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Published year: 20143
Refined histopathological predictors of BRCA1 and BRCA2 mutation status: a large-scale analysis of breast cancer characteristics from the BCAC, CIMBA, and ENIGMA consortia
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

INTRODUCTION The distribution of histopathological features of invasive breast tumors in BRCA1 or BRCA2 germline mutation carriers differs from that of individuals with no known mutation. Histopathological …l features thus have utility for mutation prediction, including statistical modeling to assess pathogenicity of BRCA1 or BRCA2 variants of uncertain clinical significance. We analyzed large pathology datasets accrued by the Consortium of Investigators of Modifiers of BRCA1/2 (CIMBA) and the Breast Cancer Association Consortium (BCAC) to reassess histopathological predictors of BRCA1 and BRCA2 mutation status, and provide robust likelihood ratio (LR) estimates for statistical modeling. METHODS Selection criteria for study/center inclusion were estrogen receptor (ER) status or grade data available for invasive breast cancer diagnosed younger than 70 years. The dataset included 4,477 BRCA1 mutation carriers, 2,565 BRCA2 mutation carriers, and 47,565 BCAC breast cancer cases. Country-stratified estimates of the likelihood of mutation status by histopathological markers were derived using a Mantel-Haenszel approach. RESULTS ER-positive phenotype negatively predicted BRCA1 mutation status, irrespective of grade (LRs from 0.08 to 0.90). ER-negative grade 3 histopathology was more predictive of positive BRCA1 mutation status in women 50 years or older (LR = 4.13 (3.70 to 4.62)) versus younger than 50 years (LR = 3.16 (2.96 to 3.37)). For BRCA2, ER-positive grade 3 phenotype modestly predicted positive mutation status irrespective of age (LR = 1.7-fold), whereas ER-negative grade 3 features modestly predicted positive mutation status at 50 years or older (LR = 1.54 (1.27 to 1.88)). Triple-negative tumor status was highly predictive of BRCA1 mutation status for women younger than 50 years (LR = 3.73 (3.43 to 4.05)) and 50 years or older (LR = 4.41 (3.86 to 5.04)), and modestly predictive of positive BRCA2 mutation status in women 50 years or older (LR = 1.79 (1.42 to 2.24)). CONCLUSIONS These results refine likelihood-ratio estimates for predicting BRCA1 and BRCA2 mutation status by using commonly measured histopathological features. Age at diagnosis is an important variable for most analyses, and grade is more informative than ER status for BRCA2 mutation carrier prediction. The estimates will improve BRCA1 and BRCA2 variant classification and inform patient mutation testing and clinical management.

Authors: Amanda B. Spurdle, Fergus J. Couch, Michael T. Parsons, Lesley McGuffog, Daniel Barrowdale, Manjeet K. Bolla, Qin Wang, Sue Healey, Rita Schmutzler, Barbara Wappenschmidt, Kerstin Rhiem, Eric Hahnen, Christoph Engel, Alfons Meindl, Nina Ditsch, Norbert Arnold, Hansjoerg Plendl, Dieter Niederacher, Christian Sutter, Shan Wang-Gohrke, Doris Steinemann, Sabine Preisler-Adams, Karin Kast, Raymonda Varon-Mateeva, Steve Ellis, Debra Frost, Radka Platte, Jo Perkins, D. Gareth Evans, Louise Izatt, Ros Eeles, Julian Adlard, Rosemarie Davidson, Trevor Cole, Giulietta Scuvera, Siranoush Manoukian, Bernardo Bonanni, Frederique Mariette, Stefano Fortuzzi, Alessandra Viel, Barbara Pasini, Laura Papi, Liliana Varesco, Rosemary Balleine, Katherine L. Nathanson, Susan M. Domchek, Kenneth Offitt, Anna Jakubowska, Noralane Lindor, Mads Thomassen, Uffe Birk Jensen, Johanna Rantala, Åke Borg, Irene L. Andrulis, Alexander Miron, Thomas v. O. Hansen, Trinidad Caldes, Susan L. Neuhausen, Amanda E. Toland, Heli Nevanlinna, Marco Montagna, Judy Garber, Andrew K. Godwin, Ana Osorio, Rachel E. Factor, Mary B. Terry, Timothy R. Rebbeck, Beth Y. Karlan, Melissa Southey, Muhammad Usman Rashid, Nadine Tung, Paul D. P. Pharoah, Fiona M. Blows, Alison M. Dunning, Elena Provenzano, Per Hall, Kamila Czene, Marjanka K. Schmidt, Annegien Broeks, Sten Cornelissen, Senno Verhoef, Peter A. Fasching, Matthias W. Beckmann, Arif B. Ekici, Dennis J. Slamon, Stig E. Bojesen, Børge G. Nordestgaard, Sune F. Nielsen, Henrik Flyger, Jenny Chang-Claude, Dieter Flesch-Janys, Anja Rudolph, Petra Seibold, Kristiina Aittomäki, Taru A. Muranen, Päivi Heikkilä, Carl Blomqvist, Jonine Figueroa, Stephen J. Chanock, Louise Brinton, Jolanta Lissowska, Janet E. Olson, Vernon S. Pankratz, Esther M. John, Alice S. Whittemore, Dee W. West, Ute Hamann, Diana Torres, Hans Ulrich Ulmer, Thomas Rüdiger, Peter Devilee, Robert A. E. M. Tollenaar, Caroline Seynaeve, Christi J. van Asperen, Diana M. Eccles, William J. Tapper, Lorraine Durcan, Louise Jones, Julian Peto, Isabel Dos-Santos-Silva, Olivia Fletcher, Nichola Johnson, Miriam Dwek, Ruth Swann, Anita L. Bane, Gord Glendon, Anna M. Mulligan, Graham G. Giles, Roger L. Milne, Laura Baglietto, Catriona McLean, Jane Carpenter, Christine Clarke, Rodney Scott, Hiltrud Brauch, Thomas Brüning, Yon-Dschun Ko, Angela Cox, Simon S. Cross, Malcolm W. R. Reed, Jan Lubinski, Katarzyna Jaworska-Bieniek, Katarzyna Durda, Jacek Gronwald, Thilo Dörk, Natalia Bogdanova, Tjoung-Won Park-Simon, Peter Hillemanns, Christopher A. Haiman, Brian E. Henderson, Fredrick Schumacher, Loic Le Marchand, Barbara Burwinkel, Frederik Marme, Harald Surovy, Rongxi Yang, Hoda Anton-Culver, Argyrios Ziogas, Maartje J. Hooning, J. Margriet Collée, John W. M. Martens, Madeleine M. A. Tilanus-Linthorst, Hermann Brenner, Aida Karina Dieffenbach, Volke Arndt, Christa Stegmaier, Robert Winqvist, Katri Pylkäs, Arja Jukkola-Vuorinen, Mervi Grip, Annika Lindblom, Sara Margolin, Vijai Joseph, Mark Robson, Rohini Rau-Murthy, Anna González-Neira, José Ignacio Arias, Pilar Zamora, Javier Benítez, Arto Mannermaa, Vesa Kataja, Veli-Matti Kosma, Jaana M. Hartikainen, Paolo Peterlongo, Daniela Zaffaroni, Monica Barile, Fabio Capra, Paolo Radice, Soo H. Teo, Douglas F. Easton, Antonis C. Antoniou, Georgia Chenevix-Trench, David E. Goldgar

Date Published: 1st Dec 2014

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

Associations of common breast cancer susceptibility alleles with risk of breast cancer subtypes in BRCA1 and BRCA2 mutation carriers
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

INTRODUCTION More than 70 common alleles are known to be involved in breast cancer (BC) susceptibility, and several exhibit significant heterogeneity in their associations with different BC subtypes. …. Although there are differences in the association patterns between BRCA1 and BRCA2 mutation carriers and the general population for several loci, no study has comprehensively evaluated the associations of all known BC susceptibility alleles with risk of BC subtypes in BRCA1 and BRCA2 carriers. METHODS We used data from 15,252 BRCA1 and 8,211 BRCA2 carriers to analyze the associations between approximately 200,000 genetic variants on the iCOGS array and risk of BC subtypes defined by estrogen receptor (ER), progesterone receptor (PR), human epidermal growth factor receptor 2 (HER2) and triple-negative- (TN) status; morphologic subtypes; histological grade; and nodal involvement. RESULTS The estimated BC hazard ratios (HRs) for the 74 known BC alleles in BRCA1 carriers exhibited moderate correlations with the corresponding odds ratios from the general population. However, their associations with ER-positive BC in BRCA1 carriers were more consistent with the ER-positive associations in the general population (intraclass correlation (ICC) = 0.61, 95% confidence interval (CI): 0.45 to 0.74), and the same was true when considering ER-negative associations in both groups (ICC = 0.59, 95% CI: 0.42 to 0.72). Similarly, there was strong correlation between the ER-positive associations for BRCA1 and BRCA2 carriers (ICC = 0.67, 95% CI: 0.52 to 0.78), whereas ER-positive associations in any one of the groups were generally inconsistent with ER-negative associations in any of the others. After stratifying by ER status in mutation carriers, additional significant associations were observed. Several previously unreported variants exhibited associations at P \textless10(-6) in the analyses by PR status, HER2 status, TN phenotype, morphologic subtypes, histological grade and nodal involvement. CONCLUSIONS Differences in associations of common BC susceptibility alleles between BRCA1 and BRCA2 carriers and the general population are explained to a large extent by differences in the prevalence of ER-positive and ER-negative tumors. Estimates of the risks associated with these variants based on population-based studies are likely to be applicable to mutation carriers after taking ER status into account, which has implications for risk prediction.

Authors: Karoline B. Kuchenbaecker, Susan L. Neuhausen, Mark Robson, Daniel Barrowdale, Lesley McGuffog, Anna Marie Mulligan, Irene L. Andrulis, Amanda B. Spurdle, Marjanka K. Schmidt, Rita K. Schmutzler, Christoph Engel, Barbara Wappenschmidt, Heli Nevanlinna, Mads Thomassen, Melissa Southey, Paolo Radice, Susan J. Ramus, Susan M. Domchek, Katherine L. Nathanson, Andrew Lee, Sue Healey, Robert L. Nussbaum, Timothy R. Rebbeck, Banu K. Arun, Paul James, Beth Y. Karlan, Jenny Lester, Ilana Cass, Mary Beth Terry, Mary B. Daly, David E. Goldgar, Saundra S. Buys, Ramunas Janavicius, Laima Tihomirova, Nadine Tung, Cecilia M. Dorfling, Elizabeth J. van Rensburg, Linda Steele, Thomas v O Hansen, Bent Ejlertsen, Anne-Marie Gerdes, Finn C. Nielsen, Joe Dennis, Julie Cunningham, Steven Hart, Susan Slager, Ana Osorio, Javier Benitez, Mercedes Duran, Jeffrey N. Weitzel, Isaac Tafur, Mary Hander, Paolo Peterlongo, Siranoush Manoukian, Bernard Peissel, Gaia Roversi, Giulietta Scuvera, Bernardo Bonanni, Paolo Mariani, Sara Volorio, Riccardo Dolcetti, Liliana Varesco, Laura Papi, Maria Grazia Tibiletti, Giuseppe Giannini, Florentia Fostira, Irene Konstantopoulou, Judy Garber, Ute Hamann, Alan Donaldson, Carole Brewer, Claire Foo, D. Gareth Evans, Debra Frost, Diana Eccles, Fiona Douglas, Angela Brady, Jackie Cook, Marc Tischkowitz, Julian Adlard, Julian Barwell, Kai-Ren Ong, Lisa Walker, Louise Izatt, Lucy E. Side, M. John Kennedy, Mark T. Rogers, Mary E. Porteous, Patrick J. Morrison, Radka Platte, Ros Eeles, Rosemarie Davidson, Shirley Hodgson, Steve Ellis, Andrew K. Godwin, Kerstin Rhiem, Alfons Meindl, Nina Ditsch, Norbert Arnold, Hansjoerg Plendl, Dieter Niederacher, Christian Sutter, Doris Steinemann, Nadja Bogdanova-Markov, Karin Kast, Raymonda Varon-Mateeva, Shan Wang-Gohrke, Andrea Gehrig, Birgid Markiefka, Bruno Buecher, Cédrick Lefol, Dominique Stoppa-Lyonnet, Etienne Rouleau, Fabienne Prieur, Francesca Damiola, Laure Barjhoux, Laurence Faivre, Michel Longy, Nicolas Sevenet, Olga M. Sinilnikova, Sylvie Mazoyer, Valérie Bonadona, Virginie Caux-Moncoutier, Claudine Isaacs, Tom van Maerken, Kathleen Claes, Marion Piedmonte, Lesley Andrews, John Hays, Gustavo C. Rodriguez, Trinidad Caldes, Miguel de La Hoya, Sofia Khan, Frans B. L. Hogervorst, Cora M. Aalfs, J. L. de Lange, Hanne E. J. Meijers-Heijboer, Annemarie H. van der Hout, Juul T. Wijnen, K. E. P. van Roozendaal, Arjen R. Mensenkamp, Ans M. W. van den Ouweland, Carolien H. M. van Deurzen, Rob B. van der Luijt, Edith Olah, Orland Diez, Conxi Lazaro, Ignacio Blanco, Alex Teulé, Mireia Menendez, Anna Jakubowska, Jan Lubinski, Cezary Cybulski, Jacek Gronwald, Katarzyna Jaworska-Bieniek, Katarzyna Durda, Adalgeir Arason, Christine Maugard, Penny Soucy, Marco Montagna, Simona Agata, Manuel R. Teixeira, Curtis Olswold, Noralane Lindor, Vernon S. Pankratz, Emily Hallberg, Xianshu Wang, Csilla I. Szabo, Joseph Vijai, Lauren Jacobs, Marina Corines, Anne Lincoln, Andreas Berger, Anneliese Fink-Retter, Christian F. Singer, Christine Rappaport, Daphne Gschwantler Kaulich, Georg Pfeiler, Muy-Kheng Tea, Catherine M. Phelan, Phuong L. Mai, Mark H. Greene, Gad Rennert, Evgeny N. Imyanitov, Gord Glendon, Amanda Ewart Toland, Anders Bojesen, Inge Sokilde Pedersen, Uffe Birk Jensen, Maria A. Caligo, Eitan Friedman, Raanan Berger, Yael Laitman, Johanna Rantala, Brita Arver, Niklas Loman, Ake Borg, Hans Ehrencrona, Olufunmilayo I. Olopade, Jacques Simard, Douglas F. Easton, Georgia Chenevix-Trench, Kenneth Offit, Fergus J. Couch, Antonis C. Antoniou

Date Published: 1st Dec 2014

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

DNA glycosylases involved in base excision repair may be associated with cancer risk in BRCA1 and BRCA2 mutation carriers
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

Single Nucleotide Polymorphisms (SNPs) in genes involved in the DNA Base Excision Repair (BER) pathway could be associated with cancer risk in carriers of mutations in the high-penetrance susceptibility … genes BRCA1 and BRCA2, given the relation of synthetic lethality that exists between one of the components of the BER pathway, PARP1 (poly ADP ribose polymerase), and both BRCA1 and BRCA2. In the present study, we have performed a comprehensive analysis of 18 genes involved in BER using a tagging SNP approach in a large series of BRCA1 and BRCA2 mutation carriers. 144 SNPs were analyzed in a two stage study involving 23,463 carriers from the CIMBA consortium (the Consortium of Investigators of Modifiers of BRCA1 and BRCA2). Eleven SNPs showed evidence of association with breast and/or ovarian cancer at p\textless0.05 in the combined analysis. Four of the five genes for which strongest evidence of association was observed were DNA glycosylases. The strongest evidence was for rs1466785 in the NEIL2 (endonuclease VIII-like 2) gene (HR: 1.09, 95% CI (1.03-1.16), p = 2.7 \times 10(-3)) for association with breast cancer risk in BRCA2 mutation carriers, and rs2304277 in the OGG1 (8-guanine DNA glycosylase) gene, with ovarian cancer risk in BRCA1 mutation carriers (HR: 1.12 95%CI: 1.03-1.21, p = 4.8 \times 10(-3)). DNA glycosylases involved in the first steps of the BER pathway may be associated with cancer risk in BRCA1/2 mutation carriers and should be more comprehensively studied.

Authors: Ana Osorio, Roger L. Milne, Karoline Kuchenbaecker, Tereza Vaclová, Guillermo Pita, Rosario Alonso, Paolo Peterlongo, Ignacio Blanco, Miguel de La Hoya, Mercedes Duran, Orland Díez, Teresa Ramón y Cajal, Irene Konstantopoulou, Cristina Martínez-Bouzas, Raquel Andrés Conejero, Penny Soucy, Lesley McGuffog, Daniel Barrowdale, Andrew Lee, Swe-Brca, Brita Arver, Johanna Rantala, Niklas Loman, Hans Ehrencrona, Olufunmilayo I. Olopade, Mary S. Beattie, Susan M. Domchek, Katherine Nathanson, Timothy R. Rebbeck, Banu K. Arun, Beth Y. Karlan, Christine Walsh, Jenny Lester, Esther M. John, Alice S. Whittemore, Mary B. Daly, Melissa Southey, John Hopper, Mary B. Terry, Saundra S. Buys, Ramunas Janavicius, Cecilia M. Dorfling, Elizabeth J. van Rensburg, Linda Steele, Susan L. Neuhausen, Yuan Chun Ding, Thomas v. O. Hansen, Lars Jønson, Bent Ejlertsen, Anne-Marie Gerdes, Mar Infante, Belén Herráez, Leticia Thais Moreno, Jeffrey N. Weitzel, Josef Herzog, Kisa Weeman, Siranoush Manoukian, Bernard Peissel, Daniela Zaffaroni, Giulietta Scuvera, Bernardo Bonanni, Frederique Mariette, Sara Volorio, Alessandra Viel, Liliana Varesco, Laura Papi, Laura Ottini, Maria Grazia Tibiletti, Paolo Radice, Drakoulis Yannoukakos, Judy Garber, Steve Ellis, Debra Frost, Radka Platte, Elena Fineberg, Gareth Evans, Fiona Lalloo, Louise Izatt, Ros Eeles, Julian Adlard, Rosemarie Davidson, Trevor Cole, Diana Eccles, Jackie Cook, Shirley Hodgson, Carole Brewer, Marc Tischkowitz, Fiona Douglas, Mary Porteous, Lucy Side, Lisa Walker, Patrick Morrison, Alan Donaldson, John Kennedy, Claire Foo, Andrew K. Godwin, Rita Katharina Schmutzler, Barbara Wappenschmidt, Kerstin Rhiem, Christoph Engel, Alfons Meindl, Nina Ditsch, Norbert Arnold, Hans Jörg Plendl, Dieter Niederacher, Christian Sutter, Shan Wang-Gohrke, Doris Steinemann, Sabine Preisler-Adams, Karin Kast, Raymonda Varon-Mateeva, Andrea Gehrig, Dominique Stoppa-Lyonnet, Olga M. Sinilnikova, Sylvie Mazoyer, Francesca Damiola, Bruce Poppe, Kathleen Claes, Marion Piedmonte, Kathy Tucker, Floor Backes, Gustavo Rodríguez, Wendy Brewster, Katie Wakeley, Thomas Rutherford, Trinidad Caldés, Heli Nevanlinna, Kristiina Aittomäki, Matti A. Rookus, Theo A. M. van Os, Lizet van der Kolk, J. L. de Lange, Hanne E. J. Meijers-Heijboer, A. H. van der Hout, Christi J. van Asperen, Encarna B. Gómez Garcia, Nicoline Hoogerbrugge, J. Margriet Collée, Carolien H. M. van Deurzen, Rob B. van der Luijt, Peter Devilee, Hebon, Edith Olah, Conxi Lázaro, Alex Teulé, Mireia Menéndez, Anna Jakubowska, Cezary Cybulski, Jacek Gronwald, Jan Lubinski, Katarzyna Durda, Katarzyna Jaworska-Bieniek, Oskar Th Johannsson, Christine Maugard, Marco Montagna, Silvia Tognazzo, Manuel R. Teixeira, Sue Healey, Kconfab Investigators, Curtis Olswold, Lucia Guidugli, Noralane Lindor, Susan Slager, Csilla I. Szabo, Joseph Vijai, Mark Robson, Noah Kauff, Liying Zhang, Rohini Rau-Murthy, Anneliese Fink-Retter, Christian F. Singer, Christine Rappaport, Daphne Geschwantler Kaulich, Georg Pfeiler, Muy-Kheng Tea, Andreas Berger, Catherine M. Phelan, Mark H. Greene, Phuong L. Mai, Flavio Lejbkowicz, Irene Andrulis, Anna Marie Mulligan, Gord Glendon, Amanda Ewart Toland, Anders Bojesen, Inge Sokilde Pedersen, Lone Sunde, Mads Thomassen, Torben A. Kruse, Uffe Birk Jensen, Eitan Friedman, Yael Laitman, Shani Paluch Shimon, Jacques Simard, Douglas F. Easton, Kenneth Offit, Fergus J. Couch, Georgia Chenevix-Trench, Antonis C. Antoniou, Javier Benitez

Date Published: 3rd Apr 2014

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

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