Title : Inhibition of poly(adenosine diphosphate-ribose) polymerase by the active form of vitamin D.

Pub. Date : 2007 Jun

PMID : 17487428






4 Functional Relationships(s)
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1 Here we present data demonstrating that the active metabolite of vitamin D, 1alpha,25-dihydroxy-vitamin D3, is a PARP inhibitor. Calcitriol poly(ADP-ribose) polymerase 1 Homo sapiens
2 UV irradiation-mediated PARP activation in human keratinocytes can be inhibited by treatment with vitamin D, 7-dehydrocholesterol or 1alpha,25-dihydroxyvitamin D3. Calcitriol poly(ADP-ribose) polymerase 1 Homo sapiens
3 Inhibition of cytochrome P450 reversed the PARP inhibitory action of vitamin D and 7-dehydrocholesterol, indicating that conversion to 1alpha,25-dihydroxyvitamin D3 mediates their PARP inhibitory action. Calcitriol poly(ADP-ribose) polymerase 1 Homo sapiens
4 Inhibition of cytochrome P450 reversed the PARP inhibitory action of vitamin D and 7-dehydrocholesterol, indicating that conversion to 1alpha,25-dihydroxyvitamin D3 mediates their PARP inhibitory action. Calcitriol poly(ADP-ribose) polymerase 1 Homo sapiens