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Ovarian and breast cancer risks associated with pathogenic variants in RAD51C and RAD51D
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

BACKGROUND The purpose of this study was to estimate precise age-specific tubo-ovarian carcinoma (TOC) and breast cancer (BC) risks for carriers of pathogenic variants in RAD51C and RAD51D. METHODS We … We analysed data from 6178 families, 125 with pathogenic variants in RAD51C; and 6690 families, 60 with pathogenic variants in RAD51D. TOC and BC relative and cumulative risks were estimated using complex segregation analysis to model the cancer inheritance patterns in families, while adjusting for the mode of ascertainment of each family. All statistical tests were two-sided. RESULTS Pathogenic variants in both RAD51C and RAD51D were associated with TOC (RAD51C RR = 7.55, 95%CI:5.60-10.19, p = 5 \times 10-40; RAD51D RR = 7.60, 95%CI:5.61-10.30, p = 5 \times 10-39) and BC (RAD51C RR = 1.99, 95%CI:1.39-2.85, p = 1.55 \times 10-4; RAD51D RR = 1.83, 95%CI:1.24-2.72, p = 0.002). For both RAD51C and RAD51D, there was a suggestion that the TOC RRs increased with age until around age 60 years and decreased thereafter. The estimated cumulative risks of developing TOC to age 80 were 11% (95%CI:6-21%) for RAD51C and 13% (95%CI:7-23%) for RAD51D pathogenic variant carriers. The estimated cumulative risks of developing BC to 80 were 21% (95%CI:15-29%) for RAD51C and 20% (95%CI:14-28%) for RAD51D pathogenic variant carriers. Both TOC and BC risks for RAD51C/D pathogenic variant carriers varied by cancer family history, and could be as high as 32-36% for TOC, for carriers with two first degree relatives diagnosed with TOC; or 44-46% for BC, for carriers with two first degree relatives diagnosed with BC. CONCLUSIONS These estimates will facilitate the genetic counselling of RAD51C and RAD51D pathogenic variant carriers and justify the incorporation of RAD51C and RAD51D into cancer risk prediction models.

Authors: Xin Yang, Honglin Song, Goska Leslie, Christoph Engel, Eric Hahnen, Bernd Auber, Judit Horváth, Karin Kast, Dieter Niederacher, Clare Turnbull, Richard Houlston, Helen Hanson, Chey Loveday, Jill S. Dolinsky, Holly Laduca, Susan J. Ramus, Usha Menon, Adam N. Rosenthal, Ian Jacobs, Simon A. Gayther, Ed Dicks, Heli Nevanlinna, Kristiina Aittomäki, Liisa M. Pelttari, Hans Ehrencrona, Åke Borg, Anders Kvist, Barbara Rivera, Thomas v. O. Hansen, Malene Djursby, Andrew Lee, Joe Dennis, David D. Bowtell, Nadia Traficante, Orland Diez, Judith Balmaña, Stephen B. Gruber, Georgia Chenevix-Trench, Allan Jensen, Susanne K. Kjær, Estrid Høgdall, Laurent Castéra, Judy Garber, Ramunas Janavicius, Ana Osorio, Lisa Golmard, Ana Vega, Fergus J. Couch, Mark Robson, Jacek Gronwald, Susan M. Domchek, Julie O. Culver, Miguel de La Hoya, Douglas F. Easton, William D. Foulkes, Marc Tischkowitz, Alfons Meindl, Rita K. Schmutzler, Paul D. P. Pharoah, Antonis C. Antoniou

Date Published: 28th Feb 2020

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

Ovarian cancer susceptibility alleles and risk of ovarian cancer in BRCA1 and BRCA2 mutation carriers
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

Germline mutations in BRCA1 and BRCA2 are associated with increased risks of breast and ovarian cancer. A genome-wide association study (GWAS) identified six alleles associated with risk of ovarian … cancer for women in the general population. We evaluated four of these loci as potential modifiers of ovarian cancer risk for BRCA1 and BRCA2 mutation carriers. Four single-nucleotide polymorphisms (SNPs), rs10088218 (at 8q24), rs2665390 (at 3q25), rs717852 (at 2q31), and rs9303542 (at 17q21), were genotyped in 12,599 BRCA1 and 7,132 BRCA2 carriers, including 2,678 ovarian cancer cases. Associations were evaluated within a retrospective cohort approach. All four loci were associated with ovarian cancer risk in BRCA2 carriers; rs10088218 per-allele hazard ratio (HR) = 0.81 (95% CI: 0.67-0.98) P-trend = 0.033, rs2665390 HR = 1.48 (95% CI: 1.21-1.83) P-trend = 1.8 \times 10(-4), rs717852 HR = 1.25 (95% CI: 1.10-1.42) P-trend = 6.6 \times 10(-4), rs9303542 HR = 1.16 (95% CI: 1.02-1.33) P-trend = 0.026. Two loci were associated with ovarian cancer risk in BRCA1 carriers; rs10088218 per-allele HR = 0.89 (95% CI: 0.81-0.99) P-trend = 0.029, rs2665390 HR = 1.25 (95% CI: 1.10-1.42) P-trend = 6.1 \times 10(-4). The HR estimates for the remaining loci were consistent with odds ratio estimates for the general population. The identification of multiple loci modifying ovarian cancer risk may be useful for counseling women with BRCA1 and BRCA2 mutations regarding their risk of ovarian cancer.

Authors: Susan J. Ramus, Antonis C. Antoniou, Karoline B. Kuchenbaecker, Penny Soucy, Jonathan Beesley, Xiaoqing Chen, Lesley McGuffog, Olga M. Sinilnikova, Sue Healey, Daniel Barrowdale, Andrew Lee, Mads Thomassen, Anne-Marie Gerdes, Torben A. Kruse, Uffe Birk Jensen, Anne-Bine Skytte, Maria A. Caligo, Annelie Liljegren, Annika Lindblom, Håkan Olsson, Ulf Kristoffersson, Marie Stenmark-Askmalm, Beatrice Melin, Susan M. Domchek, Katherine L. Nathanson, Timothy R. Rebbeck, Anna Jakubowska, Jan Lubinski, Katarzyna Jaworska, Katarzyna Durda, Elżbieta Złowocka, Jacek Gronwald, Tomasz Huzarski, Tomasz Byrski, Cezary Cybulski, Aleksandra Toloczko-Grabarek, Ana Osorio, Javier Benitez, Mercedes Duran, Maria-Isabel Tejada, Ute Hamann, Matti Rookus, Flora E. van Leeuwen, Cora M. Aalfs, Hanne E. J. Meijers-Heijboer, Christi J. van Asperen, K. E. P. van Roozendaal, Nicoline Hoogerbrugge, J. Margriet Collée, Mieke Kriege, Rob B. van der Luijt, Susan Peock, Debra Frost, Steve D. Ellis, Radka Platte, Elena Fineberg, D. Gareth Evans, Fiona Lalloo, Chris Jacobs, Ros Eeles, Julian Adlard, Rosemarie Davidson, Diana Eccles, Trevor Cole, Jackie Cook, Joan Paterson, Fiona Douglas, Carole Brewer, Shirley Hodgson, Patrick J. Morrison, Lisa Walker, Mary E. Porteous, M. John Kennedy, Harsh Pathak, Andrew K. Godwin, Dominique Stoppa-Lyonnet, Virginie Caux-Moncoutier, Antoine de Pauw, Marion Gauthier-Villars, Sylvie Mazoyer, Mélanie Léoné, Alain Calender, Christine Lasset, Valérie Bonadona, Agnès Hardouin, Pascaline Berthet, Yves-Jean Bignon, Nancy Uhrhammer, Laurence Faivre, Catherine Loustalot, Saundra Buys, Mary Daly, Alex Miron, Mary Beth Terry, Wendy K. Chung, Esther M. John, Melissa Southey, David Goldgar, Christian F. Singer, Muy-Kheng Tea, Georg Pfeiler, Anneliese Fink-Retter, Thomas v. O. Hansen, Bent Ejlertsen, Oskar Th Johannsson, Kenneth Offit, Tomas Kirchhoff, Mia M. Gaudet, Joseph Vijai, Mark Robson, Marion Piedmonte, Kelly-Anne Phillips, Linda van Le, James S. Hoffman, Amanda Ewart Toland, Marco Montagna, Silvia Tognazzo, Evgeny Imyanitov, Claudine Issacs, Ramunas Janavicius, Conxi Lazaro, Iganacio Blanco, Eva Tornero, Matilde Navarro, Kirsten B. Moysich, Beth Y. Karlan, Jenny Gross, Edith Olah, Tibor Vaszko, Soo-Hwang Teo, Patricia A. Ganz, Mary S. Beattie, Cecelia M. Dorfling, Elizabeth J. van Rensburg, Orland Diez, Ava Kwong, Rita K. Schmutzler, Barbara Wappenschmidt, Christoph Engel, Alfons Meindl, Nina Ditsch, Norbert Arnold, Simone Heidemann, Dieter Niederacher, Sabine Preisler-Adams, Dorotehea Gadzicki, Raymonda Varon-Mateeva, Helmut Deissler, Andrea Gehrig, Christian Sutter, Karin Kast, Britta Fiebig, Dieter Schäfer, Trinidad Caldes, Miguel de La Hoya, Heli Nevanlinna, Kristiina Aittomäki, Marie Plante, Amanda B. Spurdle, Susan L. Neuhausen, Yuan Chun Ding, Xianshu Wang, Noralane Lindor, Zachary Fredericksen, V. Shane Pankratz, Paolo Peterlongo, Siranoush Manoukian, Bernard Peissel, Daniela Zaffaroni, Bernardo Bonanni, Loris Bernard, Riccardo Dolcetti, Laura Papi, Laura Ottini, Paolo Radice, Mark H. Greene, Phuong L. Mai, Irene L. Andrulis, Gord Glendon, Hilmi Ozcelik, Paul D. P. Pharoah, Simon A. Gayther, Jacques Simard, Douglas F. Easton, Fergus J. Couch, Georgia Chenevix-Trench

Date Published: 1st Apr 2012

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

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