Title : Inhibitory effects of polyphenols on human cytochrome P450 3A4 and 2C9 activity.

Pub. Date : 2010 Jan

PMID : 19883715






3 Functional Relationships(s)
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1 Lineweaver-Burk plot analysis indicated that apigenin and its dimer amentoflavone and imperatorin displayed a mixed type of inhibition on CYP3A4 or CYP2C9. amentoflavone cytochrome P450 family 2 subfamily C member 9 Homo sapiens
2 Among the inhibitors, amentoflavone was the most potent inhibitor of CYP3A4 and CYP2C9 activities with IC(50) values of 0.07 and 0.03 microM, respectively. amentoflavone cytochrome P450 family 2 subfamily C member 9 Homo sapiens
3 The K(i) value of amentoflavone was significantly lower than that of the CYP2C9 inhibition positive control sulfaphenazole. amentoflavone cytochrome P450 family 2 subfamily C member 9 Homo sapiens