Pharmacogenetics of Estrogen Metabolism and Transport in Relation to Cancer

Author(s): Nehal J. Lakhani, Jurgen Venitz, William D. Figg, Alex Sparreboom

Journal Name: Current Drug Metabolism

Volume 4 , Issue 6 , 2003

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Exposure to estrogens has been long associated with the genesis of human malignancies, including breast, ovarian, and endometrial cancer. A variety of phase I and II enzymes are involved in the metabolic activation and deactivation of estrogens, including cytochrome P450 isoforms, estrone sulfatase, sulfotransferases, catechol-o-methyltransferase, and uridine-5-diphosphate glucuronosyltransferase. In addition, at least one ATP-binding cassette gene (i.e., ABCG2) is involved in estrogen transport. Variability in the expression levels of these proteins may have important consequences for an individuals susceptibility to certain malignancies. Naturally occurring variants in the genes involved in estrogen exposure levels have been identified that might affect protein function and expression. This review focuses on recent advances in the pharmacogenetics of these proteins, and discusses potential clinical ramifications of these genetic variants.

Keywords: estrogen, metabolism, transport, cancer, pharmacogenetics

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Article Details

Year: 2003
Page: [505 - 513]
Pages: 9
DOI: 10.2174/1389200033489244
Price: $65

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