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Current Drug Metabolism


ISSN (Print): 1389-2002
ISSN (Online): 1875-5453

Induction of Cytochromes P450

Author(s): Erin G. Schuetz

Volume 2, Issue 2, 2001

Page: [139 - 147] Pages: 9

DOI: 10.2174/1389200013338595

Price: $65


Humans and rodents are exposed to many foreign compounds in their diet (e.g., herbal supplements such as St. Johns wart), in their environment (e.g., organ-ochlorine pesticides and polychorinated biphenyls), and as clinically prescribed drugs (e.g., rifampin and phenobarbital). In response to these exposures mammals have evolved mechanisms to induce proteins involved in xenobiotic detoxification. Metabo-lism by Phase I enzymes, particularly the heme containing monooxygenases- cytochromes P450 is frequently the first line of defense against such xenobiotics.

Keywords: Cytochromes P450, organ-ochlorine pesticides, polychorinated biphenyls, rifampin and phenobarbital, CYP3A, pregnenolone 16alpha-carbonitrile

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