Low penetrance genes associated with increased risk for breast cancer.

Abstract excerpt

Much effort in recent years has been focused on understanding the factors that contribute to breast cancer risk. Two major susceptibility alleles, BRCA1 and BRCA2, have been identified, and the prevalence and penetrance of mutations in these genes have been studied extensively. However, this work highlights the fact that only a small proportion of breast cancer is due to mutations in the genes. Evidence for...

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