No association of TGFB1 L10P genotypes and breast cancer risk in BRCA1 and BRCA2 mutation carriers: a multi-center cohort study.
Timothy R Rebbeck, Antonis C Antoniou, Trinidad Caldes Llopis, Heli Nevanlinna, Kristiina Aittomäki, Jacques Simard, Amanda B Spurdle, undefined KConFab, Fergus J Couch, Lutecia H Mateus Pereira, Mark H Greene, Irene L Andrulis, undefined Ontario Cancer Genetics Network, Boris Pasche, Virginia Kaklamani, undefined Breast Cancer Family Registry, Ute Hamann, Csilla Szabo, Susan Peock, Margaret Cook Show all
Breast Cancer Res Treat | Published : 2009
BACKGROUND: The transforming growth factor beta-1 gene (TGFB1) is a plausible candidate for breast cancer susceptibility. The L10P variant of TGFB1 is associated with higher circulating levels and secretion of TGF-beta, and recent large-scale studies suggest strongly that this variant is associated with breast cancer risk in the general population. METHODS: To evaluate whether TGFB1 L10P also modifies the risk of breast cancer in BRCA1 or BRCA2 mutation carriers, we undertook a multi-center study of 3,442 BRCA1 and 2,095 BRCA2 mutation carriers. RESULTS: We found no evidence of association between TGFB1 L10P and breast cancer risk in either BRCA1 or BRCA2 mutation carriers. The per-allele HR..View full abstract
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