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Drug Metab Rev. 2006;38(1-2):51-73.

Synthetic drugs and natural products as modulators of constitutive androstane receptor (CAR) and pregnane X receptor (PXR).

Author information

1
Faculty of Pharmaceutical Sciences, The University of British Columbia, Vancouver, Canada. tchang@interchange.ubc.ca

Abstract

Constitutive androstane receptor (CAR) and pregnane X receptor (PXR) are members of the nuclear receptor superfamily. These transcription factors are predominantly expressed in the liver, where they are activated by structurally diverse compounds, including many drugs and endogenous substances. CAR and PXR regulate the expression of a broad range of genes, which contribute to transcellular transport, bioactivation, and detoxification of numerous xenochemicals and endogenous substances. This article discusses the importance of these receptors for pharmacology and toxicology, emphasizing the role of individual drugs and natural products as agonists, indirect activators, inverse agonists, and antagonists of CAR and PXR.

PMID:
16684648
DOI:
10.1080/03602530600569828
[Indexed for MEDLINE]

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