Breast cancer and CYPIA1, GSTM1, and GSTT1 polymorphisms: evidence of a lack of association in Caucasians and African Americans.

Abstract excerpt

Genetically based differences in carcinogen metabolism have been related to polymorphisms of the cytochrome P450IA1 gene (CYPIA1) and the null genotypes of glutathione S-transferase classes mu and theta (GSTM1 and GSTT1). By PCR we examined the genotypes of CYPIA1, GSTM1, and GSTT1 in relation to breast cancer risk in Caucasian and African-American women. The study included 164 Caucasian and 59 African-American...

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