Polymorphisms of the BRCA2 and RAD51 Genes in Breast Cancer
- 1 November 2005
- journal article
- Published by Springer Nature in Breast Cancer Research and Treatment
- Vol. 94 (2) , 105-109
- https://doi.org/10.1007/s10549-005-0672-5
Abstract
We performed a case-control study (150 cases and 150 controls) to test the association between three polymorphisms in BRCA2 and RAD51 genes and breast cancer risk. Genotypes were determined in DNA from blood cells by PCR–RFLP. Cancer occurrence was strongly associated with the BRCA2 Met/1915Thr homozygous polymorphic variants, whereas heterozygous variant was associated with significant reduction in breast cancer risk. Gene-gene interaction between the BRCA2-Met1915Thr Thr/Thr and BRCA2-Met784Val Met/Met homozygous variants increased the risk. Therefore, the Met1915Thr polymorphism in the BRCA2 gene may be considered as an independent marker of breast cancer.Keywords
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