Title : The use of a high-volume screening procedure to assess the effects of dietary flavonoids on human cyp1a1 expression.

Pub. Date : 2001 Aug

PMID : 11454723






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1 The use of a high-volume screening procedure to assess the effects of dietary flavonoids on human cyp1a1 expression. Flavonoids cytochrome P450 family 1 subfamily A member 1 Homo sapiens
2 We examined the effects of several agents, including dietary flavonoids, on CYP1A1 expression utilizing a recently developed high-throughput screening system for assessing human cytochrome P450 (CYP) induction. Flavonoids cytochrome P450 family 1 subfamily A member 1 Homo sapiens
3 Of these flavonoids, resveratrol produced the greatest increase in CYP1A1-mediated luciferase activity (10-fold), whereas GTE, apigenin, curcumin, and kaempferol produced 2- to 3-fold increases in activity. Flavonoids cytochrome P450 family 1 subfamily A member 1 Homo sapiens
4 Cotreatment of cells with TCDD and GTE, naringenin, and apigenin resulted in 58, 77, and 74% reductions, respectively, in TCDD-mediated CYP1A1 induction, indicating that these flavonoids exhibit potential antagonist activity toward the aryl hydrocarbon (Ah) receptor. Flavonoids cytochrome P450 family 1 subfamily A member 1 Homo sapiens