Authors: Tang, W.; Wang, R. W.; Lu, Anthony Y.H.

Source: Current Drug Metabolism, Volume 6, Number 5, October 2005 , pp. 503-517(15)

Publisher: Bentham Science Publishers

Abstract:

An important role of human cytochrome P450s (P450s) has been well recognized in the area of drug metabolism and pharmacokinetics. It has become possible in recent years to express catalytically active forms of these enzymes in various host systems. The resulting recombinant human P450s are either purified for studies of protein structure and the mechanism of catalysis or isolated in microsomal forms to serve the purposes of P450 phenotyping, metabolic stability screening and inhibitory potential evaluation. Intact mammalian cells expressing human enzymes may also be used to test the mutagenic and toxicity potential of drug candidates. The issue remains, however, that the data derived from recombinant P450s are not always consistent with those generated from human tissue preparations. The aim of this communication is to discuss applications of recombinant P450s in the drug discovery and development setting, with an emphasis on comparison of recombinant and human liver microsomal systems.

Keywords: cytochrome p; recombinant; drug metabolism; pharmacokinetics; liver microsomes

Document Type: Review article

DOI: http://dx.doi.org/10.2174/138920005774330602

Affiliations: 1: Department of Drug Metabolism, Merck & Co., PO Box 2000, RY800-B211, Rahway, NJ, 07065, USA.

Publication date: 2005-10-01

More about this publication?

• Current Drug Metabolism aims to cover all the latest and outstanding developments in drug metabolism and disposition. The journal serves as an international forum for the publication of timely reviews in drug metabolism. Current Drug Metabolism is an essential journal for academic, clinical, government and pharmaceutical scientists who wish to be kept informed and up-to-date with the latest and most important developments. The journal covers the following areas:
  
  In vitro systems including CYP-450; enzyme induction and inhibition; drug-drug interactions and enzyme kinetics; pharmacokinetics, toxicokinetics, species scaling and extrapolations; P-glycoprotein and transport carriers; target organ toxicity and interindividual variability; drug metabolism and disposition studies; extrahepatic metabolism; phase I and phase II metabolism; recent developments for the identification of drug metabolites and adducts.

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