Title : Differential selectivity of cytochrome P450 inhibitors against probe substrates in human and rat liver microsomes.

Pub. Date : 1998 Feb

PMID : 9491822






1 Functional Relationships(s)
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1 RESULTS: Furafylline was a potent, selective inhibitor of phenacetin O-deethylation (CYP1A2-mediated) in human liver microsomes (IC50 = 0.48 microM), but inhibited both phenacetin O-deethylation and tolbutamide 4-hydroxylation (CYP2C9-mediated) at equimolar concentrations in rat liver microsomes (IC50 = 20.8 and 24.0 microM respectively). Phenacetin cytochrome P450 family 1 subfamily A member 2 Homo sapiens