGP patients and in 68(48%) of non-dHGP patients (chi-squared p = 0.006). Preoperative absence of CTCs was the only significant predictor for dHGP in multivariable logistic regression (Odds Ratio 2.7, 95%CI 1.1-6.8, p = 0.028), Table 3. Preoperative absence of CTCs is associated with dHGP in chemo naive CRLM patients without extrahepatic disease. Based on our results, CTC count alone is not sufficient to preoperatively identify HGPs, but integration of CTC count in multivariable prediction models may aid the preoperative identification of HGPs of CRLM.
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Affiliation(s)
- Y M Meyer
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - S M Wilting
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - J Kraan
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - P Olthof
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - P Vermeulen
- Translational Cancer Research Unit (GZA Hospitals and University of Antwerp), Antwerp, Belgium
| | - J Martens
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - D J Grünhagen
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - S Sleijfer
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - C Verhoef
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands.
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He CC, Hamlow LA, Roy HA, Devereaux ZJ, Hasan MA, Israel E, Cunningham NA, Martens J, Berden G, Oomens J, Rodgers MT. Structural Determination of Lysine-Linked Cisplatin Complexes via IRMPD Action Spectroscopy: NN s and NO - Binding Modes of Lysine to Platinum Coexist. J Phys Chem B 2022; 126:9246-9260. [PMID: 36326184 DOI: 10.1021/acs.jpcb.2c06234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Despite its success as an anticancer drug, cisplatin suffers from resistance and produces side effects. To overcome these limitations, amino-acid-linked cisplatin analogues have been investigated. Lysine-linked cisplatin, Lysplatin, (Lys)PtCl2, exhibited outstanding reactivity toward DNA and RNA that differs from that of cisplatin. To gain insight into its differing reactivity, the structure of Lysplatin is examined here using infrared multiple photon dissociation (IRMPD) action spectroscopy. To probe the influence of the local chemical environment on structure, the deprotonated and sodium-cationized Lysplatin complexes are examined. Electronic structure calculations are performed to explore possible modes of binding of Lys to Pt, their relative stabilities, and to predict their infrared spectra. Comparisons of the measured IRMPD and predicted IR spectra elucidate the structures contributing to the experimental spectra. Coexistence of two modes of binding of Lys to Pt is found where Lys binds via the backbone and side-chain amino nitrogen atoms, NNs, or to the backbone amino and carboxylate oxygen atoms, NO-. Glycine-linked cisplatin and arginine-linked cisplatin complexes have previously been found to bind only via the NO- binding mode. Present results suggest that the NNs binding conformers may be key to the outstanding reactivity of Lysplatin toward DNA and RNA.
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Affiliation(s)
- C C He
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - L A Hamlow
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - H A Roy
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - Zachary J Devereaux
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - M A Hasan
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - E Israel
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - N A Cunningham
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - J Martens
- Institute for Molecules and Materials, FELIX Laboratory, Radboud University, Toernooiveld 7, 6525 ED Nijmegen, The Netherlands
| | - G Berden
- Institute for Molecules and Materials, FELIX Laboratory, Radboud University, Toernooiveld 7, 6525 ED Nijmegen, The Netherlands
| | - J Oomens
- Institute for Molecules and Materials, FELIX Laboratory, Radboud University, Toernooiveld 7, 6525 ED Nijmegen, The Netherlands.,Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - M T Rodgers
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
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Gharaee-Kermani M, Billi A, Hildebrandt M, Martens J, Wasikowski R, Kahlenberg J, Gudjonsson J. 777 Overexpression of Vgll3 induces cutaneous fibrosis in a mouse model of lupus-like autoimmunity using single-cell RNA analyses. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Bergin M, Roland-Batty W, Hatchwell CJ, Myles TA, Martens J, Fahy A, Barr M, Belcher WJ, Dastoor PC. Standardizing resolution definition in scanning helium microscopy. Ultramicroscopy 2022; 233:113453. [PMID: 35030513 DOI: 10.1016/j.ultramic.2021.113453] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 11/27/2021] [Accepted: 12/05/2021] [Indexed: 11/17/2022]
Abstract
Resolution is a key parameter for microscopy, but methods for standardizing its definition are often poorly defined. For a developing technique such as scanning helium microscopy, it is critical that a consensus-based protocol for determining instrument resolution is prepared as a written standard to allow both comparable quantitative measurements of surface topography and direct comparisons between different instruments. In this paper we assess a range of quantitative methods for determining instrument resolution and determine their relative merits when applied to the specific case of the scanning helium microscope (SHeM). Consequently, we present a preliminary protocol for measuring the resolution in scanning helium microscopy based upon utilizing appropriate test samples with sets of slits of well-defined dimensions to establish the quantitative resolution of any similar instrument.
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Affiliation(s)
- M Bergin
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia.
| | - W Roland-Batty
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - C J Hatchwell
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - T A Myles
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - J Martens
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - A Fahy
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - M Barr
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - W J Belcher
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - P C Dastoor
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
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7
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van Lingen E, Tushuizen ME, Steenhuis MEJ, van Deynen T, Martens J, Morales DDI, van der Meulen-de Jong AE, Molendijk I, van der Marel S, Maljaars PWJ. Disease activity in inflammatory bowel disease patients is associated with increased liver fat content and liver fibrosis during follow-up. Int J Colorectal Dis 2022; 37:349-356. [PMID: 34791524 DOI: 10.1007/s00384-021-04065-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/05/2021] [Indexed: 02/04/2023]
Abstract
PURPOSE Liver steatosis is a frequently reported condition in patients with inflammatory bowel disease (IBD). Different factors, both metabolic and IBD-associated, are believed to contribute to the pathogenesis. The aim of our study was to calculate the prevalence of liver steatosis and fibrosis in IBD patients and to evaluate which factors influence changes in steatosis and fibrosis during follow-up. METHODS From June 2017 to February 2018, demographic and biochemical data was collected at baseline and after 6-12 months. Measured by transient elastography (FibroScan), liver steatosis was defined as Controlled Attenuation Parameter (CAP) ≥248 and fibrosis as liver stiffness value (Emed) ≥7.3 kPa. IBD disease activity was defined as C-reactive protein (CRP) ≥10 mg/l and/or fecal calprotectin (FCP) ≥150 μg/g. Univariate and multivariate regression analysis was performed; a p-value of ≤0.05 was considered significant. RESULTS Eighty-two out of 112 patients were seen for follow-up; 56% were male. The mean age was 43 ± 16.0 years, and mean BMI was 25.1 ± 4.7 kg/m2. The prevalence of liver steatosis was 40% and of fibrosis was 20%. At baseline, 26 patients (32%) had an active episode of IBD. Using a multivariate analysis, disease activity at baseline was associated with an increase in liver steatosis (B = 37, 95% CI 4.31-69.35, p = 0.027) and liver fibrosis (B = 1.2, 95% CI 0.27-2.14, p = 0.016) during follow-up. CONCLUSIONS This study confirms the relatively high prevalence of liver steatosis and fibrosis in IBD patients. We demonstrate that active IBD at baseline is associated with both an increase in liver steatosis and fibrosis during follow-up.
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Affiliation(s)
- E van Lingen
- Department of Gastroenterology and Hepatology, Leiden University Medical Center (LUMC), Leiden, The Netherlands.
| | - M E Tushuizen
- Department of Gastroenterology and Hepatology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - M E J Steenhuis
- Department of Gastroenterology and Hepatology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - T van Deynen
- Department of Gastroenterology and Hepatology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - J Martens
- Department of Gastroenterology and Hepatology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - D Diaz-Infante Morales
- Department of Gastroenterology and Hepatology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - A E van der Meulen-de Jong
- Department of Gastroenterology and Hepatology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - I Molendijk
- Department of Gastroenterology and Hepatology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
| | - S van der Marel
- Department of Gastroenterology and Hepatology, Haaglanden Medical Center (HMC), The Hague, The Netherlands
| | - P W J Maljaars
- Department of Gastroenterology and Hepatology, Leiden University Medical Center (LUMC), Leiden, The Netherlands
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Rinaldi I, Gajewski J, Krah N, Martens J, Patera V, Rucinski A, Schiavi A, Nijsten B. A fully automated pipeline for log file based dose recalculation using an independent GPU-accelerated Monte Carlo in proton therapy. Phys Med 2021. [DOI: 10.1016/s1120-1797(22)00093-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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9
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He CC, Hamlow LA, Kimutai B, Roy HA, Devereaux ZJ, Cunningham NA, Martens J, Berden G, Oomens J, Chow CS, Rodgers MT. Structural determination of arginine-linked cisplatin complexes via IRMPD action spectroscopy: arginine binds to platinum via NO - binding mode. Phys Chem Chem Phys 2021; 23:21959-21971. [PMID: 34569570 DOI: 10.1039/d1cp03407c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cisplatin, (NH3)2PtCl2, has been known as a successful metal-based anticancer drug for more than half a century. Its analogue, Argplatin, arginine-linked cisplatin, (Arg)PtCl2, is being investigated because it exhibits reactivity towards DNA and RNA that differs from that of cisplatin. In order to understand the basis for its altered reactivity, the deprotonated and sodium cationized forms of Argplatin, [(Arg-H)PtCl2]- and [(Arg)PtCl2 + Na]+, are examined by infrared multiple photon dissociation (IRMPD) action spectroscopy in the IR fingerprint and hydrogen-stretching regions. Complementary electronic structure calculations are performed using density functional theory approaches to characterize the stable structures of these complexes and to predict their infrared spectra. Comparison of the theoretical IR spectra predicted for various stable conformations of these Argplatin complexes to their measured IRMPD spectra enables determination of the binding mode(s) of Arg to the Pt metal center to be identified. Arginine is found to bind to Pt in a bidentate fashion to the backbone amino nitrogen and carboxylate oxygen atoms in both the [(Arg-H)PtCl2]- and [(Arg)PtCl2 + Na]+ complexes, the NO- binding mode. The neutral side chain of Arg also interacts with the Pt center to achieve additional stabilization in the [(Arg-H)PtCl2]- complex. In contrast, Na+ binds to both chlorido ligands in the [(Arg)PtCl2 + Na]+ complex and the protonated side chain of Arg is stabilized via hydrogen-bonding interactions with the carboxylate moiety. These findings are consistent with condensed-phase results, indicating that the NO- binding mode of arginine to Pt is preserved in the electrospray ionization process even under variable pH and ionic strength.
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Affiliation(s)
- C C He
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA.
| | - L A Hamlow
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA.
| | - B Kimutai
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA.
| | - H A Roy
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA.
| | - Zachary J Devereaux
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA.
| | - N A Cunningham
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA.
| | - J Martens
- Radboud University, Institute for Molecules and Materials, FELIX Laboratory, Toernooiveld 7, 6525ED Nijmegen, The Netherlands
| | - G Berden
- Radboud University, Institute for Molecules and Materials, FELIX Laboratory, Toernooiveld 7, 6525ED Nijmegen, The Netherlands
| | - J Oomens
- Radboud University, Institute for Molecules and Materials, FELIX Laboratory, Toernooiveld 7, 6525ED Nijmegen, The Netherlands.,van't Hoff Institute for Molecular Sciences, University of Amsterdam, The Netherlands
| | - C S Chow
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA.
| | - M T Rodgers
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA.
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Span P, Jarvis M, Martens J, Harris R, Roelofs P. OC-0399 Co-occurrence of APOBEC3B and Homologous Recombination Deficiency is Rare in Breast Cancer. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)06886-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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11
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de Kruijff IE, Sieuwerts AM, Beije N, Prager-van der Smissen WJC, Angus L, Beaufort CM, Van MN, Oomen-de Hoop E, Jager A, Hamberg P, de Jongh FE, Kraan J, Martens JWM, Sleijfer S. Prospective Evaluation of a Circulating Tumor Cell Sensitivity Profile to Predict Response to Cisplatin Chemotherapy in Metastatic Breast Cancer Patients. Front Oncol 2021; 11:697572. [PMID: 34249756 PMCID: PMC8269318 DOI: 10.3389/fonc.2021.697572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 05/27/2021] [Indexed: 11/18/2022] Open
Abstract
Background Cisplatin (cDDP) has regained interest for metastatic breast cancer (MBC) patients, given the platinum sensitivity in subtypes and better manageable toxicity. Here, the primary aim was to determine whether molecular characteristics of circulating tumor cells (CTCs) could identify patients responding to cDDP and to describe the outcomes to cDDP monotherapy in a large group of MBC patients pretreated with anthracycline- and taxane-based treatments. Methods Based on cell line data, a CTC-cDDP-sensitivity profile was generated. Applying an A’Herns single-stage phase II design, further investigation was considered worthwhile if 5/10 patients with a favorable profile responded to cDDP. Patients received 70mg/m2 cDDP every three weeks, CTCs were enumerated and the CTC-cDDP-sensitivity profile was determined. In total, 65 heavily pretreated MBC patients (77% received ≥2 lines of previous chemotherapy for MBC) were eligible for the per-protocol analysis. Primary endpoint was response rate, secondary endpoints included best observed response, progression-free survival (PFS) and overall survival (OS). Results The best observed response during cDDP therapy was a partial response in 7% and stable disease in 56% of the patients. None of the patients with a favorable CTC-cDDP-sensitivity profile had a response. The median baseline CTC count was 8 (range 0-3254). Patients with <5 CTCs had a better PFS and OS than patients with ≥5 CTCs (median PFS 4.5 months (95%CI 2.38-6.62) vs. 2.1 months [(95%CI 1.34-2.80)(p=0.009)] and median OS 13.1 months (95%CI 9.89-16.33) vs. 5.6 months [(95%CI 3.60-7.64)(p=0.003)]. No other factors than CTC count were associated with outcome to cDDP therapy, including triple-negative breast cancer versus ER-positive tumors. Conclusions The CTC-cDDP-sensitivity profile was unable to select patients responding to cDDP monotherapy. In an unselected group of heavily pretreated MBC patients, cDDP yields outcomes comparable to other chemotherapeutic regimens for heavily pretreated MBC patients. CTC count was the only factor associated with outcome in these patients. Clinical Trial Registration (https://www.trialregister.nl/trial/3885, identifier NTR4046)
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Affiliation(s)
- I E de Kruijff
- Department of Medical Oncology & Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - A M Sieuwerts
- Department of Medical Oncology & Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - N Beije
- Department of Medical Oncology & Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - W J C Prager-van der Smissen
- Department of Medical Oncology & Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - L Angus
- Department of Medical Oncology & Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - C M Beaufort
- Department of Medical Oncology & Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - M N Van
- Department of Medical Oncology & Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - E Oomen-de Hoop
- Department of Medical Oncology & Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - A Jager
- Department of Medical Oncology & Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - P Hamberg
- Department of Medical Oncology, Franciscus Gasthuis & Vlietland, Rotterdam, Netherlands
| | - F E de Jongh
- Department of Medical Oncology, Ikazia Ziekenhuis, Rotterdam, Netherlands
| | - J Kraan
- Department of Medical Oncology & Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - J W M Martens
- Department of Medical Oncology & Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - S Sleijfer
- Department of Medical Oncology & Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
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Patel V, Martens J, Choi J, Cheyne C, McNitt S, Nickels M, Gosev I, Alexis J, Chen L. Utility of the INTERMACS Database on Studying Psychosocial Risk Factors in LVAD Patients. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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13
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Desa DE, Strawderman RL, Wu W, Hill RL, Smid M, Martens JWM, Turner BM, Brown EB. Intratumoral heterogeneity of second-harmonic generation scattering from tumor collagen and its effects on metastatic risk prediction. BMC Cancer 2020; 20:1217. [PMID: 33302909 PMCID: PMC7731482 DOI: 10.1186/s12885-020-07713-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 12/06/2020] [Indexed: 12/21/2022] Open
Abstract
Background Metastases are the leading cause of breast cancer-related deaths. The tumor microenvironment impacts cancer progression and metastatic ability. Fibrillar collagen, a major extracellular matrix component, can be studied using the light scattering phenomenon known as second-harmonic generation (SHG). The ratio of forward- to backward-scattered SHG photons (F/B) is sensitive to collagen fiber internal structure and has been shown to be an independent prognostic indicator of metastasis-free survival time (MFS). Here we assess the effects of heterogeneity in the tumor matrix on the possible use of F/B as a prognostic tool. Methods SHG imaging was performed on sectioned primary tumor excisions from 95 untreated, estrogen receptor-positive, lymph node negative invasive ductal carcinoma patients. We identified two distinct regions whose collagen displayed different average F/B values, indicative of spatial heterogeneity: the cellular tumor bulk and surrounding tumor-stroma interface. To evaluate the impact of heterogeneity on F/B’s prognostic ability, we performed SHG imaging in the tumor bulk and tumor-stroma interface, calculated a 21-gene recurrence score (surrogate for OncotypeDX®, or S-ODX) for each patient and evaluated their combined prognostic ability. Results We found that F/B measured in tumor-stroma interface, but not tumor bulk, is prognostic of MFS using three methods to select pixels for analysis: an intensity threshold selected by a blinded observer, a histogram-based thresholding method, and an adaptive thresholding method. Using both regression trees and Random Survival Forests for MFS outcome, we obtained data-driven prediction rules that show F/B from tumor-stroma interface, but not tumor bulk, and S-ODX both contribute to predicting MFS in this patient cohort. We also separated patients into low-intermediate (S-ODX < 26) and high risk (S-ODX ≥26) groups. In the low-intermediate risk group, comprised of patients not typically recommended for adjuvant chemotherapy, we find that F/B from the tumor-stroma interface is prognostic of MFS and can identify a patient cohort with poor outcomes. Conclusions These data demonstrate that intratumoral heterogeneity in F/B values can play an important role in its possible use as a prognostic marker, and that F/B from tumor-stroma interface of primary tumor excisions may provide useful information to stratify patients by metastatic risk. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-020-07713-4.
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Affiliation(s)
- Danielle E Desa
- Department of Biomedical Engineering, Hajim School of Engineering and Applied Sciences, University of Rochester, Rochester, New York, USA
| | - Robert L Strawderman
- Department of Biostatistics and Computational Biology, School of Medicine and Dentistry, University of Rochester Medical Center, Rochester, New York, USA
| | - Wencheng Wu
- Goergen Institute for Data Science, University of Rochester, Rochester, New York, USA
| | | | - Marcel Smid
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - J W M Martens
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Bradley M Turner
- Department of Pathology and Laboratory Medicine, School of Medicine and Dentistry, University of Rochester Medical Center, Rochester, New York, USA
| | - Edward B Brown
- Department of Biomedical Engineering, Hajim School of Engineering and Applied Sciences, University of Rochester, Rochester, New York, USA.
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14
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Iserbyt P, Coolkens R, Loockx J, Vanluyten K, Martens J, Ward P. Task Adaptations as a Function of Content Knowledge: A Functional Analysis. Res Q Exerc Sport 2020; 91:539-550. [PMID: 32004115 DOI: 10.1080/02701367.2019.1687809] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Accepted: 10/28/2019] [Indexed: 06/10/2023]
Abstract
Purpose: The purpose of the study was to investigate how teachers' pedagogical content knowledge (PCK) in the form of task adaptations differed as a function of content knowledge. Method: Participants were three elementary school teachers (two females and one male) and their students (n = 66). Functional analysis of instructional events (i.e., adaptations) between teachers and students was used to examine PCK before and after a content knowledge workshop in crawl swimming. The appropriateness of the adaptations was measured and all data were collected through live observation by trained observers. Results: All teachers increased their average number of task adaptations per lesson after the content knowledge workshop. Appropriateness of adaptations increased substantially for two teachers but decreased for one teacher. Discussion/Conclusion: Functional analysis of student-teacher interactions is a valuable tool to examine teachers' PCK. The interrelationship between student- and teacher behavior can be modified through a content knowledge workshop.
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Affiliation(s)
| | | | | | | | - J Martens
- KU Leuven
- University College Thomas More
| | - P Ward
- The Ohio State University
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15
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Fonseca G, Almeida I, Wagenberg T, Wolfs C, Freixas GV, Rinaldi I, Martens J, Bosmans G, Verhaegen F. PH-0240: An independent platform for dose calculation and log file evaluation in proton therapy. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)00264-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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17
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Coebergh van den Braak RRJ, Ten Hoorn S, Sieuwerts AM, Tuynman JB, Smid M, Wilting SM, Martens JWM, Punt CJA, Foekens JA, Medema JP, IJzermans JNM, Vermeulen L. Interconnectivity between molecular subtypes and tumor stage in colorectal cancer. BMC Cancer 2020; 20:850. [PMID: 32887573 PMCID: PMC7473811 DOI: 10.1186/s12885-020-07316-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 08/18/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND There are profound individual differences in clinical outcomes between colorectal cancers (CRCs) presenting with identical stage of disease. Molecular stratification, in conjunction with the traditional TNM staging, is a promising way to predict patient outcomes. We investigated the interconnectivity between tumor stage and tumor biology reflected by the Consensus Molecular Subtypes (CMSs) in CRC, and explored the possible value of these insights in patients with stage II colon cancer. METHODS We performed a retrospective analysis using clinical records and gene expression profiling in a meta-cohort of 1040 CRC patients. The interconnectivity of tumor biology and disease stage was assessed by investigating the association between CMSs and TNM classification. In order to validate the clinical applicability of our findings we employed a meta-cohort of 197 stage II colon cancers. RESULTS CMS4 was significantly more prevalent in advanced stages of disease (stage I 9.8% versus stage IV 38.5%, p < 0.001). The observed differential gene expression between cancer stages is at least partly explained by the biological differences as reflected by CMS subtypes. Gene signatures for stage III-IV and CMS4 were highly correlated (r = 0.77, p < 0.001). CMS4 cancers showed an increased progression rate to more advanced stages (CMS4 compared to CMS2: 1.25, 95% CI: 1.08-1.46). Patients with a CMS4 cancer had worse survival in the high-risk stage II tumors compared to the total stage II cohort (5-year DFS 41.7% versus 100.0%, p = 0.008). CONCLUSIONS Considerable interconnectivity between tumor biology and tumor stage in CRC exists. This implies that the TNM stage, in addition to the stage of progression, might also reflect distinct biological disease entities. These insights can potentially be utilized to optimize identification of high-risk stage II colon cancers.
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Affiliation(s)
- R R J Coebergh van den Braak
- Department of Surgery, Erasmus MC University Medical Center, 's Gravendijkwal 230, 3015 CE, Rotterdam, The Netherlands
| | - S Ten Hoorn
- Laboratory for Experimental Oncology and Radiobiology, Amsterdam UMC, University of Amsterdam and Cancer Center Amsterdam, Meibergdreef 9, 1105AZ, Amsterdam, The Netherlands.,Oncode Institute, Amsterdam UMC, Meibergdreef 9, 1105AZ, Amsterdam, The Netherlands
| | - A M Sieuwerts
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus MC University Medical Center, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands.,Cancer Genomics Center Netherlands, Amsterdam, The Netherlands
| | - J B Tuynman
- Department of Surgery, Amsterdam UMC, Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
| | - M Smid
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus MC University Medical Center, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands
| | - S M Wilting
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus MC University Medical Center, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands
| | - J W M Martens
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus MC University Medical Center, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands.,Cancer Genomics Center Netherlands, Amsterdam, The Netherlands
| | - C J A Punt
- Department of Medical Oncology, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105AZ, Amsterdam, The Netherlands.,Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Universiteitsweg 100, 3584 CX, Utrecht, The Netherlands
| | - J A Foekens
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus MC University Medical Center, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands
| | - J P Medema
- Laboratory for Experimental Oncology and Radiobiology, Amsterdam UMC, University of Amsterdam and Cancer Center Amsterdam, Meibergdreef 9, 1105AZ, Amsterdam, The Netherlands.,Oncode Institute, Amsterdam UMC, Meibergdreef 9, 1105AZ, Amsterdam, The Netherlands
| | - J N M IJzermans
- Department of Surgery, Erasmus MC University Medical Center, 's Gravendijkwal 230, 3015 CE, Rotterdam, The Netherlands
| | - L Vermeulen
- Laboratory for Experimental Oncology and Radiobiology, Amsterdam UMC, University of Amsterdam and Cancer Center Amsterdam, Meibergdreef 9, 1105AZ, Amsterdam, The Netherlands. .,Oncode Institute, Amsterdam UMC, Meibergdreef 9, 1105AZ, Amsterdam, The Netherlands.
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18
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Cheyne C, Russell H, Martens J, Vidula H, Gosev I. Feasibility of Using an LVAD App to Engage Patients in Recovery Post Implant Discharge. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.1204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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19
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Eslami Amirabadi H, Tuerlings M, Hollestelle A, SahebAli S, Luttge R, van Donkelaar CC, Martens JWM, den Toonder JMJ. Characterizing the invasion of different breast cancer cell lines with distinct E-cadherin status in 3D using a microfluidic system. Biomed Microdevices 2019; 21:101. [PMID: 31760501 PMCID: PMC6875428 DOI: 10.1007/s10544-019-0450-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
E-cadherin is a cell-cell adhesion protein that plays a prominent role in cancer invasion. Inactivation of E-cadherin in breast cancer can arise from gene promoter hypermethylation or genetic mutation. Depending on their E-cadherin status, breast cancer cells adopt different morphologies with distinct invasion modes. The tumor microenvironment (TME) can also affect the cell morphology and invasion mode. In this paper, we used a previously developed microfluidic system to quantify the three-dimensional invasion of breast cancer cells with different E-cadherin status, namely MCF-7, CAMA-1 and MDA-MB-231 with wild type, mutated and promoter hypermethylated E-cadherin, respectively. The cells migrated into a stable and reproducible microfibrous polycaprolactone mesh in the chip under a programmed stable chemotactic gradient. We observed that the MDA-MB-231 cells invaded the most, as single cells. MCF-7 cells collectively invaded into the matrix more than CAMA-1 cells, maintaining their E-cadherin expression. The CAMA-1 cells exhibited multicellular multifocal infiltration into the matrix. These results are consistent with what is seen in vivo in the cancer biology literature. In addition, comparison between complete serum and serum gradient conditions showed that the MDA-MB-231 cells invaded more under the serum gradient after one day, however this behavior was inverted after 3 days. The results showcase that the microfluidic system can be used to quantitatively assess the invasion behavior of cancer cells with different E-cadherin expression, for a longer period than conventional invasion models. In the future, it can be used to quantitatively investigate effects of matrix structure and cell treatments on cancer invasion.
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Affiliation(s)
- H Eslami Amirabadi
- Microsystems group, Department of Mechanical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands
- Healthy living division, TNO, Zeist, the Netherlands
- Institute for Pharmeceutical Sciences, Department of Pharmacology, Utrecht University, Utrecht, the Netherlands
| | - M Tuerlings
- Microsystems group, Department of Mechanical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands
- Orthopaedic Biomechanics group, Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands
| | - A Hollestelle
- Department of Medical oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - S SahebAli
- Microsystems group, Department of Mechanical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands
| | - R Luttge
- Microsystems group, Department of Mechanical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands
| | - C C van Donkelaar
- Orthopaedic Biomechanics group, Department of Biomedical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands
| | - J W M Martens
- Department of Medical oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - J M J den Toonder
- Microsystems group, Department of Mechanical Engineering and Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Groene Loper 15, 5612AZ, Eindhoven, the Netherlands.
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20
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Freixas GV, Unipan M, Rinaldi I, Martens J, Ares C, Bosmans G. PO-0942 Optimization of adaptive aperture margins in robustly optimized pencil beam scanning proton plans. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)31362-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Cardoso F, Bartlett JMS, Slaets L, van Deurzen CHM, van Leeuwen-Stok E, Porter P, Linderholm B, Hedenfalk I, Schröder C, Martens J, Bayani J, van Asperen C, Murray M, Hudis C, Middleton L, Vermeij J, Punie K, Fraser J, Nowaczyk M, Rubio IT, Aebi S, Kelly C, Ruddy KJ, Winer E, Nilsson C, Lago LD, Korde L, Benstead K, Bogler O, Goulioti T, Peric A, Litière S, Aalders KC, Poncet C, Tryfonidis K, Giordano SH. Characterization of male breast cancer: results of the EORTC 10085/TBCRC/BIG/NABCG International Male Breast Cancer Program. Ann Oncol 2019; 29:405-417. [PMID: 29092024 DOI: 10.1093/annonc/mdx651] [Citation(s) in RCA: 202] [Impact Index Per Article: 40.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background Male breast cancer (BC) is rare, managed by extrapolation from female BC. The International Male BC Program aims to better characterize and manage this disease. We report the results of part I, a retrospective joint analysis of cases diagnosed during a 20-year period. Methods Patients with follow-up and tumor samples, treated between 1990 and 2010, in 93 centers/9 countries. Samples were centrally analyzed in three laboratories (the United Kingdom, the Netherlands and the United States). Results Of 1822 patients enrolled, 1483 were analyzed; 63.5% were diagnosed between 2001 and 2010, 57 (5.1%) had metastatic disease (M1). Median age at diagnosis: 68.4 years. Of 1054 M0 cases, 56.2% were node-negative (N0) and 48.5% had T1 tumors; 4% had breast conserving surgery (BCS), 18% sentinel lymph-node biopsy; half received adjuvant radiotherapy; 29.8% (neo)adjuvant chemotherapy and 76.8% adjuvant endocrine therapy (ET), mostly tamoxifen (88.4%). Per central pathology, for M0 tumors: 84.8% ductal invasive carcinomas, 51.5% grade 2; 99.3% estrogen receptor (ER)-positive; 81.9% progesterone receptor (PR)-positive; 96.9% androgen receptor (AR)-positive [ER, PR or AR Allred score ≥3]; 61.1% Ki67 expression low (<14% positive cells); using immunohistochemistry (IHC) surrogates, 41.9% were Luminal-A-like, 48.6% Luminal-B-like/HER-2-negative, 8.7% HER-2-positive, 0.3% triple negative. Median follow-up: 8.2 years (0.0-23.8) for all, 7.2 years (0.0-23.2), for M0, 2.6 years (0.0-12.7) for M1 patients. A significant improvement over time was observed in age-corrected BC mortality. BC-specific-mortality was higher for men younger than 50 years. Better overall (OS) and recurrence-free survival (RFS) were observed for highly ER+ (P = 0.001), highly PR+ (P = 0.002), highly AR+ disease (P = 0.019). There was no association between OS/RFS and HER-2 status, Ki67, IHC subtypes nor grade. Conclusions Male BC is usually ER, PR and AR-positive, Luminal B-like/HER2-negative. Of note, 56% patients had T1 tumors but only 4% had BCS. ER was highly positive in >90% of cases but only 77% received adjuvant ET. ER, PR and AR were associated with OS and RFS, whereas grade, Ki67 and IHC surrogates were not. Significant improvement in survival over time was observed.
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Affiliation(s)
- F Cardoso
- Breast Unit, Champalimaud Clinical Center/Champalimaud Foundation, Lisbon, Portugal; European Organisation for Research and Treatment of Cancer-Breast Cancer Group, Toronto, Canada.
| | - J M S Bartlett
- Transformative Pathology, Ontario Institute for Cancer Research, Toronto, Canada; University of Edinburgh, Edinburgh, UK
| | - L Slaets
- European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium
| | - C H M van Deurzen
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands; Dutch Breast Cancer Research Group (BOOG), The Netherlands
| | | | - P Porter
- Divisions of Human Biology and Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, USA; Department of Pathology, University of Washington, Seattle, USA
| | - B Linderholm
- Department of Oncology, Sahlgrenska University Hospital, Gothenburg, Sweden; Swedish Association of Breast Oncologists (SABO), Lund University, Lund, Sweden
| | - I Hedenfalk
- Division of Oncology and Pathology, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - C Schröder
- Dutch Breast Cancer Research Group (BOOG), The Netherlands; Department of Medical Oncology, University Medical Center Groningen, Groningen, The Netherlands
| | - J Martens
- Dutch Breast Cancer Research Group (BOOG), The Netherlands; Breast Cancer Genomics and Proteomics Lab, Erasmus Medical Center Rotterdam, Rotterdam, The Netherlands
| | - J Bayani
- Transformative Pathology, Ontario Institute for Cancer Research, Toronto, Canada
| | - C van Asperen
- Dutch Breast Cancer Research Group (BOOG), The Netherlands; Department of Clinical Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - M Murray
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York
| | - C Hudis
- Breast Medicine Service, Memorial Sloan Kettering Cancer Center, New York; Weill Cornell Medical College, New York
| | - L Middleton
- Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, USA
| | - J Vermeij
- Department of Medical Oncology, Hospital Network Antwerp (ZNA), Antwerp, Belgium
| | - K Punie
- Department of General Medical Oncology, UZ Leuven, Leuven, Belgium
| | - J Fraser
- Beatson West of Scotland Cancer Centre, Glasgow, UK
| | - M Nowaczyk
- Specialist Hospital, St. Wojciech, Gdansk, Poland
| | - I T Rubio
- Breast Surgical Unit, Hospital Universitario Vall d'Hebron, Barcelona, Spain
| | - S Aebi
- Swiss Group for Clinical Cancer Research (SAKK), Switzerland
| | - C Kelly
- All Ireland Cooperative Oncology Research Group (ICORG), Ireland
| | - K J Ruddy
- Department of Oncology, Mayo Clinic, Rochester, USA
| | - E Winer
- Dana-Farber Cancer Institute, Boston, USA
| | - C Nilsson
- Department of Oncology, Västmanlands Hospital, Västerås, Sweden; Swedish Association of Breast Oncologists (SABO), Sweden
| | - L Dal Lago
- Department of Medical Oncology, Jules Bordet Institute, Brussels, Belgium
| | - L Korde
- University of Washington, Seattle, USA
| | - K Benstead
- Department of Oncology, Cheltenham General Hospital, UK
| | - O Bogler
- Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, USA
| | - T Goulioti
- Breast International Group, Brussels, Belgium
| | - A Peric
- European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium
| | - S Litière
- European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium
| | - K C Aalders
- European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium
| | - C Poncet
- European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium
| | - K Tryfonidis
- European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium
| | - S H Giordano
- Departments of Health Services Research and Breast Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, USA
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22
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Bayani J, Poncet C, Yao CQ, Crozier C, Anouk N, Piper T, Cunningham C, Sobol M, Aebi S, Benstead K, Bogler O, Dal Lago L, Fraser J, Hilbers FH, Hedenfalk I, Korde L, Linderholm B, Martens J, Middleton L, Murray M, Kelly C, Nilsson C, Nowaczyk M, Peeters S, Peric A, Porter P, Schröder C, Rubio IT, Ruddy KJ, van Asperen C, Van Den Weyngaert D, van Deurzen C, van Leeuwen-Stok E, Vermeij J, Winer E, Boutros PC, Giordano SH, Cardoso F, Bartlett JM. Abstract P6-19-01: Evaluation of multiple transcriptomic gene risk signatures in male breast cancer. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p6-19-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Introduction: Male breast cancer (MBC) is a rare disease accounting for less than 1% of all breast cancers (BC) and 1% of all cancers in males. The clinical management is largely extrapolated from female BC. Several multigene assays are increasingly used to guide clinical treatment decisions in female BC, however there is little data on the utility of these tests in MBC.
Methods: Here we present the gene expression results of 380 M0, ER+ve, HER2-ve MBCs enrolled in the Part 1 (retrospective joint analysis) International Male Breast Cancer Program of 1483 patients diagnosed between 1990-2010 (Cardoso et al. Annals of Oncology, 2018). Using a custom Nanostring™ panel comprised of the genes from the commercial risk tests Prosigna®, OncotypeDx® and Mammaprint®, risk scores and intrinsic subtyping data were generated to recapitulate the commercial tests as described by Bayani and Yao et al (npjBreast Cancer, 2017). Survival outcomes by risk classification were analyzed using Cox models with time-dependent covariates when the proportional hazard assumption was not met and adjusted for clinical and treatment variables.
Results: Prosigna-like risk scores identified 99 (26.1%) as low-risk, 159 (41.8%) as intermediate-risk, and 122 (32.1%) as high-risk. Using the TAILORx cut-off (25) for OncotypeDx-like risk of recurrence scoring, 158 (41.6%) were identified as low-risk, while 222 (58.4%) were identified as high-risk. MammaPrint-like results identified 175 (46.1%) as low-risk and 205 (53.9%) as high-risk. Overall, patients classified as high-risk had higher grade, more nodal involvement, larger tumors, and more frequently treated with chemotherapy than low-risk patients. Survival analyses demonstrated clear clinical utility for each test, showing patients at high-risk with poor relapse-free survival (RFS) as compared to patients classified as low-risk: Prosigna-like RFS at 3-years (HR=2.20, 95% CI, 1.28-3.80); Oncotype-like RFS at 3-years (HR=1.92, 95% CI, 1.17-3.17); MammaPrint-like RFS (HR=1.51, 95% CI, 1.00-2.27); with similar findings for distant relapse-free survival (DRFS) and overall survival (OS). Across outcomes and all gene signatures, patients with concordant Low/Low risk classification had better prognosis than those with concordant High/High risk classification. PAM50 intrinsic subtyping identified 147 (38.7%) as Luminal A, 57 (15.0%) as Luminal B, 80 (21.1%) as Her2-enriched and 96 (25.3%) as Basal-like; showing overall 34.5% concordance to clinic-pathological subtyping by central pathology (95% CI, 29.7%-39.5%). Comparison between the tests in the MBC cohort and a comparable cohort of female BC from the Tamoxifen Exemestane Adjuvant Multinational (TEAM) trial processed in the same way will be presented.
Conclusion: Common transcriptomic assays designed to assess residual risk, validated in female BC, provide similar information in male BC patients. Not surprisingly, disagreement between test results at the individual patient level was observed. To our knowledge, this is the largest study of MBC assayed to generate risk scores of the current commercial BC tests to demonstrate their clinical utility and their differences and similarity to female BC.
This work has been funded by the Breast Cancer Research Foundation (BCRF).
Citation Format: Bayani J, Poncet C, Yao CQ, Crozier C, Anouk N, Piper T, Cunningham C, Sobol M, Aebi S, Benstead K, Bogler O, Dal Lago L, Fraser J, Hilbers FH, Hedenfalk I, Korde L, Linderholm B, Martens J, Middleton L, Murray M, Kelly C, Nilsson C, Nowaczyk M, Peeters S, Peric A, Porter P, Schröder C, Rubio IT, Ruddy KJ, van Asperen C, Van Den Weyngaert D, van Deurzen C, van Leeuwen-Stok E, Vermeij J, Winer E, Boutros PC, Giordano SH, Cardoso F, Bartlett JM. Evaluation of multiple transcriptomic gene risk signatures in male breast cancer [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P6-19-01.
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Affiliation(s)
- J Bayani
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - C Poncet
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - CQ Yao
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - C Crozier
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - N Anouk
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - T Piper
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - C Cunningham
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - M Sobol
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - S Aebi
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - K Benstead
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - O Bogler
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - L Dal Lago
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - J Fraser
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - FH Hilbers
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - I Hedenfalk
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - L Korde
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - B Linderholm
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - J Martens
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - L Middleton
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - M Murray
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - C Kelly
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - C Nilsson
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - M Nowaczyk
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - S Peeters
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - A Peric
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - P Porter
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - C Schröder
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - IT Rubio
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - KJ Ruddy
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - C van Asperen
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - D Van Den Weyngaert
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - C van Deurzen
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - E van Leeuwen-Stok
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - J Vermeij
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - E Winer
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - PC Boutros
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - SH Giordano
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - F Cardoso
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
| | - JM Bartlett
- Ontario Institute for Cancer Research, Toronto, ON, Canada; European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium; University of Edinburgh, Edinburgh, United Kingdom; Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland; Cheltenham General Hospital, Gloucestershire, United Kingdom; Global Academic Programs, University of Texas MD Anderson Cancer Center, Houston, TX; Jules Bordet Institute, Brussels, Belgium; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; Breast International Group, Brussels, Belgium; Lund University, Lund, Sweden; University of Washington, Seattle, WA; Sahlgrenska University Hospital, Gothenburg, Sweden; Medical Oncology, Erasmus Medical Center Rotterdam, Rotterdam, Netherlands; University of Texas MD Anderson Cancer Center, Houston, TX; Memorial Sloan Kettering Cancer Center, New York, NY; All Ireland Cooperative Oncology Research Group (ICORG), Dublin, United Kingdom; Västmanlands Hospital, Västerås, Sweden; Speci
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Affiliation(s)
- M. Reichel
- Department of Chemistry, Ludwig-Maximilian University, Munich, Germany
| | - J. Martens
- Department of Chemistry, Ludwig-Maximilian University, Munich, Germany
| | - C. C. Unger
- Department of Chemistry, Ludwig-Maximilian University, Munich, Germany
| | - K. Karaghiosoff
- Department of Chemistry, Ludwig-Maximilian University, Munich, Germany
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24
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Langenmair M, Martens J, Gierthmuehlen M, Plachta DTT, Stieglitz T. Low temperature approach for high density electrical feedthroughs for neural implants using maskless fabrication techniques. Annu Int Conf IEEE Eng Med Biol Soc 2018; 2018:2933-2936. [PMID: 30441015 DOI: 10.1109/embc.2018.8512922] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Implantable electronic packages for neural implants utilize reliable electrical feedthroughs that connect the inside of a sealed capsule to the components that are exposed to the surrounding body tissue. With the ongoing miniaturization of implants requiring ever higher integration densities of such feedthroughs new technologies have to be investigated. The presented work investigates the sealing of vertical feedthroughs in aluminum-oxide-substrates with gold stud-bumps. The technology enables integration densities of up to 1600/cm 2 while delivering suitable water leak rates for realistic implantation durations of miniaturized packages (feedthrough-count $>50$, package-volume $<2$ cm $^{3})$ of more than 50 years. All manufacturing steps require temperatures below $420 ^{\circ}\mathrm {C}$ and are suitable for maskless rapid prototyping.
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25
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Uhr K, Sieuwerts AM, de Weerd V, Smid M, Hammerl D, Foekens JA, Martens JWM. Association of microRNA-7 and its binding partner CDR1-AS with the prognosis and prediction of 1 st-line tamoxifen therapy in breast cancer. Sci Rep 2018; 8:9657. [PMID: 29941867 PMCID: PMC6018428 DOI: 10.1038/s41598-018-27987-w] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 06/12/2018] [Indexed: 12/12/2022] Open
Abstract
The large number of non-coding RNAs (ncRNAs) and their breadth of functionalities has fuelled many studies on their roles in cancer. We previously linked four microRNAs to breast cancer prognosis. One of these microRNAs, hsa-miR-7, was found to be regulated by another type of ncRNA, the circular non-coding RNA (circRNA) CDR1-AS, which contains multiple hsa-miR-7 binding sites. Based on this finding, we studied the potential clinical value of this circRNA on breast cancer prognosis in a cohort based on a cohort that was previously analysed for hsa-miR-7 and in an adjuvant hormone-naïve cohort for 1st-line tamoxifen treatment outcomes, in which we also analysed hsa-miR-7. A negative correlation was observed between hsa-miR-7 and CDR1-AS in both cohorts. Despite associations with various clinical metrics (e.g., tumour grade, tumour size, and relapse location), CDR1-AS was neither prognostic nor predictive of relevant outcomes in our cohorts. However, we did observe stromal CDR1-AS expression, suggesting a possible cell-type specific interaction. Next to the known association of hsa-miR-7 expression with poor prognosis in primary breast cancer, we found that high hsa-miR-7 expression was predictive of an adverse response to tamoxifen therapy and poor progression-free and post-relapse overall survival in patients with recurrent disease.
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Affiliation(s)
- K Uhr
- Erasmus MC Cancer Institute, Erasmus University Medical Centre, Department of Medical Oncology and Cancer Genomics, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands
| | - A M Sieuwerts
- Erasmus MC Cancer Institute, Erasmus University Medical Centre, Department of Medical Oncology and Cancer Genomics, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands.
| | - V de Weerd
- Erasmus MC Cancer Institute, Erasmus University Medical Centre, Department of Medical Oncology and Cancer Genomics, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands
| | - M Smid
- Erasmus MC Cancer Institute, Erasmus University Medical Centre, Department of Medical Oncology and Cancer Genomics, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands
| | - D Hammerl
- Erasmus MC Cancer Institute, Erasmus University Medical Centre, Department of Medical Oncology and Cancer Genomics, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands
| | - J A Foekens
- Erasmus MC Cancer Institute, Erasmus University Medical Centre, Department of Medical Oncology and Cancer Genomics, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands
| | - J W M Martens
- Erasmus MC Cancer Institute, Erasmus University Medical Centre, Department of Medical Oncology and Cancer Genomics, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands
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26
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Paepke S, Wilhelm OG, Schmitt M, Noske A, Schricker G, Napieralski R, Vetter M, Thomssen C, Perkins J, Lauber J, Ulm K, Martens JWM, Weichert W, Kiechle M. PITX2 DNA-Methylierung: Erster klinisch validierter prädiktiver Marker zur Vorhersage des Ansprechens auf anthrazyklin-basierte Chemotherapie bei Brustkrebspatientinnen mit hohem Rezidivrisiko. Geburtshilfe Frauenheilkd 2018. [DOI: 10.1055/s-0038-1655534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Affiliation(s)
- S Paepke
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - OG Wilhelm
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - M Schmitt
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - A Noske
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - G Schricker
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - R Napieralski
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - M Vetter
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - C Thomssen
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - J Perkins
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - J Lauber
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - K Ulm
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - JWM Martens
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - W Weichert
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
| | - M Kiechle
- Klinik und Poliklinik für Frauenheilkunde/Institut für Pathologie, Klinikum rechts der Isar, Technische Universität München, Comprehensive Cancer Center; Qiagen GmbH, Hilden und Therawis Diagnostics GmbH München, Deutschland
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27
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Meijer T, Verkaik N, Sieuwerts A, Deurzen CV, Dubbink H, Kanaar R, Martens J, Jager A, Gent DV. PO-462 Functional ex vivo assay reveals homologous recombination deficiency in breast cancer beyond BRCA gene defects. ESMO Open 2018. [DOI: 10.1136/esmoopen-2018-eacr25.969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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28
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Weerts MJA, Timmermans EC, van de Stolpe A, Vossen RHAM, Anvar SY, Foekens JA, Sleijfer S, Martens JWM. Tumor-Specific Mitochondrial DNA Variants Are Rarely Detected in Cell-Free DNA. Neoplasia 2018; 20:687-696. [PMID: 29842994 PMCID: PMC6030393 DOI: 10.1016/j.neo.2018.05.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 05/07/2018] [Accepted: 05/08/2018] [Indexed: 12/14/2022] Open
Abstract
The use of blood-circulating cell-free DNA (cfDNA) as a “liquid biopsy” in oncology is being explored for its potential as a cancer biomarker. Mitochondria contain their own circular genomic entity (mitochondrial DNA, mtDNA), up to even thousands of copies per cell. The mutation rate of mtDNA is several orders of magnitude higher than that of the nuclear DNA. Tumor-specific variants have been identified in tumors along the entire mtDNA, and their number varies among and within tumors. The high mtDNA copy number per cell and the high mtDNA mutation rate make it worthwhile to explore the potential of tumor-specific cf-mtDNA variants as cancer marker in the blood of cancer patients. We used single-molecule real-time (SMRT) sequencing to profile the entire mtDNA of 19 tissue specimens (primary tumor and/or metastatic sites, and tumor-adjacent normal tissue) and 9 cfDNA samples, originating from 8 cancer patients (5 breast, 3 colon). For each patient, tumor-specific mtDNA variants were detected and traced in cfDNA by SMRT sequencing and/or digital PCR to explore their feasibility as cancer biomarker. As a reference, we measured other blood-circulating biomarkers for these patients, including driver mutations in nuclear-encoded cfDNA and cancer-antigen levels or circulating tumor cells. Four of the 24 (17%) tumor-specific mtDNA variants were detected in cfDNA, however at much lower allele frequencies compared to mutations in nuclear-encoded driver genes in the same samples. Also, extensive heterogeneity was observed among the heteroplasmic mtDNA variants present in an individual. We conclude that there is limited value in tracing tumor-specific mtDNA variants in blood-circulating cfDNA with the current methods available.
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Affiliation(s)
- M J A Weerts
- Department of Medical Oncology and Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands.
| | - E C Timmermans
- Philips Research Laboratories, High Tech Campus 11, Eindhoven, The Netherlands
| | - A van de Stolpe
- Philips Research Laboratories, High Tech Campus 11, Eindhoven, The Netherlands
| | - R H A M Vossen
- Leiden Genome Technology Center (LGTC), Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - S Y Anvar
- Leiden Genome Technology Center (LGTC), Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands; Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands; Department of Clinical Pharmacy and Toxicology, Leiden University Medical Center, Leiden, The Netherlands
| | - J A Foekens
- Department of Medical Oncology and Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - S Sleijfer
- Department of Medical Oncology and Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - J W M Martens
- Department of Medical Oncology and Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
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29
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Fahy A, Eder SD, Barr M, Martens J, Myles TA, Dastoor PC. Image formation in the scanning helium microscope. Ultramicroscopy 2018; 192:7-13. [PMID: 29800934 DOI: 10.1016/j.ultramic.2018.05.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 04/27/2018] [Accepted: 05/09/2018] [Indexed: 11/24/2022]
Abstract
The scanning helium microscope (SHeM) is a new addition to the array of available microscopies, particularly for delicate materials that may suffer damage under techniques utilising light or charged particles. As with all other microscopies, the specifics of image formation within the instrument are required to gain a full understanding of the produced micrographs. We present work detailing the basics of the subject for the SHeM, including the specific nature of the projection distortions that arise due to the scattering geometry. Extension of these concepts allowed for an iterative ray tracing Monte Carlo model replicating diffuse scattering from a sample surface to be constructed. Comparisons between experimental data and simulations yielded a minimum resolvable step height of (67 ± 5) µm and a minimum resolvable planar angle of (4.3 ± 0.3)° for the instrument in question.
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Affiliation(s)
- A Fahy
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia.
| | - S D Eder
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia; Department of Physics and Technology, University of Bergen, Allégaten 55,5007 Bergen, Norway
| | - M Barr
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - J Martens
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - T A Myles
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - P C Dastoor
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
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30
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Kempkes LJ, Boles GC, Martens J, Berden G, Armentrout PB, Oomens J. Deamidation of Protonated Asparagine-Valine Investigated by a Combined Spectroscopic, Guided Ion Beam, and Theoretical Study. J Phys Chem A 2018; 122:2424-2436. [PMID: 29436829 PMCID: PMC5846081 DOI: 10.1021/acs.jpca.7b12348] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 02/12/2018] [Indexed: 11/28/2022]
Abstract
Peptide deamidation of asparaginyl residues is a spontaneous post-translational modification that is believed to play a role in aging and several diseases. It is also a well-known small-molecule loss channel in the MS/MS spectra of protonated peptides. Here we investigate the deamidation reaction, as well as other decomposition pathways, of the protonated dipeptide asparagine-valine ([AsnVal + H]+) upon low-energy activation in a mass spectrometer. Using a combination of infrared ion spectroscopy, guided ion beam tandem mass spectrometry, and theoretical calculations, we have been able to identify product ion structures and determine the energetics and mechanisms for decomposition. Deamidation proceeds via ammonia loss from the asparagine side chain, initiated by a nucleophilic attack of the peptide bond oxygen on the γ-carbon of the Asn side chain. This leads to the formation of a furanone ring containing product ion characterized by a threshold energy of 129 ± 5 kJ/mol (15 kJ/mol higher in energy than dehydration of [AsnVal + H]+, the lowest energy dissociation channel available to the system). Competing formation of a succinimide ring containing product, as has been observed for protonated asparagine-glycine ([AsnGly + H]+) and asparagine-alanine ([AsnAla + H]+), was not observed here. Quantum-chemical modeling of the reaction pathways confirms these subtle differences in dissociation behavior. Measured reaction thresholds are in agreement with predicted theoretical reaction energies computed at several levels of theory.
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Affiliation(s)
- L. J.
M. Kempkes
- FELIX
Laboratory, Institute for Molecules and Materials, Radboud University, Toernooiveld 7c, 6525 ED, Nijmegen, The Netherlands
| | - G. C. Boles
- Department
of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - J. Martens
- FELIX
Laboratory, Institute for Molecules and Materials, Radboud University, Toernooiveld 7c, 6525 ED, Nijmegen, The Netherlands
| | - G. Berden
- FELIX
Laboratory, Institute for Molecules and Materials, Radboud University, Toernooiveld 7c, 6525 ED, Nijmegen, The Netherlands
| | - P. B. Armentrout
- Department
of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - J. Oomens
- FELIX
Laboratory, Institute for Molecules and Materials, Radboud University, Toernooiveld 7c, 6525 ED, Nijmegen, The Netherlands
- Van‘t
Hoff Institute for Molecular Sciences, University
of Amsterdam, Science
Park 904, 1098 XH Amsterdam, The Netherlands
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31
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Martens JWM, Sieuwerts A, Ponchet C, Smid M, de Weerd V, Slaets L, Piper T, van Deurzen CHM, Schroder CP, Stangle C, Kloosterman W, van Leeuwen-Stok E, Nilsson C, Vermeij J, Peeters S, Goulioti T, Nowaczyk M, Aebi S, Rubio IT, Kelly C, Bayani J, Porter P, Murray M, Hudis C, Middleton L, Korde L, Ruddy K, Winer E, Bogler O, van den Weyngaert D, dal Lago L, Fraser J, Benstead K, van Asperen C, Linderholm B, Hedenfalk I, Tryfonidis K, Giordano S, Bartlett J, Cardoso F. Abstract PD7-12: Molecular subtyping of male breast cancer by the International male breast cancer program (IMBC): EORTC 10085/TBCRC 0-29/BIG 2-07/NABCG/BOOG 2009-04. Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-pd7-12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Introduction. Male breast cancer (male BC) is a rare disease for which disease management is extrapolated from females. IMBC, an international consortium, which previously reported on clinico-pathological aspects, now reports on molecular subgroups revealed by RNA sequencing and their relation to patient outcome.
Methods. Tumor samples from the retrospective MALE BC registry diagnosed between 1990-2010 and with pathology and outcome data (relapse-free- (RFS) and overall survival (OS)) were included (n=699). To allow the discovery of prognostic features, we selected, stratified for known risk factors (TN stage, grade, age at diagnose and adjuvant endocrine treatment), from the cohort 152 cases with poor (RFS <= 4 yrs) and good outcome (RFS > 7yrs) evenly distributed. Here, we report RNA sequencing results of the first 73 cases, 38 with poor and 35 with good outcome. RNA sequencing reads were used to generate gene expression values and to report transcripts carrying driver mutations. Unsupervised clustering identified subgroups and within subgroups differentially expressed genes were identified. The reported prognostic male BC subgroups M1 and M2 (Johansson BCR 2012(14):R31) were also annotated. All identified subgroups were related to outcome using logistic regression (p-value using Wald test).
Results. Unsupervised clustering revealed 2 main subgroups of which group 1 was enriched for expression of ER target genes, WNT3 and genes from amplicons known for female BC, e.g. 19p13 (CCNE1), 8q24 (MYC), and 11q13 (CCND1). The biology of the smaller group 2 was less defined but TGFβ2 expression was high as were various kallikreins (KLK) including interestingly KLK3 (prostate specific antigen). Other known amplified regions [(8p11 (FGFR1), 20q13 (ZNF217) and 12q15 (MDM2)] and mutated transcripts [PIK3CA (H1047R/L/Q; E542K, E545K, N345K; 16% of cases), TP53 and SF3B1 (K700E) (2% of cases)] were identified. Profound tumor infiltrate gene expression was present in 5% of cases and one third of cases expressed proliferation markers. Except for TP53, none of these latter characteristics were unevenly distributed among the 2 main subgroups. ER and AR were highly correlated, particularly in group 1. The two main groups could be further subdivided. Group 1 comprised 3 subgroups of which subgroup 1a expressed TFF1/3 and NAT1, well-known ER targets, while subgroups 1b and 1c expressed other ER targets,respectively BEX1 and PITX1. HOXC cluster expression differentiated subgroup 1b from 1a and 1c. None of these intrinsic subgroups were, however, related to RFS. The previously reported M2 subgroup, which largely segregated with subclusters 1a and 1b, was associated with a better RFS than the M1 subgroup (OR=2.9; 95%CI 1.1-7.5; p-value=0.03).
Conclusions. 1) Intrinsic subtypes of male BC were revealed and their subgrouping is defined by ER associated subsets of genes. 2) The association of the reported M2 subgroup of male BC with longer RFS was validated; 3) Currently identified biological characteristics of male BC may improve future treatments. The full report on 152 cases including a comparison to female BC will be presented at the conference.
This research was funded by Breast Cancer Research Foundation
Citation Format: Martens JWM, Sieuwerts A, Ponchet C, Smid M, de Weerd V, Slaets L, Piper T, van Deurzen CHM, Schroder CP, Stangle C, Kloosterman W, van Leeuwen-Stok E, Nilsson C, Vermeij J, Peeters S, Goulioti T, Nowaczyk M, Aebi S, Rubio IT, Kelly C, Bayani J, Porter P, Murray M, Hudis C, Middleton L, Korde L, Ruddy K, Winer E, Bogler O, van den Weyngaert D, dal Lago L, Fraser J, Benstead K, van Asperen C, Linderholm B, Hedenfalk I, Tryfonidis K, Giordano S, Bartlett J, Cardoso F. Molecular subtyping of male breast cancer by the International male breast cancer program (IMBC): EORTC 10085/TBCRC 0-29/BIG 2-07/NABCG/BOOG 2009-04 [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr PD7-12.
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Affiliation(s)
- JWM Martens
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - A Sieuwerts
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - C Ponchet
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - M Smid
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - V de Weerd
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - L Slaets
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - T Piper
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - CHM van Deurzen
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - CP Schroder
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - C Stangle
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - W Kloosterman
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - E van Leeuwen-Stok
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - C Nilsson
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - J Vermeij
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - S Peeters
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - T Goulioti
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - M Nowaczyk
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - S Aebi
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - IT Rubio
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - C Kelly
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - J Bayani
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - P Porter
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - M Murray
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - C Hudis
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - L Middleton
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - L Korde
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - K Ruddy
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - E Winer
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - O Bogler
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - D van den Weyngaert
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - L dal Lago
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - J Fraser
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - K Benstead
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - C van Asperen
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - B Linderholm
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - I Hedenfalk
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - K Tryfonidis
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - S Giordano
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - J Bartlett
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
| | - F Cardoso
- Erasmus Medical Center, Rotterdam, ZH, Netherlands; European Organization for Research and Treatment of Cancer, Brussels, Belgium; Ontario Institute for Cancer Research, Toronto, Canada; Erasmus Medical Center, Rotterdam, Netherlands; University Medical Center, Groningen, Netherlands; University Medical Center, Utrecht, Netherlands; Dutch Breast Cancer Research Group (BOOG), Netherlands; Västmanlands Hospital, Vateras, Sweden; ZNA Jan Palfijn, Belgium; UZ Leuven, Leuven, Belgium; Breast International Group, Brussels, Belgium; Specialist Hospital. St. Wojciech, Gdansk, Poland; Swiss Group for Clinical Cancer Research, Switzerland; Hospital Universitario Vall d´Hebron, Barcelona, Spain; All Ireland Cooperative Oncology Research Group, Ireland; University of Washington, Seattle; Memorial Sloan Kettering Cancer Center, New York; Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York; University of Texas MD Anderson Cancer Center, Houston; Mayo Clinic, Rochester; Dana-Farber Cancer Ins
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Giordano SH, Schröder CP, Poncet C, van Leeuwen-Stok E, Linderholm B, Abreu MH, Rubio I, Van Poznak C, Morganstern D, Cameron D, Vleugel MM, Smilde TJ, Bozovic-Spasojevic I, Korde L, Russell NS, den Hoed IDM, Honkoop AH, van der Velden AWG, van 't Riet M, Dijkstra N, Bogler O, Goulioti T, Hilsenbeck S, Ruddy KJ, Wolff A, van Deurzen CHM, Martens J, Bartlett JMS, Aalders K, Tryfonidis K, Cardoso F. Abstract P5-23-01: Clinical and biological characterization of male breast cancer (BC) EORTC 10085/TBCRC 029/BOOG 2013-02/BIG 2-07: Baseline results from the prospective registry. Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-p5-23-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
BACKGROUND: Through the International Male Breast Cancer Program, a prospective registry for male BC was created with the goals of evaluating 1) the clinical and biological features of this disease and 2) assessing feasibility of a prospective therapeutic clinical trial.
METHODS: All men, with any stage histologically proven invasive breast cancer, age 3 18 years, and newly presenting at the participating institutions (within 3 months prior) were eligible. Patients were enrolled for 30 months after activation of the first center, through February 2017. Per the study design, if <100 men enrolled, the study would be considered a failure and therapeutic trials would not be pursued through this network. Epidemiologic data, staging, pathologic features, and BRCA status were collected. Treatment and outcome data collection is ongoing. Optional collection of FFPE tumor samples, blood, and QOL were performed in the US, the Netherlands, and Latin America. Clinical database lock for this report was May 30, 2017. We currently report patient and disease characteristics and will update with patterns of treatment for the presentation. Outcomes and biological samples will be analyzed in the future.
RESULTS: 557 patients were enrolled: 75% in Europe, 20% in United States, 5% in other countries. 6.3% of patients had missing forms. Median age was 67 years (range 26-92). 93% were diagnosed 2010-2017. Among patients with complete data, 79% presented with a breast mass. 88% were M0 and 12% M1. Among M0 patients: 47%, 39%, 2%, and 11% had T1, T2, T3, and T4 disease respectively; 52% were N0. Overall, 98% had ER+ disease and 11% had HER2+ cancer. 14% had grade 1, 56% had grade 2, and 30% had grade 3 tumors. Among 112 men who underwent BRCA1 testing, 1 was positive. Among 118 men who had BRCA2 testing, 18 (15%) were positive. 21% of men had prior or concurrent malignancies, with the following most common sites: prostate, non-melanoma skin, colorectal, and melanoma. The prevalence of previously identified possible risk factors for male breast cancer were: overweight/obesity (72%), former/current smoker (51%), current alcohol 31 drink daily (41%), family history of breast cancer (35%), gynecomastia (16%), history radiation exposure (8%), use of anti-androgens (1%), and use of estrogens (1%).
CONCLUSION: Through an international collaborative effort, we were able to prospectively accrue 557 patients to a male breast cancer registry. These results demonstrate feasibility of pursuing a therapeutic clinical trial in men with breast cancer. In addition, this study shows the relatively low uptake of BRCA testing, high rates of concurrent/prior malignancy, and the rates of potentially modifiable risk factors in this patient population.
Funding from Breast Cancer Research Foundation, Susan G. Komen, Dutch Pink Ribbon Foundation, Swedish Breast Cancer Association (BRO) and EBCC Council.
Citation Format: Giordano SH, Schröder CP, Poncet C, van Leeuwen-Stok E, Linderholm B, Abreu MH, Rubio I, Van Poznak C, Morganstern D, Cameron D, Vleugel MM, Smilde TJ, Bozovic-Spasojevic I, Korde L, Russell NS, den Hoed IDM, Honkoop AH, van der Velden AWG, van 't Riet M, Dijkstra N, Bogler O, Goulioti T, Hilsenbeck S, Ruddy KJ, Wolff A, van Deurzen CHM, Martens J, Bartlett JMS, Aalders K, Tryfonidis K, Cardoso F. Clinical and biological characterization of male breast cancer (BC) EORTC 10085/TBCRC 029/BOOG 2013-02/BIG 2-07: Baseline results from the prospective registry [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr P5-23-01.
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Affiliation(s)
- SH Giordano
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - CP Schröder
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - C Poncet
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - E van Leeuwen-Stok
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - B Linderholm
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - MH Abreu
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - I Rubio
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - C Van Poznak
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - D Morganstern
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - D Cameron
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - MM Vleugel
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - TJ Smilde
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - I Bozovic-Spasojevic
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - L Korde
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - NS Russell
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - IDM den Hoed
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - AH Honkoop
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - AWG van der Velden
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - M van 't Riet
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - N Dijkstra
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - O Bogler
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - T Goulioti
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - S Hilsenbeck
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - KJ Ruddy
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - A Wolff
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - CHM van Deurzen
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - J Martens
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - JMS Bartlett
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - K Aalders
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - K Tryfonidis
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
| | - F Cardoso
- The University of Texas MD Anderson Cancer Center, Houston, TX; University Medical Center Groningen, Groningen, Netherlands; EORTC HQ, Brussel, Belgium; BOOG Study Center/Dutch Breast Cancer Research Group, Amsterdam, Netherlands; Sahlgrenska Academy and University Hospital, Gothenburg, Sweden; Portuguese Institute of Oncology of Porto, Porto, Portugal; Hosital General Vall D'Hebron, Barcelona, Spain; University of Michigan Health System, Ann Arbor, MI; Dana Farber Cancer Institute, Boston, MA; University of Edinburgh Cancer Research Centre, Western General Hospital, Edinburgh, United Kingdom; Esperanz - loc. Waterland, Netherlands; Jeroen Bosch Hospital, Den Bosch, Netherlands; Institute for Oncology and Radiology of Serbia, National Cancer Research Centre, Belgrade, Serbia; Seattle Cancer Center Alliance, Seattle; The Netherlands Cancer Institute Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands; Elisabeth-TweeSteden Hospital, Tilburg, Netherlands; Isala Hospital, Zwolle, Netherlands; Martini Hospita
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Weerts MJA, Timmermans EC, Vossen RHAM, van Strijp D, Van den Hout-van Vroonhoven MCGN, van IJcken WFJ, van der Zaag PJ, Anvar SY, Sleijfer S, Martens JWM. Sensitive detection of mitochondrial DNA variants for analysis of mitochondrial DNA-enriched extracts from frozen tumor tissue. Sci Rep 2018; 8:2261. [PMID: 29396409 PMCID: PMC5797170 DOI: 10.1038/s41598-018-20623-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 01/22/2018] [Indexed: 11/25/2022] Open
Abstract
Large variation exists in mitochondrial DNA (mtDNA) not only between but also within individuals. Also in human cancer, tumor-specific mtDNA variation exists. In this work, we describe the comparison of four methods to extract mtDNA as pure as possible from frozen tumor tissue. Also, three state-of-the-art methods for sensitive detection of mtDNA variants were evaluated. The main aim was to develop a procedure to detect low-frequent single-nucleotide mtDNA-specific variants in frozen tumor tissue. We show that of the methods evaluated, DNA extracted from cytosol fractions following exonuclease treatment results in highest mtDNA yield and purity from frozen tumor tissue (270-fold mtDNA enrichment). Next, we demonstrate the sensitivity of detection of low-frequent single-nucleotide mtDNA variants (≤1% allele frequency) in breast cancer cell lines MDA-MB-231 and MCF-7 by single-molecule real-time (SMRT) sequencing, UltraSEEK chemistry based mass spectrometry, and digital PCR. We also show de novo detection and allelic phasing of variants by SMRT sequencing. We conclude that our sensitive procedure to detect low-frequent single-nucleotide mtDNA variants from frozen tumor tissue is based on extraction of DNA from cytosol fractions followed by exonuclease treatment to obtain high mtDNA purity, and subsequent SMRT sequencing for (de novo) detection and allelic phasing of variants.
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Affiliation(s)
- M J A Weerts
- Department of Medical Oncology and Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Rotterdam, The Netherlands.
| | - E C Timmermans
- Philips Research Laboratories, High Tech Campus 11, 5656 AE, Eindhoven, The Netherlands
| | - R H A M Vossen
- Leiden Genome Technology Center (LGTC), Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - D van Strijp
- Philips Research Laboratories, High Tech Campus 11, 5656 AE, Eindhoven, The Netherlands
| | | | | | - P J van der Zaag
- Philips Research Laboratories, High Tech Campus 11, 5656 AE, Eindhoven, The Netherlands
| | - S Y Anvar
- Leiden Genome Technology Center (LGTC), Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.,Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.,Department of Clinical Pharmacy and Toxicology, Leiden University Medical Center, Leiden, The Netherlands
| | - S Sleijfer
- Department of Medical Oncology and Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - J W M Martens
- Department of Medical Oncology and Cancer Genomics Netherlands, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
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Hammerl D, Smid M, Timmermans AM, Sleijfer S, Martens JWM, Debets R. Breast cancer genomics and immuno-oncological markers to guide immune therapies. Semin Cancer Biol 2017; 52:178-188. [PMID: 29104025 DOI: 10.1016/j.semcancer.2017.11.003] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 10/30/2017] [Accepted: 11/01/2017] [Indexed: 12/28/2022]
Abstract
There is an increasing awareness of the importance of tumor - immune cell interactions to the evolution and therapy responses of breast cancer (BC). Not surprisingly, numerous studies are currently assessing the clinical value of immune modulation for BC patients. However, till now durable clinical responses are only rarely observed. It is important to realize that BC is a heterogeneous disease comprising several histological and molecular subtypes, which cannot be expected to be equally immunogenic and therefore not equally sensitive to single immune therapies. Here we review the characteristics of infiltrating leukocytes in healthy and malignant breast tissue, the prognostic and predictive values of immune cell subsets across different BC subtypes and the various existing immune evasive mechanisms. Furthermore, we describe the presence of certain groups of antigens as putative targets for treatment, evaluate the outcomes of current clinical immunotherapy trials, and finally, we propose a strategy to better implement immuno-oncological markers to guide future immune therapies in BC.
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Affiliation(s)
- D Hammerl
- Department of Medical Oncology, Erasmus MC - Cancer Institute, Rotterdam, the Netherlands
| | - M Smid
- Department of Medical Oncology, Erasmus MC - Cancer Institute, Rotterdam, the Netherlands
| | - A M Timmermans
- Department of Medical Oncology, Erasmus MC - Cancer Institute, Rotterdam, the Netherlands
| | - S Sleijfer
- Department of Medical Oncology, Erasmus MC - Cancer Institute, Rotterdam, the Netherlands
| | - J W M Martens
- Department of Medical Oncology, Erasmus MC - Cancer Institute, Rotterdam, the Netherlands
| | - R Debets
- Department of Medical Oncology, Erasmus MC - Cancer Institute, Rotterdam, the Netherlands.
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Moghadasi S, Grundeken V, Janssen LAM, Dijkstra NH, Rodríguez-Girondo M, van Zelst-Stams WAG, Oosterwijk JC, Ausems MGEM, Oldenburg RA, Adank MA, Blom EW, Ruijs MWG, van Os TAM, van Deurzen CHM, Martens JWM, Schroder CP, Wijnen JT, Vreeswijk MPG, van Asperen CJ. Performance of BRCA1/2 mutation prediction models in male breast cancer patients. Clin Genet 2017; 93:52-59. [PMID: 28589637 DOI: 10.1111/cge.13065] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 05/12/2017] [Accepted: 06/01/2017] [Indexed: 01/11/2023]
Abstract
To establish whether existing mutation prediction models can identify which male breast cancer (MBC) patients should be offered BRCA1 and BRCA2 diagnostic DNA screening, we compared the performance of BOADICEA (Breast and Ovarian Analysis of Disease Incidence and Carrier Estimation Algorithm), BRCAPRO (BRCA probability) and the Myriad prevalence table ("Myriad"). These models were evaluated using the family data of 307 Dutch MBC probands tested for BRCA1/2, 58 (19%) of whom were carriers. We compared the numbers of observed vs predicted carriers and assessed the Area Under the Receiver Operating Characteristic (ROC) Curve (AUC) for each model. BOADICEA predicted the total number of BRCA1/2 mutation carriers quite accurately (observed/predicted ratio: 0.94). When a cut-off of 10% and 20% prior probability was used, BRCAPRO showed a non-significant better performance (observed/predicted ratio BOADICEA: 0.81, 95% confidence interval [CI]: [0.60-1.09] and 0.79, 95% CI: [0.57-1.09], vs. BRCAPRO 1.02, 95% CI: [0.75-1.38] and 0.94, 95% CI: [0.68-1.31], respectively). Myriad underestimated the number of carriers in up to 69% of the cases. BRCAPRO showed a non-significant, higher AUC than BOADICEA (0.798 vs 0.776). Myriad showed a significantly lower AUC (0.671). BRCAPRO and BOADICEA can efficiently identify MBC patients as BRCA1/2 mutation carriers. Besides their general applicability, these tools will be of particular value in countries with limited healthcare resources.
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Affiliation(s)
- S Moghadasi
- Department of Clinical Genetics, Leiden University Medical Centre, Leiden, the Netherlands
| | - V Grundeken
- Department of Clinical Genetics, Leiden University Medical Centre, Leiden, the Netherlands
| | - L A M Janssen
- Department of Clinical Genetics, Leiden University Medical Centre, Leiden, the Netherlands
| | - N H Dijkstra
- Dutch Breast Cancer Research Group, Amsterdam, the Netherlands
| | - M Rodríguez-Girondo
- Department of Medical Statistics and Bioinformatics, Leiden University Medical Centre, Leiden, the Netherlands
| | - W A G van Zelst-Stams
- Department of Human Genetics, Radboud University Medical Centre, Nijmegen, the Netherlands
| | - J C Oosterwijk
- Department of Genetics, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands
| | - M G E M Ausems
- Department of Genetics, University Medical Centre, Utrecht, the Netherlands
| | - R A Oldenburg
- Department of Clinical Genetics, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - M A Adank
- Department of Clinical Genetics, VU University Medical Centre, Amsterdam, the Netherlands
| | - E W Blom
- Department Clinical Genetics, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - M W G Ruijs
- Department of Clinical Genetics, the Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - T A M van Os
- Department of Clinical Genetics, Academic Medical Centre, Amsterdam, the Netherlands
| | - C H M van Deurzen
- Department of Pathology, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - J W M Martens
- Department of Medical Oncology, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - C P Schroder
- Department of Medical Oncology, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands
| | - J T Wijnen
- Department of Clinical Genetics, Leiden University Medical Centre, Leiden, the Netherlands.,Department of Human Genetics, Leiden University Medical Centre, Leiden, the Netherlands
| | - M P G Vreeswijk
- Department of Human Genetics, Leiden University Medical Centre, Leiden, the Netherlands
| | - C J van Asperen
- Department of Clinical Genetics, Leiden University Medical Centre, Leiden, the Netherlands
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Post A, Smid M, Nagelkerke A, Martens J, Bussink J, Sweep C, Span P. OC-0482: Interferon stimulated genes: a common pathway in tamoxifen- and radioresistance in breast cancer. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)30922-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Mustafa DA, Pedrosa RM, Sieuwerts A, Smid M, de Weerd V, Luider T, Debets R, Martens J, Foekens J, Kros JM. OS03.1 The role of the immune system in facilitating the formation of brain metastasis of breast cancer. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Doebar SC, Sieuwerts AM, de Weerd V, Martens JWM, van Deurzen CHM. Abstract P3-17-02: Gene expression differences between ductal carcinoma in situ with and without progression to invasive breast cancer. Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-p3-17-02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background
The mechanism behind progression of ductal carcinoma in situ (DCIS) to invasive breast cancer (IBC) remains unknown. The aim of our study was to increase our understanding regarding molecular alterations driving DCIS progression by comparing gene-expression patterns between patients with pure DCIS and patients with synchronous DCIS and IBC.
Methods
In this retrospective study, we included patients with extensive pure DCIS (n=12), defined as > 5 cm, as a representation of biologically indolent lesions with limited invasive capacity. These cases were matched with patients with a limited DCIS component, defined as < 1 cm, and synchronous IBC (n=12), representing lesions with a high invasive potential. Matching was based on age and surrogate DCIS subtypes. Gene expression profiling, using 93 tumor-specific target genes, was performed to identify transcriptional differences between the DCIS components of these two groups. The identified genes were validated by immunohistochemistry.
Results
In total, for 9 genes there was a significant difference in gene expression between patients with pure DCIS and patients with DCIS and synchronous IBC. The majority of these 9 genes were significantly higher expressed in DCIS samples with IBC, including PLAU (P=0.002), COL1A1 (P=0.006), KRT81 (P=0.009), S100A7 (P=0.015), SCGB1D2 (P=0.023), KRT18 (P=0.029) and NOTCH3 (P= 0.044), while EGFR and CXCL14 showed a significantly higher expression in pure DCIS (P=0.015 and P=0.028 respectively). Based on these 9 genes, unsupervised hierarchical clustering-analysis revealed distinct clustering of patients with pure DCIS and patients with DCIS and synchronous IBC. Immunohistochemical analyses are in progress.
Conclusion
This pilot study suggests that patients with pure DCIS have a significant different gene expression pattern as compared to patients with DCIS and synchronous IBC. If these results can be validated in an independent cohort, these differently expressed genes could be used to predict progression in individual patients diagnosed with DCIS. Furthermore, these genes may pinpoint driver pathway(s) that play an important role in the progression of DCIS to IBC.
Citation Format: Doebar SC, Sieuwerts AM, de Weerd V, Martens JWM, van Deurzen CHM. Gene expression differences between ductal carcinoma in situ with and without progression to invasive breast cancer [abstract]. In: Proceedings of the 2016 San Antonio Breast Cancer Symposium; 2016 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2017;77(4 Suppl):Abstract nr P3-17-02.
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Affiliation(s)
- SC Doebar
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands
| | - AM Sieuwerts
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands
| | - V de Weerd
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands
| | - JWM Martens
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands
| | - CHM van Deurzen
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands
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Vitale SR, Sieuwerts AM, Helmijr J, Beije N, van der Vlugt – Daane M, Foekens JA, Sleijfer S, Jansen MPHM, Martens JWM. Abstract P1-09-20: An optimized workflow to analyze ESR1 mutations in both circulating cell-free and circulating tumor cell DNA by digital PCR. Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-p1-09-20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background
In metastatic breast cancer (MBC) patients ESR1 mutations (mESR1) in cell-free DNA (cfDNA) have been related to endocrine therapy (ET) resistance. Such mutations might also be detectable in circulating tumor cells (CTCs). Mutation detection in small amounts of cfDNA and in CTCs in a background of leukocytes is highly challenging. The current study evaluated how to reliably investigate mESR1 status in such minute amounts of cfDNA and in DNA from CellSearch-enriched CTCs.
Materials & Methods
Plasma (200 µL) and matched CellSearch-enriched CTC fractions of 7 healthy blood donors (HBD) and 29 MBC patients at baseline and after ET (≥ 5 CTC/7.5 mL) were evaluated. cfDNA was isolated from plasma with the QIAamp CNA kit and CTC-enriched DNA with the AllPrep kit (Qiagen). mESR1 status in both cfDNA and CTC-enriched DNA fractions was compared with or without whole genome amplification (repli-g WGA, Qiagen) or ESR1 target specific amplification. Quantitative PCR (qPCR) for wild type (WT) ESR1 was used to control the number of WT copies loaded into the chips for digital PCR (dPCR) analysis. The variant allele frequencies (VAF) of hotspot mutations for ESR1 (D538G, Y537S, Y537C and Y537N) were evaluated with mutation-specific Taqman assays by chip-based dPCR (QuantStudio 3D, Thermo Fischer Scientific).
Results
To allow inclusion of as many samples as possible, we successfully downscaled the volume of required plasma from 1 mL to 200 µL as this resulted in the same VAF. Sample-type specific thresholds for mESR1 presence were established (2% for the cell-free plasma samples, at which percentage all HBDs were negative, and 0.5% for the CTCs to allow identification of one mutated CTC-specific copy in a background of ~1,000 leukocytes).
WGA was unable to adequately amplify fragmented cfDNA, resulting in a too low DNA yield. However, locus-specific target pre-amplification of a 136 bp fragment covering all 4 different mutations followed by mutant specific dPCR performed well for both cfDNA and CTC DNA, but only if the loading of the pre-amplified product into the dPCR chips was optimized by qPCR for the number of WT ESR1 copies.
The most optimal results for dPCR data interpretation were obtained after: 1. including at least one positive sample in each dPCR session; 2. using a “safe loading window”, 3. loading and reading chips at least twice in QuantStudio 3D ; 4. critically evaluating the contribution by a non-specific “comet effect”; and 5. after loading the data in the software, performing at least two independent data analyses to exclude intra-observer variations.
Summary
Here we describe our workflow to assess mESR1 in a limited amount of plasma cfDNA or CellSearch enriched CTC DNA. This workflow has been successfully used to investigate the mESR1 VAF status in DNA from matched CTC DNA and cfDNA of MBC patients before start of 1st line endocrine therapy and at progression (see also abstract number 851017).
Citation Format: Vitale SR, Sieuwerts AM, Helmijr J, Beije N, van der Vlugt – Daane M, Foekens JA, Sleijfer S, Jansen MPHM, Martens JWM. An optimized workflow to analyze ESR1 mutations in both circulating cell-free and circulating tumor cell DNA by digital PCR [abstract]. In: Proceedings of the 2016 San Antonio Breast Cancer Symposium; 2016 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2017;77(4 Suppl):Abstract nr P1-09-20.
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Affiliation(s)
- SR Vitale
- Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands; University of Catania, Catania, Italy; Cancer Genomics Netherlands, Rotterdam, Netherlands
| | - AM Sieuwerts
- Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands; University of Catania, Catania, Italy; Cancer Genomics Netherlands, Rotterdam, Netherlands
| | - J Helmijr
- Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands; University of Catania, Catania, Italy; Cancer Genomics Netherlands, Rotterdam, Netherlands
| | - N Beije
- Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands; University of Catania, Catania, Italy; Cancer Genomics Netherlands, Rotterdam, Netherlands
| | - M van der Vlugt – Daane
- Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands; University of Catania, Catania, Italy; Cancer Genomics Netherlands, Rotterdam, Netherlands
| | - JA Foekens
- Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands; University of Catania, Catania, Italy; Cancer Genomics Netherlands, Rotterdam, Netherlands
| | - S Sleijfer
- Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands; University of Catania, Catania, Italy; Cancer Genomics Netherlands, Rotterdam, Netherlands
| | - MPHM Jansen
- Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands; University of Catania, Catania, Italy; Cancer Genomics Netherlands, Rotterdam, Netherlands
| | - JWM Martens
- Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands; University of Catania, Catania, Italy; Cancer Genomics Netherlands, Rotterdam, Netherlands
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Mateo F, Arenas EJ, Aguilar H, Serra-Musach J, de Garibay GR, Boni J, Maicas M, Du S, Iorio F, Herranz-Ors C, Islam A, Prado X, Llorente A, Petit A, Vidal A, Català I, Soler T, Venturas G, Rojo-Sebastian A, Serra H, Cuadras D, Blanco I, Lozano J, Canals F, Sieuwerts AM, de Weerd V, Look MP, Puertas S, García N, Perkins AS, Bonifaci N, Skowron M, Gómez-Baldó L, Hernández V, Martínez-Aranda A, Martínez-Iniesta M, Serrat X, Cerón J, Brunet J, Barretina MP, Gil M, Falo C, Fernández A, Morilla I, Pernas S, Plà MJ, Andreu X, Seguí MA, Ballester R, Castellà E, Nellist M, Morales S, Valls J, Velasco A, Matias-Guiu X, Figueras A, Sánchez-Mut JV, Sánchez-Céspedes M, Cordero A, Gómez-Miragaya J, Palomero L, Gómez A, Gajewski TF, Cohen EEW, Jesiotr M, Bodnar L, Quintela-Fandino M, López-Bigas N, Valdés-Mas R, Puente XS, Viñals F, Casanovas O, Graupera M, Hernández-Losa J, Ramón Y Cajal S, García-Alonso L, Saez-Rodriguez J, Esteller M, Sierra A, Martín-Martín N, Matheu A, Carracedo A, González-Suárez E, Nanjundan M, Cortés J, Lázaro C, Odero MD, Martens JWM, Moreno-Bueno G, Barcellos-Hoff MH, Villanueva A, Gomis RR, Pujana MA. Stem cell-like transcriptional reprogramming mediates metastatic resistance to mTOR inhibition. Oncogene 2016; 36:2737-2749. [PMID: 27991928 PMCID: PMC5442428 DOI: 10.1038/onc.2016.427] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 08/31/2016] [Accepted: 10/10/2016] [Indexed: 01/16/2023]
Abstract
Inhibitors of the mechanistic target of rapamycin (mTOR) are currently used to treat advanced metastatic breast cancer. However, whether an aggressive phenotype is sustained through adaptation or resistance to mTOR inhibition remains unknown. Here, complementary studies in human tumors, cancer models and cell lines reveal transcriptional reprogramming that supports metastasis in response to mTOR inhibition. This cancer feature is driven by EVI1 and SOX9. EVI1 functionally cooperates with and positively regulates SOX9, and promotes the transcriptional upregulation of key mTOR pathway components (REHB and RAPTOR) and of lung metastasis mediators (FSCN1 and SPARC). The expression of EVI1 and SOX9 is associated with stem cell-like and metastasis signatures, and their depletion impairs the metastatic potential of breast cancer cells. These results establish the mechanistic link between resistance to mTOR inhibition and cancer metastatic potential, thus enhancing our understanding of mTOR targeting failure.
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Affiliation(s)
- F Mateo
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - E J Arenas
- Oncology Program, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - H Aguilar
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - J Serra-Musach
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - G Ruiz de Garibay
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - J Boni
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - M Maicas
- Centre for Applied Medical Research (CIMA) and Department of Biochemistry and Genetics, University of Navarra, Pamplona, Spain
| | - S Du
- Department of Radiation Oncology, New York University School of Medicine, New York, NY, USA
| | - F Iorio
- European Molecular Biology Laboratory-European Bioinformatics Institute (EMBL-EBI), Wellcome Trust Genome Campus, Cambridge, UK.,Cancer Genome Project, Wellcome Trust Sanger Institute, Hinxton, UK
| | - C Herranz-Ors
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - A Islam
- Department of Genetic Engineering and Biotechnology, University of Dhaka, Dhaka, Bangladesh
| | - X Prado
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - A Llorente
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - A Petit
- Department of Pathology, University Hospital of Bellvitge, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - A Vidal
- Department of Pathology, University Hospital of Bellvitge, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - I Català
- Department of Pathology, University Hospital of Bellvitge, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - T Soler
- Department of Pathology, University Hospital of Bellvitge, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - G Venturas
- Department of Pathology, University Hospital of Bellvitge, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - A Rojo-Sebastian
- Department of Pathology, MD Anderson Cancer Center, Madrid, Spain
| | - H Serra
- Angiogenesis Research Group, ProCURE, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - D Cuadras
- Statistics Unit, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - I Blanco
- Hereditary Cancer Programme, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - J Lozano
- Department of Molecular Biology and Biochemistry, Málaga University, and Molecular Oncology Laboratory, Mediterranean Institute for the Advance of Biotechnology and Health Research (IBIMA), University Hospital Virgen de la Victoria, Málaga, Spain
| | - F Canals
- ProteoRed-Instituto de Salud Carlos III, Proteomic Laboratory, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron University Hospital, Barcelona, Spain
| | - A M Sieuwerts
- Department of Medical Oncology, Erasmus University Medical Center, Daniel den Hoed Cancer Center, Cancer Genomics Centre, Rotterdam, The Netherlands
| | - V de Weerd
- Department of Medical Oncology, Erasmus University Medical Center, Daniel den Hoed Cancer Center, Cancer Genomics Centre, Rotterdam, The Netherlands
| | - M P Look
- Department of Medical Oncology, Erasmus University Medical Center, Daniel den Hoed Cancer Center, Cancer Genomics Centre, Rotterdam, The Netherlands
| | - S Puertas
- Chemoresistance and Predictive Factors Laboratory, ProCURE, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - N García
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - A S Perkins
- University of Rochester Medical Center, School of Medicine and Dentistry, Rochester, NY, USA
| | - N Bonifaci
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - M Skowron
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - L Gómez-Baldó
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - V Hernández
- Biological Clues of the Invasive and Metastatic Phenotype Laboratory, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - A Martínez-Aranda
- Biological Clues of the Invasive and Metastatic Phenotype Laboratory, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - M Martínez-Iniesta
- Chemoresistance and Predictive Factors Laboratory, ProCURE, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - X Serrat
- Cancer and Human Molecular Genetics, IDIBELL, Hospitalet de Llobregat, Barcelona, Spain
| | - J Cerón
- Cancer and Human Molecular Genetics, IDIBELL, Hospitalet de Llobregat, Barcelona, Spain
| | - J Brunet
- Hereditary Cancer Programme, ICO, Girona Biomedical Research Institute (IDIBGI), Girona, Spain
| | - M P Barretina
- Department of Medical Oncology, ICO, IDIBGI, Girona, Spain
| | - M Gil
- Department of Medical Oncology, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - C Falo
- Department of Medical Oncology, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - A Fernández
- Department of Medical Oncology, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - I Morilla
- Department of Medical Oncology, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - S Pernas
- Department of Medical Oncology, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - M J Plà
- Department of Gynecology, University Hospital of Bellvitge, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - X Andreu
- Department of Pathology, Parc Taulí Hospital Consortium, Sabadell, Barcelona, Spain
| | - M A Seguí
- Medical Oncology Service, Parc Taulí Hospital Consortium, Sabadell, Barcelona, Spain
| | - R Ballester
- Department of Radiation Oncology, University Hospital Germans Trias i Pujol, ICO, Germans Trias i Pujol Research Institute (IGTP), Badalona, Barcelona, Spain
| | - E Castellà
- Department of Pathology, University Hospital Germans Trias i Pujol, ICO, IGTP, Badalona, Barcelona, Spain
| | - M Nellist
- Department of Clinical Genetics, Erasmus Medical Centre, Rotterdam, The Netherlands
| | - S Morales
- Hospital Arnau de Vilanova, University of Lleida, Biomedical Research Institute of Lleida (IRB Lleida), Lleida, Spain
| | - J Valls
- Hospital Arnau de Vilanova, University of Lleida, Biomedical Research Institute of Lleida (IRB Lleida), Lleida, Spain
| | - A Velasco
- Hospital Arnau de Vilanova, University of Lleida, Biomedical Research Institute of Lleida (IRB Lleida), Lleida, Spain
| | - X Matias-Guiu
- Hospital Arnau de Vilanova, University of Lleida, Biomedical Research Institute of Lleida (IRB Lleida), Lleida, Spain
| | - A Figueras
- Angiogenesis Research Group, ProCURE, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - J V Sánchez-Mut
- Cancer Epigenetics and Biology Program (PEBC), IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - M Sánchez-Céspedes
- Cancer Epigenetics and Biology Program (PEBC), IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - A Cordero
- Cancer Epigenetics and Biology Program (PEBC), IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - J Gómez-Miragaya
- Cancer Epigenetics and Biology Program (PEBC), IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - L Palomero
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
| | - A Gómez
- Cancer Epigenetics and Biology Program (PEBC), IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - T F Gajewski
- Departments of Pathology and Medicine, University of Chicago, Chicago, IL, USA
| | - E E W Cohen
- Moores Cancer Center, University of California San Diego, La Jolla, CA, USA
| | - M Jesiotr
- Department of Pathology, Military Institute of Medicine, Warsaw, Poland
| | - L Bodnar
- Department of Oncology, Military Institute of Medicine, Warsaw, Poland
| | - M Quintela-Fandino
- Breast Cancer Clinical Research Unit, Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - N López-Bigas
- Department of Experimental and Health Sciences, Barcelona Biomedical Research Park, Pompeu Fabra University (UPF), Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - R Valdés-Mas
- Department of Biochemistry and Molecular Biology, University Institute of Oncology of Asturias, University of Oviedo, Oviedo, Spain
| | - X S Puente
- Department of Biochemistry and Molecular Biology, University Institute of Oncology of Asturias, University of Oviedo, Oviedo, Spain
| | - F Viñals
- Angiogenesis Research Group, ProCURE, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - O Casanovas
- Angiogenesis Research Group, ProCURE, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - M Graupera
- Angiogenesis Research Group, ProCURE, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - J Hernández-Losa
- Department of Pathology, Vall d'Hebron University Hospital, Barcelona, Spain
| | - S Ramón Y Cajal
- Department of Pathology, Vall d'Hebron University Hospital, Barcelona, Spain
| | - L García-Alonso
- European Molecular Biology Laboratory-European Bioinformatics Institute (EMBL-EBI), Wellcome Trust Genome Campus, Cambridge, UK
| | - J Saez-Rodriguez
- European Molecular Biology Laboratory-European Bioinformatics Institute (EMBL-EBI), Wellcome Trust Genome Campus, Cambridge, UK
| | - M Esteller
- Cancer Epigenetics and Biology Program (PEBC), IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain.,Department of Physiological Sciences II, School of Medicine, University of Barcelona, Barcelona, Spain
| | - A Sierra
- Molecular and Translational Oncology Laboratory, Biomedical Research Center CELLEX-CRBC, Biomedical Research Institute 'August Pi i Sunyer' (IDIBAPS), and Systems Biology Department, Faculty of Science and Technology, University of Vic, Central University of Catalonia, Barcelona, Spain
| | - N Martín-Martín
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Derio, Spain
| | - A Matheu
- Neuro-Oncology Section, Oncology Department, Biodonostia Research Institute, San Sebastian, Spain.,Ikerbasque, Basque Foundation for Science, Bilbao, Spain
| | - A Carracedo
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Derio, Spain.,Ikerbasque, Basque Foundation for Science, Bilbao, Spain.,Department of Biochemistry and Molecular Biology, University of the Basque Country (UPV/EHU), Bilbao, Spain
| | - E González-Suárez
- Cancer Epigenetics and Biology Program (PEBC), IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - M Nanjundan
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, USA
| | - J Cortés
- Department of Medical Oncology, VHIO, Vall d'Hebron University Hospital, Barcelona, Spain
| | - C Lázaro
- Hereditary Cancer Programme, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - M D Odero
- Centre for Applied Medical Research (CIMA) and Department of Biochemistry and Genetics, University of Navarra, Pamplona, Spain
| | - J W M Martens
- Department of Medical Oncology, Erasmus University Medical Center, Daniel den Hoed Cancer Center, Cancer Genomics Centre, Rotterdam, The Netherlands
| | - G Moreno-Bueno
- Department of Biochemistry, Autonomous University of Madrid (UAM), Biomedical Research Institute 'Alberto Sols' (Spanish National Research Council (CSIC)-UAM), Translational Research Laboratory, Hospital La Paz Institute for Health Research (IdiPAZ), and MD Anderson International Foundation, Madrid, Spain
| | - M H Barcellos-Hoff
- Department of Radiation Oncology, New York University School of Medicine, New York, NY, USA
| | - A Villanueva
- Chemoresistance and Predictive Factors Laboratory, ProCURE, ICO, IDIBELL, L'Hospitalet del Llobregat, Barcelona, Spain
| | - R R Gomis
- Oncology Program, Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - M A Pujana
- Breast Cancer and Systems Biology Laboratory, Program Against Cancer Therapeutic Resistance (ProCURE), Catalan Institute of Oncology (ICO), Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet del Llobregat, Barcelona, Spain
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van der Stok EP, Smid M, Sieuwerts AM, Vermeulen PB, Sleijfer S, Ayez N, Grünhagen DJ, Martens JWM, Verhoef C. mRNA expression profiles of colorectal liver metastases as a novel biomarker for early recurrence after partial hepatectomy. Mol Oncol 2016; 10:1542-1550. [PMID: 27692894 DOI: 10.1016/j.molonc.2016.09.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 08/31/2016] [Accepted: 09/12/2016] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Identification of specific risk groups for recurrence after surgery for isolated colorectal liver metastases (CRLM) remains challenging due to the heterogeneity of the disease. Classical clinicopathologic parameters have limited prognostic value. The aim of this study was to identify a gene expression signature measured in CRLM discriminating early from late recurrence after partial hepatectomy. METHODS CRLM from two patient groups were collected: I) with recurrent disease ≤12 months after surgery (N = 33), and II) without recurrences and disease free for ≥36 months (N = 30). The patients were clinically homogeneous; all had a low clinical risk score (0-2) and did not receive (neo-) adjuvant chemotherapy. Total RNA was hybridised to Illumina arrays, and processed for analysis. A leave-one-out cross validation (LOOCV) analysis was performed to identify a prognostic gene expression signature. RESULTS LOOCV yielded an 11-gene profile with prognostic value in relation to recurrent disease ≤12 months after partial hepatectomy. This signature had a sensitivity of 81.8%, with a specificity of 66.7% for predicting recurrences (≤12 months) versus no recurrences for at least 36 months after surgery (X2 P < 0.0001). CONCLUSION The current study yielded an 11-gene signature at mRNA level in CRLM discriminating early from late or no relapse after partial hepatectomy.
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Affiliation(s)
- E P van der Stok
- Department of Surgical Oncology, Erasmus MC Cancer Institute, Groene Hilledijk 301, 3075 EA Rotterdam, The Netherlands.
| | - M Smid
- Department of Medical Oncology and Cancer Genomics Netherlands, Erasmus MC Cancer Institute, 's-Gravendijkwal 230, 3015 CE Rotterdam, The Netherlands
| | - A M Sieuwerts
- Department of Medical Oncology and Cancer Genomics Netherlands, Erasmus MC Cancer Institute, 's-Gravendijkwal 230, 3015 CE Rotterdam, The Netherlands
| | - P B Vermeulen
- Translational Cancer Research Group, Sint-Augustinus (GZA Hospitals) & CORE (Antwerp University), Oosterveldlaan 24, 2610 Wilrijk-Antwerp, Belgium
| | - S Sleijfer
- Department of Medical Oncology and Cancer Genomics Netherlands, Erasmus MC Cancer Institute, 's-Gravendijkwal 230, 3015 CE Rotterdam, The Netherlands
| | - N Ayez
- Department of Surgical Oncology, Erasmus MC Cancer Institute, Groene Hilledijk 301, 3075 EA Rotterdam, The Netherlands
| | - D J Grünhagen
- Department of Surgical Oncology, Erasmus MC Cancer Institute, Groene Hilledijk 301, 3075 EA Rotterdam, The Netherlands
| | - J W M Martens
- Department of Medical Oncology and Cancer Genomics Netherlands, Erasmus MC Cancer Institute, 's-Gravendijkwal 230, 3015 CE Rotterdam, The Netherlands
| | - C Verhoef
- Department of Surgical Oncology, Erasmus MC Cancer Institute, Groene Hilledijk 301, 3075 EA Rotterdam, The Netherlands
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Grimminck K, Mourik SL, Tjin-Asjoe F, Martens J, Aktas M. Long-term follow-up and quality of life after robot assisted sacrohysteropexy. Eur J Obstet Gynecol Reprod Biol 2016; 206:27-31. [PMID: 27614268 DOI: 10.1016/j.ejogrb.2016.06.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 05/14/2016] [Accepted: 06/28/2016] [Indexed: 10/21/2022]
Abstract
OBJECTIVE The aim of this study is to investigate the effect of robot assisted laparoscopic sacrohysteropexy (RALS), with preservation of the uterus, in patients with pelvic organ prolapse on short and long term outcome. We report on (anatomical) status of the prolaps and the associated health related quality of life of women treated with RALS before and five years after surgery. STUDY DESIGN A prospective cohort study in a teaching hospital in The Netherlands was performed. Quality of life was assessed pre-operative, post-operative and five years after RALS using the UDI/IIQ validated self-questionnaire designed for Dutch-speaking patients. Clinical and operative data were prospectively collected up to five years. Statistical analysis of categorical data was performed with the paired T-test. Descriptive statistics were computed with the use of standard methods for means, median and proportions. RESULTS Hundred women with utero vaginal prolapse were treated with RALS with preservation of the uterus. The overall success rate of pelvic organ prolapse (POP) was 89.2%. After surgery the quality of life improved (P<0.05) Overall health status, based on a 0-100% visual analogue scale (VAS), improved from 72.6% pre-operative to 82.2% six weeks postoperative (P<0.05). Postoperative patients experienced less feelings of nervousness (P=0.01), shame (P<0.05) and frustration (P<0.05). The positive effects on these feelings remained present after five years. The learning curve shows a decrease in operating time with gained experience. CONCLUSION RALS has proven to be a safe and effective treatment for uterine preserving surgery in cases of pelvic organ prolapse. The long term anatomical outcomes and quality of life after RALS compare favorably with laparoscopic and open hysteropexy.
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Affiliation(s)
- K Grimminck
- The Maasstad Hospital, Obstetrics and Gynecology, Maasstadweg 21, Rotterdam, Netherlands.
| | - S L Mourik
- The Maasstad Hospital, Obstetrics and Gynecology, Maasstadweg 21, Rotterdam, Netherlands
| | - F Tjin-Asjoe
- The Maasstad Hospital, Obstetrics and Gynecology, Maasstadweg 21, Rotterdam, Netherlands
| | - J Martens
- The Maasstad Hospital, Obstetrics and Gynecology, Maasstadweg 21, Rotterdam, Netherlands
| | - M Aktas
- The Maasstad Hospital, Obstetrics and Gynecology, Maasstadweg 21, Rotterdam, Netherlands
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Boormans J, Beije N, Sleijfer S, Van N, Martens J, Klaver S, De Vries P, Somford R, Van der Heijden A, Van Aubel O, Van der Hoeven J, Slaa ET, Wijburg C. 76. Circulating tumor cells in patients undergoing radical cystectomy for muscle-invasive bladder cancer: Interim results of the CirGuidance study. European Journal of Surgical Oncology (EJSO) 2016. [DOI: 10.1016/j.ejso.2016.06.082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Martens J, Van Gerven E, Lannoy K, Panella M, Euwema M, Sermeus W, De Hert M, Vanhaecht K. Serious reportable events within the inpatient mental health care: Impact on physicians and nurses. ACTA ACUST UNITED AC 2016; 31 Suppl 2:26-33. [DOI: 10.1016/j.cali.2016.04.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 04/12/2016] [Accepted: 04/18/2016] [Indexed: 10/21/2022]
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Barr M, Fahy A, Martens J, Dastoor PC. A simple counter-flow cooling system for a supersonic free-jet beam source assembly. Rev Sci Instrum 2016; 87:053301. [PMID: 27250408 DOI: 10.1063/1.4948391] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A simple design for an inexpensive, cooled, free-jet beam source is described. The source assembly features an integrated cooling system as supplied by a counter-flow of chilled nitrogen, and is composed primarily of off-the-shelf tube fittings. The design facilitates rapid implementation and eases subsequent alignment with respect to any downstream beamline aperture. The source assembly outlined cools the full length of the stagnation volume, offering temperature control down to 100 K and long-term temperature stability better than ±1 K.
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Affiliation(s)
- M Barr
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - A Fahy
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - J Martens
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
| | - P C Dastoor
- Centre for Organic Electronics, University of Newcastle, Callaghan, NSW 2308, Australia
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Martens JWM, Smid M, Rodríguez-González G, Sieuwerts AM, Prager-Van der Smissen WJC, Van Der Vlugt - Daane M, Van Galen A, Nik-Zainal S, Staaf J, Brinkman AB, Van de Vijver MJ, Richardson AL, Berentsen K, Caldas C, Butler A, Martin S, Davies HD, Debets R, Meijer-Van Gelder ME, Van Deurzen CHM, Ramakrishna MR, Ringnér M, Viari A, Birney E, Børresen-Dale AL, Stunnenberg HG, Stratton M, Foekens JA. Abstract P6-08-10: Mutational signatures impact the breast cancer transcriptome and distinguish mitotic from immune response pathways. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p6-08-10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
A comprehensive whole genome analysis of a large breast cancer cohort of 560 cases (Nik-Zainal et al, submitted 2015) reports novel and existing DNA substitution and rearrangement signatures next a comprehensive list of events driving the breast cancer cell to its malignant potency. In the current study, we linked the observed genetic diversity to the breast cancer transcriptome for 260 cases for which whole genome and whole transcriptome data were both available.
Cluster analysis of the global gene expression showed the familiar view of a coherent basal-like and a heterogeneous luminal subgroup. New and previously reported1 subtype-specific aberrations with concordant expression changes were found in TP53, PIK3CA, PTEN, CCND1, CDH1 and GATA3, and mutations in PIK3CA, PTEN, AKT1 and AKT2 were mutually exclusive confirming they are active in the same pathway in breast cancer.
Integrating the identified DNA substitutions signatures with the transcriptome, we observed that the total number of substitutions in a cancer, irrespective of substitution type, was positively associated with cell cycle regulated gene expression and with adverse outcome.
In addition and more remarkably, we observed that the number substitution of two substitution signatures2 particularly associated with immune-response specific gene expression, with increased amount of tumor infiltrating lymphocytes and with a better outcome. These two signatures comprised 1) mutations of the APOBEC-type (predominant C>G in a TCN context), and 2) mutations which lacks specific features but which are strongly associated with genetic and epigenetic inactivating aberrations in BRCA1 and BRCA2.
Thus, while earlier reports3-5 imply that the sheer number of driver events triggers an immune-response, we refine this statement by observing that substitutions of a particular type are much very effective in doing so explaining the superior outcome of cancer having these particular types of substitutions. This result also implies that purposefully augmenting T-cell reactivity against amino-acid substitutions resulting from either of these two DNA substitution types could potentially improve immunotherapies in breast cancer.
1. Comprehensive molecular portraits of human breast tumours. Nature 490, 61-70 (2012).
2. Alexandrov, L.B., et al. Signatures of mutational processes in human cancer. Nature 500, 415-421 (2013).
3. Rizvi, N.A., et al. Cancer immunology. Mutational landscape determines sensitivity to PD-1 blockade in non-small cell lung cancer. Science 348, 124-128 (2015).
4. Schumacher, T.N. & Schreiber, R.D. Neoantigens in cancer immunotherapy. Science 348, 69-74 (2015).
5. Snyder, A., et al. Genetic basis for clinical response to CTLA-4 blockade in melanoma. N Engl J Med 371, 2189-2199 (2014).
Citation Format: Martens JWM, Smid M, Rodríguez-González G, Sieuwerts AM, Prager-Van der Smissen WJC, Van Der Vlugt - Daane M, Van Galen A, Nik-Zainal S, Staaf J, Brinkman AB, Van de Vijver MJ, Richardson AL, Berentsen K, Caldas C, Butler A, Martin S, Davies HD, Debets R, Meijer-Van Gelder ME, Van Deurzen CHM, Ramakrishna MR, Ringnér M, Viari A, Birney E, Børresen-Dale A-L, Stunnenberg HG, Stratton M, Foekens JA. Mutational signatures impact the breast cancer transcriptome and distinguish mitotic from immune response pathways. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P6-08-10.
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Affiliation(s)
- JWM Martens
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - M Smid
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - G Rodríguez-González
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - AM Sieuwerts
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - WJC Prager-Van der Smissen
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - M Van Der Vlugt - Daane
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - A Van Galen
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - S Nik-Zainal
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - J Staaf
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - AB Brinkman
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - MJ Van de Vijver
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - AL Richardson
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - K Berentsen
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - C Caldas
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - A Butler
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - S Martin
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - HD Davies
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - R Debets
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - ME Meijer-Van Gelder
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - CHM Van Deurzen
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - MR Ramakrishna
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - M Ringnér
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - A Viari
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - E Birney
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - A-L Børresen-Dale
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - HG Stunnenberg
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - M Stratton
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
| | - JA Foekens
- Erasmus MC, Rotterdam, Netherlands; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Lund University, Lund, Sweden; Radboud University Nijmegen, Nijmegen, Netherlands; Academic Medical Center Amsterdam, Amsterdam, Netherlands; Dana-Farber Cancer Institute, Boston, MA; University of Cambridge, Cambridge, United Kingdom; Synergie Lyon Cancer, Lyon, France; European Bioinformatics Institute, Hinxton, United Kingdom; University of Oslo, Oslo, Norway
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van der Willik KD, Timmermans MM, Look MP, Reijm EA, van Deurzen CHM, den Bakker MA, Westenend PJ, Martens JWM, Berns EMJJ, Jansen MPHM. Abstract P5-08-51: SIAH2 protein expression is inversely correlated with the ER status and outcome to tamoxifen therapy in metastatic breast cancer patients. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p5-08-51] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Introduction: In a previous study we observed a positive correlation between Seven in Absentia Homolog 2 (SIAH2) and Estrogen Receptor (ER) mRNA levels. Additionally, high SIAH2 mRNA levels were related to a favorable progression-free survival (PFS) after first-line tamoxifen. In contrast, others showed high SIAH2 protein levels in ER-negative breast cancer associated with an unfavorable relapse-free survival. In this study, we investigated the above discrepancy between SIAH2 protein and mRNA findings and evaluated the prognostic and predictive value of SIAH2 protein in breast cancer patients.
Patients and methods: Tissue microarrays (TMAs) of formalin-fixed, paraffin-embedded primary breast tumors were immunohistochemically stained for SIAH2 protein. The TMAs contained core specimens of 759 patients with early disease and of 245 ER-positive patients with advanced disease treated with first-line tamoxifen. SIAH2 protein staining was scored for its intensity and proportion positive cells and subsequently evaluated for its relationship with metastasis-free survival (MFS) and PFS in uni- and multivariate analyses including traditional prognostic or predictive factors, respectively.
Results: The proportion SIAH2-positive cells had a relationship with MFS and PFS, whereas staining intensity and a previous described score for SIAH2 combining intensity and proportion were not related with clinical outcome. Based on these results, tumors with more than 20% positive cells were considered as SIAH2-positive. In early disease, 267 patients (35%) had SIAH2-positive tumors, which were further characterized by decreased expression of ER at protein and mRNA levels (P <0.001 and P = 0.003, respectively). These SIAH2-positive tumors correlated with significant unfavorable MFS in lymph node negative, ER-positive breast cancer patients, but only in univariate analysis. In advanced disease, 86 patients (35%) had SIAH2-positive tumors which was associated with an unfavorable PFS after first-line tamoxifen in both uni- and multivariate analyses (HR = 1.45; 95% CI, 1.07 to 1.96; P = 0.015).
Conclusions: SIAH2 protein expression is especially observed in ER-negative tumors and has no additional prognostic value in breast cancer. The proportion SIAH2-positive cells in ER-positive tumors can be used as biomarker to predict tamoxifen treatment failure in breast cancer patients with advanced disease. Future studies should establish if expression of certain microRNAs explain the observed discrepancy in SIAH2 mRNA and protein levels.
Citation Format: van der Willik KD, Timmermans MM, Look MP, Reijm EA, van Deurzen CHM, den Bakker MA, Westenend PJ, Martens JWM, Berns EMJJ, Jansen MPHM. SIAH2 protein expression is inversely correlated with the ER status and outcome to tamoxifen therapy in metastatic breast cancer patients. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P5-08-51.
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Affiliation(s)
- KD van der Willik
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands; Maasstad Hospital, Rotterdam, Zuid-Holland, Netherlands; Laboratory for Pathology, Dordrecht, Zuid-Holland, Netherlands
| | - MM Timmermans
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands; Maasstad Hospital, Rotterdam, Zuid-Holland, Netherlands; Laboratory for Pathology, Dordrecht, Zuid-Holland, Netherlands
| | - MP Look
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands; Maasstad Hospital, Rotterdam, Zuid-Holland, Netherlands; Laboratory for Pathology, Dordrecht, Zuid-Holland, Netherlands
| | - EA Reijm
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands; Maasstad Hospital, Rotterdam, Zuid-Holland, Netherlands; Laboratory for Pathology, Dordrecht, Zuid-Holland, Netherlands
| | - CHM van Deurzen
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands; Maasstad Hospital, Rotterdam, Zuid-Holland, Netherlands; Laboratory for Pathology, Dordrecht, Zuid-Holland, Netherlands
| | - MA den Bakker
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands; Maasstad Hospital, Rotterdam, Zuid-Holland, Netherlands; Laboratory for Pathology, Dordrecht, Zuid-Holland, Netherlands
| | - PJ Westenend
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands; Maasstad Hospital, Rotterdam, Zuid-Holland, Netherlands; Laboratory for Pathology, Dordrecht, Zuid-Holland, Netherlands
| | - JWM Martens
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands; Maasstad Hospital, Rotterdam, Zuid-Holland, Netherlands; Laboratory for Pathology, Dordrecht, Zuid-Holland, Netherlands
| | - EMJJ Berns
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands; Maasstad Hospital, Rotterdam, Zuid-Holland, Netherlands; Laboratory for Pathology, Dordrecht, Zuid-Holland, Netherlands
| | - MPHM Jansen
- Erasmus MC Cancer Institute, Rotterdam, Zuid-Holland, Netherlands; Maasstad Hospital, Rotterdam, Zuid-Holland, Netherlands; Laboratory for Pathology, Dordrecht, Zuid-Holland, Netherlands
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Harris R, Law E, Sieuwerts A, LaPara K, Leonard B, Starrett G, Temiz NA, Sweep F, Span P, Foekens J, Martens J, Yee D. Abstract S4-07: Tamoxifen resistance driven by the DNA cytosine deaminase APOBEC3B in recurrent estrogen receptor positive breast cancer. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-s4-07] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Recent studies have implicated the DNA cytosine deaminase APOBEC3B as a major source of mutation in breast cancer. APOBEC3B explains a large proportion of both dispersed and clustered cytosine mutations, the latter of which are also called kataegis. APOBEC3B expression levels correlate with poor outcomes for patients with estrogen receptor positive breast cancer. While targeted therapies, such as tamoxifen, are available to treat these tumors, secondary drug resistance often develops. Here we suppressed endogenous APOBEC3B in the estrogen receptor positive breast cell line MCF-7L with shRNA. Lowered levels of APOBEC3B did not affect in vitro growth or sensitivity to estradiol. In a xenograft model of tamoxifen therapy, suppression of APOBEC3B associated with prolonged responses to tamoxifen (p<0.05). Furthermore, APOBEC3B over-expression did not affect in vitro cell growth but accelerated the development of tamoxifen-resistant tumors in vivo. In addition, we studied two separate cohorts of 285 breast cancer patients who received first line treatment with tamoxifen for recurrent disease. High APOBEC3B expression levels measured in the primary tumor associated significantly with unfavorable progression free survival in multivariate analysis that included the traditional predictive factors (age, dominant relapse site, disease-free interval, estrogen receptor and progesterone receptor, and adjuvant chemotherapy; HR=1.67, p=0.0001). The median period of progression free survival was 7.5 months for patients with APOBEC3B high primary tumors and 13.3 months for those with APOBEC3B low tumors (p<0.0.0001). These studies demonstrate that APOBEC3B drives resistance to endocrine treatment with tamoxifen in recurrent disease.
Citation Format: Harris R, Law E, Sieuwerts A, LaPara K, Leonard B, Starrett G, Temiz NA, Sweep F, Span P, Foekens J, Martens J, Yee D. Tamoxifen resistance driven by the DNA cytosine deaminase APOBEC3B in recurrent estrogen receptor positive breast cancer. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr S4-07.
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Affiliation(s)
- R Harris
- University of Minnesota, Minneapolis, MN; Erasmus MC Cancer Institute, Rotterdam, Netherlands; Radboud University Medical Center, Nijmegen, Netherlands
| | - E Law
- University of Minnesota, Minneapolis, MN; Erasmus MC Cancer Institute, Rotterdam, Netherlands; Radboud University Medical Center, Nijmegen, Netherlands
| | - A Sieuwerts
- University of Minnesota, Minneapolis, MN; Erasmus MC Cancer Institute, Rotterdam, Netherlands; Radboud University Medical Center, Nijmegen, Netherlands
| | - K LaPara
- University of Minnesota, Minneapolis, MN; Erasmus MC Cancer Institute, Rotterdam, Netherlands; Radboud University Medical Center, Nijmegen, Netherlands
| | - B Leonard
- University of Minnesota, Minneapolis, MN; Erasmus MC Cancer Institute, Rotterdam, Netherlands; Radboud University Medical Center, Nijmegen, Netherlands
| | - G Starrett
- University of Minnesota, Minneapolis, MN; Erasmus MC Cancer Institute, Rotterdam, Netherlands; Radboud University Medical Center, Nijmegen, Netherlands
| | - NA Temiz
- University of Minnesota, Minneapolis, MN; Erasmus MC Cancer Institute, Rotterdam, Netherlands; Radboud University Medical Center, Nijmegen, Netherlands
| | - F Sweep
- University of Minnesota, Minneapolis, MN; Erasmus MC Cancer Institute, Rotterdam, Netherlands; Radboud University Medical Center, Nijmegen, Netherlands
| | - P Span
- University of Minnesota, Minneapolis, MN; Erasmus MC Cancer Institute, Rotterdam, Netherlands; Radboud University Medical Center, Nijmegen, Netherlands
| | - J Foekens
- University of Minnesota, Minneapolis, MN; Erasmus MC Cancer Institute, Rotterdam, Netherlands; Radboud University Medical Center, Nijmegen, Netherlands
| | - J Martens
- University of Minnesota, Minneapolis, MN; Erasmus MC Cancer Institute, Rotterdam, Netherlands; Radboud University Medical Center, Nijmegen, Netherlands
| | - D Yee
- University of Minnesota, Minneapolis, MN; Erasmus MC Cancer Institute, Rotterdam, Netherlands; Radboud University Medical Center, Nijmegen, Netherlands
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Okasha S, Martens J. Hamilton's rule, inclusive fitness maximization, and the goal of individual behaviour in symmetric two-player games. J Evol Biol 2016; 29:473-82. [PMID: 26679493 DOI: 10.1111/jeb.12808] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Revised: 11/30/2015] [Accepted: 12/03/2015] [Indexed: 11/25/2022]
Abstract
Hamilton's original work on inclusive fitness theory assumed additivity of costs and benefits. Recently, it has been argued that an exact version of Hamilton's rule for the spread of a pro-social allele (rb > c) holds under nonadditive pay-offs, so long as the cost and benefit terms are defined as partial regression coefficients rather than pay-off parameters. This article examines whether one of the key components of Hamilton's original theory can be preserved when the rule is generalized to the nonadditive case in this way, namely that evolved organisms will behave as if trying to maximize their inclusive fitness in social encounters.
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Affiliation(s)
- S Okasha
- Department of Philosophy, University of Bristol, Bristol, UK
| | - J Martens
- Department of Philosophy, University of Bristol, Bristol, UK
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Barr M, Fahy A, Martens J, Jardine AP, Ward DJ, Ellis J, Allison W, Dastoor PC. Unlocking new contrast in a scanning helium microscope. Nat Commun 2016; 7:10189. [PMID: 26727303 PMCID: PMC4725762 DOI: 10.1038/ncomms10189] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Accepted: 11/13/2015] [Indexed: 11/09/2022] Open
Abstract
Delicate structures (such as biological samples, organic films for polymer electronics and adsorbate layers) suffer degradation under the energetic probes of traditional microscopies. Furthermore, the charged nature of these probes presents difficulties when imaging with electric or magnetic fields, or for insulating materials where the addition of a conductive coating is not desirable. Scanning helium microscopy is able to image such structures completely non-destructively by taking advantage of a neutral helium beam as a chemically, electrically and magnetically inert probe of the sample surface. Here we present scanning helium micrographs demonstrating image contrast arising from a range of mechanisms including, for the first time, chemical contrast observed from a series of metal–semiconductor interfaces. The ability of scanning helium microscopy to distinguish between materials without the risk of damage makes it ideal for investigating a wide range of systems. Scanning helium microscopy uses neutral atoms to image traditionally challenging materials (e.g. delicate, insulating and magnetic samples) non-destructively with absolute surface sensitivity. This work reports the first observation of chemical contrast in helium microscopy via inelastic scattering.
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Affiliation(s)
- M Barr
- Centre for Organic Electronics, University of Newcastle, Callaghan, New South Wales 2308, Australia
| | - A Fahy
- Centre for Organic Electronics, University of Newcastle, Callaghan, New South Wales 2308, Australia
| | - J Martens
- Centre for Organic Electronics, University of Newcastle, Callaghan, New South Wales 2308, Australia
| | - A P Jardine
- Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE, UK
| | - D J Ward
- Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE, UK
| | - J Ellis
- Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE, UK
| | - W Allison
- Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE, UK
| | - P C Dastoor
- Centre for Organic Electronics, University of Newcastle, Callaghan, New South Wales 2308, Australia
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