Title : Identification of human cytochrome P450 isozymes responsible for the in vitro oxidative metabolism of finasteride.

Pub. Date : 1995 Oct

PMID : 8654202






5 Functional Relationships(s)
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1 Gestodene, a mechanism-based inhibitor of CYP3A isozymes, showed a concentration-dependent inhibition of the oxidative metabolism of [14C]finasteride. Finasteride cytochrome P450 family 3 subfamily A member 4 Homo sapiens
2 Inhibitors of CYP3A isozymes inhibited the oxidation of omega-aldehyde finasteride in a concentration-dependent manner; an increase in the reduction was also observed, presumably caused by inhibition of the competitive oxidative reaction. Finasteride cytochrome P450 family 3 subfamily A member 4 Homo sapiens
3 Consistent with these results, only microsomes containing human recombinant CYP3A4 catalyzed the oxidation of omega-aldehyde finasteride to omega-oic acid finasteride. Finasteride cytochrome P450 family 3 subfamily A member 4 Homo sapiens
4 Consistent with these results, only microsomes containing human recombinant CYP3A4 catalyzed the oxidation of omega-aldehyde finasteride to omega-oic acid finasteride. Finasteride cytochrome P450 family 3 subfamily A member 4 Homo sapiens
5 These results indicate that the oxidation of omega-aldehyde finasteride was NADPH-dependent and was mediated at least in part by CYP3A4. Finasteride cytochrome P450 family 3 subfamily A member 4 Homo sapiens