Vitamin D receptor (VDR)-mediated actions of 1α,25(OH)₂vitamin D₃: genomic and non-genomic mechanisms.

  title={Vitamin D receptor (VDR)-mediated actions of 1α,25(OH)₂vitamin D₃: genomic and non-genomic mechanisms.},
  author={Mark R. Haussler and Peter W Jurutka and Mathew T. Mizwicki and Anthony W. Norman},
  journal={Best practice & research. Clinical endocrinology & metabolism},
  volume={25 4},
The conformationally flexible secosteroid, 1α,25(OH)₂vitamin D₃ (1α,25(OH)₂D₃) initiates biological responses via binding to the vitamin D receptor (VDR). The VDR contains two overlapping ligand binding sites, a genomic pocket (VDR-GP) and an alternative pocket (VDR-AP), that respectively bind a bowl-like ligand configuration (gene transcription) or a planar-like ligand shape (rapid responses). When occupied by 1α,25(OH)₂D₃, the VDR-GP interacts with the retinoid X receptor to form a… CONTINUE READING
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Nuclear vitamin D receptor: structure-function, molecular control of gene transcription, and novel bioactions

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Cyclical chromatin looping and transcription factor association on the regulatory regions of the p 21 ( CDKN 1 A ) gene in response to 1 alpha , 25 - dihydroxyvitamin D 3

  • A Saramaki, S Diermeier, R Kellner
  • Journal of Biological Chemistry
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