Journal
EUROPEAN UROLOGY ONCOLOGY
Volume 4, Issue 4, Pages 570-579Publisher
ELSEVIER
DOI: 10.1016/j.euo.2020.12.001
Keywords
Prostate cancer; ATM gene mutations; Genetic predisposition; Targeted screening and therapy
Categories
Funding
- PRACTICAL Consortium
- Cancer Research UK [C5047/A17528]
- National Cancer Institute at the National Institutes of Health [R01 CA196931]
- Bob Champion Trust
- Global Challenges Research Fund (GCRF)
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The study suggests that carriers of germline ATM mutations have an increased risk of prostate cancer, especially those with tier 1 variants. Additionally, patients diagnosed at a younger age tend to have higher frequencies of tier 1 variants.
Background: Germline ATM mutations are suggested to contribute to predisposition to prostate cancer (PrCa). Previous studies have had inadequate power to estimate variant effect sizes. Objective: To precisely estimate the contribution of germline ATM mutations to PrCa risk. Design, setting, and participants: A We analysed next-generation sequencing data from 13 PRACTICAL study groups comprising 5560 cases and 3353 controls of European ancestry. Outcome measurements and statistical analysis: Variant Call Format files were harmonised, annotated for rare ATM variants, and classified as tier 1 (likely pathogenic) or tier 2 (potentially deleterious). Associations with overall PrCa risk and clinical subtypes were estimated. Results and limitations: PrCa risk was higher in carriers of a tier 1 germline ATM variant, with an overall odds ratio (OR) of 4.4 (95% confidence interval [CI]: 2.0-9.5). There was also evidence that PrCa cases with younger age at diagnosis (<65 yr) had elevated tier 1 variant frequencies (p(difference) = 0.04). Tier 2 variants were also associated with PrCa risk, with an OR of 1.4 (95% CI: 1.1-1.7). Conclusions: Carriers of pathogenic ATM variants have an elevated risk of developing PrCa and are at an increased risk for earlier-onset disease presentation. These results provide information for counselling of men and their families. Patient summary: In this study, we estimated that men who inherit a likely pathogenic mutation in the ATM gene had an approximately a fourfold risk of developing prostate cancer. In addition, they are likely to develop the disease earlier. (C) 2020 The Authors. Published by Elsevier B.V. on behalf of European Association of Urology.
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