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Candidate Genetic Modifiers for Breast and Ovarian Cancer Risk in BRCA1 and BRCA2 Mutation Carriers
Fdn Ist FIRC Oncology Molecolare, Italy; Fdn IRCCS Ist Nazl Tumori INT, Italy.
German Cancer Research Centre, Germany.
Roswell Pk Cancer Institute, NY 14263 USA.
German Cancer Research Centre, Germany.
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2015 (English)In: Cancer Epidemiology, Biomarkers and Prevention, ISSN 1055-9965, E-ISSN 1538-7755, Vol. 24, no 1, 308-316 p.Article in journal (Refereed) Published
Abstract [en]

Background: BRCA1 and BRCA2 mutation carriers are at substantially increased risk for developing breast and ovarian cancer. The incomplete penetrance coupled with the variable age at diagnosis in carriers of the same mutation suggests the existence of genetic and nongenetic modifying factors. In this study, we evaluated the putative role of variants in many candidate modifier genes. Methods: Genotyping data from 15,252 BRCA1 and 8,211 BRCA2 mutation carriers, for known variants (n = 3,248) located within or around 445 candidate genes, were available through the iCOGS custom-designed array. Breast and ovarian cancer association analysis was performed within a retrospective cohort approach. Results: The observed P values of association ranged between 0.005 and 1.000. None of the variants was significantly associated with breast or ovarian cancer risk in either BRCA1 or BRCA2 mutation carriers, after multiple testing adjustments. Conclusion: There is little evidence that any of the evaluated candidate variants act as modifiers of breast and/or ovarian cancer risk in BRCA1 or BRCA2 mutation carriers. Impact: Genome-wide association studies have been more successful at identifying genetic modifiers of BRCA1/2 penetrance than candidate gene studies.

Place, publisher, year, edition, pages
American Association for Cancer Research , 2015. Vol. 24, no 1, 308-316 p.
National Category
Cancer and Oncology
URN: urn:nbn:se:liu:diva-114432DOI: 10.1158/1055-9965.EPI-14-0532ISI: 000348030700038PubMedID: 25336561OAI: diva2:791937

Funding Agencies|European Community (COGS) [223175, HEALTH-F2-2009-223175]; Cancer Research UK [C1287/A10118, C1287/A 10710, C12292/A11174, C1281/A12014, C5047/A8384, C5047/ A15007, C5047/A10692, C1287/A16563, C1287/A17523, C5047/A8385]; NIH [CA128978, R01-CA102776, R01CA083855]; Post-Cancer GWAS initiative [1U19CA148537, 1U19 CA148065, 1U19 CA148112]; Department of Defence [W81XWH-10-1-0341]; Canadian Institutes of Health Research (CIHR) for the CIHR Team in Familial Risks of Breast Cancer; Komen Foundation; Breast Cancer Research Foundation; Ovarian Cancer Research Fund; National Cancer Institute [UM1 CA164920, RC4CA153828]; Research Council of Lithuania [LIG-07/2012]; Cancer Association of South Africa (CANSA); Spanish Association against Cancer [AECC08, RTICC 06/0020/1060, FISPI12/00070]; Mutua Madrilena Foundation (FMMA); City of Hope Clinical Cancer Genetics Community Research Network and the Hereditary Cancer Research Registry (COH-CCGCRN); Fondazione IRCCS Istituto Nazionale dei Tumori; DKFZ; NIHR grant to the Biomedical Research Centre, Manchester; NIHR grant to the Biomedical Research Centre at The Institute of Cancer Research; Royal Marsden NHS Foundation Trust; German Cancer Aid [109078]; Center for Molecular Medicine Cologne (CMMC); Ligue National Contre le Cancer; Association "Le cancer du sein, parlons-en!" Award; Canadian Institutes of Health Research for the "CIHR Team in Familial Risks of Breast Cancer" program; Helsinki University Central Hospital Research Fund, Academy of Finland [266528]; Finnish Cancer Society and the Sigrid Juselius Foundation; Dutch Cancer Society [NKI1998-1854, NKI2004-3088, NKI2007-3756]; Netherlands Organization of Scientific Research [NWO 91109024]; Pink Ribbon [110005]; BBMRI [NWO 184.021.007/CP46]; Hungarian Research Grants [KTIA OTKA CK-80745, OTKA K-112228]; Asociacion Espanola Contra el Cancer; Spanish Health Research Fund; Carlos III Health Institute; Catalan Health Institute and Autonomous Government of Catalonia [ISCIIIRETIC RD06/0020/1051, RD12/0036/008, PI10/01422, PI10/00748, PI13/00285, 2009SGR290]; Icelandic Association "Walking for Breast Cancer Research"; Landspitali University Hospital Research Fund; Ministero della Salute; Istituto Oncologico Veneto; National Breast Cancer Foundation; National Health and Medical Research Council (NHMRC); Queensland Cancer Fund; Cancer Councils of New South Wales, Victoria, Tasmania and South Australia; Cancer Foundation of Western Australia; NCI Specialized Program of Research Excellence (SPORE) in Breast Cancer [CA116201]; U.S. Department of Defence Ovarian Cancer Idea award [W81XWH-10-1-0341]; David and Margaret T. Grohne Family Foundation; Ting Tsung and Wei Fong Chao Foundation; Robert and Kate Niehaus Clinical Cancer Genetics Initiative; Ohio State University Comprehensive Cancer Center; Swedish Cancer Society; Womens Cancer Program (WCP) at the Samuel Oschin Comprehensive Cancer Institute - American Cancer Society Early Detection Professorship [SIOP-06-258-01-COUN]; NEYE Foundation; European Union (European Social Fund - ESF); Greek national funds through the Operational Program "Education and Lifelong Learning" of the National Strategic Reference Framework (NSRF) - Research Funding Program of the General Secretariat for Research Technology:; University of Kansas Cancer Center [P30 CA168524]; Kansas Bioscience Authority Eminent Scholar Program; National Cancer Institute grants to the Gynecologic Oncology Group (GOG) Administrative Office and Tissue Bank [CA 27469]; GOG Statistical and Data Center [CA 37517]; NCIs Community Clinical Oncology Program (CCOP) grant [CA 101165]; Canadian Breast Cancer Research Alliance-grant [019511]; Ministry of Economic Development, Innovation and Export Trade - grant [PSR-SIIRI-701]; Israel Cancer Association; Israeli Inherited Breast Cancer Consortium; Susan G. Komen Foundation; Basser Research Center; ISCIII [RD12/00369/0006]; European Regional Development funds, Spain; Morris and Horowitz Families Endowed Professorship; Chancellors Distinguished Chair in Biomedical Sciences Professorship; Intramural Research Program of the US National Cancer Institute; NIH; Westat, Inc; [PBZ_KBN_122/P05/2004]; [1R01 CA149429-01]; [5U01CA113916]; [R01CA140323]; [NO2-CP-11019- 50]; [N02-CP-65504]

Available from: 2015-03-02 Created: 2015-02-20 Last updated: 2015-03-13

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Askmalm Stenmark, Marie
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Division of Clinical SciencesFaculty of Health SciencesDepartment of Clinical Pathology and Clinical Genetics
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