Title : Role of a potent inhibitory monoclonal antibody to cytochrome P-450 3A4 in assessment of human drug metabolism.

Pub. Date : 1999 Nov

PMID : 10525096






2 Functional Relationships(s)
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1 One and 5 microl (0.5 and 2.5 microM IgG(2a)) of the mAb mouse ascites in 1-ml incubation containing 20 pmol of CYP3A4 strongly inhibited the testosterone 6beta-hydroxylation by 95 and 99%, respectively, and, to a lesser extent, cross-inhibited CYP3A5 and CYP3A7 activity. testosterone 6beta cytochrome P450 family 3 subfamily A member 4 Homo sapiens
2 The results showed that CYP3A4 and CYP3A5 contribute >95% to both testosterone 6beta-hydroxylation and diazepam 3-hydroxylation and 52 to 73% to diazepam N-demethylation, respectively. testosterone 6beta cytochrome P450 family 3 subfamily A member 4 Homo sapiens