Table 1

The effect of flavonoids on CYP1A1 mRNA levels in HepG2 cells

TreatmentHepG2 CYP1A1 mRNA1-a
%
TCDD100
50 μM β-napthoflavone50
100 μM β-napthoflavone53
Resveratrol12
GTE10
Apigenin1
Naringenin0
TCDD + resveratrol86
TCDD +apigenin43
TCDD + naringenin30

Each value represents the mean of two separate determinations that differed by <10%.

  • 1-a  CYP1A1 mRNA levels were normalized to TCDD induction (100% increase in CYP1A1 mRNA).