Journal
NATURE GENETICS
Volume 53, Issue 1, Pages 11-15Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41588-020-00748-0
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Funding
- US National Institutes of Health [U19CA148537, U01CA194393, K99CA246063]
- ARCS Foundation, Inc., Los Angeles Chapter through the Margaret Kirsten Ponty Fellowship
- ARCS Foundation, Inc., Los Angeles Chapter through John and Edith Leonis Family Foundation
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The study identified 86 new genetic risk variants associated with prostate cancer, bringing the total known risk variants to 269. The top genetic risk score decile showed different odds ratios for men of European, African, and East Asian ancestries, highlighting the role of germline variation and providing a potential approach for personalized risk prediction.
Prostate cancer is a highly heritable disease with large disparities in incidence rates across ancestry populations. We conducted a multiancestry meta-analysis of prostate cancer genome-wide association studies (107,247 cases and 127,006 controls) and identified 86 new genetic risk variants independently associated with prostate cancer risk, bringing the total to 269 known risk variants. The top genetic risk score (GRS) decile was associated with odds ratios that ranged from 5.06 (95% confidence interval (CI), 4.84-5.29) for men of European ancestry to 3.74 (95% CI, 3.36-4.17) for men of African ancestry. Men of African ancestry were estimated to have a mean GRS that was 2.18-times higher (95% CI, 2.14-2.22), and men of East Asian ancestry 0.73-times lower (95% CI, 0.71-0.76), than men of European ancestry. These findings support the role of germline variation contributing to population differences in prostate cancer risk, with the GRS offering an approach for personalized risk prediction. A meta-analysis of genome-wide association studies across different populations highlights new risk loci and provides a genetic risk score that can stratify prostate cancer risk across ancestries.
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