Association of Genomic Domains in BRCA1 and BRCA2 with Prostate Cancer Risk and Aggressiveness
AuthorPatel, VL; Busch, EL; Friebel, TM; Cronin, A; Leslie, G; McGuffog, L; Adlard, J; Agata, S; Agnarsson, BA; Ahmed, M; ...
Source TitleCancer Research
PublisherAMER ASSOC CANCER RESEARCH
University of Melbourne Author/sCampbell, Ian; Hopper, John; James, Paul; Trainer, Alison; Southey, Melissa
AffiliationSir Peter MacCallum Department of Oncology
Melbourne School of Population and Global Health
Document TypeJournal Article
CitationsPatel, V. L., Busch, E. L., Friebel, T. M., Cronin, A., Leslie, G., McGuffog, L., Adlard, J., Agata, S., Agnarsson, B. A., Ahmed, M., Aittomaki, K., Alducci, E., Andrulis, I. L., Arason, A., Arnold, N., Artioli, G., Arver, B., Auber, B., Azzollini, J. ,... Rebbeck, T. R. (2020). Association of Genomic Domains in BRCA1 and BRCA2 with Prostate Cancer Risk and Aggressiveness. CANCER RESEARCH, 80 (3), pp.624-638. https://doi.org/10.1158/0008-5472.CAN-19-1840.
Access StatusAccess this item via the Open Access location
Open Access URLAccepted version
Pathogenic sequence variants (PSV) in BRCA1 or BRCA2 (BRCA1/2) are associated with increased risk and severity of prostate cancer. We evaluated whether PSVs in BRCA1/2 were associated with risk of overall prostate cancer or high grade (Gleason 8+) prostate cancer using an international sample of 65 BRCA1 and 171 BRCA2 male PSV carriers with prostate cancer, and 3,388 BRCA1 and 2,880 BRCA2 male PSV carriers without prostate cancer. PSVs in the 3' region of BRCA2 (c.7914+) were significantly associated with elevated risk of prostate cancer compared with reference bin c.1001-c.7913 [HR = 1.78; 95% confidence interval (CI), 1.25-2.52; P = 0.001], as well as elevated risk of Gleason 8+ prostate cancer (HR = 3.11; 95% CI, 1.63-5.95; P = 0.001). c.756-c.1000 was also associated with elevated prostate cancer risk (HR = 2.83; 95% CI, 1.71-4.68; P = 0.00004) and elevated risk of Gleason 8+ prostate cancer (HR = 4.95; 95% CI, 2.12-11.54; P = 0.0002). No genotype-phenotype associations were detected for PSVs in BRCA1. These results demonstrate that specific BRCA2 PSVs may be associated with elevated risk of developing aggressive prostate cancer. SIGNIFICANCE: Aggressive prostate cancer risk in BRCA2 mutation carriers may vary according to the specific BRCA2 mutation inherited by the at-risk individual.
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