ArticleAnnals of oncology : official journal of the European Society for Medical Oncology2025
Association of gene variant type and location with breast cancer risk in the general population.
Article in Annals of oncology : official journal of the European Society for Medical Oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Inherited cancer syndromes in adult oncology: a referral guide based on malignant tumor and polyp features.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026Review
- The impact of breast cancer polygenic risk score disclosure on decisional conflict around risk-reducing mastectomy in women with pathogenic BRCA1/2 variants.Genetics in medicine : official journal of the American College of Medical Genetics · 2026Article
- Refining breast cancer risk estimation in carriers of pathogenicTranslational cancer research · 2026Article
- Prognostic and therapeutic implications of BRCA1 and BRCA2 mutations in ovarian cancer.Frontiers in oncology · 2026Review
- Review
- The Risk of Breast Cancer According to Mutation Type and Position in Carriers of a Pathogenic Variant inCurrent oncology (Toronto, Ont.) · 2025Article
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Abstract
backgroundPathogenic variants (PVs) in ATM, BRCA1, BRCA2, CHEK2, and PALB2 are associated with increased breast cancer risk. It is unknown, however, whether this risk differs by PV type or location in carriers ascertained from the general population. PATIENTS AND
methodsTo evaluate breast cancer risks associated with PV type and location in ATM, BRCA1, BRCA2, CHEK2, and PALB2, we carried out age-adjusted case-control association analysis in 32 247 women with and 32 544 age-matched women without breast cancer from the CARRIERS Consortium. PVs were grouped by type and location within genes and assessed for risks of breast cancer [odds ratios (OR), 95% confidence intervals (CI), and P values] using logistic regression.
resultsCompared with women carrying BRCA2 exon 11 protein truncating variants (PTVs) in the CARRIERS population-based study, women with BRCA2 ex1-10 PTVs (OR = 13.5, 95% CI 6.0-38.7, P < 0.001) and ex13-27 PTVs (OR = 9.0, 95% CI 4.9-18.5, P < 0.001) had higher breast cancer risks, lower rates of estrogen receptor (ER)-negative breast cancer (ex13-27 OR = 0.5, 95% CI 0.2-0.9, P = 0.035; ex1-10 OR = 0.5, 95% CI 0.1-1.0, P = 0.065), and earlier age at breast cancer diagnosis (ex13-27 5.5 years, P < 0.001; ex1-10 2.4 years, P = 0.169). These associations with ER-negative breast cancer and age were replicated in a high-risk clinical cohort from Ambry Genetics and the population-based UK Biobank cohort. No differences in risk by gene region were observed for PTVs in other predisposition genes.
conclusionsPopulation-based and clinical high-risk cohorts establish that PTVs in exon 11 of BRCA2 are associated with reduced breast cancer risk, later age at diagnosis, and greater risk of ER-negative disease. These differential risks may improve individualized risk prediction and clinical management for women carrying BRCA2 PTVs.
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