1
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De Schepper M, Koorman T, Richard F, Christgen M, Vincent-Salomon A, Schnitt SJ, van Diest PJ, Zels G, Mertens F, Maetens M, Vanden Bempt I, Harbeck N, Nitz U, Gräser M, Kümmel S, Gluz O, Weynand B, Floris G, Derksen PWB, Desmedt C. Integration of Pathological Criteria and Immunohistochemical Evaluation for Invasive Lobular Carcinoma Diagnosis: Recommendations From the European Lobular Breast Cancer Consortium. Mod Pathol 2024; 37:100497. [PMID: 38641322 DOI: 10.1016/j.modpat.2024.100497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 04/11/2024] [Accepted: 04/11/2024] [Indexed: 04/21/2024]
Abstract
Invasive lobular carcinoma (ILC) is the second most frequent type of breast cancer (BC) and its peculiar morphology is mainly driven by inactivation of CDH1, the gene coding for E-cadherin cell adhesion protein. ILC-specific therapeutic and disease-monitoring approaches are gaining momentum in the clinic, increasing the importance of accurate ILC diagnosis. Several essential and desirable morphologic diagnostic criteria are currently defined by the World Health Organization, the routine use of immunohistochemistry (IHC) for E-cadherin is not recommended. Disagreement in the diagnosis of ILC has been repeatedly reported, but interpathologist agreement increases with the use of E-cadherin IHC. In this study, we aimed to harmonize the pathological diagnosis of ILC by comparing 5 commonly used E-cadherin antibody clones (NCH-38, EP700Y, Clone 36, NCL-L-E-cad [Clone 36B5], and ECH-6). We determined their biochemical specificity for the E-cadherin protein and IHC staining performance according to type and location of mutation on the CDH1 gene. Western blot analysis on mouse cell lines with conditional E-cadherin expression revealed a reduced specificity of EP700Y and NCL-L-E-cad for E-cadherin, with cross-reactivity of Clone 36 to P-cadherin. The use of IHC improved interpathologist agreement for ILC, lobular carcinoma in situ, and atypical lobular hyperplasia. The E-cadherin IHC staining pattern was associated with variant allele frequency and likelihood of nonsense-mediated RNA decay but not with the type or position of CDH1 mutations. Based on these results, we recommend the indication for E-cadherin staining, choice of antibodies, and their interpretation to standardize ILC diagnosis in current pathology practice.
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Affiliation(s)
- Maxim De Schepper
- Department of Oncology, Laboratory for Translational Breast Cancer Research, KU Leuven, Leuven, Belgium; Department of Pathology, University Hospitals Leuven, UH Leuven, Leuven, Belgium
| | - Thijs Koorman
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - François Richard
- Department of Oncology, Laboratory for Translational Breast Cancer Research, KU Leuven, Leuven, Belgium
| | | | - Anne Vincent-Salomon
- Department of Pathology-Genetics_Immunology, Institut Curie, PSL Research University, Diagnostic and Theranostic Medicine Division, Paris, France
| | - Stuart J Schnitt
- Department of Pathology, Brigham and Women's Hospital, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts
| | - Paul J van Diest
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Gitte Zels
- Department of Oncology, Laboratory for Translational Breast Cancer Research, KU Leuven, Leuven, Belgium; Department of Pathology, University Hospitals Leuven, UH Leuven, Leuven, Belgium
| | - Freya Mertens
- Department of Pathology, University Hospitals Leuven, UH Leuven, Leuven, Belgium
| | - Marion Maetens
- Department of Oncology, Laboratory for Translational Breast Cancer Research, KU Leuven, Leuven, Belgium
| | | | - Nadia Harbeck
- West German Study Group, Mönchengladbach, Germany; Department of Gynecology and Obstetrics, Breast Center, University of Munich (LMU) and CCCLMU, Munich, Germany
| | - Ulrike Nitz
- West German Study Group, Mönchengladbach, Germany; Ev. Hospital Bethesda, Breast Center Niederrhein, Mönchengladbach, Germany
| | - Monika Gräser
- West German Study Group, Mönchengladbach, Germany; Ev. Hospital Bethesda, Breast Center Niederrhein, Mönchengladbach, Germany; Department of Gynecology, University Medical Center Hamburg, Germany
| | - Sherko Kümmel
- West German Study Group, Mönchengladbach, Germany; Charité - Universitätsmedizin Berlin, Department of Gynecology with Breast Center, Berlin, Germany; Clinics Essen-Mitte, Breast Unit, Essen, Germany
| | - Oleg Gluz
- West German Study Group, Mönchengladbach, Germany; Ev. Hospital Bethesda, Breast Center Niederrhein, Mönchengladbach, Germany; University Clinics Cologne, Women's Clinic and Breast Center, Cologne, Germany
| | - Birgit Weynand
- Department of Pathology, University Hospitals Leuven, UH Leuven, Leuven, Belgium
| | - Giuseppe Floris
- Department of Pathology, University Hospitals Leuven, UH Leuven, Leuven, Belgium.
| | - Patrick W B Derksen
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands.
| | - Christine Desmedt
- Department of Oncology, Laboratory for Translational Breast Cancer Research, KU Leuven, Leuven, Belgium.
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2
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Anass EA, Amine M, Mohamed EH, Bouhout T, Serji B. Pleomorphic Carcinoma of the Breast: A Report of Three Cases. Cureus 2024; 16:e61091. [PMID: 38919235 PMCID: PMC11197633 DOI: 10.7759/cureus.61091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/26/2024] [Indexed: 06/27/2024] Open
Abstract
Pleomorphic carcinoma (PC) is an uncommon and high-grade form of breast carcinoma characterized by the presence of distinctive pleomorphic giant tumor cells exhibiting bizarre nuclei and atypical mitosis. In this study, we report three patients who presented with lesions composed of a proliferation of large pleomorphic cells with a predominance of multinucleated giant cells on a microscope. Immunohistochemical analysis revealed distinct immunologic profiles within the respective malignant components. Notably, this report aims to contribute valuable insights, adding to the understanding of this uncommon tumor, accompanied by a literature review. Despite its rarity, PC in the breast remains clinically relevant due to its distinctive morphological and pathological features. These unique attributes require specific considerations in both clinical presentation and management.
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Affiliation(s)
- El Achchi Anass
- Surgical Oncology Department, Regional Oncology Center, Mohammed VI University Hospital, Oujda, MAR
- Faculty of Medicine and Pharmacy, Mohammed First University, Oujda, MAR
| | - Majdoubi Amine
- Surgical Oncology Department, Regional Oncology Center, Mohammed VI University Hospital, Oujda, MAR
- Faculty of Medicine and Pharmacy, Mohammed First University, Oujda, MAR
| | - El Hammouti Mohamed
- Surgical Oncology Department, Regional Oncology Center, Mohammed VI University Hospital, Oujda, MAR
- Faculty of Medicine and Pharmacy, Mohammed First University, Oujda, MAR
| | - Tariq Bouhout
- Surgical Oncology Department, Regional Oncology Center, Mohammed VI University Hospital, Oujda, MAR
- Faculty of Medicine and Pharmacy, Mohammed First University, Oujda, MAR
| | - Badr Serji
- Surgical Oncology Department, Regional Oncology Center, Mohammed VI University Hospital, Oujda, MAR
- Faculty of Medicine and Pharmacy, Mohammed First University, Oujda, MAR
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3
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Dopeso H, Gazzo AM, Derakhshan F, Brown DN, Selenica P, Jalali S, Da Cruz Paula A, Marra A, da Silva EM, Basili T, Gusain L, Colon-Cartagena L, Bhaloo SI, Green H, Vanderbilt C, Oesterreich S, Grabenstetter A, Kuba MG, Ross D, Giri D, Wen HY, Zhang H, Brogi E, Weigelt B, Pareja F, Reis-Filho JS. Genomic and epigenomic basis of breast invasive lobular carcinomas lacking CDH1 genetic alterations. NPJ Precis Oncol 2024; 8:33. [PMID: 38347189 PMCID: PMC10861500 DOI: 10.1038/s41698-024-00508-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 12/14/2023] [Indexed: 02/15/2024] Open
Abstract
CDH1 (E-cadherin) bi-allelic inactivation is the hallmark alteration of breast invasive lobular carcinoma (ILC), resulting in its discohesive phenotype. A subset of ILCs, however, lack CDH1 genetic/epigenetic inactivation, and their genetic underpinning is unknown. Through clinical targeted sequencing data reanalysis of 364 primary ILCs, we identified 25 ILCs lacking CDH1 bi-allelic genetic alterations. CDH1 promoter methylation was frequent (63%) in these cases. Targeted sequencing reanalysis revealed 3 ILCs harboring AXIN2 deleterious fusions (n = 2) or loss-of-function mutation (n = 1). Whole-genome sequencing of 3 cases lacking bi-allelic CDH1 genetic/epigenetic inactivation confirmed the AXIN2 mutation and no other cell-cell adhesion genetic alterations but revealed a new CTNND1 (p120) deleterious fusion. AXIN2 knock-out in MCF7 cells resulted in lobular-like features, including increased cellular migration and resistance to anoikis. Taken together, ILCs lacking CDH1 genetic/epigenetic alterations are driven by inactivating alterations in other cell adhesion genes (CTNND1 or AXIN2), endorsing a convergent phenotype in ILC.
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Affiliation(s)
- Higinio Dopeso
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Andrea M Gazzo
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Fatemeh Derakhshan
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Department of Pathology and Cell Biology, Columbia University, New York, NY, USA
| | - David N Brown
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Pier Selenica
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Sahar Jalali
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Arnaud Da Cruz Paula
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Antonio Marra
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Edaise M da Silva
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Thais Basili
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Laxmi Gusain
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Lorraine Colon-Cartagena
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Shirin Issa Bhaloo
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Hunter Green
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Chad Vanderbilt
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Steffi Oesterreich
- Department of Pharmacology & Chemical Biology, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Anne Grabenstetter
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - M Gabriela Kuba
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Dara Ross
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Dilip Giri
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Hannah Y Wen
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Hong Zhang
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Edi Brogi
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Britta Weigelt
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Fresia Pareja
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
| | - Jorge S Reis-Filho
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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4
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Fitzpatrick A, Iravani M, Mills A, Vicente D, Alaguthurai T, Roxanis I, Turner NC, Haider S, Tutt ANJ, Isacke CM. Genomic profiling and pre-clinical modelling of breast cancer leptomeningeal metastasis reveals acquisition of a lobular-like phenotype. Nat Commun 2023; 14:7408. [PMID: 37973922 PMCID: PMC10654396 DOI: 10.1038/s41467-023-43242-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 11/03/2023] [Indexed: 11/19/2023] Open
Abstract
Breast cancer leptomeningeal metastasis (BCLM), where tumour cells grow along the lining of the brain and spinal cord, is a devastating development for patients. Investigating this metastatic site is hampered by difficulty in accessing tumour material. Here, we utilise cerebrospinal fluid (CSF) cell-free DNA (cfDNA) and CSF disseminated tumour cells (DTCs) to explore the clonal evolution of BCLM and heterogeneity between leptomeningeal and extracranial metastatic sites. Somatic alterations with potential therapeutic actionability were detected in 81% (17/21) of BCLM cases, with 19% detectable in CSF cfDNA only. BCLM was enriched in genomic aberrations in adherens junction and cytoskeletal genes, revealing a lobular-like breast cancer phenotype. CSF DTCs were cultured in 3D to establish BCLM patient-derived organoids, and used for the successful generation of BCLM in vivo models. These data reveal that BCLM possess a unique genomic aberration profile and highlight potential cellular dependencies in this hard-to-treat form of metastatic disease.
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Affiliation(s)
- Amanda Fitzpatrick
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
- Comprehensive Cancer Centre, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - Marjan Iravani
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | - Adam Mills
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | - David Vicente
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | | | - Ioannis Roxanis
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | - Nicholas C Turner
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
- The Royal Marsden NHS Foundation Trust, London, UK
| | - Syed Haider
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
| | - Andrew N J Tutt
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK
- Breast Cancer Now Research Unit, Guy's Hospital, King's College London, London, UK
- Oncology and Haematology Directorate, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Clare M Isacke
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, UK.
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5
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Streng AA, Van Dycke KCG, van Oostrom CTM, Salvatori DCF, Hulsegge G, Chaves I, Roenneberg T, Zander SAL, van Steeg H, van der Horst GTJ, van Kerkhof LWM. Impact of Simulated Rotating Shift Work on Mammary Tumor Development in the p53R270H©/+WAPCre Mouse Model for Breast Cancer. J Biol Rhythms 2023; 38:476-491. [PMID: 37357746 DOI: 10.1177/07487304231178340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2023]
Abstract
Epidemiological studies associate night shift work with increased breast cancer risk. However, the underlying mechanisms are not clearly understood. To better understand these mechanisms, animal models that mimic the human situation of different aspects of shift work are needed. In this study, we used "timed sleep restriction" (TSR) cages to simulate clockwise and counterclockwise rotating shift work schedules and investigated predicted sleep patterns and mammary tumor development in breast tumor-prone female p53R270H©/+WAPCre mice. We show that TSR cages are effective in disturbing normal activity and estimated sleep patterns. Although circadian rhythms were not shifted, we observed effects of the rotating schedules on sleep timing and sleep duration. Sleep loss during a simulated shift was partly compensated after the shift and also partly during the free days. No effects were observed on body weight gain and latency time of breast cancer development. In summary, our study shows that the TSR cages can be used to model shift work in mice and affect patterns of activity and sleep. The effect of disturbing sleep patterns on carcinogenesis needs to be further investigated.
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Affiliation(s)
- Astrid A Streng
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Kirsten C G Van Dycke
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Conny T M van Oostrom
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Daniela C F Salvatori
- Experimental Pathology Services Lab, Central Laboratory Animal Facility, Leiden University Medical Center, Leiden, The Netherlands
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Gerben Hulsegge
- Sustainable Productivity and Employability, Netherlands Organization for Applied Scientific Research (TNO), Leiden, The Netherlands
| | - Inês Chaves
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Till Roenneberg
- Institute of Medical Psychology, Ludwig-Maximilians-University, Munich, Germany
| | - Serge A L Zander
- Experimental Pathology Services Lab, Central Laboratory Animal Facility, Leiden University Medical Center, Leiden, The Netherlands
| | - Harry van Steeg
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Gijsbertus T J van der Horst
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Linda W M van Kerkhof
- Centre for Health Protection, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
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6
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Mazouzi A, Moser SC, Abascal F, van den Broek B, Del Castillo Velasco-Herrera M, van der Heijden I, Hekkelman M, Drenth AP, van der Burg E, Kroese LJ, Jalink K, Adams DJ, Jonkers J, Brummelkamp TR. FIRRM/C1orf112 mediates resolution of homologous recombination intermediates in response to DNA interstrand crosslinks. SCIENCE ADVANCES 2023; 9:eadf4409. [PMID: 37256941 PMCID: PMC10413679 DOI: 10.1126/sciadv.adf4409] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 04/25/2023] [Indexed: 06/02/2023]
Abstract
DNA interstrand crosslinks (ICLs) pose a major obstacle for DNA replication and transcription if left unrepaired. The cellular response to ICLs requires the coordination of various DNA repair mechanisms. Homologous recombination (HR) intermediates generated in response to ICLs, require efficient and timely conversion by structure-selective endonucleases. Our knowledge on the precise coordination of this process remains incomplete. Here, we designed complementary genetic screens to map the machinery involved in the response to ICLs and identified FIRRM/C1orf112 as an indispensable factor in maintaining genome stability. FIRRM deficiency leads to hypersensitivity to ICL-inducing compounds, accumulation of DNA damage during S-G2 phase of the cell cycle, and chromosomal aberrations, and elicits a unique mutational signature previously observed in HR-deficient tumors. In addition, FIRRM is recruited to ICLs, controls MUS81 chromatin loading, and thereby affects resolution of HR intermediates. FIRRM deficiency in mice causes early embryonic lethality and accelerates tumor formation. Thus, FIRRM plays a critical role in the response to ICLs encountered during DNA replication.
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Affiliation(s)
- Abdelghani Mazouzi
- Division of Biochemistry, Netherlands Cancer Institute, Amsterdam, Netherlands
- Oncode Institute, Amsterdam, Netherlands
| | - Sarah C. Moser
- Oncode Institute, Amsterdam, Netherlands
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, Netherlands
| | | | - Bram van den Broek
- Division of Cell Biology, Netherlands Cancer Institute, Amsterdam, Netherlands
- BioImaging Facility, Netherlands Cancer Institute, Amsterdam, Netherlands
| | | | - Ingrid van der Heijden
- Oncode Institute, Amsterdam, Netherlands
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Maarten Hekkelman
- Division of Biochemistry, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Anne Paulien Drenth
- Oncode Institute, Amsterdam, Netherlands
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Eline van der Burg
- Oncode Institute, Amsterdam, Netherlands
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Lona J. Kroese
- Animal Modeling Facility, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Kees Jalink
- Division of Cell Biology, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - David J. Adams
- Experimental Cancer Genetics, Wellcome Sanger Institute, Hinxton, UK
| | - Jos Jonkers
- Oncode Institute, Amsterdam, Netherlands
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Thijn R. Brummelkamp
- Division of Biochemistry, Netherlands Cancer Institute, Amsterdam, Netherlands
- Oncode Institute, Amsterdam, Netherlands
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7
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Ter Steege EJ, Sijnesael T, Enserink L, Klarenbeek S, Haakma WE, Bakker ERM, Derksen PWB. LGR6-dependent conditional inactivation of E-cadherin and p53 leads to invasive skin and mammary carcinomas in mice. Neoplasia 2022; 35:100844. [PMID: 36371908 PMCID: PMC9664519 DOI: 10.1016/j.neo.2022.100844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/21/2022] [Accepted: 10/10/2022] [Indexed: 11/11/2022] Open
Abstract
Tissue-specific inactivation of E-cadherin combined with tumor suppressor loss leads to invasive and metastatic cancers in mice. While epidermal E-cadherin loss in mice induces squamous cell carcinomas, inactivation of E-cadherin in the mammary gland leads to invasive lobular carcinoma. To further explore the carcinogenic consequences of cell-cell adhesion loss in these compartments, we developed a new conditional mouse model inactivating E-cadherin (Cdh1) and p53 (Trp53) simultaneously in cells expressing the leucine-rich repeat-containing G-protein coupled receptor 6 (Lgr6), a putative epithelial stem cell marker in the skin and alveolar progenitor marker in the mammary gland. Compound Lgr6-CreERT2;Cdh1F;Trp53F female mice containing either heterozygous or homozygous Cdh1F alleles were bred, and Lgr6-driven Cre expression was activated in pre-puberal mice using tamoxifen. We observed that 41% of the mice (16/39) developed mostly invasive squamous-type skin carcinomas, but also a non-lobular mammary tumor was formed. In contrast to previous K14cre or WAPcre E-cadherin and p53 compound models, no significant differences were detected in the tumor-free survival of Lgr6-CreERT2 heterozygous Cdh1F/WT;Trp53F/F versus homozygous Cdh1F/F;Trp53F/F mice (778 versus 754 days, p=0.5). One Cdh1F homozygous mouse presented with lung metastasis that originated from a non-lobular and ERα negative invasive mammary gland carcinoma with squamous metaplasia. In total, 2/8 (25%) Cdh1F heterozygous and 3/12 (25%) Cdh1F homozygous mice developed metastases to lungs, liver, lymph nodes, or the gastro-intestinal tract. In conclusion, we show that inducible and conditional Lgr6-driven inactivation of E-cadherin and p53 in mice causes squamous cell carcinomas of the skin in approximately 40% of the mice and an occasional ductal-type mammary carcinoma after long latency periods.
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Affiliation(s)
- Eline J Ter Steege
- The Department of Pathology, University Medical Center Utrecht, The Netherlands
| | - Thijmen Sijnesael
- The Department of Pathology, University Medical Center Utrecht, The Netherlands
| | - Lotte Enserink
- The Department of Pathology, University Medical Center Utrecht, The Netherlands
| | - Sjoerd Klarenbeek
- Experimental Animal Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Wisse E Haakma
- The Department of Pathology, University Medical Center Utrecht, The Netherlands
| | - Elvira R M Bakker
- The Department of Pathology, University Medical Center Utrecht, The Netherlands
| | - Patrick W B Derksen
- The Department of Pathology, University Medical Center Utrecht, The Netherlands.
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8
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Zingg D, Bhin J, Yemelyanenko J, Kas SM, Rolfs F, Lutz C, Lee JK, Klarenbeek S, Silverman IM, Annunziato S, Chan CS, Piersma SR, Eijkman T, Badoux M, Gogola E, Siteur B, Sprengers J, de Klein B, de Goeij-de Haas RR, Riedlinger GM, Ke H, Madison R, Drenth AP, van der Burg E, Schut E, Henneman L, van Miltenburg MH, Proost N, Zhen H, Wientjens E, de Bruijn R, de Ruiter JR, Boon U, de Korte-Grimmerink R, van Gerwen B, Féliz L, Abou-Alfa GK, Ross JS, van de Ven M, Rottenberg S, Cuppen E, Chessex AV, Ali SM, Burn TC, Jimenez CR, Ganesan S, Wessels LFA, Jonkers J. Truncated FGFR2 is a clinically actionable oncogene in multiple cancers. Nature 2022; 608:609-617. [PMID: 35948633 PMCID: PMC9436779 DOI: 10.1038/s41586-022-05066-5] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 07/03/2022] [Indexed: 12/13/2022]
Abstract
Somatic hotspot mutations and structural amplifications and fusions that affect fibroblast growth factor receptor 2 (encoded by FGFR2) occur in multiple types of cancer1. However, clinical responses to FGFR inhibitors have remained variable1–9, emphasizing the need to better understand which FGFR2 alterations are oncogenic and therapeutically targetable. Here we apply transposon-based screening10,11 and tumour modelling in mice12,13, and find that the truncation of exon 18 (E18) of Fgfr2 is a potent driver mutation. Human oncogenomic datasets revealed a diverse set of FGFR2 alterations, including rearrangements, E1–E17 partial amplifications, and E18 nonsense and frameshift mutations, each causing the transcription of E18-truncated FGFR2 (FGFR2ΔE18). Functional in vitro and in vivo examination of a compendium of FGFR2ΔE18 and full-length variants pinpointed FGFR2-E18 truncation as single-driver alteration in cancer. By contrast, the oncogenic competence of FGFR2 full-length amplifications depended on a distinct landscape of cooperating driver genes. This suggests that genomic alterations that generate stable FGFR2ΔE18 variants are actionable therapeutic targets, which we confirmed in preclinical mouse and human tumour models, and in a clinical trial. We propose that cancers containing any FGFR2 variant with a truncated E18 should be considered for FGFR-targeted therapies. Truncation of exon 18 of FGFR2 (FGFR2ΔE18) is a potent driver mutation in mice and humans, and FGFR-targeted therapy should be considered for patients with cancer expressing stable FGFR2ΔE18 variants.
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Affiliation(s)
- Daniel Zingg
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Jinhyuk Bhin
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands.,Division of Molecular Carcinogenesis, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Julia Yemelyanenko
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Sjors M Kas
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Frank Rolfs
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands.,OncoProteomics Laboratory, Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Catrin Lutz
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | | | - Sjoerd Klarenbeek
- Experimental Animal Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | | | - Stefano Annunziato
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Chang S Chan
- Department of Medicine, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, USA.,Department of Medicine and Pharmacology, Rutgers University, Piscataway, NJ, USA
| | - Sander R Piersma
- OncoProteomics Laboratory, Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Timo Eijkman
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Madelon Badoux
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Ewa Gogola
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Bjørn Siteur
- Mouse Clinic for Cancer and Aging, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Justin Sprengers
- Mouse Clinic for Cancer and Aging, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Bim de Klein
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Richard R de Goeij-de Haas
- OncoProteomics Laboratory, Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Gregory M Riedlinger
- Department of Medicine and Pharmacology, Rutgers University, Piscataway, NJ, USA.,Department of Pathology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, USA
| | - Hua Ke
- Department of Medicine, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, USA.,Department of Medicine and Pharmacology, Rutgers University, Piscataway, NJ, USA
| | | | - Anne Paulien Drenth
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Eline van der Burg
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Eva Schut
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Linda Henneman
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands.,Mouse Clinic for Cancer and Aging, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Martine H van Miltenburg
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Natalie Proost
- Mouse Clinic for Cancer and Aging, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | | | - Ellen Wientjens
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Roebi de Bruijn
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands.,Division of Molecular Carcinogenesis, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Julian R de Ruiter
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands.,Division of Molecular Carcinogenesis, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Ute Boon
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | | | - Bastiaan van Gerwen
- Mouse Clinic for Cancer and Aging, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Luis Féliz
- Incyte Biosciences International, Morges, Switzerland
| | - Ghassan K Abou-Alfa
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA.,Department of Medicine, Weill Medical College at Cornell University, New York, NY, USA
| | - Jeffrey S Ross
- Foundation Medicine, Cambridge, MA, USA.,Upstate University Hospital, Upstate Medical University, Syracuse, NY, USA
| | - Marieke van de Ven
- Mouse Clinic for Cancer and Aging, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Sven Rottenberg
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Institute of Animal Pathology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.,Bern Center for Precision Medicine, University of Bern, Bern, Switzerland
| | - Edwin Cuppen
- Oncode Institute, Utrecht, The Netherlands.,Hartwig Medical Foundation, Amsterdam, The Netherlands.,Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | | | | | - Connie R Jimenez
- OncoProteomics Laboratory, Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Shridar Ganesan
- Department of Medicine, Division of Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, USA. .,Department of Medicine and Pharmacology, Rutgers University, Piscataway, NJ, USA.
| | - Lodewyk F A Wessels
- Oncode Institute, Utrecht, The Netherlands. .,Division of Molecular Carcinogenesis, Netherlands Cancer Institute, Amsterdam, The Netherlands.
| | - Jos Jonkers
- Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands. .,Oncode Institute, Utrecht, The Netherlands.
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9
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Loss of E-cadherin leads to Id2-dependent inhibition of cell cycle progression in metastatic lobular breast cancer. Oncogene 2022; 41:2932-2944. [PMID: 35437308 PMCID: PMC9122823 DOI: 10.1038/s41388-022-02314-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 03/30/2022] [Accepted: 04/01/2022] [Indexed: 12/30/2022]
Abstract
Invasive lobular breast carcinoma (ILC) is characterized by proliferative indolence and long-term latency relapses. This study aimed to identify how disseminating ILC cells control the balance between quiescence and cell cycle re-entry. In the absence of anchorage, ILC cells undergo a sustained cell cycle arrest in G0/G1 while maintaining viability. From the genes that are upregulated in anchorage independent ILC cells, we selected Inhibitor of DNA binding 2 (Id2), a mediator of cell cycle progression. Using loss-of-function experiments, we demonstrate that Id2 is essential for anchorage independent survival (anoikis resistance) in vitro and lung colonization in mice. Importantly, we find that under anchorage independent conditions, E-cadherin loss promotes expression of Id2 in multiple mouse and (organotypic) human models of ILC, an event that is caused by a direct p120-catenin/Kaiso-dependent transcriptional de-repression of the canonical Kaiso binding sequence TCCTGCNA. Conversely, stable inducible restoration of E-cadherin expression in the ILC cell line SUM44PE inhibits Id2 expression and anoikis resistance. We show evidence that Id2 accumulates in the cytosol, where it induces a sustained and CDK4/6-dependent G0/G1 cell cycle arrest through interaction with hypo-phosphorylated Rb. Finally, we find that Id2 is indeed enriched in ILC when compared to other breast cancers, and confirm cytosolic Id2 protein expression in primary ILC samples. In sum, we have linked mutational inactivation of E-cadherin to direct inhibition of cell cycle progression. Our work indicates that loss of E-cadherin and subsequent expression of Id2 drive indolence and dissemination of ILC. As such, E-cadherin and Id2 are promising candidates to stratify low and intermediate grade invasive breast cancers for the use of clinical cell cycle intervention drugs.
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10
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Allen V, Coulombe J, Zhao H, Kreps LM, Cook DP, Pryce B, Clemons M, Vanderhyden BC, Gray DA, Addison CL. VIVA1: a more invasive subclone of MDA-MB-134VI invasive lobular carcinoma cells with increased metastatic potential in xenograft models. Br J Cancer 2022; 127:56-68. [PMID: 35318435 PMCID: PMC9276762 DOI: 10.1038/s41416-022-01778-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 01/28/2022] [Accepted: 02/25/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Invasive lobular carcinoma (ILC) is the second most common type of breast cancer. As few tools exist to study ILC metastasis, we isolated ILC cells with increased invasive properties to establish a spontaneously metastasising xenograft model. METHODS MDA-MB-134VI ILC cells were placed in transwells for 7 days. Migrated cells were isolated and expanded to create the VIVA1 cell line. VIVA1 cells were compared to parental MDA-MB-134VI cells in vitro for ILC marker expression and relative proliferative and invasive ability. An intraductally injected orthotopic xenograft model was used to assess primary and metastatic tumour growth in vivo. RESULTS Similar to MDA-MB-134VI, VIVA1 cells retained expression of oestrogen receptor (ER) and lacked expression of E-cadherin, however showed increased invasion in vitro. Following intraductal injection, VIVA1 and MDA-MB-134VI cells had similar primary tumour growth and survival kinetics. However, macrometastases were apparent in 7/10 VIVA1-injected animals. Cells from a primary orthotopic tumour (VIVA-LIG43) were isolated and showed similar proliferative rates but were also more invasive than parental cells. Upon re-injection intraductally, VIVA-LIG43 cells had more rapid tumour growth with similar metastatic incidence and location. CONCLUSIONS We generated a new orthotopic spontaneously metastasising xenograft model for ER+ ILC amenable for the study of ILC metastasis.
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Affiliation(s)
- Victoria Allen
- Program for Cancer Therapeutics, Ottawa Hospital Research Institute, Ottawa, K1H 8L6, ON, Canada.,Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, K1H 8M5, ON, Canada
| | - Josée Coulombe
- Program for Cancer Therapeutics, Ottawa Hospital Research Institute, Ottawa, K1H 8L6, ON, Canada
| | - Huijun Zhao
- Program for Cancer Therapeutics, Ottawa Hospital Research Institute, Ottawa, K1H 8L6, ON, Canada
| | - Lauren M Kreps
- Program for Cancer Therapeutics, Ottawa Hospital Research Institute, Ottawa, K1H 8L6, ON, Canada.,Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, K1H 8M5, ON, Canada
| | - David P Cook
- Program for Cancer Therapeutics, Ottawa Hospital Research Institute, Ottawa, K1H 8L6, ON, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, K1H 8M5, ON, Canada
| | - Benjamin Pryce
- Program for Cancer Therapeutics, Ottawa Hospital Research Institute, Ottawa, K1H 8L6, ON, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, K1H 8M5, ON, Canada
| | - Mark Clemons
- Program for Cancer Therapeutics, Ottawa Hospital Research Institute, Ottawa, K1H 8L6, ON, Canada.,Department of Medicine, University of Ottawa, Ottawa, K1H 8M5, ON, Canada
| | - Barbara C Vanderhyden
- Program for Cancer Therapeutics, Ottawa Hospital Research Institute, Ottawa, K1H 8L6, ON, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, K1H 8M5, ON, Canada
| | - Douglas A Gray
- Program for Cancer Therapeutics, Ottawa Hospital Research Institute, Ottawa, K1H 8L6, ON, Canada.,Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, K1H 8M5, ON, Canada
| | - Christina L Addison
- Program for Cancer Therapeutics, Ottawa Hospital Research Institute, Ottawa, K1H 8L6, ON, Canada. .,Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, K1H 8M5, ON, Canada. .,Department of Medicine, University of Ottawa, Ottawa, K1H 8M5, ON, Canada.
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11
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OUP accepted manuscript. Carcinogenesis 2022; 43:494-503. [DOI: 10.1093/carcin/bgac015] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 01/08/2022] [Accepted: 01/28/2022] [Indexed: 11/12/2022] Open
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12
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Koorman T, Jansen KA, Khalil A, Haughton PD, Visser D, Rätze MAK, Haakma WE, Sakalauskaitè G, van Diest PJ, de Rooij J, Derksen PWB. Spatial collagen stiffening promotes collective breast cancer cell invasion by reinforcing extracellular matrix alignment. Oncogene 2022; 41:2458-2469. [PMID: 35292774 PMCID: PMC9033577 DOI: 10.1038/s41388-022-02258-1] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 02/04/2022] [Accepted: 02/18/2022] [Indexed: 01/29/2023]
Abstract
The tumor micro-environment often contains stiff and irregular-bundled collagen fibers that are used by tumor cells to disseminate. It is still unclear how and to what extent, extracellular matrix (ECM) stiffness versus ECM bundle size and alignment dictate cancer cell invasion. Here, we have uncoupled Collagen-I bundling from stiffness by introducing inter-collagen crosslinks, combined with temperature induced aggregation of collagen bundling. Using organotypic models from mouse invasive ductal and invasive lobular breast cancers, we show that increased collagen bundling in 3D induces a generic increase in breast cancer invasion that is independent of migration mode. However, systemic collagen stiffening using advanced glycation end product (AGE) crosslinking prevents collective invasion, while leaving single cell invasion unaffected. Collective invasion into collagen matrices by ductal breast cancer cells depends on Lysyl oxidase-like 3 (Loxl3), a factor produced by tumor cells that reinforces local collagen stiffness. Finally, we present clinical evidence that collectively invading cancer cells at the invasive front of ductal breast carcinoma upregulate LOXL3. By uncoupling the mechanical, chemical, and structural cues that control invasion of breast cancer in three dimensions, our data reveal that spatial control over stiffness and bundling underlie collective dissemination of ductal-type breast cancers.
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Affiliation(s)
- Thijs Koorman
- grid.7692.a0000000090126352Departments of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Karin A. Jansen
- grid.7692.a0000000090126352Departments of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Antoine Khalil
- grid.7692.a0000000090126352Molecular Cancer Research/Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Peter D. Haughton
- grid.7692.a0000000090126352Departments of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Daan Visser
- grid.7692.a0000000090126352Departments of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Max A. K. Rätze
- grid.7692.a0000000090126352Departments of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Wisse E. Haakma
- grid.7692.a0000000090126352Departments of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Gabrielè Sakalauskaitè
- grid.7692.a0000000090126352Departments of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Paul J. van Diest
- grid.7692.a0000000090126352Departments of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Johan de Rooij
- grid.7692.a0000000090126352Molecular Cancer Research/Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Patrick W. B. Derksen
- grid.7692.a0000000090126352Departments of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
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13
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The Autophagic Route of E-Cadherin and Cell Adhesion Molecules in Cancer Progression. Cancers (Basel) 2021; 13:cancers13246328. [PMID: 34944948 PMCID: PMC8699259 DOI: 10.3390/cancers13246328] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/10/2021] [Accepted: 12/15/2021] [Indexed: 01/18/2023] Open
Abstract
Simple Summary A hallmark of carcinoma progression is the loss of epithelial integrity. In this context, the deregulation of adhesion molecules, such as E-cadherin, affects epithelial structures and associates with epithelial to mesenchymal transition (EMT). This, in turn, fosters cancer progression. Autophagy endows cancer cells with the ability to overcome intracellular and environmental stress stimuli, such as anoikis, nutrient deprivation, hypoxia, and drugs. Furthermore, it plays an important role in the degradation of cell adhesion proteins and in EMT. This review focuses on the interplay between the turnover of adhesion molecules, primarily E-cadherin, and autophagy in cancer progression. Abstract Cell-to-cell adhesion is a key element in epithelial tissue integrity and homeostasis during embryogenesis, response to damage, and differentiation. Loss of cell adhesion and gain of mesenchymal features, a phenomenon known as epithelial to mesenchymal transition (EMT), are essential steps in cancer progression. Interestingly, downregulation or degradation by endocytosis of epithelial adhesion molecules (e.g., E-cadherin) associates with EMT and promotes cell migration. Autophagy is a physiological intracellular degradation and recycling process. In cancer, it is thought to exert a tumor suppressive role in the early phases of cell transformation but, once cells have gained a fully transformed phenotype, autophagy may fuel malignant progression by promoting EMT and conferring drug resistance. In this review, we discuss the crosstalk between autophagy, EMT, and turnover of epithelial cell adhesion molecules, with particular attention to E-cadherin.
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14
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Sflomos G, Schipper K, Koorman T, Fitzpatrick A, Oesterreich S, Lee AV, Jonkers J, Brunton VG, Christgen M, Isacke C, Derksen PWB, Brisken C. Atlas of Lobular Breast Cancer Models: Challenges and Strategic Directions. Cancers (Basel) 2021; 13:5396. [PMID: 34771558 PMCID: PMC8582475 DOI: 10.3390/cancers13215396] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 10/18/2021] [Accepted: 10/21/2021] [Indexed: 12/14/2022] Open
Abstract
Invasive lobular carcinoma (ILC) accounts for up to 15% of all breast cancer (BC) cases and responds well to endocrine treatment when estrogen receptor α-positive (ER+) yet differs in many biological aspects from other ER+ BC subtypes. Up to 30% of patients with ILC will develop late-onset metastatic disease up to ten years after initial tumor diagnosis and may experience failure of systemic therapy. Unfortunately, preclinical models to study ILC progression and predict the efficacy of novel therapeutics are scarce. Here, we review the current advances in ILC modeling, including cell lines and organotypic models, genetically engineered mouse models, and patient-derived xenografts. We also underscore four critical challenges that can be addressed using ILC models: drug resistance, lobular tumor microenvironment, tumor dormancy, and metastasis. Finally, we highlight the advantages of shared experimental ILC resources and provide essential considerations from the perspective of the European Lobular Breast Cancer Consortium (ELBCC), which is devoted to better understanding and translating the molecular cues that underpin ILC to clinical diagnosis and intervention. This review will guide investigators who are considering the implementation of ILC models in their research programs.
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Affiliation(s)
- George Sflomos
- ISREC—Swiss Institute for Experimental Cancer Research, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Koen Schipper
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London SW3 6JB, UK; (K.S.); (A.F.); (C.I.)
| | - Thijs Koorman
- Department of Pathology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; (T.K.); (P.W.B.D.)
| | - Amanda Fitzpatrick
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London SW3 6JB, UK; (K.S.); (A.F.); (C.I.)
| | - Steffi Oesterreich
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA 15261, USA; (S.O.); (A.V.L.)
- Magee Women’s Cancer Research Institute, Pittsburgh, PA 15213, USA
- Cancer Biology Program, Women’s Cancer Research Center, UPMC Hillman Cancer Center, Pittsburgh, PA 15232, USA
| | - Adrian V. Lee
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA 15261, USA; (S.O.); (A.V.L.)
- Magee Women’s Cancer Research Institute, Pittsburgh, PA 15213, USA
- Cancer Biology Program, Women’s Cancer Research Center, UPMC Hillman Cancer Center, Pittsburgh, PA 15232, USA
| | - Jos Jonkers
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands;
- Oncode Institute, 1066 CX Amsterdam, The Netherlands
| | - Valerie G. Brunton
- Edinburgh Cancer Research UK Centre, Institute of Genetics and Cancer, University of Edinburgh, Crewe Road South, Edinburgh EH4 2XU, UK;
| | - Matthias Christgen
- Institute of Pathology, Hannover Medical School, Carl-Neuberg-Straße 1, 30625 Hannover, Germany;
| | - Clare Isacke
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London SW3 6JB, UK; (K.S.); (A.F.); (C.I.)
| | - Patrick W. B. Derksen
- Department of Pathology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; (T.K.); (P.W.B.D.)
| | - Cathrin Brisken
- ISREC—Swiss Institute for Experimental Cancer Research, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
- The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London SW3 6JB, UK; (K.S.); (A.F.); (C.I.)
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15
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Lobular Breast Cancer: Histomorphology and Different Concepts of a Special Spectrum of Tumors. Cancers (Basel) 2021; 13:cancers13153695. [PMID: 34359596 PMCID: PMC8345067 DOI: 10.3390/cancers13153695] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/15/2021] [Accepted: 07/18/2021] [Indexed: 12/20/2022] Open
Abstract
Simple Summary Invasive lobular breast cancer (ILC) is a special type of breast cancer (BC) that was first described in 1941. The diagnosis of ILC is made by microscopy of tumor specimens, which reveals a distinct morphology. This review recapitulates the developments in the microscopic assessment of ILC from 1941 until today. We discuss different concepts of ILC, provide an overview on ILC variants, and highlight advances which have contributed to a better understanding of ILC as a special histologic spectrum of tumors. Abstract Invasive lobular breast cancer (ILC) is the most common special histological type of breast cancer (BC). This review recapitulates developments in the histomorphologic assessment of ILC from its beginnings with the seminal work of Foote and Stewart, which was published in 1941, until today. We discuss different concepts of ILC and their implications. These concepts include (i) BC arising from mammary lobules, (ii) BC growing in dissociated cells and single files, and (iii) BC defined as a morpho-molecular spectrum of tumors with distinct histological and molecular characteristics related to impaired cell adhesion. This review also provides a comprehensive overview of ILC variants, their histomorphology, and differential diagnosis. Furthermore, this review highlights recent advances which have contributed to a better understanding of the histomorphology of ILC, such as the role of the basal lamina component laminin, the molecular specificities of triple-negative ILC, and E-cadherin to P-cadherin expression switching as the molecular determinant of tubular elements in CDH1-deficient ILC. Last but not least, we provide a detailed account of the tumor microenvironment in ILC, including tumor infiltrating lymphocyte (TIL) levels, which are comparatively low in ILC compared to other BCs, but correlate with clinical outcome. The distinct histomorphology of ILC clearly reflects a special tumor biology. In the clinic, special treatment strategies have been established for triple-negative, HER2-positive, and ER-positive BC. Treatment specialization for patients diagnosed with ILC is just in its beginnings. Accordingly, ILC deserves greater attention as a special tumor entity in BC diagnostics, patient care, and cancer research.
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16
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Preclinical models and technologies to advance nanovaccine development. Adv Drug Deliv Rev 2021; 172:148-182. [PMID: 33711401 DOI: 10.1016/j.addr.2021.03.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 02/26/2021] [Accepted: 03/01/2021] [Indexed: 12/13/2022]
Abstract
The remarkable success of targeted immunotherapies is revolutionizing cancer treatment. However, tumor heterogeneity and low immunogenicity, in addition to several tumor-associated immunosuppression mechanisms are among the major factors that have precluded the success of cancer vaccines as targeted cancer immunotherapies. The exciting outcomes obtained in patients upon the injection of tumor-specific antigens and adjuvants intratumorally, reinvigorated interest in the use of nanotechnology to foster the delivery of vaccines to address cancer unmet needs. Thus, bridging nano-based vaccine platform development and predicted clinical outcomes the selection of the proper preclinical model will be fundamental. Preclinical models have revealed promising outcomes for cancer vaccines. However, only few cases were associated with clinical responses. This review addresses the major challenges related to the translation of cancer nano-based vaccines to the clinic, discussing the requirements for ex vivo and in vivo models of cancer to ensure the translation of preclinical success to patients.
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17
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Kurley SJ, Tischler V, Bierie B, Novitskiy SV, Noske A, Varga Z, Zürrer-Härdi U, Brandt S, Carnahan RH, Cook RS, Muller WJ, Richmond A, Reynolds AB. A requirement for p120-catenin in the metastasis of invasive ductal breast cancer. J Cell Sci 2021; 134:jcs250639. [PMID: 33097605 PMCID: PMC7990862 DOI: 10.1242/jcs.250639] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 10/02/2020] [Indexed: 12/15/2022] Open
Abstract
We report here the effects of targeted p120-catenin (encoded by CTNND1; hereafter denoted p120) knockout (KO) in a PyMT mouse model of invasive ductal (mammary) cancer (IDC). Mosaic p120 ablation had little effect on primary tumor growth but caused significant pro-metastatic alterations in the tumor microenvironment, ultimately leading to a marked increase in the number and size of pulmonary metastases. Surprisingly, although early effects of p120-ablation included decreased cell-cell adhesion and increased invasiveness, cells lacking p120 were almost entirely unable to colonized distant metastatic sites in vivo The relevance of this observation to human IDC was established by analysis of a large clinical dataset of 1126 IDCs. As reported by others, p120 downregulation in primary IDC predicted worse overall survival. However, as in the mice, distant metastases were almost invariably p120 positive, even in matched cases where the primary tumors were p120 negative. Collectively, our results demonstrate a strong positive role for p120 (and presumably E-cadherin) during metastatic colonization of distant sites. On the other hand, downregulation of p120 in the primary tumor enhanced metastatic dissemination indirectly via pro-metastatic conditioning of the tumor microenvironment.
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Affiliation(s)
- Sarah J Kurley
- Department of Cancer Biology, Vanderbilt University, Nashville, TN 37232, USA
| | - Verena Tischler
- Institute of Surgical Pathology, University Hospital Zurich, Zurich, 8091, Switzerland
| | - Brian Bierie
- Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA
| | - Sergey V Novitskiy
- Department of Cancer Biology, Vanderbilt University, Nashville, TN 37232, USA
| | - Aurelia Noske
- Institute of Surgical Pathology, University Hospital Zurich, Zurich, 8091, Switzerland
| | - Zsuzsanna Varga
- Institute of Surgical Pathology, University Hospital Zurich, Zurich, 8091, Switzerland
| | - Ursina Zürrer-Härdi
- Institute of Surgical Pathology, University Hospital Zurich, Zurich, 8091, Switzerland
| | - Simone Brandt
- Institute of Surgical Pathology, University Hospital Zurich, Zurich, 8091, Switzerland
| | - Robert H Carnahan
- Department of Pediatrics, Vanderbilt University, Nashville, TN 37232, USA
- Goodman Cancer Centre, Montreal, Quebec, H3A 1A3, Canada
| | - Rebecca S Cook
- Department of Cancer Biology, Vanderbilt University, Nashville, TN 37232, USA
| | - William J Muller
- Goodman Cancer Centre, Montreal, Quebec, H3A 1A3, Canada
- Departments of Biochemistry and Medicine, McGill University, Montreal, Quebec, H3A OG4, Canada
| | - Ann Richmond
- Department of Cancer Biology, Vanderbilt University, Nashville, TN 37232, USA
- Vanderbilt-Ingram Cancer Center, Nashville, TN 37232, USA
| | - Albert B Reynolds
- Department of Cancer Biology, Vanderbilt University, Nashville, TN 37232, USA
- Vanderbilt-Ingram Cancer Center, Nashville, TN 37232, USA
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18
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Pramod N, Nigam A, Basree M, Mawalkar R, Mehra S, Shinde N, Tozbikian G, Williams N, Majumder S, Ramaswamy B. Comprehensive Review of Molecular Mechanisms and Clinical Features of Invasive Lobular Cancer. Oncologist 2021; 26:e943-e953. [PMID: 33641217 DOI: 10.1002/onco.13734] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 02/12/2021] [Indexed: 12/15/2022] Open
Abstract
Invasive lobular carcinoma (ILC) accounts for 10% to 15% of breast cancers in the United States, 80% of which are estrogen receptor (ER)-positive, with an unusual metastatic pattern of spread to sites such as the serosa, meninges, and ovaries, among others. Lobular cancer presents significant challenges in detection and clinical management given its multifocality and multicentricity at presentation. Despite the unique features of ILC, it is often lumped with hormone receptor-positive invasive ductal cancers (IDC); consequently, ILC screening, treatment, and follow-up strategies are largely based on data from IDC. Despite both being treated as ER-positive breast cancer, querying the Cancer Genome Atlas database shows distinctive molecular aberrations in ILC compared with IDC, such as E-cadherin loss (66% vs. 3%), FOXA1 mutations (7% vs. 2%), and GATA3 mutations (5% vs. 20%). Moreover, compared with patients with IDC, patients with ILC are less likely to undergo breast-conserving surgery, with lower rates of complete response following therapy as these tumors are less chemosensitive. Taken together, this suggests that ILC is biologically distinct, which may influence tumorigenesis and therapeutic strategies. Long-term survival and clinical outcomes in patients with ILC are worse than in stage- and grade-matched patients with IDC; therefore, nuanced criteria are needed to better define treatment goals and protocols tailored to ILC's unique biology. This comprehensive review highlights the histologic and clinicopathologic features that distinguish ILC from IDC, with an in-depth discussion of ILC's molecular alterations and biomarkers, clinical trials and treatment strategies, and future targets for therapy. IMPLICATIONS FOR PRACTICE: The majority of invasive lobular breast cancers (ILCs) are hormone receptor (HR)-positive and low grade. Clinically, ILC is treated similar to HR-positive invasive ductal cancer (IDC). However, ILC differs distinctly from IDC in its clinicopathologic characteristics and molecular alterations. ILC also differs in response to systemic therapy, with studies showing ILC as less sensitive to chemotherapy. Patients with ILC have worse clinical outcomes with late recurrences. Despite these differences, clinical trials treat HR-positive breast cancers as a single disease, and there is an unmet need for studies addressing the unique challenges faced by patients diagnosed with ILC.
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Affiliation(s)
- Nikhil Pramod
- Stefanie Spielman Comprehensive Breast Center, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Akanksha Nigam
- Stefanie Spielman Comprehensive Breast Center, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Mustafa Basree
- University of Pikeville Kentucky College of Osteopathic Medicine, Pikeville, Kentucky, USA
| | - Resham Mawalkar
- Stefanie Spielman Comprehensive Breast Center, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Saba Mehra
- University of Toledo - Health Science Campus, Toledo, Ohio, USA
| | - Neelam Shinde
- Stefanie Spielman Comprehensive Breast Center, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Gary Tozbikian
- Stefanie Spielman Comprehensive Breast Center, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Nicole Williams
- Stefanie Spielman Comprehensive Breast Center, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Sarmila Majumder
- Stefanie Spielman Comprehensive Breast Center, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Bhuvaneswari Ramaswamy
- Stefanie Spielman Comprehensive Breast Center, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
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19
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Chen F, Ding K, Priedigkeit N, Elangovan A, Levine KM, Carleton N, Savariau L, Atkinson JM, Oesterreich S, Lee AV. Single-Cell Transcriptomic Heterogeneity in Invasive Ductal and Lobular Breast Cancer Cells. Cancer Res 2021; 81:268-281. [PMID: 33148662 PMCID: PMC7856056 DOI: 10.1158/0008-5472.can-20-0696] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 07/14/2020] [Accepted: 10/29/2020] [Indexed: 11/16/2022]
Abstract
Invasive lobular breast carcinoma (ILC), one of the major breast cancer histologic subtypes, exhibits unique features compared with the well-studied ductal cancer subtype (IDC). The pathognomonic feature of ILC is loss of E-cadherin, mainly caused by inactivating mutations, but the contribution of this genetic alteration to ILC-specific molecular characteristics remains largely understudied. To profile these features transcriptionally, we conducted single-cell RNA sequencing on a panel of IDC and ILC cell lines, and an IDC cell line (T47D) with CRISPR-Cas9-mediated E-cadherin knockout (KO). Inspection of intracell line heterogeneity illustrated genetically and transcriptionally distinct subpopulations in multiple cell lines and highlighted rare populations of MCF7 cells highly expressing an apoptosis-related signature, positively correlated with a preadaptation signature to estrogen deprivation. Investigation of E-cadherin KO-induced alterations showed transcriptomic membranous systems remodeling, elevated resemblance to ILCs in regulon activation, and increased sensitivity to IFNγ-mediated growth inhibition via activation of IRF1. This study reveals single-cell transcriptional heterogeneity in breast cancer cell lines and provides a resource to identify drivers of cancer progression and drug resistance. SIGNIFICANCE: This study represents a key step towards understanding heterogeneity in cancer cell lines and the role of E-cadherin depletion in contributing to the molecular features of invasive lobular breast carcinoma.
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MESH Headings
- Antigens, CD/genetics
- Antigens, CD/metabolism
- Biomarkers, Tumor/genetics
- Breast Neoplasms/genetics
- Breast Neoplasms/pathology
- Cadherins/antagonists & inhibitors
- Cadherins/genetics
- Cadherins/metabolism
- Carcinoma, Ductal, Breast/genetics
- Carcinoma, Ductal, Breast/pathology
- Carcinoma, Lobular/genetics
- Carcinoma, Lobular/pathology
- Female
- Gene Expression Regulation, Neoplastic
- Humans
- Mutation
- Prognosis
- Single-Cell Analysis/methods
- Transcriptome
- Tumor Cells, Cultured
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Affiliation(s)
- Fangyuan Chen
- Women's Cancer Research Center, UPMC Hillman Cancer Center, Magee-Womens Research Institute, Pittsburgh, Pennsylvania
- School of Medicine, Tsinghua University, Beijing, China
| | - Kai Ding
- Women's Cancer Research Center, UPMC Hillman Cancer Center, Magee-Womens Research Institute, Pittsburgh, Pennsylvania
- Integrative Systems Biology Program, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Nolan Priedigkeit
- Women's Cancer Research Center, UPMC Hillman Cancer Center, Magee-Womens Research Institute, Pittsburgh, Pennsylvania
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Ashuvinee Elangovan
- Women's Cancer Research Center, UPMC Hillman Cancer Center, Magee-Womens Research Institute, Pittsburgh, Pennsylvania
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Kevin M Levine
- Women's Cancer Research Center, UPMC Hillman Cancer Center, Magee-Womens Research Institute, Pittsburgh, Pennsylvania
- Medical Scientist Training Program, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Neil Carleton
- Women's Cancer Research Center, UPMC Hillman Cancer Center, Magee-Womens Research Institute, Pittsburgh, Pennsylvania
- Medical Scientist Training Program, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Laura Savariau
- Women's Cancer Research Center, UPMC Hillman Cancer Center, Magee-Womens Research Institute, Pittsburgh, Pennsylvania
- Department of Human Genetics, University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania
| | - Jennifer M Atkinson
- Women's Cancer Research Center, UPMC Hillman Cancer Center, Magee-Womens Research Institute, Pittsburgh, Pennsylvania
| | - Steffi Oesterreich
- Women's Cancer Research Center, UPMC Hillman Cancer Center, Magee-Womens Research Institute, Pittsburgh, Pennsylvania
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Adrian V Lee
- Women's Cancer Research Center, UPMC Hillman Cancer Center, Magee-Womens Research Institute, Pittsburgh, Pennsylvania.
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
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20
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Gao HF, Zhang JS, Zhang QZ, Zhu T, Yang CQ, Zhang LL, Yang M, Ji F, Li JQ, Cheng MY, Niu G, Wang K. Peritoneal Metastasis After Treated With Abemaciclib Plus Fulvestrant for Metastatic Invasive Lobular Breast Cancer: A Case Report and Review of the Literature. Front Endocrinol (Lausanne) 2021; 12:659537. [PMID: 34690920 PMCID: PMC8531720 DOI: 10.3389/fendo.2021.659537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 08/31/2021] [Indexed: 02/05/2023] Open
Abstract
Peritoneal metastases from invasive lobular carcinoma (ILC) of breast are uncommon and usually related to poor prognosis due to difficulty of detection in clinical practice and drug resistance. Therefore, recognizing the entities of peritoneal metastases of ILC and the potential mechanism of drug resistance is of great significance for early detection and providing accurate management. We herein report a case of a 60-year-old female who presented with nausea and vomiting as the first manifestation after treated with abemaciclib (a CDK4/6 inhibitor) plus fulvestrant for 23 months due to bone metastasis of ILC. Exploratory laparotomy found multiple nodules in the peritoneum and omentum, and immunohistochemistry confirmed that the peritoneal metastatic lesions were consistent with ILC. Palliative therapy was initiated, but the patient died two months later due to disease progression with malignant ascites. Whole exome sequencing (WES) was used to detect the tumor samples and showed the peritoneal metastatic lesions had acquired ESR1 and PI3KCA mutations, potentially explaining the mechanism of endocrine therapy resistance. We argue that early diagnosis of peritoneal metastasis from breast cancer is crucial for prompt and adequate treatment and WES might be an effective supplementary technique for detection of potential gene mutations and providing accurate treatment for metastatic breast cancer patients.
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Affiliation(s)
- Hong-Fei Gao
- Department of Breast Cancer, Cancer Center, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Jun-Sheng Zhang
- Department of Breast Cancer, Cancer Center, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Shantou University Medical College, Shantou, China
| | | | - Teng Zhu
- Department of Breast Cancer, Cancer Center, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Ci-Qiu Yang
- Department of Breast Cancer, Cancer Center, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Liu-Lu Zhang
- Department of Breast Cancer, Cancer Center, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Mei Yang
- Department of Breast Cancer, Cancer Center, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Fei Ji
- Department of Breast Cancer, Cancer Center, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Jie-Qing Li
- Department of Breast Cancer, Cancer Center, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Min-Yi Cheng
- Department of Breast Cancer, Cancer Center, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Gang Niu
- Phil Rivers Technology, Beijing, China
| | - Kun Wang
- Department of Breast Cancer, Cancer Center, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Shantou University Medical College, Shantou, China
- *Correspondence: Kun Wang,
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21
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Apocrine Variant of Pleomorphic Lobular Carcinoma In Situ: Further Clinical, Histopathologic, Immunohistochemical, and Molecular Characterization of an Emerging Entity. Am J Surg Pathol 2020; 44:1092-1103. [PMID: 32317606 DOI: 10.1097/pas.0000000000001493] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
To date, the apocrine variant of lobular carcinoma in situ (AP-LCIS) has been cursorily described as a subtype of lobular carcinoma in situ (LCIS). We retrospectively reviewed 34 cases of AP-LCIS (including 23 associated with invasive lobular carcinoma) to fully characterize it. AP-LCIS typically presented with screen-detected calcifications in older women (mean age: 65 y) and was characterized by distended terminal duct lobular units with relatively large "pleomorphic" cells, central necrosis, and calcifications. AP-LCIS cells exhibited abundant eosinophilic occasionally granular cytoplasm, hyperchromatic nuclei, and prominent nucleoli. Synchronous classic and/or florid LCIS was identified in 24/34 (70%) AP-LCIS, and in 9/11 (82%) pure AP-LCIS. Most (68%) cases of AP-LCIS were estrogen receptor-positive (50% strongly), 35% were progesterone receptor-positive, 26% were human epidermal growth factor 2-positive, 18% demonstrated high-proliferation rate (Ki67: >15%), and 90% were androgen receptor-positive. Aurora kinase A, immunoreactive in 38% of AP-LCIS cases, was not significantly associated with recurrence, development of invasion, or nodal positivity (P>0.05). Compared with conventional (nonapocrine) pleomorphic lobular carcinoma in situ (P-LCIS), aurora kinase A was expressed in a significantly greater proportion of P-LCIS (100%). AP-LCIS and P-LCIS did not otherwise differ in clinicopathologic features. Next-generation sequencing utilizing the Oncomine Comprehensive Panel v2, performed on 27 AP-LCIS cases, showed no specific molecular findings. In a mean follow-up of 57 months, 2 (of 11, 18%) pure AP-LCIS cases recurred (2 both in situ and invasive) and none metastasized or proved fatal. AP-LCIS should be regarded as another high-grade LCIS similar to P-LCIS in many respects, and pending additional studies should be managed similarly.
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22
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Tasdemir N, Ding K, Savariau L, Levine KM, Du T, Elangovan A, Bossart EA, Lee AV, Davidson NE, Oesterreich S. Proteomic and transcriptomic profiling identifies mediators of anchorage-independent growth and roles of inhibitor of differentiation proteins in invasive lobular carcinoma. Sci Rep 2020; 10:11487. [PMID: 32661241 PMCID: PMC7359337 DOI: 10.1038/s41598-020-68141-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 06/19/2020] [Indexed: 12/11/2022] Open
Abstract
Invasive lobular carcinoma (ILC) is a histological subtype of breast cancer with distinct molecular and clinical features from the more common subtype invasive ductal carcinoma (IDC). ILC cells exhibit anchorage-independent growth in ultra-low attachment (ULA) suspension cultures, which is largely attributed to the loss of E-cadherin. In addition to anoikis resistance, herein we show that human ILC cell lines exhibit enhanced cell proliferation in ULA cultures as compared to IDC cells. Proteomic comparison of ILC and IDC cell lines identified induction of PI3K/Akt and p90-RSK pathways specifically in ULA culture in ILC cells. Further transcriptional profiling uncovered unique upregulation of the inhibitors of differentiation family transcription factors ID1 and ID3 in ILC ULA culture, the knockdown of which diminished the anchorage-independent growth of ILC cell lines through cell cycle arrest. We find that ID1 and ID3 expression is higher in human ILC tumors as compared to IDC, correlated with worse prognosis uniquely in patients with ILC and associated with upregulation of angiogenesis and matrisome-related genes. Altogether, our comprehensive study of anchorage independence in human ILC cell lines provides mechanistic insights and clinical implications for metastatic dissemination of ILC and implicates ID1 and ID3 as novel drivers and therapeutic targets for lobular breast cancer.
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Affiliation(s)
- Nilgun Tasdemir
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, 204 Craft Avenue, Pittsburgh, PA, 15213, USA
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA
| | - Kai Ding
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, 204 Craft Avenue, Pittsburgh, PA, 15213, USA
- Integrative Systems Biology Program, University of Pittsburgh, Pittsburgh, PA, USA
| | - Laura Savariau
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, 204 Craft Avenue, Pittsburgh, PA, 15213, USA
- Department of Human Genetics, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA, 15261, USA
| | - Kevin M Levine
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, 204 Craft Avenue, Pittsburgh, PA, 15213, USA
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15261, USA
| | - Tian Du
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, 204 Craft Avenue, Pittsburgh, PA, 15213, USA
- School of Medicine, Tsinghua University, Beijing, 100084, China
| | - Ashuvinee Elangovan
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, 204 Craft Avenue, Pittsburgh, PA, 15213, USA
- Molecular Genetics and Developmental Biology Graduate Program, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA
| | - Emily A Bossart
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, 204 Craft Avenue, Pittsburgh, PA, 15213, USA
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA
| | - Adrian V Lee
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, 204 Craft Avenue, Pittsburgh, PA, 15213, USA
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA
| | - Nancy E Davidson
- Fred Hutchinson Cancer Center, Seattle, WA, 98109, USA
- University of Washington, Seattle, WA, 98195, USA
| | - Steffi Oesterreich
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, 204 Craft Avenue, Pittsburgh, PA, 15213, USA.
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA.
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23
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Schipper K, Drenth AP, van der Burg E, Cornelissen S, Klarenbeek S, Nethe M, Jonkers J. Truncated ASPP2 Drives Initiation and Progression of Invasive Lobular Carcinoma via Distinct Mechanisms. Cancer Res 2020; 80:1486-1497. [PMID: 32060147 DOI: 10.1158/0008-5472.can-19-3607] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 12/21/2019] [Accepted: 02/03/2020] [Indexed: 12/14/2022]
Abstract
Invasive lobular carcinoma (ILC) accounts for 8%-14% of all breast cancer cases. The main hallmark of ILCs is the functional loss of the cell-cell adhesion protein E-cadherin. Nonetheless, loss of E-cadherin alone does not predispose mice to mammary tumor development, indicating that additional perturbations are required for ILC formation. Previously, we identified an N-terminal truncation variant of ASPP2 (t-ASPP2) as a driver of ILC in mice with mammary-specific loss of E-cadherin. Here we showed that expression of t-ASPP2 induced actomyosin relaxation, enabling adhesion and survival of E-cadherin-deficient murine mammary epithelial cells on stiff matrices like fibrillar collagen. The induction of actomyosin relaxation by t-ASPP2 was dependent on its interaction with protein phosphatase 1, but not on t-ASPP2-induced YAP activation. Truncated ASPP2 collaborated with both E-cadherin loss and PI3K pathway activation via PTEN loss in ILC development. t-ASPP2-induced actomyosin relaxation was required for ILC initiation, but not progression. Conversely, YAP activation induced by t-ASPP2 contributed to tumor growth and progression while being dispensable for tumor initiation. Together, these findings highlight two distinct mechanisms through which t-ASPP2 promotes ILC initiation and progression. SIGNIFICANCE: Truncated ASPP2 cooperates with E-cadherin and PTEN loss to drive breast cancer initiation and progression via two distinct mechanisms. ASPP2-induced actomyosin relaxation drives tumor initiation, while ASPP2-mediated YAP activation enhances tumor progression.
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Affiliation(s)
- Koen Schipper
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Anne Paulien Drenth
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Eline van der Burg
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Samuel Cornelissen
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Sjoerd Klarenbeek
- Experimental Animal Pathology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Micha Nethe
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, the Netherlands.
| | - Jos Jonkers
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, the Netherlands.
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24
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Cornelissen LM, Drenth AP, van der Burg E, de Bruijn R, Pritchard CEJ, Huijbers IJ, Zwart W, Jonkers J. TRPS1 acts as a context-dependent regulator of mammary epithelial cell growth/differentiation and breast cancer development. Genes Dev 2019; 34:179-193. [PMID: 31879358 PMCID: PMC7000918 DOI: 10.1101/gad.331371.119] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 12/04/2019] [Indexed: 12/31/2022]
Abstract
In this study, Cornelissen et al. set out to elucidate the role of the GATA-type zinc finger transcription factor TRPS1 in breast cancer. Using in vitro and in vivo loss-of-function approaches, the authors demonstrate that TRPS1 can function as a context-dependent tumor suppressor in breast cancer, while being essential for growth and differentiation of normal mammary epithelial cells. The GATA-type zinc finger transcription factor TRPS1 has been implicated in breast cancer. However, its precise role remains unclear, as both amplifications and inactivating mutations in TRPS1 have been reported. Here, we used in vitro and in vivo loss-of-function approaches to dissect the role of TRPS1 in mammary gland development and invasive lobular breast carcinoma, which is hallmarked by functional loss of E-cadherin. We show that TRPS1 is essential in mammary epithelial cells, since TRPS1-mediated suppression of interferon signaling promotes in vitro proliferation and lactogenic differentiation. Similarly, TRPS1 expression is indispensable for proliferation of mammary organoids and in vivo survival of luminal epithelial cells during mammary gland development. However, the consequences of TRPS1 loss are dependent on E-cadherin status, as combined inactivation of E-cadherin and TRPS1 causes persistent proliferation of mammary organoids and accelerated mammary tumor formation in mice. Together, our results demonstrate that TRPS1 can function as a context-dependent tumor suppressor in breast cancer, while being essential for growth and differentiation of normal mammary epithelial cells.
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Affiliation(s)
- Lisette M Cornelissen
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands.,Oncode Institute, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands
| | - Anne Paulien Drenth
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands.,Oncode Institute, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands
| | - Eline van der Burg
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands.,Oncode Institute, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands
| | - Roebi de Bruijn
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands.,Oncode Institute, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands.,Division of Molecular Carcinogenesis, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands
| | - Colin E J Pritchard
- Transgenic Core Facility, Mouse Clinic for Cancer and Aging (MCCA), The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands
| | - Ivo J Huijbers
- Transgenic Core Facility, Mouse Clinic for Cancer and Aging (MCCA), The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands
| | - Wilbert Zwart
- Oncode Institute, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands.,Division of Oncogenomics, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands.,Laboratory of Chemical Biology, Institute for Complex Molecular Systems, Department of Biomedical Engineering, Eindhoven University of Technology, 5600 MB Eindhoven, the Netherlands
| | - Jos Jonkers
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands.,Oncode Institute, The Netherlands Cancer Institute, 1066 CX Amsterdam, the Netherlands
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25
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Cornelissen LM, Henneman L, Drenth AP, Schut E, de Bruijn R, Klarenbeek S, Zwart W, Jonkers J. Exogenous ERα Expression in the Mammary Epithelium Decreases Over Time and Does Not Contribute to p53-Deficient Mammary Tumor Formation in Mice. J Mammary Gland Biol Neoplasia 2019; 24:305-321. [PMID: 31729597 DOI: 10.1007/s10911-019-09437-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 10/09/2019] [Indexed: 12/09/2022] Open
Abstract
Approximately 75% of all breast cancers express the nuclear hormone receptor estrogen receptor α (ERα). However, the majority of mammary tumors from genetically engineered mouse models (GEMMs) are ERα-negative. To model ERα-positive breast cancer in mice, we exogenously introduced expression of mouse and human ERα in an existing GEMM of p53-deficient breast cancer. After initial ERα expression during mammary gland development, expression was reduced or lost in adult glands and p53-deficient mammary tumors. Chromatin immunoprecipitation (ChIP)-sequencing analysis of primary mouse mammary epithelial cells (MMECs) derived from these models, in which expression of the ERα constructs was induced in vitro, confirmed interaction of ERα with the DNA. In human breast and endometrial cancer, and also in healthy breast tissue, DNA binding of ERα is facilitated by the pioneer factor FOXA1. Surprisingly, the ERα binding sites identified in primary MMECs, but also in mouse mammary gland and uterus, showed an high enrichment of ERE motifs, but were devoid of Forkhead motifs. Furthermore, exogenous introduction of FOXA1 and GATA3 in ERα-expressing MMECs was not sufficient to promote ERα-responsiveness of these cells. Together, this suggests that species-specific differences in pioneer factor usage between mouse and human are dictated by the DNA sequence, resulting in ERα-dependencies in mice that are not FOXA1 driven. These species-specific differences in ERα-biology may limit the utility of mice for in vivo modeling of ERα-positive breast cancer.
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Affiliation(s)
- Lisette M Cornelissen
- Division of Molecular Pathology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX, Amsterdam, The Netherlands
| | - Linda Henneman
- Division of Molecular Pathology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX, Amsterdam, The Netherlands
- Mouse Clinic for Cancer and Aging - Transgenic facility, The Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam, 1066CX, The Netherlands
| | - Anne Paulien Drenth
- Division of Molecular Pathology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX, Amsterdam, The Netherlands
| | - Eva Schut
- Division of Molecular Pathology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX, Amsterdam, The Netherlands
| | - Roebi de Bruijn
- Division of Molecular Pathology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX, Amsterdam, The Netherlands
- Division of Molecular Carcinogenisis, Oncode Institute, The Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam, 1066CX, The Netherlands
| | - Sjoerd Klarenbeek
- Experimental Animal Pathology, The Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam, 1066CX, The Netherlands
| | - Wilbert Zwart
- Division of Oncogenomics, Oncode Institute, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX, Amsterdam, The Netherlands.
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems, Department of Biomedical Engineering, Eindhoven University of Technology, PO Box 513, Eindhoven, The Netherlands.
| | - Jos Jonkers
- Division of Molecular Pathology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066CX, Amsterdam, The Netherlands.
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Walsh L, Haley KE, Moran B, Mooney B, Tarrant F, Madden SF, Di Grande A, Fan Y, Das S, Rueda OM, Dowling CM, Varešlija D, Chin SF, Linn S, Young LS, Jirström K, Crown JP, Bernards R, Caldas C, Gallagher WM, O'Connor DP, Ní Chonghaile T. BET Inhibition as a Rational Therapeutic Strategy for Invasive Lobular Breast Cancer. Clin Cancer Res 2019; 25:7139-7150. [PMID: 31409615 DOI: 10.1158/1078-0432.ccr-19-0713] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 06/13/2019] [Accepted: 08/07/2019] [Indexed: 11/16/2022]
Abstract
PURPOSE Invasive lobular carcinoma (ILC) is a subtype of breast cancer accounting for 10% of breast tumors. The majority of patients are treated with endocrine therapy; however, endocrine resistance is common in estrogen receptor-positive breast cancer and new therapeutic strategies are needed. Bromodomain and extraterminal inhibitors (BETi) are effective in diverse types of breast cancer but they have not yet been assessed in ILC. EXPERIMENTAL DESIGN We assessed whether targeting the BET proteins with JQ1 could serve as an effective therapeutic strategy in ILC in both 2D and 3D models. We used dynamic BH3 profiling and RNA-sequencing (RNA-seq) to identify transcriptional reprograming enabling resistance to JQ1-induced apoptosis. As part of the RATHER study, we obtained copy-number alterations and RNA-seq on 61 ILC patient samples. RESULTS Certain ILC cell lines were sensitive to JQ1, while others were intrinsically resistant to JQ1-induced apoptosis. JQ1 treatment led to an enhanced dependence on antiapoptotic proteins and a transcriptional rewiring inducing fibroblast growth factor receptor 1 (FGFR1). This increase in FGFR1 was also evident in invasive ductal carcinoma (IDC) cell lines. The combination of JQ1 and FGFR1 inhibitors was highly effective at inhibiting growth in both 2D and 3D models of ILC and IDC. Interestingly, we found in the RATHER cohort of 61 ILC patients that 20% had FGFR1 amplification and we showed that high BRD3 mRNA expression was associated with poor survival specifically in ILC. CONCLUSIONS We provide evidence that BETi either alone or in combination with FGFR1 inhibitors or BH3 mimetics may be a useful therapeutic strategy for recurrent ILC patients.
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Affiliation(s)
- Louise Walsh
- Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Kathryn E Haley
- Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Bruce Moran
- UCD School of Biomolecular and Biomedical Science, UCD Conway Institute, University College Dublin, Belfield, Dublin, Ireland
| | - Brian Mooney
- Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Finbarr Tarrant
- UCD School of Biomolecular and Biomedical Science, UCD Conway Institute, University College Dublin, Belfield, Dublin, Ireland
| | - Stephen F Madden
- Data Science Centre, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Alessandra Di Grande
- Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Yue Fan
- UCD School of Biomolecular and Biomedical Science, UCD Conway Institute, University College Dublin, Belfield, Dublin, Ireland
| | - Sudipto Das
- Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Oscar M Rueda
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge, UK
| | - Catríona M Dowling
- Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Damir Varešlija
- Endocrine Oncology Research Group, Department of Surgery, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Suet-Feung Chin
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge, UK
| | - Sabine Linn
- Division of Molecular Pathology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Leonie S Young
- Endocrine Oncology Research Group, Department of Surgery, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Karin Jirström
- Division of Oncology and Pathology, Department of Clinical Sciences, Lund University, Lund, Sweden
| | | | - Rene Bernards
- Division of Molecular Carcinogenesis, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Carlos Caldas
- Department of Oncology, University of Cambridge, Addenbrooke's Hospital, Hills Road, Cambridge, England
| | - William M Gallagher
- UCD School of Biomolecular and Biomedical Science, UCD Conway Institute, University College Dublin, Belfield, Dublin, Ireland
| | - Darran P O'Connor
- Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, Dublin, Ireland.
| | - Tríona Ní Chonghaile
- Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin, Ireland
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Rebalancing of actomyosin contractility enables mammary tumor formation upon loss of E-cadherin. Nat Commun 2019; 10:3800. [PMID: 31444332 PMCID: PMC6707221 DOI: 10.1038/s41467-019-11716-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 08/01/2019] [Indexed: 01/21/2023] Open
Abstract
E-cadherin (CDH1) is a master regulator of epithelial cell adherence junctions and a well-established tumor suppressor in Invasive Lobular Carcinoma (ILC). Intriguingly, somatic inactivation of E-cadherin alone in mouse mammary epithelial cells (MMECs) is insufficient to induce tumor formation. Here we show that E-cadherin loss induces extrusion of luminal MMECs to the basal lamina. Remarkably, E-cadherin-deficient MMECs can breach the basal lamina but do not disseminate into the surrounding fat pad. Basal lamina components laminin and collagen IV supported adhesion and survival of E-cadherin-deficient MMECs while collagen I, the principle component of the mammary stromal micro-environment did not. We uncovered that relaxation of actomyosin contractility mediates adhesion and survival of E-cadherin-deficient MMECs on collagen I, thereby allowing ILC development. Together, these findings unmask the direct consequences of E-cadherin inactivation in the mammary gland and identify aberrant actomyosin contractility as a critical barrier to ILC formation.
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Abstract
Breast cancer is the leading cause of cancer deaths amongst American women aged 20 to 59. While the incidence of breast cancer has been increasing, its mortality rates have significantly declined from 1989 to 2016. As a result, the number of survivors considerably increased. This impacts the detection and management of recurrences. Peritoneal metastases from breast cancer is a rare and challenging clinical presentation. There is a lack of knowledge syntheses and specific recommendations for the management of breast cancer peritoneal metastases. This review aims to determine the pattern of spread, prognosis, diagnosis, and role of surgery in this subset of patients. Relevant studies were searched in PubMed and Web of Science between April and June 2019. Included studies were written in English and reported data on breast cancer peritoneal or gastrointestinal metastases. Articles published before 1990, case reports, editorials, and articles with no full text available were excluded. Data abstraction was performed for citation information, population, sample, methods, relevant results, mentioned limitations, and study design. The search identified 505 unique reports. A total of 21 articles were included in the synthesis. Sixteen articles were observational studies, four were experimental, and one article was a proof-of-concept study. Amongst all observational studies, the diagnostic methods and criteria for breast cancer carcinomatosis were particularly heterogeneous, including ascites cytology, biopsy, surgical exploration, and various computed tomography (CT) findings. The majority of pathology and imaging reports demonstrated that breast cancer peritoneal metastases are mainly associated with invasive lobular carcinoma (ILC) and the following intrinsic subtypes: HER2-enriched, luminal B and basal-like. Experimental studies demonstrated that peritoneal metastases can be studied using breast cancer xenograft models. Somatic loss of both p53 and E-cadherin was associated with ILC peritoneal spread. Studies on prognosis and treatment highlighted that peritoneal metastases were associated with a poorer prognosis than other metastatic sites. In terms of surgical management, there is a paucity of data on the outcomes of hyperthermic intraperitoneal chemotherapy (HIPEC) in these patients. However, included studies suggested a role for cytoreductive surgery in selected patients when there is no residual disease after the procedure. This review summarizes data on the development, diagnosis, prognosis, and treatment of breast cancer peritoneal and gastrointestinal metastases. Patients’ survival is significantly reduced in comparison with other distant metastatic sites. A deeper understanding of the invasion mechanisms and the role of surgery will be important.
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Affiliation(s)
- Michèle Beniey
- Surgery / General Surgery, University of Montreal, Montreal, CAN
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29
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Chen N, Ritsma LMA, Vrisekoop N. In vivo characteristics of human and mouse breast tumor cell lines. Exp Cell Res 2019; 381:86-93. [PMID: 30980788 DOI: 10.1016/j.yexcr.2019.04.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 03/30/2019] [Accepted: 04/07/2019] [Indexed: 11/29/2022]
Abstract
Although two- and three-dimensional in vitro studies of breast tumor cell lines have increased our knowledge on tumor growth and metastasis formation, the complex in vivo microenvironment is not taken into consideration. The goal of our study was to illustrate the in vivo morphology and motility of widely used breast tumor cell lines. Intravital microscopy allows real-time visualization of individual cells inside tissues of living animals. We used this technique to study breast cancer migration in the complex orthotopic microenvironment. More specifically, we characterized cell morphology, cell-cell interactions, polarity and motility of mouse tumor cell lines 4T1 and mILC-1 and human tumor cell lines MDA-MB-231 and T47D. Almost all measured parameters were remarkably heterogeneous even between positions within the same tumor. Migrating tumor cells were circular in all tumor models, indicating predominantly amoeboid motility. This overview of the in vivo characteristics of mouse and human breast tumor cell lines illustrates their heterogeneity and complexity in real life, and additionally exemplifies caution should be taken to extrapolate in vitro assays of tumor invasiveness.
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Affiliation(s)
- Na Chen
- Department of Respiratory Medicine, Laboratory of Translational Immunology, University Medical Center Utrecht, the Netherlands
| | - Laila M A Ritsma
- Department of Molecular Cell Biology, Leiden University Medical Center, the Netherlands
| | - Nienke Vrisekoop
- Department of Respiratory Medicine, Laboratory of Translational Immunology, University Medical Center Utrecht, the Netherlands.
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30
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Tang Y, Yang G, Zhang J, Li X, Zhang C, Wang Y, Xu J, Chen Y, Teng Y, Yang X. E-cadherin is Required for the Homeostasis of Lgr5 + Gastric Antral Stem Cells. Int J Biol Sci 2019; 15:34-43. [PMID: 30662345 PMCID: PMC6329931 DOI: 10.7150/ijbs.28879] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 09/28/2018] [Indexed: 01/02/2023] Open
Abstract
Lgr5-expressing stem cells contribute to the epithelial turnover of the gastric antrum. However, the mechanism controlling the homeostasis of Lgr5+ antral stem cells is not fully understood. Here, we demonstrate the key role of E-cadherin in the homeostasis of Lgr5+ gastric antral stem cells. The deletion of E-cadherin in these cells results in their apoptosis, thereby leading to a marked decrease in their number. A reduced Lgr5+ stem cell pool caused by the loss of E-cadherin impairs gastric antral epithelial homeostasis in vivo and organoid growth in vitro. Furthermore, p53 contributes to the apoptosis of Lgr5+ stem cells following E-cadherin loss, while the simultaneous deletion of p53 rescues the phenotype in E-cadherin mutants. Our study reveals the critical pro-survival function of E-cadherin in Lgr5+ gastric antral stem cells and the key role of the Lgr5+ stem cell pool in the maintenance of gastric epithelial homeostasis.
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Affiliation(s)
- Yuling Tang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Lifeomics, Beijing 102206, China
| | - Guan Yang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Lifeomics, Beijing 102206, China
| | - Jinliang Zhang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Lifeomics, Beijing 102206, China
| | - Xiubin Li
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Lifeomics, Beijing 102206, China
| | - Chong Zhang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Lifeomics, Beijing 102206, China
| | - Yanxiao Wang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Lifeomics, Beijing 102206, China
| | - Jiaqian Xu
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Lifeomics, Beijing 102206, China
| | - Yeguang Chen
- State Key Laboratory of Membrane Biology, College of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Yan Teng
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Lifeomics, Beijing 102206, China
| | - Xiao Yang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Lifeomics, Beijing 102206, China
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31
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Teo K, Gómez-Cuadrado L, Tenhagen M, Byron A, Rätze M, van Amersfoort M, Renes J, Strengman E, Mandoli A, Singh AA, Martens JH, Stunnenberg HG, van Diest PJ, Brunton VG, Derksen PWB. E-cadherin loss induces targetable autocrine activation of growth factor signalling in lobular breast cancer. Sci Rep 2018; 8:15454. [PMID: 30337563 PMCID: PMC6193986 DOI: 10.1038/s41598-018-33525-5] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 09/11/2018] [Indexed: 12/13/2022] Open
Abstract
Despite the fact that loss of E-cadherin is causal to the development and progression of invasive lobular carcinoma (ILC), options to treat this major breast cancer subtype are limited if tumours develop resistance to anti-oestrogen treatment regimens. This study aimed to identify clinically targetable pathways that are aberrantly active downstream of E-cadherin loss in ILC. Using a combination of reverse-phase protein array (RPPA) analyses, mRNA sequencing, conditioned medium growth assays and CRISPR/Cas9-based knock-out experiments, we demonstrate that E-cadherin loss causes increased responsiveness to autocrine growth factor receptor (GFR)-dependent activation of phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3K)/Akt signalling. Autocrine activation of GFR signalling and its downstream PI3K/Akt hub was independent of oncogenic mutations in PIK3CA, AKT1 or PTEN. Analyses of human ILC samples confirmed growth factor production and pathway activity. Pharmacological inhibition of Akt using AZD5363 or MK2206 resulted in robust inhibition of cell growth and survival of ILC cells, and impeded tumour growth in a mouse ILC model. Because E-cadherin loss evokes hypersensitisation of PI3K/Akt activation independent of oncogenic mutations in this pathway, we propose clinical intervention of PI3K/Akt in ILC based on functional E-cadherin inactivation, irrespective of activating pathway mutations.
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Affiliation(s)
- Katy Teo
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Laura Gómez-Cuadrado
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Milou Tenhagen
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Adam Byron
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Max Rätze
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Jojanneke Renes
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Eric Strengman
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Amit Mandoli
- Department of Molecular Biology, Faculty of Science, Nijmegen Centre for Molecular Life Sciences, Radboud University, Nijmegen, The Netherlands
| | - Abhishek A Singh
- Department of Molecular Biology, Faculty of Science, Nijmegen Centre for Molecular Life Sciences, Radboud University, Nijmegen, The Netherlands
| | - Joost H Martens
- Department of Molecular Biology, Faculty of Science, Nijmegen Centre for Molecular Life Sciences, Radboud University, Nijmegen, The Netherlands
| | - Hendrik G Stunnenberg
- Department of Molecular Biology, Faculty of Science, Nijmegen Centre for Molecular Life Sciences, Radboud University, Nijmegen, The Netherlands
| | - Paul J van Diest
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Valerie G Brunton
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom.
| | - Patrick W B Derksen
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands.
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32
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An Y, Adams JR, Hollern DP, Zhao A, Chang SG, Gams MS, Chung PED, He X, Jangra R, Shah JS, Yang J, Beck LA, Raghuram N, Kozma KJ, Loch AJ, Wang W, Fan C, Done SJ, Zacksenhaus E, Guidos CJ, Perou CM, Egan SE. Cdh1 and Pik3ca Mutations Cooperate to Induce Immune-Related Invasive Lobular Carcinoma of the Breast. Cell Rep 2018; 25:702-714.e6. [PMID: 30332649 PMCID: PMC6276789 DOI: 10.1016/j.celrep.2018.09.056] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 06/15/2018] [Accepted: 09/17/2018] [Indexed: 11/20/2022] Open
Abstract
CDH1 and PIK3CA are the two most frequently mutated genes in invasive lobular carcinoma (ILC) of the breast. Transcription profiling has identified molecular subtypes for ILC, one of which, immune-related (IR), is associated with gene expression linked to lymphocyte and macrophage infiltration. Here, we report that deletion of Cdh1, together with activation of Pik3ca in mammary epithelium of genetically modified mice, leads to formation of IR-ILC-like tumors with immune cell infiltration, as well as gene expression linked to T-regulatory (Treg) cell signaling and activation of targetable immune checkpoint pathways. Interestingly, these tumors show enhanced Rac1- and Yap-dependent transcription and signaling, as well as sensitivity to PI3K, Rac1, and Yap inhibitors in culture. Finally, high-dimensional immunophenotyping in control mouse mammary gland and IR-ILC tumors by mass cytometry shows dramatic alterations in myeloid and lymphoid populations associated with immune suppression and exhaustion, highlighting the potential for therapeutic intervention via immune checkpoint regulators.
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Affiliation(s)
- Yeji An
- Program in Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Jessica R Adams
- Program in Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada
| | - Daniel P Hollern
- Lineberger Comprehensive Cancer Center, Departments of Genetics and Pathology, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Anthony Zhao
- Program in Developmental and Stem Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada; Department of Immunology, University of Toronto, Toronto, ON, Canada
| | - Stephen G Chang
- Program in Developmental and Stem Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada; Department of Immunology, University of Toronto, Toronto, ON, Canada
| | - Miki S Gams
- Program in Developmental and Stem Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada; Department of Immunology, University of Toronto, Toronto, ON, Canada
| | - Philip E D Chung
- Division of Cell and Molecular Biology, Toronto General Research Institute, University Health Network, and Department of Medicine, University of Toronto, Toronto, ON, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Xiaping He
- Lineberger Comprehensive Cancer Center, Departments of Genetics and Pathology, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Rhea Jangra
- Program in Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada
| | - Juhi S Shah
- Program in Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada
| | - Joanna Yang
- Program in Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada
| | - Lauren A Beck
- Program in Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada
| | - Nandini Raghuram
- Program in Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Katelyn J Kozma
- Program in Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Amanda J Loch
- Program in Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada
| | - Wei Wang
- Program in Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada
| | - Cheng Fan
- Lineberger Comprehensive Cancer Center, Departments of Genetics and Pathology, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Susan J Done
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada; The Campbell Family Institute for Breast Cancer Research at the Princess Margaret Cancer Centre and The Laboratory Medicine Program, University Health Network, Toronto, ON, Canada
| | - Eldad Zacksenhaus
- Division of Cell and Molecular Biology, Toronto General Research Institute, University Health Network, and Department of Medicine, University of Toronto, Toronto, ON, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Cynthia J Guidos
- Program in Developmental and Stem Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada; Department of Immunology, University of Toronto, Toronto, ON, Canada
| | - Charles M Perou
- Lineberger Comprehensive Cancer Center, Departments of Genetics and Pathology, University of North Carolina, Chapel Hill, NC 27599, USA.
| | - Sean E Egan
- Program in Cell Biology, The Peter Gilgan Center for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G-0A4, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada.
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33
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Tasdemir N, Bossart EA, Li Z, Zhu L, Sikora MJ, Levine KM, Jacobsen BM, Tseng GC, Davidson NE, Oesterreich S. Comprehensive Phenotypic Characterization of Human Invasive Lobular Carcinoma Cell Lines in 2D and 3D Cultures. Cancer Res 2018; 78:6209-6222. [PMID: 30228172 DOI: 10.1158/0008-5472.can-18-1416] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/15/2018] [Accepted: 09/14/2018] [Indexed: 12/26/2022]
Abstract
Invasive lobular carcinoma (ILC) is the second most common subtype of breast cancer following invasive ductal carcinoma (IDC) and characterized by the loss of E-cadherin-mediated adherens junctions. Despite displaying unique histologic and clinical features, ILC still remains a chronically understudied disease, with limited knowledge gleaned from available laboratory research models. Here we report a comprehensive 2D and 3D phenotypic characterization of four estrogen receptor-positive human ILC cell lines: MDA-MB-134, SUM44, MDA-MB-330, and BCK4. Compared with the IDC cell lines MCF7, T47D, and MDA-MB-231, ultra-low attachment culture conditions revealed remarkable anchorage independence unique to ILC cells, a feature not evident in soft-agar gels. Three-dimensional Collagen I and Matrigel culture indicated a generally loose morphology for ILC cell lines, which exhibited differing preferences for adhesion to extracellular matrix proteins in 2D. Furthermore, ILC cells were limited in their ability to migrate and invade in wound-scratch and transwell assays, with the exception of haptotaxis to Collagen I. Transcriptional comparison of these cell lines confirmed the decreased cell proliferation and E-cadherin-mediated intercellular junctions in ILC while uncovering the induction of novel pathways related to cyclic nucleotide phosphodiesterase activity, ion channels, drug metabolism, and alternative cell adhesion molecules such as N-cadherin, some of which were differentially regulated in ILC versus IDC tumors. Altogether, these studies provide an invaluable resource for the breast cancer research community and facilitate further functional discoveries toward understanding ILC, identifying novel drug targets, and ultimately improving the outcome of patients with ILC.Significance: These findings provide the breast cancer research community with a comprehensive assessment of human invasive lobular carcinoma (ILC) cell line signaling and behavior in various culture conditions, aiding future endeavors to develop therapies and to ultimately improve survival in patients with ILC. Cancer Res; 78(21); 6209-22. ©2018 AACR.
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Affiliation(s)
- Nilgun Tasdemir
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, Pittsburgh, Pennsylvania.,Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Emily A Bossart
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, Pittsburgh, Pennsylvania.,Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Zheqi Li
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, Pittsburgh, Pennsylvania.,Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Li Zhu
- Department of Biostatistics, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Matthew J Sikora
- Dept. of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Kevin M Levine
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, Pittsburgh, Pennsylvania.,Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Britta M Jacobsen
- Dept. of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - George C Tseng
- Department of Biostatistics, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Computational & Systems Biology, Pittsburgh, Pennsylvania
| | - Nancy E Davidson
- Fred Hutchinson Cancer Center, Seattle, Washington.,University of Washington, Seattle, Washington
| | - Steffi Oesterreich
- Women's Cancer Research Center, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center (HCC), Magee-Womens Research Institute, Pittsburgh, Pennsylvania. .,Department of Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
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34
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Pancreatic Exocrine Tissue Architecture and Integrity are Maintained by E-cadherin During Postnatal Development. Sci Rep 2018; 8:13451. [PMID: 30194315 PMCID: PMC6128895 DOI: 10.1038/s41598-018-31603-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 08/21/2018] [Indexed: 12/15/2022] Open
Abstract
Cadherin-mediated cell-cell adhesion plays an important role in organ development and changes in cadherin expression are often linked to morphogenetic and pathogenic events. Cadherins interact with other intracellular components to form adherens junctions (AJs) and provide mechanical attachments between adjacent cells. E-cadherin (Cdh1) represents an integral component of these intercellular junctions. To elucidate the function of E-cadherin in the developing pancreas, we generated and studied pancreas-specific Cdh1-knockout (Cdh1ΔPan/ΔPan) mice. Cdh1ΔPan/ΔPan mice exhibit normal body size at birth, but fail to gain weight and become hypoglycemic soon afterward. We found that E-cadherin is not required for the establishment of apical-basal polarity or pancreatic exocrine cell identity at birth. However, four days after birth, the pancreata of Cdh1ΔPan/ΔPan mutants display progressive deterioration of exocrine architecture and dysregulation of Wnt and YAP signaling. At this time point, the acinar cells of Cdh1ΔPan/ΔPan mutants begin to exhibit ductal phenotypes, suggesting acinar-to-ductal metaplasia (ADM) in the E-cadherin-deficient pancreas. Our findings demonstrate that E-cadherin plays an integral role in the maintenance of exocrine architecture and regulation of homeostatic signaling. The present study provides insights into the involvement of cadherin-mediated cell-cell adhesion in pathogenic conditions such as pancreatitis or pancreatic cancer.
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35
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de Groot JS, Ratze MAK, van Amersfoort M, Eisemann T, Vlug EJ, Niklaas MT, Chin S, Caldas C, van Diest PJ, Jonkers J, de Rooij J, Derksen PWB. αE-catenin is a candidate tumor suppressor for the development of E-cadherin-expressing lobular-type breast cancer. J Pathol 2018; 245:456-467. [PMID: 29774524 PMCID: PMC6055824 DOI: 10.1002/path.5099] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 05/07/2018] [Accepted: 05/15/2018] [Indexed: 12/25/2022]
Abstract
Although mutational inactivation of E-cadherin (CDH1) is the main driver of invasive lobular breast cancer (ILC), approximately 10-15% of all ILCs retain membrane-localized E-cadherin despite the presence of an apparent non-cohesive and invasive lobular growth pattern. Given that ILC is dependent on constitutive actomyosin contraction for tumor development and progression, we used a combination of cell systems and in vivo experiments to investigate the consequences of α-catenin (CTNNA1) loss in the regulation of anchorage independence of non-invasive breast carcinoma. We found that inactivating somatic CTNNA1 mutations in human breast cancer correlated with lobular and mixed ducto-lobular phenotypes. Further, inducible loss of α-catenin in mouse and human E-cadherin-expressing breast cancer cells led to atypical localization of E-cadherin, a rounded cell morphology, and anoikis resistance. Pharmacological inhibition experiments subsequently revealed that, similar to E-cadherin-mutant ILC, anoikis resistance induced by α-catenin loss was dependent on Rho/Rock-dependent actomyosin contractility. Finally, using a transplantation-based conditional mouse model, we demonstrate that inducible inactivation of α-catenin instigates acquisition of lobular features and invasive behavior. We therefore suggest that α-catenin represents a bona fide tumor suppressor for the development of lobular-type breast cancer and as such provides an alternative event to E-cadherin inactivation, adherens junction (AJ) dysfunction, and subsequent constitutive actomyosin contraction. © 2018 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Jolien S de Groot
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Max AK Ratze
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | | | - Tanja Eisemann
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Eva J Vlug
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Mijanou T Niklaas
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Suet‐Feung Chin
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge Department of OncologyUniversity of Cambridge, Addenbrooke's Hospital, Cambridge Experimental Cancer Medicine Centre and NIHR Cambridge Biomedical Research CentreCambridgeUK
| | - Carlos Caldas
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Cambridge Department of OncologyUniversity of Cambridge, Addenbrooke's Hospital, Cambridge Experimental Cancer Medicine Centre and NIHR Cambridge Biomedical Research CentreCambridgeUK
| | - Paul J van Diest
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Jos Jonkers
- Department of Molecular PathologyNetherlands Cancer InstituteAmsterdamThe Netherlands
| | - Johan de Rooij
- Department of Molecular Cancer ResearchUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Patrick WB Derksen
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
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36
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van de Ven M, Liu X, van der Burg E, Klarenbeek S, Alexi X, Zwart W, Dijcks F, Bouwman P, Jonkers J. BRCA1-associated mammary tumorigenesis is dependent on estrogen rather than progesterone signaling. J Pathol 2018; 246:41-53. [PMID: 29877575 DOI: 10.1002/path.5105] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 05/01/2018] [Accepted: 05/25/2018] [Indexed: 12/16/2022]
Abstract
Hereditary breast cancers in BRCA1 mutation carriers are mostly estrogen receptor α (ERα)-negative and progesterone receptor (PR)-negative; however, hormone depletion via bilateral oophorectomy does result in a marked reduction in breast cancer risk, suggesting that BRCA1-associated breast tumorigenesis is dependent on hormone signaling. We used geneticaly engineered mouse models to determine the individual influences of ERα and PR signaling on the development of BRCA1-deficient breast cancer. In line with the human data, BRCA1-deficient mouse mammary tumors are ERα-negative, and bilateral ovariectomy leads to abrogation of mammary tumor development. Hormonal replacement experiments in ovariectomized mice showed that BRCA1-deficient mammary tumor formation is promoted by estrogen but not by progesterone. In line with these data, mammary tumorigenesis was significantly delayed by the selective ERα downregulator fulvestrant, but not by the selective PR antagonist Org33628. Together, our results illustrate that BRCA1-associated tumorigenesis is dependent on estrogen signaling rather than on progesterone signaling, and call into question the utility of PR antagonists as a tumor prevention strategy for BRCA1 mutation carriers. Copyright © 2018 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Marieke van de Ven
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Xiaoling Liu
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Eline van der Burg
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Sjoerd Klarenbeek
- Experimental Animal Pathology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Xanthippi Alexi
- Division of Oncogenomics, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Wilbert Zwart
- Division of Oncogenomics, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Fred Dijcks
- Synthon Biopharmaceuticals B.V, Nijmegen, The Netherlands
| | - Peter Bouwman
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Jos Jonkers
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, The Netherlands
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37
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Kaymak A, Sayols S, Papadopoulou T, Richly H. Role for the transcriptional activator ZRF1 in early metastatic events in breast cancer progression and endocrine resistance. Oncotarget 2018; 9:28666-28690. [PMID: 29983888 DOI: 10.18632/oncotarget.25596] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 05/24/2018] [Indexed: 02/07/2023] Open
Abstract
Breast cancer is one of the most common malignancies among women which is often treated with hormone therapy and chemotherapy. Despite the improvements in detection and treatment of breast cancer, the vast majority of breast cancer patients are diagnosed with metastatic disease either at the beginning of the disease or later during treatment. Still, the molecular mechanisms causing a therapy resistant metastatic breast cancer are still elusive. In the present study we addressed the function of the transcriptional activator ZRF1 during breast cancer progression. We provide evidence that ZRF1 plays an essential role for the early metastatic events in vitro and acts like a tumor suppressor protein during the progression of breast invasive ductal carcinoma into a more advanced stage. Hence, depletion of ZRF1 results in the acquisition of metastatic behavior by facilitating the initiation of the metastatic cascade, notably for cell adhesion, migration and invasion. Furthermore absence of ZRF1 provokes endocrine resistance via misregulation of cell death and cell survival related pathways. Taken together, we have identified ZRF1 as an important regulator of breast cancer progression that holds the potential to be explored for new treatment strategies in the future.
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Affiliation(s)
- Aysegül Kaymak
- Laboratory of Molecular Epigenetics, Institute of Molecular Biology, Mainz, Germany
| | - Sergi Sayols
- Bioinformatics Core Facility, Institute of Molecular Biology, Mainz, Germany
| | - Thaleia Papadopoulou
- Laboratory of Molecular Epigenetics, Institute of Molecular Biology, Mainz, Germany.,Department of Developmental and Stem Cell Biology, Institute Pasteur, Paris, France
| | - Holger Richly
- Laboratory of Molecular Epigenetics, Institute of Molecular Biology, Mainz, Germany
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38
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The role of the epithelial-to-mesenchymal transition (EMT) in diseases of the salivary glands. Histochem Cell Biol 2018; 150:133-147. [DOI: 10.1007/s00418-018-1680-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/16/2018] [Indexed: 02/06/2023]
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39
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Zhu S, Ward BM, Yu J, Matthew-Onabanjo AN, Janusis J, Hsieh CC, Tomaszewicz K, Hutchinson L, Zhu LJ, Kandil D, Shaw LM. IRS2 mutations linked to invasion in pleomorphic invasive lobular carcinoma. JCI Insight 2018; 3:97398. [PMID: 29669935 DOI: 10.1172/jci.insight.97398] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 03/14/2018] [Indexed: 12/30/2022] Open
Abstract
Pleomorphic invasive lobular carcinoma (PILC) is an aggressive variant of invasive lobular breast cancer that is associated with poor clinical outcomes. Limited molecular data are available to explain the mechanistic basis for PILC behavior. To address this issue, targeted sequencing was performed to identify molecular alterations that define PILC. This sequencing analysis identified genes that distinguish PILC from classic ILC and invasive ductal carcinoma by the incidence of their genomic changes. In particular, insulin receptor substrate 2 (IRS2) is recurrently mutated in PILC, and pathway analysis reveals a role for the insulin receptor (IR)/insulin-like growth factor-1 receptor (IGF1R)/IRS2 signaling pathway in PILC. IRS2 mutations identified in PILC enhance invasion, revealing a role for this signaling adaptor in the aggressive nature of PILC.
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Affiliation(s)
- Sha Zhu
- Department of Molecular, Cell and Cancer Biology
| | | | - Jun Yu
- Department of Molecular, Cell and Cancer Biology
| | | | | | | | | | | | - Lihua Julie Zhu
- Department of Molecular, Cell and Cancer Biology.,Department of Molecular Medicine, and.,Program in Bioinformatics and Integrative Biology, University of Massachusetts Medical School, Worcester, Massachusetts, USA
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40
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Mori H, Cardiff RD, Borowsky AD. Aging Mouse Models Reveal Complex Tumor-Microenvironment Interactions in Cancer Progression. Front Cell Dev Biol 2018; 6:35. [PMID: 29651417 PMCID: PMC5884881 DOI: 10.3389/fcell.2018.00035] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 03/15/2018] [Indexed: 12/15/2022] Open
Abstract
Mouse models and genetically engineered mouse models (GEMM) are essential experimental tools for the understanding molecular mechanisms within complex biological systems. GEMM are especially useful for inferencing phenocopy information to genetic human diseases such as breast cancer. Human breast cancer modeling in mice most commonly employs mammary epithelial-specific promoters to investigate gene function(s) and, in particular, putative oncogenes. Models are specifically useful in the mammary epithelial cell in the context of the complete mammary gland environment. Gene targeted knockout mice including conditional targeting to specific mammary cells can reveal developmental defects in mammary organogenesis and demonstrate the importance of putative tumor suppressor genes. Some of these models demonstrate a non-traditional type of tumor suppression which involves interplay between the tumor susceptible cell and its host/environment. These GEMM help to reveal the processes of cancer progression beyond those intrinsic to cancer cells. Furthermore, the, analysis of mouse models requires appropriate consideration of mouse strain, background, and environmental factors. In this review, we compare aging-related factors in mouse models for breast cancer. We introduce databases of GEMM attributes and colony functional variations.
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Affiliation(s)
- Hidetoshi Mori
- Center for Comparative Medicine, University of California, Davis, Davis, CA, United States
| | - Robert D Cardiff
- Center for Comparative Medicine, University of California, Davis, Davis, CA, United States.,Department of Pathology and Laboratory Medicine, School of Medicine, University of California, Davis, Davis, CA, United States
| | - Alexander D Borowsky
- Center for Comparative Medicine, University of California, Davis, Davis, CA, United States.,Department of Pathology and Laboratory Medicine, School of Medicine, University of California, Davis, Davis, CA, United States
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41
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Bajrami I, Marlow R, van de Ven M, Brough R, Pemberton HN, Frankum J, Song F, Rafiq R, Konde A, Krastev DB, Menon M, Campbell J, Gulati A, Kumar R, Pettitt SJ, Gurden MD, Cardenosa ML, Chong I, Gazinska P, Wallberg F, Sawyer EJ, Martin LA, Dowsett M, Linardopoulos S, Natrajan R, Ryan CJ, Derksen PWB, Jonkers J, Tutt ANJ, Ashworth A, Lord CJ. E-Cadherin/ROS1 Inhibitor Synthetic Lethality in Breast Cancer. Cancer Discov 2018; 8:498-515. [PMID: 29610289 PMCID: PMC6296442 DOI: 10.1158/2159-8290.cd-17-0603] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 12/12/2017] [Accepted: 01/23/2018] [Indexed: 12/22/2022]
Abstract
The cell adhesion glycoprotein E-cadherin (CDH1) is commonly inactivated in breast tumors. Precision medicine approaches that exploit this characteristic are not available. Using perturbation screens in breast tumor cells with CRISPR/Cas9-engineered CDH1 mutations, we identified synthetic lethality between E-cadherin deficiency and inhibition of the tyrosine kinase ROS1. Data from large-scale genetic screens in molecularly diverse breast tumor cell lines established that the E-cadherin/ROS1 synthetic lethality was not only robust in the face of considerable molecular heterogeneity but was also elicited with clinical ROS1 inhibitors, including foretinib and crizotinib. ROS1 inhibitors induced mitotic abnormalities and multinucleation in E-cadherin-defective cells, phenotypes associated with a defect in cytokinesis and aberrant p120 catenin phosphorylation and localization. In vivo, ROS1 inhibitors produced profound antitumor effects in multiple models of E-cadherin-defective breast cancer. These data therefore provide the preclinical rationale for assessing ROS1 inhibitors, such as the licensed drug crizotinib, in appropriately stratified patients.Significance: E-cadherin defects are common in breast cancer but are currently not targeted with a precision medicine approach. Our preclinical data indicate that licensed ROS1 inhibitors, including crizotinib, should be repurposed to target E-cadherin-defective breast cancers, thus providing the rationale for the assessment of these agents in molecularly stratified phase II clinical trials. Cancer Discov; 8(4); 498-515. ©2018 AACR.This article is highlighted in the In This Issue feature, p. 371.
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Affiliation(s)
- Ilirjana Bajrami
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Rebecca Marlow
- The Breast Cancer Now Research Unit, King's College London, London, United Kingdom
| | - Marieke van de Ven
- Mouse Clinic for Cancer and Aging (MCCA) Preclinical Intervention Unit, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Rachel Brough
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Helen N Pemberton
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Jessica Frankum
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Feifei Song
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Rumana Rafiq
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Asha Konde
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Dragomir B Krastev
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Malini Menon
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - James Campbell
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Aditi Gulati
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Rahul Kumar
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Stephen J Pettitt
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
| | - Mark D Gurden
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
| | - Marta Llorca Cardenosa
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Biomedical Research Institute INCLIVA, Hospital Clinico Universitario Valencia, University of Valencia, Spain
| | - Irene Chong
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
| | - Patrycja Gazinska
- The Breast Cancer Now Research Unit, King's College London, London, United Kingdom
| | - Fredrik Wallberg
- FACS Core Facility, The Institute of Cancer Research, London, United Kingdom
| | - Elinor J Sawyer
- Division of Cancer Studies, Guy's Hospital, King's College London, London, United Kingdom
| | - Lesley-Ann Martin
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
| | - Mitch Dowsett
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
| | - Spiros Linardopoulos
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- Cancer Research UK Cancer Therapeutics Unit, Division of Cancer Therapeutics, The Institute of Cancer Research, London, United Kingdom
| | - Rachael Natrajan
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
| | - Colm J Ryan
- Systems Biology Ireland, University College Dublin, Dublin, Ireland
| | - Patrick W B Derksen
- Department of Pathology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Jos Jonkers
- Division of Molecular Pathology and Cancer Genomics Netherlands, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Andrew N J Tutt
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
- The Breast Cancer Now Research Unit, King's College London, London, United Kingdom
| | - Alan Ashworth
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California.
| | - Christopher J Lord
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom.
- Cancer Research UK Gene Function Laboratory, The Institute of Cancer Research, London, United Kingdom
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42
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Bruner HC, Derksen PWB. Loss of E-Cadherin-Dependent Cell-Cell Adhesion and the Development and Progression of Cancer. Cold Spring Harb Perspect Biol 2018; 10:a029330. [PMID: 28507022 PMCID: PMC5830899 DOI: 10.1101/cshperspect.a029330] [Citation(s) in RCA: 125] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Classical cadherins are the key molecules that control cell-cell adhesion. Notwithstanding this function, it is also clear that classical cadherins are more than just the "glue" that keeps the cells together. Cadherins are essential regulators of tissue homeostasis that govern multiple facets of cellular function and development, by transducing adhesive signals to a complex network of signaling effectors and transcriptional programs. In cancer, cadherins are often inactivated or functionally inhibited, resulting in disease development and/or progression. This review focuses on E-cadherin and its causal role in the development and progression of breast and gastric cancer. We provide a summary of the biochemical consequences and consider the conceptual impact of early (mutational) E-cadherin loss in cancer. We advocate that carcinomas driven by E-cadherin loss should be considered "actin-diseases," caused by the specific disruption of the E-cadherin-actin connection and a subsequent dependence on sustained actomyosin contraction for tumor progression. Based on the available data from mouse and human studies we discuss opportunities for targeted clinical intervention.
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Affiliation(s)
- Heather C Bruner
- Department of Medicine, University of California at San Diego, La Jolla, California 92093
| | - Patrick W B Derksen
- Department of Pathology, University Medical Center Utrecht, Utrecht 3584CX, The Netherlands
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43
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Hornsveld M, Smits LM, Meerlo M, van Amersfoort M, Groot Koerkamp MJ, van Leenen D, Kloet DE, Holstege FC, Derksen PW, Burgering BM, Dansen TB. FOXO Transcription Factors Both Suppress and Support Breast Cancer Progression. Cancer Res 2018; 78:2356-2369. [DOI: 10.1158/0008-5472.can-17-2511] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 01/08/2018] [Accepted: 02/07/2018] [Indexed: 11/16/2022]
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44
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Yang H, Jaeger M, Walker A, Wei D, Leiker K, Weitao T. Break Breast Cancer Addiction by CRISPR/Cas9 Genome Editing. J Cancer 2018; 9:219-231. [PMID: 29344267 PMCID: PMC5771328 DOI: 10.7150/jca.22554] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2017] [Accepted: 09/25/2017] [Indexed: 12/14/2022] Open
Abstract
Breast cancer is the leading diagnosed cancer for women globally. Evolution of breast cancer in tumorigenesis, metastasis and treatment resistance appears to be driven by the aberrant gene expression and protein degradation encoded by the cancer genomes. The uncontrolled cancer growth relies on these cellular events, thus constituting the cancerous programs and rendering the addiction towards them. These programs are likely the potential anticancer biomarkers for Personalized Medicine of breast cancer. This review intends to delineate the impact of the CRSPR/Cas-mediated genome editing in identification and validation of these anticancer biomarkers. It reviews the progress in three aspects of CRISPR/Cas9-mediated editing of the breast cancer genomes: Somatic genome editing, transcription and protein degradation addictions.
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Affiliation(s)
- Haitao Yang
- Laboratory for Cancer Genome Editing, Zhuhai Lifecode Medical Technologies. Inc. Department of Prenatal Diagnosis, Huizhou 2nd Hospital for Children and Women, #101 University Road, Tangjiawan, Zhuhai, 518900, Guangdong, China
| | - MariaLynn Jaeger
- College of Science and Mathematics, Southwest Baptist University, 1600 University Avenue, Bolivar, Missouri 65613, USA
| | - Averi Walker
- College of Science and Mathematics, Southwest Baptist University, 1600 University Avenue, Bolivar, Missouri 65613, USA
| | - Daniel Wei
- University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX 75080, USA
| | - Katie Leiker
- College of Science and Mathematics, Southwest Baptist University, 1600 University Avenue, Bolivar, Missouri 65613, USA
| | - Tao Weitao
- College of Science and Mathematics, Southwest Baptist University, 1600 University Avenue, Bolivar, Missouri 65613, USA
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45
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Raap M, Gronewold M, Christgen H, Glage S, Bentires-Alj M, Koren S, Derksen PW, Boelens M, Jonkers J, Lehmann U, Feuerhake F, Kuehnle E, Gluz O, Kates R, Nitz U, Harbeck N, Kreipe HH, Christgen M. Lobular carcinoma in situ and invasive lobular breast cancer are characterized by enhanced expression of transcription factor AP-2β. J Transl Med 2018; 98:117-129. [PMID: 29035379 DOI: 10.1038/labinvest.2017.106] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 08/14/2017] [Indexed: 12/26/2022] Open
Abstract
Transcription factor AP-2β (TFAP2B) regulates embryonic organ development and is overexpressed in alveolar rhabdomyosarcoma, a rare childhood malignancy. Gene expression profiling has implicated AP-2β in breast cancer (BC). This study characterizes AP-2β expression in the mammary gland and in BC. AP-2β protein expression was assessed in the normal mammary gland epithelium, in various reactive, metaplastic and pre-invasive neoplastic lesions and in two clinical BC cohorts comprising >2000 patients. BCs from various genetically engineered mouse (GEM) models were also evaluated. Human BC cell lines served as functional models to study siRNA-mediated inhibition of AP-2β. The normal mammary gland epithelium showed scattered AP-2β-positive cells in the luminal cell layer. Various reactive and pre-invasive neoplastic lesions, including apocrine metaplasia, usual ductal hyperplasia and lobular carcinoma in situ (LCIS) showed enhanced AP-2β expression. Cases of ductal carcinoma in situ (DCIS) were more often AP-2β-negative (P<0.001). In invasive BC cohorts, AP-2β-positivity was associated with the lobular BC subtype (P<0.001), loss of E-cadherin (P<0.001), a positive estrogen receptor (ER) status (P<0.001), low Ki67 (P<0.001), low/intermediate Oncotype DX recurrence scores (P<0.001), and prolonged event-free survival (P=0.003). BCs from GEM models were all AP-2β-negative. In human BC cell lines, AP-2β expression was independent from ER-signaling. SiRNA-mediated inhibition of AP-2β diminished proliferation of lobular BC cell lines in vitro. In summary, AP-2β is a new mammary epithelial differentiation marker. Its expression is preferentially retained and enhanced in LCIS and invasive lobular BC and has prognostic implications. Our findings indicate that AP-2β controls tumor cell proliferation in this slow-growing BC subtype.
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Affiliation(s)
- Mieke Raap
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Malte Gronewold
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | | | - Silke Glage
- Institute of Laboratory Animal Science, Hannover Medical School, Hannover, Germany
| | - Mohammad Bentires-Alj
- Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland
| | - Shany Koren
- Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland
| | - Patrick W Derksen
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Mirjam Boelens
- Division of Molecular Pathology, the Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Jos Jonkers
- Division of Molecular Pathology, the Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Ulrich Lehmann
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | | | - Elna Kuehnle
- Department of Gynecology and Obstetrics, Hannover Medical School, Hannover, Germany
| | - Oleg Gluz
- West German Study Group, Moenchengladbach, Germany.,Breast Center Niederrhein, Evangelic Bethesda Hospital, Moenchengladbach, Germany
| | - Ronald Kates
- West German Study Group, Moenchengladbach, Germany
| | - Ulrike Nitz
- West German Study Group, Moenchengladbach, Germany.,Breast Center Niederrhein, Evangelic Bethesda Hospital, Moenchengladbach, Germany
| | - Nadia Harbeck
- West German Study Group, Moenchengladbach, Germany.,Breast Center, Department of Obstetrics and Gynecology, University of Munich, Munich, Germany
| | - Hans H Kreipe
- Institute of Pathology, Hannover Medical School, Hannover, Germany
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46
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El Sharouni MA, Postma EL, van Diest PJ. Correlation between E-cadherin and p120 expression in invasive ductal breast cancer with a lobular component and MRI findings. Virchows Arch 2017; 471:707-712. [PMID: 28779344 PMCID: PMC5711988 DOI: 10.1007/s00428-017-2203-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 06/23/2017] [Accepted: 07/12/2017] [Indexed: 12/29/2022]
Abstract
Invasive breast cancer comprises a spectrum of histological changes with purely lobular cancer on one side and purely ductal cancer on the other, with many mixed lesions in between. In a previous study, we showed that in patients with any percentage lobular component at core needle biopsy, preoperative MRI leads to the detection of clinically relevant additional findings in a substantial percentage of patients, irrespective of the percentage of the lobular component. Detection of a small lobular component may however not be reproducible among pathologists. Loss of membrane expression of E-cadherin or p120 is useful biomarkers of ILC and may therefore support a more objective diagnosis. All patients diagnosed with breast cancer containing a lobular component of any percentage between January 2008 and October 2012 were prospectively offered preoperative MRI. Clinically relevant additional findings on MRI were verified by pathology evaluation. Expression patterns of E-cadherin and p120 were evaluated by immunohistochemistry on the core needle biopsy. MRI was performed in 109 patients. The percentage of lobular component was significantly increased in cases with aberrant E-cadherin or p120 expression (both p = <0.001). However, aberrant expression of E-cadherin and p120 was not related to the probability of detecting relevant additional MRI findings. E-cadherin and p120 did not appear to be useful objective biomarkers for predicting additional relevant findings on MRI in patients with a lobular component in the core needle of their breast cancer.
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Affiliation(s)
- Mary-Ann El Sharouni
- Department of Pathology, University Medical Centre Utrecht, PO Box 85500, 3508 GA, Utrecht, The Netherlands
| | - Emily L Postma
- Department of Surgery, University Medical Centre Utrecht, PO Box 85500, 3508 GA, Utrecht, The Netherlands
| | - Paul J van Diest
- Department of Pathology, University Medical Centre Utrecht, PO Box 85500, 3508 GA, Utrecht, The Netherlands. .,Department of Pathology, University Medical Centre Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.
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47
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Insertional mutagenesis identifies drivers of a novel oncogenic pathway in invasive lobular breast carcinoma. Nat Genet 2017. [PMID: 28650484 DOI: 10.1038/ng.3905] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Invasive lobular carcinoma (ILC) is the second most common breast cancer subtype and accounts for 8-14% of all cases. Although the majority of human ILCs are characterized by the functional loss of E-cadherin (encoded by CDH1), inactivation of Cdh1 does not predispose mice to develop mammary tumors, implying that mutations in additional genes are required for ILC formation in mice. To identify these genes, we performed an insertional mutagenesis screen using the Sleeping Beauty transposon system in mice with mammary-specific inactivation of Cdh1. These mice developed multiple independent mammary tumors of which the majority resembled human ILC in terms of morphology and gene expression. Recurrent and mutually exclusive transposon insertions were identified in Myh9, Ppp1r12a, Ppp1r12b and Trp53bp2, whose products have been implicated in the regulation of the actin cytoskeleton. Notably, MYH9, PPP1R12B and TP53BP2 were also frequently aberrated in human ILC, highlighting these genes as drivers of a novel oncogenic pathway underlying ILC development.
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48
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de Groot JS, van Diest PJ, van Amersfoort M, Vlug EJ, Pan X, Ter Hoeve ND, Rosing H, Beijnen JH, Youssef SA, de Bruin A, Jonkers J, van der Wall E, Derksen PWB. Intraductal cisplatin treatment in a BRCA-associated breast cancer mouse model attenuates tumor development but leads to systemic tumors in aged female mice. Oncotarget 2017; 8:60750-60763. [PMID: 28977823 PMCID: PMC5617383 DOI: 10.18632/oncotarget.18490] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 04/06/2017] [Indexed: 11/28/2022] Open
Abstract
BRCA deficiency predisposes to the development of invasive breast cancer. In BRCA mutation carriers this risk can increase up to 80%. Currently, bilateral prophylactic mastectomy and prophylactic bilateral salpingo-oophorectomy are the only preventive, albeit radical invasive strategies to prevent breast cancer in BRCA mutation carriers. An alternative non-invasive way to prevent BRCA1-associated breast cancer may be local prophylactic treatment via the nipple. Using a non-invasive intraductal (ID) preclinical intervention strategy, we explored the use of combined cisplatin and poly (ADP)-ribose polymerase 1 (PARP1) inhibition to prevent the development of hereditary breast cancer. We show that ID cisplatin and PARP-inhibition can successfully ablate mammary epithelial cells, and this approach attenuated tumor onset in a mouse model of Brca1-associated breast cancer from 153 to 239 days. Long-term carcinogenicity studies in 150 syngeneic wild-type mice demonstrated that tumor incidence was increased in the ID treated mammary glands by 6.3% due to systemic exposure to cisplatin. Although this was only evident in aged mice (median age = 649 days), we conclude that ID cisplatin treatment only presents a safe and feasible local prevention option if systemic exposure to the chemotherapy used can be avoided.
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Affiliation(s)
- Jolien S de Groot
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Paul J van Diest
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Eva J Vlug
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Xiaojuan Pan
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Natalie D Ter Hoeve
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Hilde Rosing
- Department of Pharmacy and Pharmacology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Jos H Beijnen
- Department of Pharmacy and Pharmacology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Department of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Sameh A Youssef
- Department of Pathobiology, Dutch Molecular Pathology Center, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Alain de Bruin
- Department of Pathobiology, Dutch Molecular Pathology Center, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.,Department of Pediatrics, Division of Molecular Genetics, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jos Jonkers
- Department of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Elsken van der Wall
- Department of Medical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Patrick W B Derksen
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
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49
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Abstract
Tumours are highly complex and contain multiple cell types. Cancer-associated fibroblasts are now shown to have a critical role in directly leading cancer cell invasion. This intercellular interaction relies on a mechanically active cadherin-based junction, and CAF-led invasion is demonstrated to require E-cadherin in the cancer cell.
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Affiliation(s)
- Andrew J Ewald
- Departments of Cell Biology and Oncology, Center for Cell Dynamics, Johns Hopkins University School of Medicine, 855 North Wolfe Street, Baltimore, Maryland 21205, USA
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50
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Annunziato S, Kas SM, Nethe M, Yücel H, Del Bravo J, Pritchard C, Bin Ali R, van Gerwen B, Siteur B, Drenth AP, Schut E, van de Ven M, Boelens MC, Klarenbeek S, Huijbers IJ, van Miltenburg MH, Jonkers J. Modeling invasive lobular breast carcinoma by CRISPR/Cas9-mediated somatic genome editing of the mammary gland. Genes Dev 2017; 30:1470-80. [PMID: 27340177 PMCID: PMC4926868 DOI: 10.1101/gad.279190.116] [Citation(s) in RCA: 103] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 05/27/2016] [Indexed: 11/25/2022]
Abstract
Annunziato et al. describe a novel strategy for in vivo validation of candidate tumor suppressors implicated in invasive lobular breast carcinoma (ILC). Whereas intraductal injection of Cas9-encoding lentiviruses induced Cas9-specific immune responses and development of tumors that did not resemble ILC, lentiviral delivery of a Pten targeting sgRNA in mice with mammary gland-specific loss of E-cadherin and expression of Cas9 efficiently induced ILC development. Large-scale sequencing studies are rapidly identifying putative oncogenic mutations in human tumors. However, discrimination between passenger and driver events in tumorigenesis remains challenging and requires in vivo validation studies in reliable animal models of human cancer. In this study, we describe a novel strategy for in vivo validation of candidate tumor suppressors implicated in invasive lobular breast carcinoma (ILC), which is hallmarked by loss of the cell–cell adhesion molecule E-cadherin. We describe an approach to model ILC by intraductal injection of lentiviral vectors encoding Cre recombinase, the CRISPR/Cas9 system, or both in female mice carrying conditional alleles of the Cdh1 gene, encoding for E-cadherin. Using this approach, we were able to target ILC-initiating cells and induce specific gene disruption of Pten by CRISPR/Cas9-mediated somatic gene editing. Whereas intraductal injection of Cas9-encoding lentiviruses induced Cas9-specific immune responses and development of tumors that did not resemble ILC, lentiviral delivery of a Pten targeting single-guide RNA (sgRNA) in mice with mammary gland-specific loss of E-cadherin and expression of Cas9 efficiently induced ILC development. This versatile platform can be used for rapid in vivo testing of putative tumor suppressor genes implicated in ILC, providing new opportunities for modeling invasive lobular breast carcinoma in mice.
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Affiliation(s)
- Stefano Annunziato
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Sjors M Kas
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Micha Nethe
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Hatice Yücel
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Jessica Del Bravo
- Transgenic Core Facility, Mouse Clinic for Cancer and Aging (MCCA), The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Colin Pritchard
- Transgenic Core Facility, Mouse Clinic for Cancer and Aging (MCCA), The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Rahmen Bin Ali
- Transgenic Core Facility, Mouse Clinic for Cancer and Aging (MCCA), The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Bas van Gerwen
- Preclinical Intervention Unit, Mouse Clinic for Cancer and Aging (MCCA), The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Bjørn Siteur
- Preclinical Intervention Unit, Mouse Clinic for Cancer and Aging (MCCA), The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Anne Paulien Drenth
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Eva Schut
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Marieke van de Ven
- Preclinical Intervention Unit, Mouse Clinic for Cancer and Aging (MCCA), The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Mirjam C Boelens
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Sjoerd Klarenbeek
- Experimental Animal Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Ivo J Huijbers
- Transgenic Core Facility, Mouse Clinic for Cancer and Aging (MCCA), The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Martine H van Miltenburg
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Jos Jonkers
- Division of Molecular Pathology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands; Cancer Genomics Netherlands, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
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