Article
CYP3A4 polymorphisms--potential risk factors for breast and prostate cancer: a HuGE review.
American journal of epidemiology - 1 Nov 2004
Keshava Channa, McCanlies Erin C, Weston Ainsley
Abstract excerpt
The steroid hydroxylase CYP3A4 is the most abundant P-450 enzyme in the human liver, and CYP3A enzymes metabolize more than 50% of prescription drugs. The CYP3A4 gene is expressed in the liver, gut, colon, prostate, and breast. Individual variation in CYP3A4 may play a role in breast and prostate carcinogenesis through modulation of sex hormone metabolite levels. Alternatively, CYP3A4 can metabolically activate...
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