The BRCA1 and BRCA2 genes encode proteins that participate inthe cellular response to DNA damage; inactivating mutationsin these genes heighten susceptibility to breast and ovariancancers. The mechanism underlying this tissue specificity isnot understood, nor is it clear why mutations in these genes,which are associated with inherited cancer, are not a featureof sporadic breast cancer. The susceptibility to cancer resultsfrom the inheritance of one mutant allele of either BRCA1 orBRCA2 (autosomal dominant transmission), followed by the lossof the second allele in breast or ovarian epithelial cells (lossof heterozygosity), leading to complete . . . [Full Text of this Article]
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Oophorectomy in Carriers of BRCA Mutations
Zhuang S. H., Leonard G. D., Swain S. M., Peshkin B. N., DeMarco T. A., Schwartz M. D., Anderson W. F., Brawley O. W., Chang S., Whitfield G. A., Kauff N. D., Robson M. E., Offit K., Rebbeck T. R., Weber B. L.
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N Engl J Med 2002;
347:1037-1040, Sep 26, 2002.
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