Title : Calcitrol (1alpha,25-dihydroxyvitamin D3) inhibits androgen glucuronidation in prostate cancer cells.

Pub. Date : 2008 Feb

PMID : 18281521






3 Functional Relationships(s)
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1 In the present study, we have analyzed the effects of calcitriol treatment on the expression and activity of the UDP-glucuronosyltransferase (UGT) 2B15 and 2B17 in prostate cancer LNCaP and 22Rv1 cells. Calcitriol UDP glucuronosyltransferase family 2 member B15 Homo sapiens
2 By contrast, transient transfection and site-directed mutagenesis experiments revealed that calcitriol down-regulates UGT2B15 promoter activity through a responsive region between positions -171 and -113 bp. Calcitriol UDP glucuronosyltransferase family 2 member B15 Homo sapiens
3 In conclusion, the present study identifies the vitamin D receptor activator calcitriol as a negative regulator of the UGT2B15- and UGT2B17-dependent inactivation of androgens in prostate cancer LNCaP cells. Calcitriol UDP glucuronosyltransferase family 2 member B15 Homo sapiens