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Vitamin D receptor: molecular signaling and actions of nutritional ligands in disease prevention

Mark R Haussler , Carol A Haussler , Leonid Bartik , G Kerr Whitfield , Jui-Cheng Hsieh , Stephanie Slater , Peter W Jurutka
DOI: http://dx.doi.org/10.1111/j.1753-4887.2008.00093.x S98-S112 First published online: 1 October 2008

Abstract

The human vitamin D receptor (VDR) is a key nuclear receptor that binds nutritionally derived ligands and exerts bioeffects that contribute to bone mineral homeostasis, detoxification of exogenous and endogenous compounds, cancer prevention, and mammalian hair cycling. Liganded VDR modulates gene expression via heterodimerization with the retinoid X receptor and recruitment of coactivators or corepressors. VDR interacts with the corepressor hairless (Hr) to control hair cycling, an action independent of the endocrine VDR ligand, 1,25-dihydroxyvitamin D3. We report novel dietary ligands for VDR including curcumin, γ-tocotrienol, and essential fatty acid derivatives that likely play a role in the bioactions of VDR.

  • 1,25-dihydroxyvitamin D3 hormone
  • bone mineral
  • colon cancer
  • hair cycling
  • phosphorus
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