Vitamin D receptor as an intestinal bile acid sensor

Makoto Makishima, Timothy T. Lu, Wen Xie, G. Kerr Whitfield, Hideharu Domoto, Ronald M. Evans, Mark R. Haussler, David J. Mangelsdorf

Research output: Contribution to journalArticlepeer-review

1027 Scopus citations


The vitamin D receptor (VDR) mediates the effects of the calcemic hormone 1α,25-dihydroxyvitamin D3 [1,25(OH)2D3]. We show that VDR also functions as a receptor for the secondary bile acid lithocholic acid (LCA), which is hepatotoxic and a potential enteric carcinogen. VDR is an order of magnitude more sensitive to LCA and its metabolites than are other nuclear receptors. Activation of VDR by LCA or vitamin D induced expression in vivo of CYP3A, a cytochrome P450 enzyme that detoxifies LCA in the liver and intestine. These studies offer a mechanism that may explain the proposed protective effects of vitamin D and its receptor against colon cancer.

Original languageEnglish (US)
Pages (from-to)1313-1316
Number of pages4
Issue number5571
StatePublished - May 17 2002

ASJC Scopus subject areas

  • General


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