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Gerber TS, Ridder DA, Goeppert B, Brobeil A, Stenzel P, Zimmer S, Jäkel J, Metzig MO, Schwab R, Martin SZ, Kiss A, Bergmann F, Schirmacher P, Galle PR, Lang H, Roth W, Straub BK. N-cadherin: A diagnostic marker to help discriminate primary liver carcinomas from extrahepatic carcinomas. Int J Cancer 2024; 154:1857-1868. [PMID: 38212892 DOI: 10.1002/ijc.34836] [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: 08/19/2023] [Revised: 11/20/2023] [Accepted: 11/24/2023] [Indexed: 01/13/2024]
Abstract
Distinguishing primary liver cancer (PLC), namely hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (iCCA), from liver metastases is of crucial clinical importance. Histopathology remains the gold standard, but differential diagnosis may be challenging. While absent in most epithelial, the expression of the adherens junction glycoprotein N-cadherin is commonly restricted to neural and mesenchymal cells, or carcinoma cells that undergo the phenomenon of epithelial-to-mesenchymal transition (EMT). However, we recently established N- and E-cadherin expression as hallmarks of normal hepatocytes and cholangiocytes, which are also preserved in HCC and iCCA. Therefore, we hypothesized that E- and/or N-cadherin may distinguish between carcinoma derived from the liver vs carcinoma of other origins. We comprehensively evaluated E- and N-cadherin in 3359 different tumors in a multicenter study using immunohistochemistry and compared our results with previously published 882 cases of PLC, including 570 HCC and 312 iCCA. Most carcinomas showed strong positivity for E-cadherin. Strong N-cadherin positivity was present in HCC and iCCA. However, except for clear cell renal cell carcinoma (23.6% of cases) and thyroid cancer (29.2%), N-cadherin was only in some instances faintly expressed in adenocarcinomas of the gastrointestinal tract (0%-0.5%), lung (7.1%), pancreas (3.9%), gynecological organs (0%-7.4%), breast (2.2%) as well as in urothelial (9.4%) and squamous cell carcinoma (0%-5.6%). As expected, N-cadherin was detected in neuroendocrine tumors (25%-75%), malignant melanoma (46.2%) and malignant mesothelioma (41%). In conclusion, N-cadherin is a useful marker for the distinction of PLC vs liver metastases of extrahepatic carcinomas (P < .01).
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Affiliation(s)
- Tiemo S Gerber
- Institute of Pathology, University Medicine, Johannes Gutenberg-University, Mainz, Germany
| | - Dirk A Ridder
- Institute of Pathology, University Medicine, Johannes Gutenberg-University, Mainz, Germany
| | - Benjamin Goeppert
- Institute of Pathology and Neuropathology, RKH Klinikum Ludwigsburg, Ludwigsburg, Germany
- Institute of Tissue Medicine and Pathology, University of Bern, Bern, Switzerland
| | - Alexander Brobeil
- Institute of Pathology, University of Heidelberg, Heidelberg, Germany
| | - Philipp Stenzel
- Institute of Pathology, University Medicine, Johannes Gutenberg-University, Mainz, Germany
| | - Stefanie Zimmer
- Institute of Pathology, University Medicine, Johannes Gutenberg-University, Mainz, Germany
| | - Jörg Jäkel
- Institute of Pathology, University Medicine, Johannes Gutenberg-University, Mainz, Germany
| | - Marie Oliver Metzig
- Institute of Pathology, University Medicine, Johannes Gutenberg-University, Mainz, Germany
| | - Roxana Schwab
- Department of Gynecology and Obstetrics, University Medicine, Johannes Gutenberg-University, Mainz, Germany
| | - Steve Z Martin
- Institute of Pathology, Charité-University Medicine, Berlin, Germany
| | - András Kiss
- 2nd Institute of Pathology, Semmelweis University, Budapest, Hungary
| | - Frank Bergmann
- Institute of Pathology, University of Heidelberg, Heidelberg, Germany
| | - Peter Schirmacher
- Institute of Pathology, University of Heidelberg, Heidelberg, Germany
| | - Peter R Galle
- 1st Department of Internal Medicine, Gastroenterology and Hepatology, University Medicine, Johannes Gutenberg-University, Mainz, Germany
| | - Hauke Lang
- Department of General, Visceral and Transplant Surgery, University Medicine, Johannes Gutenberg-University, Mainz, Germany
| | - Wilfried Roth
- Institute of Pathology, University Medicine, Johannes Gutenberg-University, Mainz, Germany
| | - Beate K Straub
- Institute of Pathology, University Medicine, Johannes Gutenberg-University, Mainz, Germany
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2
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Seo T, Lowery AM, Xu H, Giang W, Troyanovsky SM, Vincent PA, Kowalczyk AP. MARCH family E3 ubiquitin ligases selectively target and degrade cadherin family proteins. PLoS One 2024; 19:e0290485. [PMID: 38722959 PMCID: PMC11081302 DOI: 10.1371/journal.pone.0290485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 04/19/2024] [Indexed: 05/13/2024] Open
Abstract
Cadherin family proteins play a central role in epithelial and endothelial cell-cell adhesion. The dynamic regulation of cell adhesion is achieved in part through endocytic membrane trafficking pathways that modulate cadherin cell surface levels. Here, we define the role for various MARCH family ubiquitin ligases in the regulation of cadherin degradation. We find that MARCH2 selectively downregulates VE-cadherin, resulting in loss of adherens junction proteins at cell borders and a loss of endothelial barrier function. Interestingly, N-cadherin is refractory to MARCH ligase expression, demonstrating that different classical cadherin family proteins are differentially regulated by MARCH family ligases. Using chimeric cadherins, we find that the specificity of different MARCH family ligases for different cadherins is conferred by the cadherin transmembrane domain. Further, juxta-membrane lysine residues are required for cadherin degradation by MARCH proteins. These findings expand our understanding of cadherin regulation and highlight a new role for mammalian MARCH family ubiquitin ligases in differentially regulating cadherin turnover.
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Affiliation(s)
- Tadahiko Seo
- Departments of Dermatology and Cellular and Molecular Physiology, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania, United States of America
| | - Anthony M. Lowery
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York, United States of America
| | - Haifang Xu
- Departments of Dermatology and Cellular and Molecular Physiology, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania, United States of America
| | - William Giang
- Departments of Dermatology and Cellular and Molecular Physiology, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania, United States of America
| | - Sergey M. Troyanovsky
- Department of Dermatology, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
- Department of Cell and Developmental Biology, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Peter A. Vincent
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York, United States of America
| | - Andrew P. Kowalczyk
- Departments of Dermatology and Cellular and Molecular Physiology, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania, United States of America
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3
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Corso G, Marino E, Zanzottera C, Oliveira C, Bernard L, Macis D, Figueiredo J, Pereira J, Carneiro P, Massari G, Barberis M, De Scalzi AM, Taormina SV, Sajjadi E, Sangalli C, Gandini S, D’Ecclesiis O, Trovato CM, Rotili A, Pesapane F, Nicosia L, La Vecchia C, Galimberti V, Guerini-Rocco E, Bonanni B, Veronesi P. CDH1 Genotype Exploration in Women With Hereditary Lobular Breast Cancer Phenotype. JAMA Netw Open 2024; 7:e247862. [PMID: 38652475 PMCID: PMC11040411 DOI: 10.1001/jamanetworkopen.2024.7862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 02/21/2024] [Indexed: 04/25/2024] Open
Abstract
Importance Pathogenic or likely pathogenic (P/LP) germline CDH1 variants are associated with risk for diffuse gastric cancer and lobular breast cancer (LBC) in the so-called hereditary diffuse gastric cancer (HDGC) syndrome. However, in some circumstances, LBC can be the first manifestation of this syndrome in the absence of diffuse gastric cancer manifestation. Objectives To evaluate the frequency of germline CDH1 variants in women with the hereditary LBC (HLBC) phenotype, somatic CDH1 gene inactivation in germline CDH1 variant carriers' tumor samples, and the association of genetic profiles with clinical-pathological data and survival. Design, Setting, and Participants This single-center, longitudinal, prospective cohort study was conducted from January 1, 1997, to December 31, 2021, with follow-up until January 31, 2023. Women with LBC seen at the European Institute of Oncology were included. Testing for germline CDH1, BRCA1, and BRCA2 genes was performed. Somatic profiling was assessed for germline CDH1 carriers. Main Outcomes and Measures Accurate estimates of prevalence of germline CDH1 variants among patients with HLBC and the association of somatic sequence alteration with HLBC syndrome. The Kaplan-Meier method and a multivariable Cox proportional hazards regression model were applied for overall and disease-free survival analysis. Results Of 5429 cases of primary LBC, familial LBC phenotype accounted for 1867 (34.4%). A total of 394 women with LBC were tested, among whom 15 germline CDH1 variants in 15 unrelated families were identified. Among these variants, 6 (40.0%) were P/LP, with an overall frequency of 1.5% (6 of 394). Of the 6 probands with P/LP CDH1 LBC, 5 (83.3%) had a positive family history of BC and only 1 (16.7%) had sporadic juvenile early-onset LBC. No germline BRCA1 and BRCA2 variants were identified in CDH1 carriers. An inactivating CDH1 mechanism (second hit) was identified in 4 of 6 explored matched tumor samples (66.7%) in P/LP germline carriers. The P/LP CDH1 LBC variant carriers had a significantly lower age at diagnosis compared with the group carrying CDH1 variants of unknown significance or likely benign (42.5 [IQR, 38.3-43.0] vs 51.0 [IQR, 45.0-53.0] years; P = .03). Conclusions and Relevance In this cohort study, P/LP germline CDH1 variants were identified in individuals not fulfilling the classic clinical criteria for HDGC screening, suggesting that identification of these variants may provide a novel method to test women with LBC with early age at diagnosis and/or positive family history of BC.
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Affiliation(s)
- Giovanni Corso
- Division of Breast Surgery, European Institute of Oncology (IEO), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Elena Marino
- Clinic Unit of Oncogenomics, IEO, IRCCS, Milan, Italy
| | | | - Carla Oliveira
- Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- Faculty of Medicine, University of Porto, Porto, Portugal
- Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal
| | - Loris Bernard
- Clinic Unit of Oncogenomics, IEO, IRCCS, Milan, Italy
| | - Debora Macis
- Division of Cancer Prevention and Genetics, IEO, IRCCS, Milan, Italy
| | - Joana Figueiredo
- Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- Faculty of Medicine, University of Porto, Porto, Portugal
- Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal
| | - Joana Pereira
- Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- Faculty of Medicine, University of Porto, Porto, Portugal
- Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal
| | - Patrícia Carneiro
- Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- Faculty of Medicine, University of Porto, Porto, Portugal
- Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal
| | - Giulia Massari
- Division of Breast Surgery, European Institute of Oncology (IEO), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | | | - Alessandra Margherita De Scalzi
- Division of Breast Surgery, European Institute of Oncology (IEO), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | | | | | | | - Sara Gandini
- Department of Experimental Oncology, IEO, IRCCS, Milan, Italy
| | | | | | - Anna Rotili
- Division of Breast Imaging, IEO, IRCCS, Milan, Italy
| | | | - Luca Nicosia
- Division of Breast Imaging, IEO, IRCCS, Milan, Italy
| | - Carlo La Vecchia
- Department of Clinical Sciences and Community Health, Branch of Medical Statistics, Biometry and Epidemiology “G.A. Maccacaro,” University of Milan, Milan, Italy
| | - Viviana Galimberti
- Division of Breast Surgery, European Institute of Oncology (IEO), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | | | - Bernardo Bonanni
- Division of Cancer Prevention and Genetics, IEO, IRCCS, Milan, Italy
| | - Paolo Veronesi
- Division of Breast Surgery, European Institute of Oncology (IEO), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
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4
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Gronewold M, Grote I, Bartels S, Christgen H, Kandt LD, Brito MJ, Cserni G, Daemmrich ME, Fogt F, Helmke BM, ter Hoeve N, Lang‐Schwarz C, Vieth M, Wellmann A, Kuehnle E, Kulik U, Riedel G, Reineke‐Plaass T, Lehmann U, Koorman T, Derksen PWB, Kreipe H, Christgen M. Microenvironment-induced restoration of cohesive growth associated with focal activation of P-cadherin expression in lobular breast carcinoma metastatic to the colon. J Pathol Clin Res 2024; 10:e12361. [PMID: 38618992 PMCID: PMC10796744 DOI: 10.1002/2056-4538.12361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 11/30/2023] [Accepted: 12/21/2023] [Indexed: 04/16/2024]
Abstract
Invasive lobular carcinoma (ILC) is a special breast cancer type characterized by noncohesive growth and E-cadherin loss. Focal activation of P-cadherin expression in tumor cells that are deficient for E-cadherin occurs in a subset of ILCs. Switching from an E-cadherin deficient to P-cadherin proficient status (EPS) partially restores cell-cell adhesion leading to the formation of cohesive tubular elements. It is unknown what conditions control EPS. Here, we report on EPS in ILC metastases in the large bowel. We reviewed endoscopic colon biopsies and colectomy specimens from a 52-year-old female (index patient) and of 18 additional patients (reference series) diagnosed with metastatic ILC in the colon. EPS was assessed by immunohistochemistry for E-cadherin and P-cadherin. CDH1/E-cadherin mutations were determined by next-generation sequencing. The index patient's colectomy showed transmural metastatic ILC harboring a CDH1/E-cadherin p.Q610* mutation. ILC cells displayed different growth patterns in different anatomic layers of the colon wall. In the tunica muscularis propria and the tela submucosa, ILC cells featured noncohesive growth and were E-cadherin-negative and P-cadherin-negative. However, ILC cells invading the mucosa formed cohesive tubular elements in the intercryptal stroma of the lamina propria mucosae. Inter-cryptal ILC cells switched to a P-cadherin-positive phenotype in this microenvironmental niche. In the reference series, colon mucosa infiltration was evident in 13 of 18 patients, one of which showed intercryptal EPS and conversion to cohesive growth as described in the index patient. The large bowel is a common metastatic site in ILC. In endoscopic colon biopsies, the typical noncohesive growth of ILC may be concealed by microenvironment-induced EPS and conversion to cohesive growth.
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Affiliation(s)
- Malte Gronewold
- Institute of PathologyHannover Medical SchoolHannoverGermany
| | - Isabel Grote
- Institute of PathologyHannover Medical SchoolHannoverGermany
| | - Stephan Bartels
- Institute of PathologyHannover Medical SchoolHannoverGermany
| | | | - Leonie D Kandt
- Institute of PathologyHannover Medical SchoolHannoverGermany
| | | | - Gàbor Cserni
- Department of PathologyUniversity of SzegedSzegedHungary
| | | | - Franz Fogt
- Pennsylvania Hospital – Penn Pathology and Laboratory MedicinePhiladelphiaPAUSA
| | | | - Natalie ter Hoeve
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | | | - Michael Vieth
- Klinikum Bayreuth – Institut für PathologieBayreuthGermany
| | | | - Elna Kuehnle
- Clinic for Obstetrics and Gynecology the NeonatologyHannover Medical SchoolHannoverGermany
| | - Ulf Kulik
- Department of General, Visceral, and Transplant SurgeryHannover Medical SchoolHannoverGermany
| | - Gesa Riedel
- Department of Immunology and RheumatologyHannover Medical SchoolHannoverGermany
| | | | - Ulrich Lehmann
- Institute of PathologyHannover Medical SchoolHannoverGermany
| | - Thijs Koorman
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Patrick WB Derksen
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Hans Kreipe
- Institute of PathologyHannover Medical SchoolHannoverGermany
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5
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Banerjee S, Sengupta A, Ghosh SK, Banerjee R. CDH1 gene as biomarker towards breast cancer prediction. J Biomol Struct Dyn 2024:1-14. [PMID: 38373072 DOI: 10.1080/07391102.2024.2316770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 02/03/2024] [Indexed: 02/21/2024]
Abstract
Breast cancer is considered to be happened due to genetic aberration. Out of several genes expressed, it is found that cadherin 1, type 1 (CDH1) is responsible in several ways to control the metabolic order in human. Deregulation of the function of protein E-cadherin, expressed from CDH1 plays an important role in lobular breast cancer. In order to understand the root cause of this recent claim, we focus on CDH1 gene: whether the genetic information translated due to any deviation/alteration/modification in its sequence is related to the occurrence of the different types breast cancer. Towards this end, quantitative analysis of different biophysical and bio-chemical properties of CDH1 gene in genomic and proteomic levels from the available genomic (cDNA) sequences of CDH1 gene (obtained from the COSMIC Database for 78 patients, suffering from various types of breast cancer) clearly emphasizes that alternation/modification in the sequence of the CDH1 gene can be detrimental. Furthermore, Random forest, K-nearest neighbour and stochastic gradient descent (SGD) algorithms are applied on the derived dataset to classify the types of breast cancer, and to validate our hypothesis regarding the acute role of CDH1 as potential bio marker for breast cancer. Analysis of the mutated CDH1 gene sequences, and their related parameters using aforesaid machine learning techniques clearly establish that CDH1 gene can take the deterministic role in predicting the chances of occurrences of different types of breast cancer with an accuracy of > 90 % . Such an observation opens a new paradigm in diagnostic approach of breast cancer.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Srijan Banerjee
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Nadia, West Bengal, India
| | - Antara Sengupta
- Department of Computer Science and Engineering, University of Calcutta, Kolkata, West Bengal, India
| | - Shankar Kumar Ghosh
- Department of Computer Science and Engineering, Shiv Nadar Institution of Eminence, Delhi, India
| | - Raja Banerjee
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Nadia, West Bengal, India
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6
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Göker M, Denys H, Hendrix A, De Wever O, Van de Vijver K, Braems G. Histologic tumor type as a determinant of survival in hormone receptor-positive, HER2-negative, pT1-3 invasive ductal and lobular breast cancer. Breast Cancer Res 2023; 25:146. [PMID: 37993928 PMCID: PMC10664297 DOI: 10.1186/s13058-023-01745-x] [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: 06/20/2022] [Accepted: 11/12/2023] [Indexed: 11/24/2023] Open
Abstract
PURPOSE The aim of the study was to compare the difference in survival between invasive ductal (IDC) and lobular carcinoma (ILC). METHODS Data of patients (n = 1843) with a hormone receptor-positive, HER2-negative, pT1-3 IDC or ILC cancer without distant metastasis, treated at the Ghent University Hospital over the time period 2001-2015, were analyzed. RESULTS ILC represented 13.9% of the tumors, had a higher percentage of pT3 and pN3 stages than IDC, lymphovascular space invasion (LVSI) was less present and Ki-67 was mostly low. 73.9% of ILCs were grade 2, whereas IDC had more grade 1 and grade 3 tumors. Kaplan-Meier curves and log-rank testing showed a significant worse DFS for ILC with pN ≥ 1 than for their IDC counterpart. In a multivariable Cox regression analysis the histologic tumor type, ductal or lobular, was a determinant of DFS over 120 months (IDC as reference; hazard ratio for ILC 1.77, 95% CI 1.08-2.90) just as the ER Allred score (hazard ratio 0.84, 95% CI 0.78-0.91), LVSI (hazard ratio 1.75, 95% CI 1.12-2.74) and pN3 (hazard ratio 2.29, 95% CI 1.03-5.09). Determinants of OS over ten years were age (hazard ratio 1.05, 95% CI 1.02-1.07), LVSI (hazard ratio 3.62, 95% CI 1.92-6.82) and the ER Allred score (hazard ratio 0.80, 95% CI 0.73-0.89). CONCLUSION The histologic tumor type, ductal or lobular, determines DFS in hormone receptor-positive, HER2-negative, pT1-3 breast cancer besides the ER Allred score, LVSI and pN3.
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Affiliation(s)
- Menekse Göker
- Department of Gynaecology, Ghent University Hospital, Ghent, Belgium.
| | - Hannelore Denys
- Department of Medical Oncology, Ghent University Hospital, Ghent, Belgium
| | - An Hendrix
- Laboratory for Experimental Cancer Research, Ghent University Hospital, Ghent, Belgium
| | - Olivier De Wever
- Laboratory for Experimental Cancer Research, Ghent University Hospital, Ghent, Belgium
| | | | - Geert Braems
- Department of Gynaecology, Ghent University Hospital, Ghent, Belgium
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7
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Sun H, Ding Q, Sahin AA. Immunohistochemistry in the Diagnosis and Classification of Breast Tumors. Arch Pathol Lab Med 2023; 147:1119-1132. [PMID: 37490413 DOI: 10.5858/arpa.2022-0464-ra] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/10/2023] [Indexed: 07/27/2023]
Abstract
CONTEXT.— In the clinical practice of breast pathology, immunohistochemistry (IHC) of different markers is widely used for the diagnosis and classification of breast lesions. OBJECTIVE.— To provide an overview of currently used and recently identified IHC stains that have been implemented in the field of diagnostic breast pathology. DATA SOURCES.— Data were obtained from literature review and clinical experience of the authors as breast pathologists. CONCLUSIONS.— In the current review, we summarize the common uses of IHC stains for diagnosing different types of breast lesions, especially invasive and noninvasive breast lesions, and benign and malignant spindle cell lesions. In addition, the cutting-edge knowledge of diagnostic carcinoma markers will lead us to further understand the different types of breast carcinoma and differentiate breast carcinomas from other carcinomas of similar morphology. Knowing the strengths and limitations of these markers is essential to the clinical practice of breast pathology.
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Affiliation(s)
- Hongxia Sun
- From the Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston
| | - Qingqing Ding
- From the Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston
| | - Aysegul A Sahin
- From the Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston
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8
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Mouabbi JA, Raghavendra AS, Bassett RL, Christgen M, Middleton L, Teshome M, Nasrazadani A, Hortobagyi G, Hassan A, Tripathy D, Layman RM. Absence of lobular carcinoma in situ is a poor prognostic marker in invasive lobular carcinoma. Eur J Cancer 2023; 191:113250. [PMID: 37573674 PMCID: PMC10529602 DOI: 10.1016/j.ejca.2023.113250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 07/14/2023] [Accepted: 07/18/2023] [Indexed: 08/15/2023]
Abstract
AIM To determine if the outcomes of patients with ILC co-occurring with LCIS are similar to pure ILC and if the presence of LCIS is a prognostic factor for ILC. METHODS In an observational, population-based investigation using data from the MD Anderson breast cancer prospectively collected electronic database, we analysed patients with a diagnosis of stage I-III ILC. Patients were divided into two groups: those with ILC with co-occurring ipsilateral LCIS (ILC + LCIS) and those with pure ILC without a histologically detected co-occurring ipsilateral LCIS (ILC alone). We obtained data on demographics, pathologic tumour size (pT), pathologic lymph node (pN) involvement, estrogen (ER), progesterone (PR) receptor status, HER2 status, Ki67, treatment received, distant recurrence-free and overall survival (DRFS, OS). RESULTS We identified 4217 patients with stage I-III ILC treated at MD Anderson between 1966 and 2021. 45% of cases (n = 1881) had co-existing LCIS. Statistically and numerically, ILC alone tended to associate with pT4 and pN3 stage (P < 0.001), ER/PR negativity (P = 0.0002), HER2 positivity (P = 0.010), higher Ki67 (P = 0.005), non-classical ILC subtype (P = 0.04) and more exposure to neoadjuvant chemotherapy (P = 0.0002) compared to the ILC + LCIS group. The median follow-up time was 6.5 years. Patients with ILC + LCIS had better median DRFS (16.8 versus 10.1 years, Hazard ratio [HR] 0.55, 95% confidence interval [CI] 0.50-0.60, P < 0.0001) and better median OS (18.9 versus 13.7 years, HR 0.62, 95% CI 0.56-0.69; P < 0.0001). Multivariate analysis showed the absence of LCIS to be an independent poor prognostic factor along with a higher pT stage and higher pN stage for DRFS and OS. CONCLUSION The findings of this study suggests that the absence of ipsilateral LCIS with ILC is an independent poor prognostic factor and that further studies are warranted to understand this phenomenon.
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Affiliation(s)
- Jason A Mouabbi
- Department of Breast Medical Oncology, Unit 1354, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of General Oncology, Unit 462, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
| | - Akshara Singareeka Raghavendra
- Department of Breast Medical Oncology, Unit 1354, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of General Oncology, Unit 462, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Roland L Bassett
- Department of Biostatistics, Unit 1411, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of General Oncology, Unit 462, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Matthias Christgen
- Institute of Pathology, Hannover Medical School, Hannover, Germany; Department of General Oncology, Unit 462, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Lavinia Middleton
- Department of Pathology, Unit 0085, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of General Oncology, Unit 462, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mediget Teshome
- Department of Breast Surgical Oncology, Unit 1434, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of General Oncology, Unit 462, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Azadeh Nasrazadani
- Department of Breast Medical Oncology, Unit 1354, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of General Oncology, Unit 462, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Gabriel Hortobagyi
- Department of Breast Medical Oncology, Unit 1354, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of General Oncology, Unit 462, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Amy Hassan
- Department of Pathology, Unit 0085, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of General Oncology, Unit 462, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Debasish Tripathy
- Department of Breast Medical Oncology, Unit 1354, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of General Oncology, Unit 462, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Rachel M Layman
- Department of Breast Medical Oncology, Unit 1354, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of General Oncology, Unit 462, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Seo T, Lowery AM, Xu H, Giang W, Troyanovsky SM, Vincent PA, Kowalczyk AP. MARCH family E3 ubiquitin ligases selectively target and degrade cadherin family proteins. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.10.552739. [PMID: 37609155 PMCID: PMC10441400 DOI: 10.1101/2023.08.10.552739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Cadherin family proteins play a central role in epithelial and endothelial cell-cell adhesion. The dynamic regulation of cell adhesion is achieved in part through endocytic membrane trafficking pathways that modulate cadherin cell surface levels. Here, we define the role for various MARCH family ubiquitin ligases in the regulation of cadherin degradation. We find that MARCH2 selectively downregulates VE-cadherin, resulting in loss of adherens junction proteins at cell borders and a loss of endothelial barrier function. Interestingly, N-cadherin is refractory to MARCH ligase expression, demonstrating that different classical cadherin family proteins are differentially regulated by MARCH family ligases. Using chimeric cadherins, we find that the specificity of different MARCH family ligases for different cadherins is conferred by the cadherin transmembrane domain. Further, juxta-membrane lysine residues are required for cadherin degradation by MARCH proteins. These findings expand our understanding of cadherin regulation and highlight a new role for mammalian MARCH family ubiquitin ligases in differentially regulating cadherin turnover.
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Affiliation(s)
- Tadahiko Seo
- Departments of Dermatology and Cellular and Molecular Physiology, Pennsylvania State College of Medicine, Hershey, Pennsylvania, United States of America
| | - Anthony M. Lowery
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York, United States of America
| | - Haifang Xu
- Departments of Dermatology and Cellular and Molecular Physiology, Pennsylvania State College of Medicine, Hershey, Pennsylvania, United States of America
| | - William Giang
- Departments of Dermatology and Cellular and Molecular Physiology, Pennsylvania State College of Medicine, Hershey, Pennsylvania, United States of America
| | - Sergey M. Troyanovsky
- Department of Dermatology, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
- Department of Cell and Developmental Biology, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Peter A. Vincent
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York, United States of America
| | - Andrew P. Kowalczyk
- Departments of Dermatology and Cellular and Molecular Physiology, Pennsylvania State College of Medicine, Hershey, Pennsylvania, United States of America
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10
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The morphologic spectrum of lobular carcinoma in situ (LCIS) observations on clinical significance, management implications and diagnostic pitfalls of classic, florid and pleomorphic LCIS. Virchows Arch 2022; 481:823-837. [PMID: 35567633 DOI: 10.1007/s00428-022-03299-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/04/2022] [Accepted: 02/07/2022] [Indexed: 12/14/2022]
Abstract
Lobular carcinoma in situ (LCIS) is a non-invasive proliferation of atypical dyscohesive epithelial cells characterized by loss or functional alteration of E-cadherin-mediated cell adhesion. The morphologic spectrum of LCIS encompasses classic (C-LCIS), florid (F-LCIS) and pleomorphic LCIS (P-LCIS), as recently defined by the World Health Organization (WHO) Expert Consensus Group. Atypical lobular hyperplasia (ALH) is also part of this spectrum.This article highlights the morphologic and immunohistochemical features of the three forms of LCIS and summarizes their management implications and prognosis, with emphasis on F-LCIS and P-LCIS.
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11
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Koufopoulos N, Pateras IS, Gouloumis AR, Ieronimaki AI, Zacharatou A, Spathis A, Leventakou D, Economopoulou P, Psyrri A, Arkadopoulos N, Panayiotides IG. Diagnostically Challenging Subtypes of Invasive Lobular Carcinomas: How to Avoid Potential Diagnostic Pitfalls. Diagnostics (Basel) 2022; 12:diagnostics12112658. [PMID: 36359501 PMCID: PMC9689338 DOI: 10.3390/diagnostics12112658] [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: 08/29/2022] [Revised: 10/11/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022] Open
Abstract
Invasive lobular carcinoma is the most common special breast carcinoma subtype, with unique morphological (discohesive cells, single-cell files, targetoid pattern) and immunohistochemical (loss of E-cadherin and β-catenin staining) features. Moreover, ILC displays a poor response to neoadjuvant therapy, a different metastatic pattern compared to invasive breast carcinoma of no special type, as well as unique molecular characteristics. In addition to the classic variant of invasive lobular carcinoma, several other well-recognized variants exist, including classic, alveolar, tubulolobular, solid, pleomorphic, signet-ring, and mixed. Furthermore, three novel variants of invasive lobular carcinoma, i.e., with extracellular mucin production, papillary features, and tubular elements, have been described during the last decade. We herewith focus on the unique morphological and immunohistochemical characteristics of these novel varieties of invasive lobular carcinoma, as well as differential diagnostic considerations and potential diagnostic pitfalls, especially when dealing with biopsy specimens.
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Affiliation(s)
- Nektarios Koufopoulos
- Second Department of Pathology, Medical School, Attikon University Hospital, National and Kapodistrian University of Athens, Chaidari, 12462 Athens, Greece
- Correspondence: ; Tel.: +30-697-203-0941
| | - Ioannis S. Pateras
- Second Department of Pathology, Medical School, Attikon University Hospital, National and Kapodistrian University of Athens, Chaidari, 12462 Athens, Greece
| | - Alina Roxana Gouloumis
- Second Department of Pathology, Medical School, Attikon University Hospital, National and Kapodistrian University of Athens, Chaidari, 12462 Athens, Greece
| | - Argyro Ioanna Ieronimaki
- Second Department of Pathology, Medical School, Attikon University Hospital, National and Kapodistrian University of Athens, Chaidari, 12462 Athens, Greece
| | - Andriani Zacharatou
- Second Department of Pathology, Medical School, Attikon University Hospital, National and Kapodistrian University of Athens, Chaidari, 12462 Athens, Greece
| | - Aris Spathis
- Second Department of Pathology, Medical School, Attikon University Hospital, National and Kapodistrian University of Athens, Chaidari, 12462 Athens, Greece
| | - Danai Leventakou
- Second Department of Pathology, Medical School, Attikon University Hospital, National and Kapodistrian University of Athens, Chaidari, 12462 Athens, Greece
| | - Panagiota Economopoulou
- Medical Oncology Unit, 2nd Department of Internal Medicine-Propaedeutic, Medical School, Attikon University Hospital, National and Kapodistrian University of Athens, Chaidari, 12462 Athens, Greece
| | - Amanda Psyrri
- Medical Oncology Unit, 2nd Department of Internal Medicine-Propaedeutic, Medical School, Attikon University Hospital, National and Kapodistrian University of Athens, Chaidari, 12462 Athens, Greece
| | - Nikolaos Arkadopoulos
- 4th Department of Surgery, Medical School, Attikon University Hospital, National and Kapodistrian University of Athens, Chaidari, 12462 Athens, Greece
| | - Ioannis G. Panayiotides
- Second Department of Pathology, Medical School, Attikon University Hospital, National and Kapodistrian University of Athens, Chaidari, 12462 Athens, Greece
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12
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Targeted molecular profiling of salivary duct carcinoma with rhabdoid features highlights parallels to other apocrine and discohesive neoplasms: which phenotype should drive classification? Head Neck Pathol 2022; 16:1063-1072. [PMID: 35794510 PMCID: PMC9729655 DOI: 10.1007/s12105-022-01464-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/17/2022] [Accepted: 05/22/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND Salivary duct carcinoma with rhabdoid features (SDC-RF) is a recently-described salivary gland tumor that bears striking histologic similarity to lobular carcinoma of the breast. While this tumor has an apocrine phenotype that supports classification as a variant of SDC, it infrequently arises in association with conventional SDC. Furthermore, discohesive architecture can be seen in non-apocrine salivary carcinomas, raising the possibility that discohesive growth should define a separate entity. In this study, we aimed to perform comprehensive molecular profiling of SDC-RF to better understand its pathogenesis and classification. METHODS We documented the clinicopathologic features of 9 cases of SDC-RF and performed immunostains including AR, GCDFP, and e-cadherin on all cases. We also performed targeted next generation sequencing (NGS) panels on 7 cases that had sufficient tissue available. RESULTS The SDC-RF represented 8 men and 1 woman with a median age of 67 years (range 63-83 years) and included 6 parotid, 2 buccal, and 1 submandibular primary. All tumors were uniformly composed of discohesive cells with abundant eosinophilic cytoplasm; signet-ring cell features were seen in 2 cases. All tumors were also positive for AR (100%) and GCDFP (100%), and 7 tumors (78%) displayed lost or abnormal e-cadherin. NGS highlighted concomitant PIK3CA and HRAS mutations in 4 tumors, with additional cases harboring TP53, PTEN, and AKT1 mutations. Furthermore, CDH1 alterations were seen in 6 cases, including a novel CDH1::CORO7 fusion. Among 5 patients with follow-up available, 3 (60%) developed local recurrence and widespread distant metastasis and died of disease at a median 20 months (range 10-48 months). CONCLUSIONS Overall, our findings confirm frequent CDH1 mutations and e-cadherin inactivation in SDC-RF, similar to discohesive tumors from other sites. We also highlight an apocrine molecular profile similar to conventional SDC. However, occasional AKT1 mutation and signet-ring features suggest SDC-RF may also be related to mucinous adenocarcinoma. As more salivary tumors with discohesive growth are identified, it may become clearer whether SDC-RF should remain in the SDC family or be recognized as a separate entity.
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13
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Christgen M, Kandt LD, Antonopoulos W, Bartels S, Van Bockstal MR, Bredt M, Brito MJ, Christgen H, Colpaert C, Cserni B, Cserni G, Daemmrich ME, Danebrock R, Dedeurwaerdere F, van Deurzen CH, Erber R, Fathke C, Feist H, Fiche M, Gonzalez CA, Ter Hoeve ND, Kooreman L, Krech T, Kristiansen G, Kulka J, Laenger F, Lafos M, Lehmann U, Martin-Martinez MD, Mueller S, Pelz E, Raap M, Ravarino A, Reineke-Plaass T, Schaumann N, Schelfhout AM, De Schepper M, Schlue J, Van de Vijver K, Waelput W, Wellmann A, Graeser M, Gluz O, Kuemmel S, Nitz U, Harbeck N, Desmedt C, Floris G, Derksen PW, van Diest PJ, Vincent-Salomon A, Kreipe H. Inter-observer agreement for the histological diagnosis of invasive lobular breast carcinoma. JOURNAL OF PATHOLOGY CLINICAL RESEARCH 2022; 8:191-205. [PMID: 34889530 PMCID: PMC8822373 DOI: 10.1002/cjp2.253] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 11/17/2021] [Accepted: 11/24/2021] [Indexed: 12/20/2022]
Abstract
Invasive lobular breast carcinoma (ILC) is the second most common breast carcinoma (BC) subtype and is mainly driven by loss of E‐cadherin expression. Correct classification of BC as ILC is important for patient treatment. This study assessed the degree of agreement among pathologists for the diagnosis of ILC. Two sets of hormone receptor (HR)‐positive/HER2‐negative BCs were independently reviewed by participating pathologists. In set A (61 cases), participants were provided with hematoxylin/eosin (HE)‐stained sections. In set B (62 cases), participants were provided with HE‐stained sections and E‐cadherin immunohistochemistry (IHC). Tumor characteristics were balanced. Participants classified specimens as non‐lobular BC versus mixed BC versus ILC. Pairwise inter‐observer agreement and agreement with a pre‐defined reference diagnosis were determined with Cohen's kappa statistics. Subtype calls were correlated with molecular features, including CDH1/E‐cadherin mutation status. Thirty‐five pathologists completed both sets, providing 4,305 subtype calls. Pairwise inter‐observer agreement was moderate in set A (median κ = 0.58, interquartile range [IQR]: 0.48–0.66) and substantial in set B (median κ = 0.75, IQR: 0.56–0.86, p < 0.001). Agreement with the reference diagnosis was substantial in set A (median κ = 0.67, IQR: 0.57–0.75) and almost perfect in set B (median κ = 0.86, IQR: 0.73–0.93, p < 0.001). The median frequency of CDH1/E‐cadherin mutations in specimens classified as ILC was 65% in set A (IQR: 56–72%) and 73% in set B (IQR: 65–75%, p < 0.001). Cases with variable subtype calls included E‐cadherin‐positive ILCs harboring CDH1 missense mutations, and E‐cadherin‐negative ILCs with tubular elements and focal P‐cadherin expression. ILCs with trabecular growth pattern were often misclassified as non‐lobular BC in set A but not in set B. In conclusion, subtyping of BC as ILC achieves almost perfect agreement with a pre‐defined reference standard, if assessment is supported by E‐cadherin IHC. CDH1 missense mutations associated with preserved E‐cadherin protein expression, E‐ to P‐cadherin switching in ILC with tubular elements, and trabecular ILC were identified as potential sources of discordant classification.
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Affiliation(s)
| | | | | | - Stephan Bartels
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | | | - Martin Bredt
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Maria Jose Brito
- Pathology and Breast Unit, Champalimaud Foundation, Lisbon, Portugal
| | | | - Cecile Colpaert
- Department of Pathology, Universitair Ziekenhuis Leuven, Leuven, Belgium
| | | | - Gábor Cserni
- Department of Pathology, University of Szeged, Szeged, Hungary
| | | | | | | | | | - Ramona Erber
- Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), and Comprehensive Cancer Center Erlangen-EMN (CCC ER-EMN), Erlangen, Germany
| | - Christine Fathke
- Institute of Pathology, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - Henning Feist
- Institute of Pathology, Diakonissenkrankenhaus Flensburg, Flensburg, Germany
| | - Maryse Fiche
- Institute of Pathology Aurigen, Aurigen SA, Lausanne, Switzerland
| | - Claudia Aura Gonzalez
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Natalie D Ter Hoeve
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Loes Kooreman
- Institute of Pathology and GROW - School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Till Krech
- Institute of Pathology, University Clinics Hamburg-Eppendorf, Hamburg, Germany.,Germany and Pathocom Network for Pathology, Osnabrück, Germany
| | | | - Janina Kulka
- 2nd Department of Pathology, Semmelweis University Budapest, Budapest, Hungary
| | - Florian Laenger
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Marcel Lafos
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Ulrich Lehmann
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | | | - Sophie Mueller
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Enrico Pelz
- Institute of Pathology Viersen, Viersen, Germany
| | - Mieke Raap
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | | | | | - Nora Schaumann
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | | | - Maxim De Schepper
- Department of Pathology, University Hospitals Leuven, Campus Gasthuisberg, Leuven, Belgium.,Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Jerome Schlue
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Koen Van de Vijver
- Cancer Research Institute Ghent, Ghent University Hospital, Ghent, Belgium
| | - Wim Waelput
- Department of Pathology, UZ Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | | | - Monika Graeser
- West German Study Group, Moenchengladbach, Germany.,Ev. Hospital Bethesda, Breast Center Niederrhein, Moenchengladbach, Germany.,Gynecologic University Clinic Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Oleg Gluz
- West German Study Group, Moenchengladbach, Germany.,Ev. Hospital Bethesda, Breast Center Niederrhein, Moenchengladbach, Germany
| | - Sherko Kuemmel
- West German Study Group, Moenchengladbach, Germany.,Breast Unit, Kliniken Essen-Mitte, Essen, Germany, and Charité - Universitätsmedizin Berlin, Department of Gynecology with Breast Center, Berlin, Germany
| | - Ulrike Nitz
- West German Study Group, Moenchengladbach, Germany.,Ev. Hospital Bethesda, Breast Center Niederrhein, Moenchengladbach, Germany
| | - Nadia Harbeck
- West German Study Group, Moenchengladbach, Germany.,Department of Gynecology and Obstetrics, Breast Center, University of Munich (LMU) and CCCLMU, Munich, Germany
| | - Christine Desmedt
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Giuseppe Floris
- Department of Pathology, University Hospitals Leuven, Campus Gasthuisberg, Leuven, Belgium.,Department of Imaging and Radiology, Laboratory for Cell and Tissue Translational Research, KU-Leuven/UZ Leuven, Leuven, Belgium
| | - Patrick Wb Derksen
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Paul J van Diest
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Anne Vincent-Salomon
- Pathology-Genetics-Immunology Department, Institut Curie, PSL Research University, Paris, France
| | - Hans Kreipe
- Institute of Pathology, Hannover Medical School, Hannover, Germany
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14
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Fernandez-Ferreira R, Dorantes-Heredia R, Motola-Kuba D, Ruiz-Morales JM, Alvarado-Luna G, Kinney-Novelo IM, Munoz-Montano WR, Fuentes-Calvo KJ. Epithelial-Cadherin Expression Is Associated With Better Recurrence-Free and Overall Survival in Invasive Lobular Breast Cancer in Mexican Women. World J Oncol 2022; 12:214-224. [PMID: 35059081 PMCID: PMC8734502 DOI: 10.14740/wjon1426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 11/27/2021] [Indexed: 11/11/2022] Open
Abstract
Background There are different clinicopathological characteristics that are associated with the prognosis in patients with breast cancer. To date, the prognostic valor of for epithelial cadherin (E cadherin) expression in invasive lobular breast cancer remains unknown. Methods A retrospective single-center study that included 207 patients with primary invasive lobular breast cancer was conducted. The primary outcome was to report the correlation of the different clinical pathological characteristics including the expression of epithelial-cadherin (E-cadherin) in invasive lobular breast cancer in Mexican women with recurrence-free survival (RFS) and overall survival (OS). Results After 11 years of follow-up of patients with invasive lobular breast cancer, RFS was 89.4% and OS of 96.1%. The best prognosis in RFS was in patients with negative nodes 95.2% (P = 0.0001) and OS was 98.6-100% (P = 0.0001). Regarding tumor size, an RFS of 98.3% was observed in those measuring ≤ 2 cm (P = 0.0001) and OS of 99.2% (P = 0.0001). Negative Her2 was related to an RFS of 92.1% (P = 0.0001), and had better OS of 98.3% (P = 0.0001). Ki67 proliferation index ≤ 14% was associated with an RFS of 93.2% (P = 0.005). Negative lymph vascular invasion (LVI) increases the RFS of 91.8% (P = 0.032). The rate of positive expression of E-cadherin was associated with an increase in the RFS of 97.4%, with a mean of 128.6 ± 2.4 months (95% confidence interval (CI): 123.75 - 133.45 months) compared to the absence of expression E-cadherin: signal log ratio (SLR) 68.9%, a mean of 95 ± 6 months (95% CI: 83.28 - 106.88 months), P <0.001. When the OS was analyzed, the presence of E-cadherin expression increased the OS of 100% vs. 86.9% with the absence, P = 0.015. Conclusions The prognostic impact of the different clinicopathological characteristics known worldwide was confirmed. Results of the analysis in the presented study indicate that positive expression of E-cadherin correlates with an improvement in OS and RFS in invasive lobular breast cancer in Mexican women.
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Affiliation(s)
- Ricardo Fernandez-Ferreira
- Oncology Medicine Department, Comprehensive Oncology Center "Diana Laura Riojas de Colosio", Medica Sur Clinic & Foundation, Mexico City, Mexico
| | - Rita Dorantes-Heredia
- Service of Anatomical Pathology, Medica Sur Clinic & Foundation, Mexico City, Mexico
| | - Daniel Motola-Kuba
- Oncology Medicine Department, Comprehensive Oncology Center "Diana Laura Riojas de Colosio", Medica Sur Clinic & Foundation, Mexico City, Mexico
| | - Jose-Manuel Ruiz-Morales
- Oncology Medicine Department, Comprehensive Oncology Center "Diana Laura Riojas de Colosio", Medica Sur Clinic & Foundation, Mexico City, Mexico
| | - Gabriela Alvarado-Luna
- Oncology Medicine Department, Comprehensive Oncology Center "Diana Laura Riojas de Colosio", Medica Sur Clinic & Foundation, Mexico City, Mexico
| | - Ileana Mac Kinney-Novelo
- Oncology Medicine Department, Comprehensive Oncology Center "Diana Laura Riojas de Colosio", Medica Sur Clinic & Foundation, Mexico City, Mexico
| | - Wendy-Rossemary Munoz-Montano
- Oncology Medicine Department, Comprehensive Oncology Center "Diana Laura Riojas de Colosio", Medica Sur Clinic & Foundation, Mexico City, Mexico
| | - Kevin-Joseph Fuentes-Calvo
- Oncology Medicine Department, Comprehensive Oncology Center "Diana Laura Riojas de Colosio", Medica Sur Clinic & Foundation, Mexico City, Mexico
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15
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De novo metastatic lobular breast carcinoma: A population-based study from SEER database. Asian J Surg 2022; 45:2608-2617. [PMID: 35012851 DOI: 10.1016/j.asjsur.2021.12.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 11/27/2021] [Accepted: 12/10/2021] [Indexed: 11/24/2022] Open
Abstract
PURPOSE Patients with metastatic lobular breast carcinoma constitute a heterogeneous group with distinguishing features. Our aim was to describe the features and survival of them, and further subdivide them into subcategories for prognostic stratification and treatment planning. PATIENTS AND METHODS Patients with de novo metastatic breast cancer from 2010 to 2018 were identified using the SEER database. Multivariate logistic regression analysis was conducted to calculate odds ratios. The within-pair difference was minimized by propensity score matching. Multiple comparisons based on Cox proportional hazards model were performed to investigate the interactions of M1 subcategory and treatment modality on survival. RESULTS A total of 1,675 patients with de novo metastatic lobular breast carcinoma were identified, they were more likely to have HR+/HER2- subtype, low histologic grade, low T/N stage, fewer metastatic sites, but worse prognosis compared with patients with metastatic ductular breast carcinoma. The M1 stage was subdivided into 3 subcategories with significantly different prognoses. The benefits of primary tumor surgery were more pronounced in M1a/b disease, whereas the benefits of chemotherapy increased with the progression of metastatic disease. CONCLUSION Patients with metastatic lobular breast carcinoma have unique clinicopathological characteristics and metastatic patterns. M1 subcategory assists prognosis stratification and treatment planning for such patients.
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16
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Ruan Y, Chen L, Xie D, Luo T, Xu Y, Ye T, Chen X, Feng X, Wu X. Mechanisms of Cell Adhesion Molecules in Endocrine-Related Cancers: A Concise Outlook. Front Endocrinol (Lausanne) 2022; 13:865436. [PMID: 35464064 PMCID: PMC9021432 DOI: 10.3389/fendo.2022.865436] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 03/09/2022] [Indexed: 11/13/2022] Open
Abstract
Chemotherapy is a critical treatment for endocrine-related cancers; however, chemoresistance and disease recurrence remain a challenge. The interplay between cancer cells and the tumor microenvironment via cell adhesion molecules (CAMs) promotes drug resistance, known as cell adhesion-mediated drug resistance (CAM-DR). CAMs are cell surface molecules that facilitate cell-to-cell or cell-to-extracellular matrix binding. CAMs exert an adhesion effect and trigger intracellular signaling that regulates cancer cell stemness maintenance, survival, proliferation, metastasis, epithelial-mesenchymal transition, and drug resistance. To understand these mechanisms, this review focuses on the role of CD44, cadherins, selectins, and integrins in CAM-DR in endocrine-related cancers.
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Affiliation(s)
- Yongsheng Ruan
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Yongsheng Ruan, ; Xuedong Wu,
| | - Libai Chen
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Danfeng Xie
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Tingting Luo
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yiqi Xu
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Tao Ye
- Department of Endocrinology, Affiliated Baoan Hospital of Shenzhen, Southern Medical University, Shenzhen, China
| | - Xiaona Chen
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoqin Feng
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xuedong Wu
- Department of Pediatrics, Nanfang Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Yongsheng Ruan, ; Xuedong Wu,
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17
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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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18
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HER2 Positive and HER2 Negative Classical Type Invasive Lobular Carcinomas: Comparison of Clinicopathologic Features. ACTA ACUST UNITED AC 2021; 28:1608-1617. [PMID: 33923191 PMCID: PMC8161831 DOI: 10.3390/curroncol28030150] [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: 03/04/2021] [Revised: 04/11/2021] [Accepted: 04/20/2021] [Indexed: 11/30/2022]
Abstract
Human epidermal growth factor receptor 2 (HER2) positive (+) classical type invasive lobular carcinoma (cILC) of the breast is extremely rare and its clinicopathologic features have not been well characterized. We compared features of HER2(+) and HER2 negative (−) cILCs. A total of 29 cases were identified from the clinical database at our institution from 2011-2019; 9 were HER2(+) cILC tumors and 20 were HER2(−) cILC tumors. The results reveal that HER2(+) cILC group had significantly increased Ki-67 expression and reduced estrogen receptor (ER) expression compared to HER2(−) cILC group (both p < 0.05). In addition, HER2(+) cILCs tended to be diagnosed at a younger age and more common in the left breast, and appeared to have a higher frequency of nodal or distant metastases. These clinicopathologic features suggest HER2(+) cILC tumors may have more aggressive behavior than their HER2(−) counterpart although both groups of tumors showed similar morphologic features. Future directions of the study: (1) To conduct a multi-institutional study with a larger case series of HER2(+) cILC to further characterize its clinicopathologic features; (2) to compare molecular profiles by next generation sequencing (NGS) assay between HER2(+) cILC and HER2(−) cILC cases to better understand tumor biology of this rare subset of HER2(+) breast cancer; and (3) to compare molecular characteristics of HER2(+) cILC and HER2(+) high grade breast cancer in conjunction with status of tumor response to anti-HER2 therapy to provide insight to management of this special type of low grade breast cancer to avoid unnecessary treatment and related toxicity
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19
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Privitera AP, Barresi V, Condorelli DF. Aberrations of Chromosomes 1 and 16 in Breast Cancer: A Framework for Cooperation of Transcriptionally Dysregulated Genes. Cancers (Basel) 2021; 13:1585. [PMID: 33808143 PMCID: PMC8037453 DOI: 10.3390/cancers13071585] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/21/2021] [Accepted: 03/24/2021] [Indexed: 12/13/2022] Open
Abstract
Derivative chromosome der(1;16), isochromosome 1q, and deleted 16q-producing arm-level 1q-gain and/or 16q-loss-are recurrent cytogenetic abnormalities in breast cancer, but their exact role in determining the malignant phenotype is still largely unknown. We exploited The Cancer Genome Atlas (TCGA) data to generate and analyze groups of breast invasive carcinomas, called 1,16-chromogroups, that are characterized by a pattern of arm-level somatic copy number aberrations congruent with known cytogenetic aberrations of chromosome 1 and 16. Substantial differences were found among 1,16-chromogroups in terms of other chromosomal aberrations, aneuploidy scores, transcriptomic data, single-point mutations, histotypes, and molecular subtypes. Breast cancers with a co-occurrence of 1q-gain and 16q-loss can be distinguished in a "low aneuploidy score" group, congruent to der(1;16), and a "high aneuploidy score" group, congruent to the co-occurrence of isochromosome 1q and deleted 16q. Another three groups are formed by cancers showing separately 1q-gain or 16q-loss or no aberrations of 1q and 16q. Transcriptome comparisons among the 1,16-chromogroups, integrated with functional pathway analysis, suggested the cooperation of overexpressed 1q genes and underexpressed 16q genes in the genesis of both ductal and lobular carcinomas, thus highlighting the putative role of genes encoding gamma-secretase subunits (APH1A, PSEN2, and NCSTN) and Wnt enhanceosome components (BCL9 and PYGO2) in 1q, and the glycoprotein E-cadherin (CDH1), the E3 ubiquitin-protein ligase WWP2, the deubiquitinating enzyme CYLD, and the transcription factor CBFB in 16q. The analysis of 1,16-chromogroups is a strategy with far-reaching implications for the selection of cancer cell models and novel experimental therapies.
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Affiliation(s)
| | - Vincenza Barresi
- Department of Biomedical and Biotechnological Sciences, Section of Medical Biochemistry, University of Catania, Via S. Sofia 89-97, 95123 Catania, Italy;
| | - Daniele Filippo Condorelli
- Department of Biomedical and Biotechnological Sciences, Section of Medical Biochemistry, University of Catania, Via S. Sofia 89-97, 95123 Catania, Italy;
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20
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LC-MS/MS-Based Quantitative Proteomics Analysis of Different Stages of Non-Small-Cell Lung Cancer. BIOMED RESEARCH INTERNATIONAL 2021; 2021:5561569. [PMID: 33728331 PMCID: PMC7937045 DOI: 10.1155/2021/5561569] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 01/25/2021] [Accepted: 02/07/2021] [Indexed: 12/11/2022]
Abstract
Lung cancer has a higher incidence rate and mortality rate than all other cancers. Early diagnosis and treatment of lung cancer remain a major challenge, and the 5-year survival rate of its patients is only 15%. Basic and clinical research, especially the discovery of biomarkers, is crucial for improving the diagnosis and treatment of lung cancer patients. To identify novel biomarkers for lung cancer, we used the iTRAQ8-plex labeling technology combined with liquid chromatography-tandem mass spectrometry (LC-MS/MS) to analyze the serum and urine of patients with different stages of lung adenocarcinoma and healthy individuals. A total of 441 proteins were identified in the serum, and 1,161 proteins were identified in the urine. The levels of elongation factor 1-alpha 2, proteasome subunit alpha type, and spermatogenesis-associated protein increased significantly in the serum of patients with lung cancer compared with those in healthy controls. The levels of transmembrane protein 143, cadherin 5, fibronectin 1, and collectin-11 decreased significantly in the serum of patients with metastases compared with those of nonmetastatic lung cancer patients. In the urine of stage III and IV lung cancer patients, the prostate-specific antigen and prostatic acid phosphatase decreased significantly, whereas neutrophil defensin 1 increased significantly. The results of LC-MS/MS were confirmed by enzyme-linked immunosorbent assay (ELISA) for transmembrane protein 143, cadherin 5, fibronectin 1, and collectin-11 in the serum. These proteins may be a potential early diagnosis and metastasis biomarkers for lung adenocarcinoma. Furthermore, the relative content of these markers in the serum and urine could be used to determine the progression of lung adenocarcinoma and achieve accurate staging and diagnosis.
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21
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Xu X, Zhang M, Xu F, Jiang S. Wnt signaling in breast cancer: biological mechanisms, challenges and opportunities. Mol Cancer 2020; 19:165. [PMID: 33234169 PMCID: PMC7686704 DOI: 10.1186/s12943-020-01276-5] [Citation(s) in RCA: 240] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 10/22/2020] [Indexed: 02/07/2023] Open
Abstract
Wnt signaling is a highly conserved signaling pathway that plays a critical role in controlling embryonic and organ development, as well as cancer progression. Genome-wide sequencing and gene expression profile analyses have demonstrated that Wnt signaling is involved mainly in the processes of breast cancer proliferation and metastasis. The most recent studies have indicated that Wnt signaling is also crucial in breast cancer immune microenvironment regulation, stemness maintenance, therapeutic resistance, phenotype shaping, etc. Wnt/β-Catenin, Wnt-planar cell polarity (PCP), and Wnt-Ca2+ signaling are three well-established Wnt signaling pathways that share overlapping components and play different roles in breast cancer progression. In this review, we summarize the main findings concerning the relationship between Wnt signaling and breast cancer and provide an overview of existing mechanisms, challenges, and potential opportunities for advancing the therapy and diagnosis of breast cancer.
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Affiliation(s)
- Xiufang Xu
- School of Medical Imaging, Hangzhou Medical College, Hangzhou, 310053 Zhejiang China
| | - Miaofeng Zhang
- Department of Orthopedic Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009 Zhejiang China
| | - Faying Xu
- School of Medical Imaging, Hangzhou Medical College, Hangzhou, 310053 Zhejiang China
| | - Shaojie Jiang
- School of Medical Imaging, Hangzhou Medical College, Hangzhou, 310053 Zhejiang China
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22
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Otake S, Itoh Y, Omata C, Saitoh M, Miyazawa K. ZEB1 and oncogenic Ras constitute a regulatory switch for stimulus-dependent E-cadherin downregulation. Cancer Sci 2020; 112:205-216. [PMID: 33068045 PMCID: PMC7780036 DOI: 10.1111/cas.14701] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 10/05/2020] [Accepted: 10/12/2020] [Indexed: 12/12/2022] Open
Abstract
E-cadherin, an epithelial cell-specific cell adhesion molecule, has both promoting and suppressing effects on tumor invasion and metastasis. It is often downregulated during cancer progression through gene deletion/mutation, transcriptional repression, or epigenetic silencing. We describe a novel regulatory switch to induce stimulus-dependent downregulation of mRNA encoding E-cadherin (CDH1 mRNA) in KRAS-mutated cancer cells. The regulatory switch consists of ZEB1 and oncogenic K-Ras, does not target the promoter region of CDH1, and requires an external cue to temporally downregulate E-cadherin expression. Its repressive effect is maintained as long as the external stimulus continues and is attenuated with cessation of the stimulus. Contextual external cues that turn this regulatory switch on include activation of protein kinase C or fibroblast growth factor signaling. The mode of action is distinct from that of EPCAM repression by ZEB1, which does not require an external cue. Thus, KRAS-mutated cancer cells acquire a novel mode of regulating E-cadherin expression depending on ZEB1, which could contribute to phenotypic plasticity of cancer cells during malignant progression.
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Affiliation(s)
- Shigeo Otake
- Department of Biochemistry, Graduate School of Medicine, University of Yamanashi, Chuo, Japan
| | - Yuka Itoh
- Department of Biochemistry, Graduate School of Medicine, University of Yamanashi, Chuo, Japan
| | - Chiho Omata
- Department of Biochemistry, Graduate School of Medicine, University of Yamanashi, Chuo, Japan
| | - Masao Saitoh
- Department of Biochemistry, Graduate School of Medicine, University of Yamanashi, Chuo, Japan.,Center for Medical Education and Science, Graduate School of Medicine, University of Yamanashi, Chuo, Japan
| | - Keiji Miyazawa
- Department of Biochemistry, Graduate School of Medicine, University of Yamanashi, Chuo, Japan
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23
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Dermawan JKT, Policarpio-Nicolas ML. Malignancies in Pleural, Peritoneal, and Pericardial Effusions. Arch Pathol Lab Med 2020; 144:1086-1091. [PMID: 31913661 DOI: 10.5858/arpa.2019-0429-oa] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/13/2019] [Indexed: 11/06/2022]
Abstract
CONTEXT.— The incidence and types of malignancies in effusion cytology are largely limited to studies performed in the 1970s through the 1990s. OBJECTIVE.— To examine how the incidence of different types of malignancies in effusions has changed with time. DESIGN.— A computerized search for fluid cytology from 2000 through 2016 (database included age, gender, cytologic diagnosis, and type of malignancy) was performed, and all cases were reviewed. RESULTS.— Of 30 085 effusion specimens, 3285 (11%) were positive for malignancy (2175 pleural, 955 peritoneal, and 155 pericardial). Of those, 1023 (31%) had known primary sites (648 pleural, 267 peritoneal, and 108 pericardial). Malignancy was more common in females than males in both pleural (15% versus 9%) and peritoneal (14% versus 5%) effusions (P < .001). The most common metastatic tumors in pleural fluid were lung for males and breast for females; in peritoneal fluid, hematolymphoid for males and Müllerian tumors for females; in pericardial fluid, lung for both genders. Among invasive mammary carcinomas, lobular carcinoma tended to metastasize to peritoneal fluid, whereas ductal carcinoma tended to metastasize to pleural fluid (P < .001). Plasma cell neoplasms metastasized to pleural and pericardial but not peritoneal fluid (P = .002). CONCLUSIONS.— Although pulmonary and Müllerian tumors continue to be the most common origin of metastasis in pleural and peritoneal fluid for males and females, respectively, the frequencies for other malignancies have changed. Familiarity with the more common sites of metastasis in effusion cytology is important, especially in patients with unknown primary, as this will be valuable in judicious triaging of specimens for ancillary studies.
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Affiliation(s)
- Josephine Kam Tai Dermawan
- Department of Pathology, Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, Ohio
| | - Maria Luisa Policarpio-Nicolas
- Department of Pathology, Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, Ohio
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24
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Corso G, Figueiredo J, De Angelis SP, Corso F, Girardi A, Pereira J, Seruca R, Bonanni B, Carneiro P, Pravettoni G, Guerini Rocco E, Veronesi P, Montagna G, Sacchini V, Gandini S. E-cadherin deregulation in breast cancer. J Cell Mol Med 2020; 24:5930-5936. [PMID: 32301282 PMCID: PMC7294130 DOI: 10.1111/jcmm.15140] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/31/2020] [Accepted: 02/06/2020] [Indexed: 12/13/2022] Open
Abstract
E‐cadherin protein (CDH1 gene) integrity is fundamental to the process of epithelial polarization and differentiation. Deregulation of the E‐cadherin function plays a crucial role in breast cancer metastases, with worse prognosis and shorter overall survival. In this narrative review, we describe the inactivating mechanisms underlying CDH1 gene activity and its possible translation to clinical practice as a prognostic biomarker and as a potential targeted therapy.
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Affiliation(s)
- Giovanni Corso
- Division of Breast Surgery, European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-Oncology, Faculty of Medicine, University of Milan, Milan, Italy
| | - Joana Figueiredo
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,IPATIMUP - Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
| | | | - Federica Corso
- Department of Experimental Oncology, European Institute of Oncology IRCCS, Milan, Italy
| | - Antonia Girardi
- Division of Breast Surgery, European Institute of Oncology IRCCS, Milan, Italy
| | - Joana Pereira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,IPATIMUP - Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal.,Faculty of Medicine, University of Porto, Porto, Portugal
| | - Raquel Seruca
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,IPATIMUP - Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal.,Faculty of Medicine, University of Porto, Porto, Portugal
| | - Bernardo Bonanni
- Division of Cancer Prevention and Genetics, European Institute of Oncology IRCCS, Milan, Italy
| | - Patricia Carneiro
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,IPATIMUP - Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
| | - Gabriella Pravettoni
- Department of Oncology and Hemato-Oncology, Faculty of Medicine, University of Milan, Milan, Italy.,Division of Applied Research Division for Cognitive and Psychological Science, European Institute of Oncology IRCCS, Milan, Italy
| | - Elena Guerini Rocco
- Department of Oncology and Hemato-Oncology, Faculty of Medicine, University of Milan, Milan, Italy.,Division of Pathology, European Institute of Oncology IRCCS, Milan, Italy
| | - Paolo Veronesi
- Division of Breast Surgery, European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-Oncology, Faculty of Medicine, University of Milan, Milan, Italy
| | - Giacomo Montagna
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Virgilio Sacchini
- Department of Oncology and Hemato-Oncology, Faculty of Medicine, University of Milan, Milan, Italy.,Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Sara Gandini
- Department of Experimental Oncology, European Institute of Oncology IRCCS, Milan, Italy
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25
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Panigrahi B, Miles RC, Chou SHS, Brackett DG, Sohn YJ, Lehman C. Rare case of invasive lobular carcinoma in a male. Radiol Case Rep 2020; 15:727-729. [PMID: 32304318 PMCID: PMC7152592 DOI: 10.1016/j.radcr.2020.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 02/12/2020] [Accepted: 02/13/2020] [Indexed: 11/15/2022] Open
Abstract
Invasive lobular carcinoma (ILC) in the male breast is a rare subtype of a rare disease in men, accounting for approximately 1%-2% of all male breast cancers [1,2]. Only a few cases have been reported in the literature. The pathophysiology is uncommon due to a paucity of lobular development seen in men. We present a rare case of ILC in the male breast, highlighting imaging, pathology findings, and clinical management.
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Affiliation(s)
- Babita Panigrahi
- Department of Radiology, Massachusetts General Hospital, 55 Fruit St Boston, MA 02114-2696, USA
| | - Randy C Miles
- Department of Radiology, Massachusetts General Hospital, 55 Fruit St Boston, MA 02114-2696, USA
| | - Shinn-Huey S Chou
- Department of Radiology, Massachusetts General Hospital, 55 Fruit St Boston, MA 02114-2696, USA
| | - Diane Grace Brackett
- Department of Pathology, Massachusetts General Hospital, 55 Fruit St Boston, MA, USA
| | - Young-Jin Sohn
- Department of Radiology, Massachusetts General Hospital, 55 Fruit St Boston, MA 02114-2696, USA
| | - Constance Lehman
- Department of Radiology, Massachusetts General Hospital, 55 Fruit St Boston, MA 02114-2696, USA
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26
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Jia Y, Guo Y, Jin Q, Qu H, Qi D, Song P, Zhang X, Wang X, Xu W, Dong Y, Liang Y, Quan C. A SUMOylation-dependent HIF-1α/CLDN6 negative feedback mitigates hypoxia-induced breast cancer metastasis. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2020; 39:42. [PMID: 32093760 PMCID: PMC7038627 DOI: 10.1186/s13046-020-01547-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 02/14/2020] [Indexed: 12/21/2022]
Abstract
Background We have previously described CLDN6 as a tumor suppressor gene in breast cancer. Here, a new finding is that CLDN6 was upregulated under hypoxia, a commonly recognized factor that promotes tumor metastasis. In this study, we aim to explain this confusing finding and delineate the role of CLDN6 in the breast cancer metastasis induced by hypoxia. Methods RNAi and ChIP assays were used to confirm that CLDN6 is transcriptional regulated by HIF-1α. mRNA seq and KEGG analysis were performed to define the downstream pathways of CLDN6. The roles of the CLDN6/SENP1/HIF-1α signaling on tumor metastasis were evaluated by function experiments and clinical samples. Finally, the possible transcription factor of SENP1 was suspected and then validated by ChIP assay. Results We demonstrated a previously unrecognized negative feedback loop exists between CLDN6 and HIF-1α. CLDN6 was transcriptionally up-regulated by HIF-1α under hypoxia. On the other hand, in cytoplasm CLDN6 combines and retains β-catenin, a transcription factor of SENP1, causing β-catenin degradation and preventing its nuclear translocation. This process reduced SENP1 expression and prevented the deSUMOylation of HIF-1α, ultimately leading to HIF-1α degradation and breast cancer metastasis suppression. Conclusions Our data provide a molecular mechanistic insight indicating that CLDN6 loss may lead to elevated HIF-1α-driven breast cancer metastasis in a SUMOylation-dependent manner.
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Affiliation(s)
- Yiyang Jia
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, Jilin, 130021, People's Republic of China
| | - Yantong Guo
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, Jilin, 130021, People's Republic of China
| | - Qiu Jin
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, Jilin, 130021, People's Republic of China
| | - Huinan Qu
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, Jilin, 130021, People's Republic of China
| | - Da Qi
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, Jilin, 130021, People's Republic of China
| | - Peiye Song
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, Jilin, 130021, People's Republic of China
| | - Xiaoli Zhang
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, Jilin, 130021, People's Republic of China
| | - Xinqi Wang
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, Jilin, 130021, People's Republic of China
| | - Wenhong Xu
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, Jilin, 130021, People's Republic of China
| | - Yuan Dong
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, Jilin, 130021, People's Republic of China
| | - Yingying Liang
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, Jilin, 130021, People's Republic of China
| | - Chengshi Quan
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, Jilin, 130021, People's Republic of China.
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27
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Christgen M, Bartels S, van Luttikhuizen JL, Bublitz J, Rieger LU, Christgen H, Stark H, Sander B, Lehmann U, Steinemann D, Derksen PWB, Kreipe H. E-cadherin to P-cadherin switching in lobular breast cancer with tubular elements. Mod Pathol 2020; 33:2483-2498. [PMID: 32572153 PMCID: PMC7685979 DOI: 10.1038/s41379-020-0591-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 05/13/2020] [Accepted: 05/14/2020] [Indexed: 12/12/2022]
Abstract
Loss of E-cadherin expression due to mutation of the CDH1 gene is a characteristic feature of invasive lobular breast cancer (ILBC). Beta-catenin, which binds to the cytoplasmic domain of E-cadherin, is simultaneously downregulated, reflecting disassembly of adherens junctions (AJs) and loss of cell adhesion. E-cadherin to P-cadherin expression switching can rescue AJs and cell adhesion. However, P-cadherin has not been implicated in ILBC, so far. We aimed to characterize 13 ILBCs with exceptional histomorphology, which we termed ILBCs with tubular elements. The CDH1 mutational status was determined by next generation sequencing and whole-genome copy number (CN) profiling. Expression of cadherins was assessed by immunohistochemistry. ILBCs with tubular elements were ER-positive (13/13) and HER2-negative (13/13) and harbored deleterious CDH1 mutations (11/13) accompanied by loss of heterozygosity due to deletion of chromosome 16q22.1 (9/11). E-cadherin expression was lost or reduced in noncohesive tumor cells and in admixed tubular elements (13/13). Beta-catenin expression was lost in noncohesive tumor cells, but was retained in tubular elements (11/13), indicating focal rescue of AJ formation. N-cadherin and R-cadherin were always negative (0/13). Strikingly, P-cadherin was commonly positive (12/13) and immunoreactivity was accentuated in tubular elements. Adjacent lobular carcinoma in situ (LCIS) was always P-cadherin-negative (0/7). In a reference cohort of LCIS specimens, P-cadherin was constantly not expressed (0/25). In a reference cohort of invasive mammary carcinomas, P-cadherin-positive cases (36/268, 13%) were associated with triple-negative nonlobular breast cancer (P < 0.001). Compared with ILBCs from the reference cohort, P-cadherin expression was more common in ILBCs with tubular elements (12/13 versus 7/84, P < 0.001). In summary, E-cadherin to P-cadherin switching occurs in a subset of ILBCs. P-cadherin is the molecular determinant of a mixed-appearing histomorphology in ILBCs with tubular elements.
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Affiliation(s)
| | - Stephan Bartels
- grid.10423.340000 0000 9529 9877Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Jana L. van Luttikhuizen
- grid.10423.340000 0000 9529 9877Department of Human Genetics, Hannover Medical School, Hannover, Germany
| | - Janin Bublitz
- grid.10423.340000 0000 9529 9877Department of Human Genetics, Hannover Medical School, Hannover, Germany
| | - Luisa U. Rieger
- grid.10423.340000 0000 9529 9877Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Henriette Christgen
- grid.10423.340000 0000 9529 9877Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Helge Stark
- grid.10423.340000 0000 9529 9877Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Bjoern Sander
- grid.10423.340000 0000 9529 9877Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Ulrich Lehmann
- grid.10423.340000 0000 9529 9877Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Doris Steinemann
- grid.10423.340000 0000 9529 9877Department of Human Genetics, Hannover Medical School, Hannover, Germany
| | - Patrick W. B. Derksen
- grid.7692.a0000000090126352Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Hans Kreipe
- grid.10423.340000 0000 9529 9877Institute of Pathology, Hannover Medical School, Hannover, Germany
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28
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Schaumann N, Raap M, Hinze L, Rieger L, Schürch CM, Antonopoulos W, Avril S, Krech T, Dämmrich M, Kayser G, Puls F, Länger F, Tinguely M, Kreipe H, Christgen M. Lobular neoplasia and invasive lobular breast cancer: Inter-observer agreement for histological grading and subclassification. Pathol Res Pract 2019; 215:152611. [PMID: 31551174 DOI: 10.1016/j.prp.2019.152611] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 08/19/2019] [Accepted: 08/19/2019] [Indexed: 12/01/2022]
Abstract
Lobular neoplasia (LN), invasive lobular breast cancer (ILBC) and related pleomorphic variants represent a distinct group of neoplastic mammary gland lesions. This study assessed the inter-observer agreement of histological grading in a series of ILBC and LN. 54 cases (36x ILBC, 18x LN) were evaluated by 17 observers. 3978 classification calls on various histological features, including nuclear grade, proliferative activity (Ki67 immunohistochemistry, categorical scoring), histological grade and pleomorphism were obtained. Pairwise Cohen's kappa values were calculated and compared between various features and different observer subsets with variable histomorphological experience. In ILBC, pairwise inter-observer agreement for histological grade ranged from poor to almost perfect concordance and was higher in advanced and experienced histopathologists compared with beginners (P < 0.001). Agreement for proliferation (Ki67) ranged from slight to almost perfect concordance and was also higher in advanced and experienced histopathologists (P < 0.001). Considering different features, agreement for proliferation (Ki67) was superior to agreement for histological grade and nuclear grade, even among advanced and experienced histopathologists (P < 0.001). In LN, agreement for B-classification ranged from poor to almost perfect concordance and was higher in advanced and experienced histopathologists (P < 0.001). Considering different features, agreement for proliferation (Ki67 in LN) was superior to subclassification agreement based on conventional features, such as acinar distention and nuclear grade (P < 0.001). In summary, pairwise inter-observer concordance of histological grading of ILBC and LN is dependent on histomorphological experience. Assessment of proliferation by Ki67 immunohistochemistry is associated with favorable inter-observer agreement and can improve histological grading of ILBC as well as LN.
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Affiliation(s)
- Nora Schaumann
- Institute of Pathology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany.
| | - Mieke Raap
- Institute of Pathology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Laura Hinze
- Institute of Pathology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Luisa Rieger
- Institute of Pathology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Christian M Schürch
- Institute of Pathology, University of Bern, Murtenstr. 31, 3008 Bern, Switzerland
| | - Wiebke Antonopoulos
- Institute of Pathology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Stefanie Avril
- Department of Pathology, Case Western Reserve University School of Medicine, University Hospitals Cleveland Medical Center, 10900 Euclid Ave., Cleveland, OH 44106-7288, USA
| | - Till Krech
- Institute of Pathology, Universitätsklinikum Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
| | - Maximilian Dämmrich
- Gemeinschaftspraxis für Pathologie, Alte Bahnhofstr. 1, 97422 Schweinfurt, Germany
| | - Gian Kayser
- Institute of Surgical Pathology, University Hospital Freiburg, Faculty of Medicine, University of Freiburg, Breisacher Str. 115a, 79106 Freiburg, Germany
| | - Florian Puls
- Department of Pathology and Genetics, University of Gothenburg, Gula Stråket 8, 413 46 Göteborg, Sweden
| | - Florian Länger
- Institute of Pathology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Marianne Tinguely
- Institute of Pathology Enge, Hardturmstrasse 133, 8005 Zürich, Switzerland
| | - Hans Kreipe
- Institute of Pathology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Matthias Christgen
- Institute of Pathology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
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The molecular mechanisms underlying reduced E-cadherin expression in invasive ductal carcinoma of the breast: high throughput analysis of large cohorts. Mod Pathol 2019; 32:967-976. [PMID: 30760857 DOI: 10.1038/s41379-019-0209-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 12/23/2018] [Accepted: 12/28/2018] [Indexed: 12/24/2022]
Abstract
E-cadherin is a tumor suppressor gene in invasive lobular breast cancer. However, a proportion of high-grade ductal carcinoma shows reduced/loss of E-cadherin. In this study, we assessed the underlying mechanisms and molecular implications of E-cadherin loss in invasive ductal carcinoma. This study used large, well-characterized cohorts of early-stage breast cancer-evaluated E-cadherin expression via various platforms including immunohistochemistry, microarray analysis using Illumina HT-12 v3, copy number analysis using Affymetrix SNP 6.0 arrays, and next-generation sequencing for differential gene expression. Our results showed 27% of high-grade invasive ductal carcinoma showed reduced/loss of E-cadherin membranous expression. CDH1 copy number loss was in 21% of invasive ductal carcinoma, which also showed low CDH1 mRNA expression (p = 0.003). CDH1 copy number was associated with copy number loss of TP53, ATM, BRCA1, and BRCA2 (p < 0.001). Seventy-nine percent of invasive ductal carcinoma with reduced CDH1 mRNA expression showed elevated expression of E-cadherin transcription suppressors TWIST2, ZEB2, NFKB1, LLGL2, CTNNB1 (p < 0.01). Reduced/loss E-cadherin expression was associated with differential expression of 2143 genes including those regulating Wnt (FZD2, GNG5, HLTF, WNT2, and CER1) and PIK3-AKT (FGFR2, GNF5, GNGT1, IFNA17, and IGF1) signaling pathways. Interestingly, key genes differentially expressed between invasive lobular carcinoma and invasive ductal tumors did not show association with E-cadherin loss in invasive ductal carcinoma. We conclude that E-cadherin loss in invasive ductal carcinoma is likely a consequence of genomic instability occurring during carcinogenesis. Potential novel regulators controlling E-cadherin expression in invasive ductal carcinoma warrant further investigation.
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Lima ZS, Ghadamzadeh M, Arashloo FT, Amjad G, Ebadi MR, Younesi L. Recent advances of therapeutic targets based on the molecular signature in breast cancer: genetic mutations and implications for current treatment paradigms. J Hematol Oncol 2019; 12:38. [PMID: 30975222 PMCID: PMC6460547 DOI: 10.1186/s13045-019-0725-6] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 03/27/2019] [Indexed: 02/07/2023] Open
Abstract
Breast cancer is the most common malignancy in women all over the world. Genetic background of women contributes to her risk of having breast cancer. Certain inherited DNA mutations can dramatically increase the risk of developing certain cancers and are responsible for many of the cancers that run in some families. Regarding the widespread multigene panels, whole exome sequencing is capable of providing the evaluation of genetic function mutations for development novel strategy in clinical trials. Targeting the mutant proteins involved in breast cancer can be an effective therapeutic approach for developing novel drugs. This systematic review discusses gene mutations linked to breast cancer, focusing on signaling pathways that are being targeted with investigational therapeutic strategies, where clinical trials could be potentially initiated in the future are being highlighted.
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Affiliation(s)
- Zeinab Safarpour Lima
- Shahid Akbar Abadi Clinical Research Development Unit (ShCRDU), Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Mostafa Ghadamzadeh
- Departement of Radiology, Hasheminejad Kidney Centre (HKC), Iran University of Medical Sciences, Tehran, Iran
| | | | - Ghazaleh Amjad
- Shahid Akbar Abadi Clinical Research Development Unit (ShCRDU), Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Mohammad Reza Ebadi
- Shohadaye Haft-e-tir Hospital, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Ladan Younesi
- Shahid Akbar Abadi Clinical Research Development Unit (ShCRDU), Iran University of Medical Sciences (IUMS), Tehran, Iran
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31
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Borcherding N, Cole K, Kluz P, Jorgensen M, Kolb R, Bellizzi A, Zhang W. Re-Evaluating E-Cadherin and β-Catenin: A Pan-Cancer Proteomic Approach with an Emphasis on Breast Cancer. THE AMERICAN JOURNAL OF PATHOLOGY 2018; 188:1910-1920. [PMID: 29879416 DOI: 10.1016/j.ajpath.2018.05.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 03/16/2018] [Accepted: 05/03/2018] [Indexed: 12/11/2022]
Abstract
E-cadherin is conventionally considered to be a good prognostic marker in cancer. The loss of E-cadherin is one of the key hallmarks of epithelial-to-mesenchymal transition, a biological process that promotes cancer cell invasiveness and metastasis. Recent evidence has cast doubt on the importance of epithelial-to-mesenchymal transition in metastasis. The availability of protein-level data in the Cancer Genome Atlas allows for the quantitative analysis of protein and prognosis. The prognostic values of E-cadherin and β-catenin were revisited across 19 cancer types, and high E-cadherin was found to correlate with good prognosis in most cancers. Conversely, higher E-cadherin and β-catenin correlated with shorter survival in invasive breast carcinoma. Stratifying breast cancers by histologic subtype revealed that the poor prognosis of E-cadherin and β-catenin proteins was characteristic of infiltrating ductal, but not lobular, carcinomas. To further corroborate the protein findings and examine cellular localization, immunohistochemistry was used for E-cadherin and β-catenin in 163 breast patient samples from the Iowa cohort. Most previous studies showing that reduced or absent E-cadherin and β-catenin was inversely associated with tumor stages in ductal carcinomas were confirmed. Taken together, these results lead us to question the prognostic values of E-cadherin and β-catenin in ductal carcinomas and indicate a complicated role of E-cadherin and β-catenin in breast cancer progression.
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Affiliation(s)
- Nicholas Borcherding
- Department of Pathology, College of Medicine, University of Iowa, Iowa City, Iowa; Cancer Biology Graduate Program, College of Medicine, University of Iowa, Iowa City, Iowa; Medical Scientist Training Program, College of Medicine, University of Iowa, Iowa City, Iowa; Holden Comprehensive Cancer Center, College of Medicine, University of Iowa, Iowa City, Iowa
| | - Kimberly Cole
- Department of Pathology, College of Medicine, University of Iowa, Iowa City, Iowa
| | - Paige Kluz
- Department of Pathology, College of Medicine, University of Iowa, Iowa City, Iowa; Free Radical and Radiation Biology Program, College of Medicine, University of Iowa, Iowa City, Iowa
| | - Michael Jorgensen
- Department of Pathology, College of Medicine, University of Iowa, Iowa City, Iowa
| | - Ryan Kolb
- Department of Pathology, College of Medicine, University of Iowa, Iowa City, Iowa; Holden Comprehensive Cancer Center, College of Medicine, University of Iowa, Iowa City, Iowa
| | - Andrew Bellizzi
- Department of Pathology, College of Medicine, University of Iowa, Iowa City, Iowa; Holden Comprehensive Cancer Center, College of Medicine, University of Iowa, Iowa City, Iowa.
| | - Weizhou Zhang
- Department of Pathology, College of Medicine, University of Iowa, Iowa City, Iowa; Cancer Biology Graduate Program, College of Medicine, University of Iowa, Iowa City, Iowa; Medical Scientist Training Program, College of Medicine, University of Iowa, Iowa City, Iowa; Holden Comprehensive Cancer Center, College of Medicine, University of Iowa, Iowa City, Iowa; Free Radical and Radiation Biology Program, College of Medicine, University of Iowa, Iowa City, Iowa.
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32
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Li J, Li M, Chen P, Ba Q. High expression of PALB2 predicts poor prognosis in patients with advanced breast cancer. FEBS Open Bio 2017; 8:56-63. [PMID: 29321957 PMCID: PMC5757176 DOI: 10.1002/2211-5463.12356] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 10/31/2017] [Accepted: 11/07/2017] [Indexed: 11/28/2022] Open
Abstract
PALB2 mutation is associated with increased breast cancer risk; however, PALB2 mutation is rare in sporadic breast cancer cases and little is known about PALB2 expression in breast cancer. Here, we evaluated the prognostic effects of PALB2 with tissue microarray specimens of 117 female breast cancer patients, and determined the potential underlying mechanisms in cell models. In immunohistochemical analysis, we found increased expression of PALB2 in breast cancer tissues compared with the adjacent normal ductal epithelium (P < 0.001). Higher PALB2 scores were positively associated with histological grade and higher PALB2 expression was found in patients that were Her‐2 negative compared with those that were positive (P < 0.05). Interestingly, higher expression of PALB2 was significantly associated with poorer overall survival (P < 0.01) in patients with stage III or nearby lymph node metastasis (N1, N2 or N3). In vitro studies found that PALB2 may promote the migration and invasion of MDA‐MB‐231 cells through E‐cadherin suppression and NF‐κB activation. In conclusion, these results suggest that PALB2 expression levels may serve as a novel prognostic factor for breast cancer patients.
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Affiliation(s)
- Jingquan Li
- School of Public Health Shanghai Jiao Tong University School of Medicine China
| | - Mian Li
- Key Laboratory of Food Safety Research Institute for Nutritional Sciences Shanghai Institutes for Biological Sciences Chinese Academy of Sciences China
| | - Peizhan Chen
- School of Public Health Shanghai Jiao Tong University School of Medicine China
| | - Qian Ba
- School of Public Health Shanghai Jiao Tong University School of Medicine China
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33
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Mathematical models in cancer therapy. Biosystems 2017; 162:12-23. [DOI: 10.1016/j.biosystems.2017.08.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 08/07/2017] [Accepted: 08/17/2017] [Indexed: 02/07/2023]
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Wong SHM, Fang CM, Chuah LH, Leong CO, Ngai SC. E-cadherin: Its dysregulation in carcinogenesis and clinical implications. Crit Rev Oncol Hematol 2017; 121:11-22. [PMID: 29279096 DOI: 10.1016/j.critrevonc.2017.11.010] [Citation(s) in RCA: 241] [Impact Index Per Article: 34.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 10/15/2017] [Accepted: 11/16/2017] [Indexed: 02/06/2023] Open
Abstract
E-cadherin is a transmembrane glycoprotein which connects epithelial cells together at adherens junctions. In normal cells, E-cadherin exerts its tumour suppressing role mainly by sequestering β-catenin from its binding to LEF (Lymphoid enhancer factor)/TCF (T cell factor) which serves the function of transcribing genes of the proliferative Wnt signaling pathway. Despite the ongoing debate on whether the loss of E-cadherin is the cause or effect of epithelial-mesenchymal transition (EMT), E-cadherin functional loss has frequently been associated with poor prognosis and survival in patients of various cancers. The dysregulation of E-cadherin expression that leads to carcinogenesis happens mostly at the epigenetic level but there are cases of genetic alterations as well. E-cadherin expression has been linked to the cellular functions of invasiveness reduction, growth inhibition, apoptosis, cell cycle arrest and differentiation. Studies on various cancers have shown that these different cellular functions are also interdependent. Recent studies have reported a rapid expansion of E-cadherin clinical relevance in various cancers. This review article summarises the multifaceted effect E-cadherin expression has on cellular functions in the context of carcinogenesis as well as its clinical implications in diagnosis, prognosis and therapeutics.
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Affiliation(s)
- Sonia How Ming Wong
- School of Biosciences, Faculty of Science, University of Nottingham Malaysia Campus, 43500, Semenyih, Selangor, Malaysia.
| | - Chee Mun Fang
- School of Pharmacy, Faculty of Science, University of Nottingham Malaysia Campus, 43500, Semenyih, Selangor, Malaysia.
| | - Lay-Hong Chuah
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, 47500, Subang Jaya, Selangor, Malaysia.
| | - Chee Onn Leong
- School of Pharmacy, International Medical University, Bukit Jalil, 57000, Kuala Lumpur, Malaysia; Centre for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, 57000, Kuala Lumpur, Malaysia.
| | - Siew Ching Ngai
- School of Biosciences, Faculty of Science, University of Nottingham Malaysia Campus, 43500, Semenyih, Selangor, Malaysia.
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Hypoxia activates cadherin-22 synthesis via eIF4E2 to drive cancer cell migration, invasion and adhesion. Oncogene 2017; 37:651-662. [PMID: 28991229 DOI: 10.1038/onc.2017.372] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 08/28/2017] [Accepted: 08/31/2017] [Indexed: 12/12/2022]
Abstract
Hypoxia is a driver of cell movement in processes such as development and tumor progression. The cellular response to hypoxia involves a transcriptional program mediated by hypoxia-inducible factors, but translational control has emerged as a significant contributor. In this study, we demonstrate that a cell-cell adhesion molecule, cadherin-22, is upregulated in hypoxia via mTORC1-independent translational control by the initiation factor eIF4E2. We identify new functions of cadherin-22 as a hypoxia-specific cell-surface molecule involved in cancer cell migration, invasion and adhesion. Silencing eIF4E2 or cadherin-22 significantly impaired MDA-MB-231 breast carcinoma and U87MG glioblastoma cell migration and invasion only in hypoxia, while reintroduction of the respective exogenous gene restored the normal phenotype. Cadherin-22 was evenly distributed throughout spheroids and required for their formation and support of a hypoxic core. Conversely, E-cadherin translation was repressed by hypoxia and only expressed in the oxygenated cells of U87MG spheroids. Furthermore, immunofluorescence on paraffin-embedded human tissue from 40 glioma and 40 invasive ductal breast carcinoma patient specimens revealed that cadherin-22 expression colocalized with areas of hypoxia and significantly correlated with tumor grade and progression-free survival or stage and tumor size, respectively. This study broadens our understanding of tumor progression and metastasis by highlighting cadherin-22 as a potential new target of cancer therapy to disable hypoxic cancer cell motility and adhesion.
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Collective invasion in ductal and lobular breast cancer associates with distant metastasis. Clin Exp Metastasis 2017; 34:421-429. [PMID: 28894989 PMCID: PMC5711975 DOI: 10.1007/s10585-017-9858-6] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 08/17/2017] [Indexed: 11/04/2022]
Abstract
Breast cancer undergoes collective tissue invasion and, in experimental models, can collectively metastasize. The prevalence of collective invasion and its contribution to distant metastasis in clinical disease, however, remains poorly defined. We here scored the adipose tissue invasion of primary invasive ductal carcinoma (IDC), expressing E-cadherin, and E-cadherin negative invasive lobular carcinoma (ILC) and identified predominantly collective invasion patterns (86/86 samples) in both carcinoma types. Whereas collective invasion in IDC lesions retained adherens junctions, multicellular clusters and “Indian files” in ILC, despite the absence of adherens junctions (AJ) proteins E-cadherin and β-catenin, retained CD44 at cell–cell contacts. By histomorphological scoring and semi-automated image analysis, we show that the extent of collective invasion into the adipose tissue correlated with decreased distant metastasis-free survival (5-year follow-up; hazard ratio: 2.32 and 2.29, respectively). Thus, collective invasion represents the predominant invasion mode in breast cancer, develops distinct junctional subtypes in IDC and ILC, and associates with distant metastasis, suggesting a critical role in systemic dissemination.
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37
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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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Christgen M, Bartels S, van Luttikhuizen JL, Schieck M, Pertschy S, Kundu S, Lehmann U, Sander B, Pelz E, Länger F, Schlegelberger B, Steinemann D, Kreipe H. Subclonal analysis in a lobular breast cancer with classical and solid growth pattern mimicking a solid-papillary carcinoma. JOURNAL OF PATHOLOGY CLINICAL RESEARCH 2017; 3:191-202. [PMID: 28770103 PMCID: PMC5527319 DOI: 10.1002/cjp2.76] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Accepted: 06/10/2017] [Indexed: 12/24/2022]
Abstract
Recently, a new variant of invasive lobular breast cancer (ILBC) with solid-papillary-like growth pattern has been described. We present a case of ILBC with solid-papillary-like growth pattern in the main tumour mass and classical invasive lobular growth pattern in adjacent satellite foci. The two tumour components were subjected to comprehensive molecular analyses. Both components were ER/PR-positive, HER2-negative, and showed a complete loss of E-cadherin and beta-catenin protein expression, as determined by immunohistochemistry. Gene expression profiling classified the main tumour and a satellite focus as luminal-B and luminal-A subtypes, respectively. Whole-genome copy number profiles were highly similar in both tumour components. Shared copy number alterations (CNAs) included gains of chromosome 1q21.1-q43 and losses of chromosome 16q11.2-q24.3, the locus of the CDH1/E-cadherin tumour suppressor gene. CNAs detected only in the main tumour included a gain of chromosome 20q12-q13.33 and a loss of chromosome 1p36.33-p34.3, which has recently been associated with the solid variant of ILBC. Next generation sequencing revealed an identical, truncating CDH1 mutation (p.G169fs*5) in both tumour components confirming a common clonal ancestry. In conclusion, we confirm the recently described variant of ILBC with solid-papillary-like growth pattern and provide evidence that it evolves from classical ILBC by subclonal evolution.
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Affiliation(s)
| | - Stephan Bartels
- Institute of Pathology, Hannover Medical SchoolHannoverGermany
| | | | | | - Stefanie Pertschy
- Department of Diagnostic RadiologyHannover Medical SchoolHannoverGermany
| | - Sudip Kundu
- Department of Obstetrics and GynecologyHannover Medical SchoolHannoverGermany
| | - Ulrich Lehmann
- Institute of Pathology, Hannover Medical SchoolHannoverGermany
| | - Bjoern Sander
- Institute of Pathology, Hannover Medical SchoolHannoverGermany
| | - Enrico Pelz
- Institute of Pathology ViersenViersenGermany
| | - Florian Länger
- Institute of Pathology, Hannover Medical SchoolHannoverGermany
| | | | - Doris Steinemann
- Department of Human GeneticsHannover Medical SchoolHannoverGermany
| | - Hans Kreipe
- Institute of Pathology, Hannover Medical SchoolHannoverGermany
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Prognostic Value of Coexisting Lobular Carcinoma In Situ With Invasive Lobular Carcinoma. Appl Immunohistochem Mol Morphol 2017; 24:738-743. [PMID: 26574630 DOI: 10.1097/pai.0000000000000254] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
AIMS AND OBJECTIVES Recent studies show that lobular carcinoma in situ (LCIS) and invasive lobular carcinoma (ILC) share similar genetic molecular biology. There are increasing concerns regarding the biological significance of LCIS. The aim of this study is to investigate whether the presence of coexisting LCIS in ILC affects tumor biology and behavior and to correlate it with other clinicopathologic parameters. MATERIALS AND METHODS In this study, 254 cases of ILC were included. Clinicopathologic parameters and immunohistochemical stains for estrogen receptor (ER), progesterone receptor (PR), E-cadherin, human epidermal growth factor receptor (HER2), and MIB-1 of 254 ILC cases were retrieved. The patient with ILC and coexisting LCIS were compared with pure ILC cases with respect to different clinicopathologic parameters. RESULTS Of the 254 cases, 107 cases were pure ILC and 147 cases were ILC with coexisting LCIS. Seventy-six (76/184, 41.32%) cases showed axillary lymph node metastases. Lymph node metastasis was absent in 108 cases, micrometastasis was present in 5 cases, and stage N1, N2, N3 in 51, 5, and 15 cases, respectively. Nodal involvement, locoregional and distant recurrence of ILC with LCIS were less frequent compared with ILC without LCIS with P-value of 0.034 and 0.007, respectively. The presence of coexisting LCIS in ILC predicted higher disease-free survival (DFS) compared with pure ILC (P=0.034, log-rank test). When divided into different strata, ER-positive ILC cases with associated LCIS cases showed better DFS than ER-positive pure ILC cases (P=0.021, log-rank test). Similarly, ILC cases with LCIS in patient less than 50 years showed better DFS than the patient less than 50 years with pure ILC (P=0.045, log-rank test). CONCLUSIONS In conclusion, ILC coexisting with lobular carcinoma in situ (ILC+LCIS) is characterized by less nodal involvement, lower locoregional, and distant recurrence and better DFS than pure ILC. When divided into different strata, ER-positive and less than 50-year groups with ILC+LCIS show even significant better DFS than pure ILC. These findings suggest that there is biological significance of coexisting LCIS in ILC and that this may have more effect on tumor aggressiveness in certain strata of ILC.
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Wong SM, King T, Boileau JF, Barry WT, Golshan M. Population-Based Analysis of Breast Cancer Incidence and Survival Outcomes in Women Diagnosed with Lobular Carcinoma In Situ. Ann Surg Oncol 2017; 24:2509-2517. [PMID: 28455673 DOI: 10.1245/s10434-017-5867-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Indexed: 12/24/2022]
Abstract
PURPOSE A diagnosis of lobular carcinoma in situ (LCIS) is associated with an increased risk of developing breast cancer, although little data exist on long-term patient outcomes, including those who develop subsequent breast malignancies. METHODS The Surveillance, Epidemiology, and End Results (SEER) database was used to identify women with a histological diagnosis of LCIS between 1983 and 2014. The incidence and clinicopathologic features of subsequent malignancies were then examined, and the Kaplan-Meier method and multivariable Cox PH regression used to obtain breast cancer-specific survival (BCSS) estimates and associated hazard ratios. RESULTS Overall, 19,462 women swith a mean age at LCIS diagnosis of 53.7 years, and a 10- and 20-year cumulative incidence of subsequent breast malignancy of 11.3% [95% confidence interval (CI) 10.7-11.9%] and 19.8% (95% CI 18.8-20.9) met the eligibility criteria. At a median follow-up of 8.1 years (range 0-30.9) a total of 1837 primary breast cancers were diagnosed, of which 55.2% were diagnosed in the ipsilateral breast. Most breast cancers were of low/intermediate grade, hormone receptor-positive, and diagnosed in early stages. Of subsequent malignancies, invasive ductal carcinoma (IDC) distributed equally across both breasts, whereas invasive lobular carcinoma (ILC) was more likely to present in the ipsilateral breast (69.0% ILC vs. 49.2% IDC; p < 0.001). On multivariable analysis, type of surgical treatment for LCIS had no affect on long-term survival (p = 0.44). The 10- and 20-year BCSS for women with LCIS was 98.9 and 96.3%, respectively. CONCLUSION Women with LCIS who are diagnosed with a subsequent primary breast cancer are often diagnosed in early stages and have excellent BCSS.
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Affiliation(s)
| | - Tari King
- Department of Surgery, Brigham and Women's Hospital/Dana-Farber Cancer Institute, Harvard Medical School, 450 Brookline Ave, Boston, MA, USA
| | - Jean-Francois Boileau
- Department of Surgery, McGill University, Montreal, QC, Canada.,Department of Surgery, Jewish General Segal Cancer Centre, Montreal, QC, Canada
| | - William T Barry
- Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Mehra Golshan
- Department of Surgery, Brigham and Women's Hospital/Dana-Farber Cancer Institute, Harvard Medical School, 450 Brookline Ave, Boston, MA, USA.
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Expression of Lipid Metabolism-Related Proteins Differs between Invasive Lobular Carcinoma and Invasive Ductal Carcinoma. Int J Mol Sci 2017; 18:ijms18010232. [PMID: 28124996 PMCID: PMC5297861 DOI: 10.3390/ijms18010232] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 01/13/2017] [Accepted: 01/14/2017] [Indexed: 01/06/2023] Open
Abstract
We comparatively investigated the expression and clinical implications of lipid metabolism-related proteins in invasive lobular carcinoma (ILC) and invasive ductal carcinoma (IDC) of the breast. A total of 584 breast cancers (108 ILC and 476 IDC) were subjected to tissue microarray and immunohistochemical analysis for lipid metabolism-related proteins including hormone-sensitive lipase (HSL), perilipin A, fatty acid binding protein (FABP)4, carnitine palmitoyltransferase (CPT)-1, acyl-CoA oxidase 1, and fatty acid synthetase (FASN). HSL, perilipin A, and FABP4 expression (all p < 0.001) differed significantly: HSL and FABP4 were more frequently present in ILC, whereas perilipin A was more frequently detected in IDC. Among all invasive cancers, HSL and FABP4 were highly expressed in luminal A-type ILC (p < 0.001) and perilipin A in luminal A-type IDC (p = 0.007). Among luminal B-type cancers, HSL and FABP4 were more highly expressed in ILC (p < 0.001). Univariate analysis found associations of shorter disease-free survival with CPT-1 positivity (p = 0.004) and acyl-CoA oxidase 1 positivity (p = 0.032) and of shorter overall survival with acyl-CoA oxidase 1 positivity (p = 0.027). In conclusion, ILC and IDC exhibited different immunohistochemical lipid metabolism-related protein expression profiles. Notably, ILC exhibited high HSL and FABP4 and low perilipin A expression.
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Inoue M, Nakagomi H, Nakada H, Furuya K, Ikegame K, Watanabe H, Omata M, Oyama T. Specific sites of metastases in invasive lobular carcinoma: a retrospective cohort study of metastatic breast cancer. Breast Cancer 2017; 24:667-672. [PMID: 28108967 DOI: 10.1007/s12282-017-0753-4] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 01/09/2017] [Indexed: 12/31/2022]
Abstract
BACKGROUND Invasive lobular carcinoma (ILC) is known to be the second most common histological type following invasive ductal carcinoma (IDC). Definitive clinical features of ILC are controversial. METHODS We retrospectively analyzed a cohort of 330 patients with metastatic breast cancer, 303 of IDC, 19 of ILC, and 8 of others. We compared the patient age and tumor-node-metastasis factors, disease-free survival (DFS), estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor 2 (HER2) expression at the primary site between ILC and IDC. We then selected the patients in the ER+ or PR+/HER2- subtype specifically and compared sites of recurrence, and the survival curve starting from the point of development of metastatic disease. RESULTS The clinical stage was significantly higher in the ILC patients than in the IDC (p = 0.001). The mean (±SD) of DFS for the ILC and IDC patients was 2.6 ± 0.6 and 2.4 ± 0.3 years, respectively, with no significant difference (p = 0.18). However, the hormone receptor status was same between both groups; the rate of HER2 positivity was significantly lower in the ILC group (0%) than in the IDC group (16.2%) (p = 0.05). In ER+ or PR+/HER2- subtype, the mean DFS for the ILC and IDC was 2.9 ± 0.6 and 3.1 ± 0.3 years, and the median survival time after the recurrence for ILC and IDC patients was 4.2 ± 0.7 and 5.6 ± 0.7 years, respectively, with no significant difference (p = 0.77). The frequency of lung metastases was significantly lower in the ILC group (6.3%) than in the IDC group (53.7%) (p < 0.01), while the frequency of peritoneal metastases was significantly higher in the ILC group (68.8%) than in the IDC group (1%) (p = 0.00). Of note, the prognosis after the diagnosis of peritoneal metastases was poor, with a median survival time of 19 ± 9 months and resistance to hormone therapy. CONCLUSIONS The extremely high rate (68.8%) of peritoneal metastases was observed in long-term follow-up for the metastatic breast cancer patients with ILC. We need to reveal the definitive feature of ILC and develop new therapeutic strategies to prevent the dissemination of ILCs.
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Affiliation(s)
- Masayuki Inoue
- Department of Surgery, Yamanashi Prefectural Central Hospital, 1-1-1 Fujimi, Kofu, Japan.
| | - Hiroshi Nakagomi
- Department of Surgery, Yamanashi Prefectural Central Hospital, 1-1-1 Fujimi, Kofu, Japan
| | - Haruka Nakada
- Department of Surgery, Yamanashi Prefectural Central Hospital, 1-1-1 Fujimi, Kofu, Japan
| | - Kazushige Furuya
- Department of Surgery, Yamanashi Prefectural Central Hospital, 1-1-1 Fujimi, Kofu, Japan
| | - Kou Ikegame
- Department of Surgery, Yamanashi Prefectural Central Hospital, 1-1-1 Fujimi, Kofu, Japan
| | - Hideki Watanabe
- Department of Surgery, Yamanashi Prefectural Central Hospital, 1-1-1 Fujimi, Kofu, Japan
| | - Masao Omata
- Department of Internal Medicine, Yamanashi Prefectural Central Hospital, Kofu, Japan.,University of Tokyo, Tokyo, Japan
| | - Toshio Oyama
- Department of Pathology, Yamanashi Prefectural Central Hospital, Kofu, Japan
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Park CK, Jung WH, Koo JS. Expression of cancer-associated fibroblast-related proteins differs between invasive lobular carcinoma and invasive ductal carcinoma. Breast Cancer Res Treat 2016; 159:55-69. [PMID: 27469595 DOI: 10.1007/s10549-016-3929-2] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 07/22/2016] [Indexed: 12/17/2022]
Abstract
Cancer-associated fibroblasts (CAFs) are classified into various functional subtypes such as fibroblast activation protein-α (FAP-α), fibroblast specific protein-1 (FSP-1), platelet-derived growth factor receptor-α (PDGFR-α), and PDGFR-β. In this study, we compared the expression of CAF-related proteins in invasive lobular carcinoma (ILC) with those in invasive carcinoma of no special type (NST) and assessed the implications of the differences observed. Using tissue microarrays of 104 ILC and 524 invasive carcinoma (NST) cases, immunohistochemistry for CAF-related proteins [podoplanin, prolyl 4-hydroxylase, FAP-α, FSP-1/S100A4, PDGFR-α, PDGFR-β, and chondroitin sulfate proteoglycan (NG2)] was conducted. In invasive carcinoma (NST), tumor cells expressed a high level of PDGFR-α, whereas ILC tumor cells expressed high levels of podoplanin, prolyl 4-hydroxylase, FAP-α, and FSP-1/S100A4. In stromal cells of invasive carcinoma (NST), high expression levels of prolyl 4-hydroxylase, PDGFR-α, and NG2 were observed, whereas ILC stromal cells expressed high levels of FAP-α, FSP-1/S100A4, and PDGFR-β. In ILC, tumoral FSP-1/S100A4 positivity was associated with higher Ki-67 labeling index (p = 0.010) and non-luminal A type cancer (p = 0.014). Stromal PDGFR-α positivity was associated with lymph node metastasis (p = 0.011). On survival analysis of entire cases, tumoral FSP-1/S100A4 positivity (p = 0.002), stromal podoplanin positivity (p = 0.041), and stromal FSP-1/S100A4 negativity (p = 0.041) were associated with shorter disease-free survival; only tumoral FSP-1/S100A4 positivity (p = 0.044) was associated with shorter overall survival. In ILC, the expression of FAP-α and FSP-1/S100A4 was higher in both tumor and stromal cells than that observed in invasive carcinoma (NST). These results indicate that CAFs are a potential target in ILC treatment.
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Affiliation(s)
- Cheol Keun Park
- Department of Pathology, Severance Hospital, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Woo Hee Jung
- Department of Pathology, Severance Hospital, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Ja Seung Koo
- Department of Pathology, Severance Hospital, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea.
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Abstract
In the literature, sufficient attention has not been paid to the precise subcellular localization of immunohistochemical signals, the knowledge of which is essential for proper interpretation of immunostains and distinction of genuine staining from biotin-associated or other nonspecific stainings. The subcellular localization of the signals can in fact be easily deduced from the known biologic or ultrastructural characteristics of the antigens. Extracellular antigens obviously are located in the extracellular compartment. Cellular antigens fall into 3 major groups: membranous, nuclear, and cytoplasmic. Membranous antigens include cell adhesion molecules (such as E-cadherin, N-CAM), cell surface/transmembrane receptors and proteins (such as tyrosine kinase receptors, most leukocyte antigens, CD10, CEA), and molecules linking surface molecules to cytoskeleton (such as β-catenin, dystrophin). Nuclear antigens include cell cycle-associated proteins (such as cyclins, p16, Ki-67), nuclear enzymes (such as TdT), transcription factors (such as TTF-1, CDX-2, myogenin, PAX-5), tumor suppressor gene products (such as p53, p63, WT1, Rb), steroid hormone receptors (such as ER, PR), calcium-binding proteins (such as S-100 protein, calretinin), and some viral proteins (such as CMV, herpes). Cytoplasmic antigens can take up a granular pattern due to localization in organelles, granules, or secretory vesicles (such as chromogranin, hormones, lysozyme, HMB-45), fibrillary pattern attributable to the filamentous nature of the molecules (intermediate filaments and microfilaments), or diffuse or patchy pattern due to localization in the cytosol or large vesicles (such as myoglobin, albumin, thyroglobulin). Aberrant localization of the molecules, when present, can provide important insight into disease processes and aid in their diagnosis, such as loss of membranous E-cadherin expression in lobular breast carcinoma, aberrant nuclear localization of β-catenin in colorectal adenocarcinoma, pattern of ALK staining in anaplastic large cell lymphoma correlating with the different types of chromosomal translocations, presence of additional cytoplasmic CD10 staining in the enterocytes indicative of microvillous inclusion disease, and “reversed” staining for EMA in micropapillary mammary carcinoma.
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Affiliation(s)
- W Cheuk
- Department of Pathology, Queen Elizabeth Hospital, Hong Kong
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Kuroda N, Sugimoto T, Takahashi T, Moriki T, Toi M, Miyazaki E, Hiroi M, Enzan H. Invasive Micropapillary Carcinoma of the Breast: An Immunohistochemical Study of Neoplastic and Stromal Cells. Int J Surg Pathol 2016; 13:51-5. [PMID: 15735855 DOI: 10.1177/106689690501300107] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A 59-year-old woman complained of a palpable mass in the right breast, and a needle biopsy disclosed small clusters of neoplastic cells in the fibrous stroma. The small clusters did not contain fibrovascular cores but exhibited micropapillary configuration. Epithelial membrane antigen (EMA) immunohistochemistry confirmed the reverse polarity of the neoplastic cells. Additionally, the plasma membrane of many neoplastic cells stained with E-cadherin and f-catenin. Myofibroblasts, which were positive for alpha smooth muscle actin (ASMA) and negative for cytokeratin 14, were abundant in the neoplastic stroma, but no CD34-positive stromal cells were observed in the neoplastic stroma. For comparison, 3 additional cases of invasive micropapillary carcinoma (IMC) and 4 cases of invasive ductal carcinoma (IDC) were studied. Similar results for stromal cells were obtained in all cases. Our results from this preliminary investigation suggest that CD34-positive stromal cells may disappear from the stroma of IMC as well as IDC.
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Affiliation(s)
- Naoto Kuroda
- Department of Pathology, Kochi Medical School, Kochi, Japan
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Christgen M, Steinemann D, Kühnle E, Länger F, Gluz O, Harbeck N, Kreipe H. Lobular breast cancer: Clinical, molecular and morphological characteristics. Pathol Res Pract 2016; 212:583-97. [DOI: 10.1016/j.prp.2016.05.002] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Revised: 04/11/2016] [Accepted: 05/04/2016] [Indexed: 01/20/2023]
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Begg CB, Ostrovnaya I, Carniello JVS, Sakr RA, Giri D, Towers R, Schizas M, De Brot M, Andrade VP, Mauguen A, Seshan VE, King TA. Clonal relationships between lobular carcinoma in situ and other breast malignancies. Breast Cancer Res 2016; 18:66. [PMID: 27334989 PMCID: PMC4918003 DOI: 10.1186/s13058-016-0727-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 06/05/2016] [Indexed: 11/29/2022] Open
Abstract
Background Recent evidence suggests that lobular carcinoma in situ (LCIS) can be a clonal precursor of invasive breast cancers of both the ductal and lobular phenotypes. We sought to confirm these findings with an extensive study of fresh frozen breast specimens from women undergoing mastectomy. Methods Patients with a history of LCIS presenting for therapeutic mastectomy were identified prospectively. Frozen tissue blocks were collected, screened for lesions of interest, and subjected to microdissection and DNA extraction. Copy number profiling, whole-exome sequencing, or both were performed. Clonal relatedness was assessed using specialized statistical techniques developed for this purpose. Results After exclusions for genotyping failure, a total of 84 lesions from 30 patients were evaluated successfully. Strong evidence of clonal relatedness was observed between an LCIS lesion and the invasive cancer for the preponderance of cases with lobular carcinoma. Anatomically distinct in situ lesions of both ductal and lobular histology were also shown to be frequently clonally related. Conclusions These data derived from women with LCIS with or without invasive cancer confirm that LCIS is commonly the clonal precursor of invasive lobular carcinoma and that distinct foci of LCIS frequently share a clonal origin, as do foci of LCIS and ductal carcinoma in situ. Electronic supplementary material The online version of this article (doi:10.1186/s13058-016-0727-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Colin B Begg
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA.
| | - Irina Ostrovnaya
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Jose V Scarpa Carniello
- Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Rita A Sakr
- Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Dilip Giri
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Russell Towers
- Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Michail Schizas
- Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Marina De Brot
- Department of Pathology, Federal University of Minas Gerais, Avenida Presidente Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Victor P Andrade
- Department of Pathology, AC Camargo Cancer Center, Rua Professor Antônio Prudente, 211, Liberdade, São Paulo, SP, CEP 01509 - 010, Sao Paulo, Brazil
| | - Audrey Mauguen
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Venkatraman E Seshan
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
| | - Tari A King
- Department of Surgery, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA
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LIU JIAN, SUN XIN, QIN SIDA, WANG HUANGZHEN, DU NING, LI YANBO, PANG YAMEI, WANG CUICUI, XU CHONGWEN, REN HONG. CDH1 promoter methylation correlates with decreased gene expression and poor prognosis in patients with breast cancer. Oncol Lett 2016; 11:2635-2643. [PMID: 27073531 PMCID: PMC4812319 DOI: 10.3892/ol.2016.4274] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2014] [Accepted: 01/14/2016] [Indexed: 11/06/2022] Open
Abstract
The E-cadherin gene (CDH1) is associated with poor prognosis and metastasis in patients with breast cancer, and methylation of its promoter is correlated with decreased gene expression. However, there is currently no direct evidence that CDH1 promoter methylation indicates poor prognosis in patients with breast cancer. In the present study, methylation-specific polymerase chain reaction (PCR) was applied to detect the methylation status of the CDH1 promoter in 137 primary breast cancer, 85 matched normal breast tissue and 13 lung metastasis specimens. Reverse transcription-quantitative PCR was used to assess the relative expression levels of CDH1 mRNA, and correlation analysis between CDH1 methylation status, and gene expression, clinicopathological characteristics and patient survival was performed. Methylation of CDH1 was identified in 40.9% (56/137) of primary breast cancer specimens, 61.5% (8/13) of lung metastasis specimens and none of the matched normal breast specimens. The downregulation of CDH1 mRNA and E-cadherin protein expression were identified to be significantly correlated with CDH1 methylation (P<0.05). In addition, CDH1 methylation was significantly associated with lymph node metastasis and estrogen receptor status of patients (P<0.05). In univariate analyses, patients with CDH1 methylation exhibited poor overall survival (OS) and disease-free survival (DFS; P<0.05). Furthermore, multivariate analyses revealed that CDH1 methylation was an independent prognostic factor predicting poor OS (HR, 1.737; 95% CI, 0.957-3.766; P=0.041) and DFS (HR, 2.018; 95% CI, 2.057-3.845; P=0.033) in patients with breast cancer. Therefore, the present study suggests that CDH1 promoter methylation may be correlated with breast carcinogenesis and indicates poor prognosis in patients with breast cancer.
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Affiliation(s)
- JIAN LIU
- Department of Thoracic Surgery, The First Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710061, P.R. China
| | - XIN SUN
- Department of Thoracic Surgery, The First Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710061, P.R. China
| | - SIDA QIN
- Department of Thoracic Surgery, The First Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710061, P.R. China
| | - HUANGZHEN WANG
- Department of Thoracic Surgery, The First Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710061, P.R. China
| | - NING DU
- Department of Thoracic Surgery, The First Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710061, P.R. China
| | - YANBO LI
- Department of Neurology, The First Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710061, P.R. China
| | - YAMEI PANG
- Department of Respiration, The First Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710061, P.R. China
| | - CUICUI WANG
- Department of Hematology, Zoucheng People's Hospital, Zoucheng, Shandong 273500, P.R. China
| | - CHONGWEN XU
- Department of Thoracic Surgery, The First Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710061, P.R. China
| | - HONG REN
- Department of Thoracic Surgery, The First Affiliated Hospital of Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710061, P.R. China
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Expression of PTEN and β-Catenin and Their Relationship With Clinicopathological and Prognostic Factors in Endometrioid Type Endometrial Cancer. Int J Gynecol Cancer 2016; 26:512-20. [DOI: 10.1097/igc.0000000000000626] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Sakr RA, Schizas M, Carniello JVS, Ng CKY, Piscuoglio S, Giri D, Andrade VP, De Brot M, Lim RS, Towers R, Weigelt B, Reis-Filho JS, King TA. Targeted capture massively parallel sequencing analysis of LCIS and invasive lobular cancer: Repertoire of somatic genetic alterations and clonal relationships. Mol Oncol 2015; 10:360-70. [PMID: 26643573 DOI: 10.1016/j.molonc.2015.11.001] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 10/09/2015] [Accepted: 11/03/2015] [Indexed: 02/01/2023] Open
Abstract
PURPOSE Lobular carcinoma in situ (LCIS) has been proposed as a non-obligate precursor of invasive lobular carcinoma (ILC). Here we sought to define the repertoire of somatic genetic alterations in pure LCIS and in synchronous LCIS and ILC using targeted massively parallel sequencing. METHODS DNA samples extracted from microdissected LCIS, ILC and matched normal breast tissue or peripheral blood from 30 patients were subjected to massively parallel sequencing targeting all exons of 273 genes, including the genes most frequently mutated in breast cancer and DNA repair-related genes. Single nucleotide variants and insertions and deletions were identified using state-of-the-art bioinformatics approaches. RESULTS The constellation of somatic mutations found in LCIS (n = 34) and ILC (n = 21) were similar, with the most frequently mutated genes being CDH1 (56% and 66%, respectively), PIK3CA (41% and 52%, respectively) and CBFB (12% and 19%, respectively). Among 19 LCIS and ILC synchronous pairs, 14 (74%) had at least one identical mutation in common, including identical PIK3CA and CDH1 mutations. Paired analysis of independent foci of LCIS from 3 breasts revealed at least one common mutation in each of the 3 pairs (CDH1, PIK3CA, CBFB and PKHD1L1). CONCLUSION LCIS and ILC have a similar repertoire of somatic mutations, with PIK3CA and CDH1 being the most frequently mutated genes. The presence of identical mutations between LCIS-LCIS and LCIS-ILC pairs demonstrates that LCIS is a clonal neoplastic lesion, and provides additional evidence that at least some LCIS are non-obligate precursors of ILC.
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Affiliation(s)
- Rita A Sakr
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Michail Schizas
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Jose V Scarpa Carniello
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Charlotte K Y Ng
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Salvatore Piscuoglio
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Dilip Giri
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Victor P Andrade
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Marina De Brot
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Raymond S Lim
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Russell Towers
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Britta Weigelt
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Jorge S Reis-Filho
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, United States; Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, United States.
| | - Tari A King
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States.
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