Semin Liver Dis 2002; 22(2): 123-136
DOI: 10.1055/s-2002-30099
Copyright © 2002 by Thieme Medical Publishers, Inc., 333 Seventh Avenue, New York, NY 10001, USA. Tel.: +1(212) 584-4662

Mechanisms of Hepatic Transport of Drugs: Implications for Cholestatic Drug Reactions

Alan Bohan, James L. Boyer
  • Liver Center, Yale University School of Medicine, New Haven, Connecticut
Further Information

Publication History

Publication Date:
16 May 2002 (online)

Preview

ABSTRACT

Hepatocellular and canalicular transport proteins are major determinants of the hepatic uptake and biliary excretion of xenobiotics and their metabolites. Recent advances in molecular cloning have resulted in the characterization of many of these transport systems. These advances have enabled the identification of a number of drugs that are substrates for the transporters, and it has facilitated studies of mechanisms of drug-induced cholestasis. This review summarizes the normal function of hepatobiliary transporters and their alteration by drugs or other foreign compounds. Although most of these investigations have been performed in animal models of drug-induced cholestasis, the application to human forms of drug-induced cholestasis is also discussed when possible. One important finding is that genetic polymorphisms can result in changes in drug transporter expression and function that could increase susceptibility to cholestatic drug reactions.

REFERENCES