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EGCG increases expression of the phase II enzymes GST and NQO1. Expression of (A) GST and (B) NQO1 was analyzed in endothelial cells pretreated with 25–50 µM of EGCG for 3 h, followed by treatment with PCB 126 at 0.25 µM for 16 h. Real-time PCR technique was used to measure expressed mRNA levels. Results represent the mean ± SEM, with n=3. Experiments were repeated a minimum of three times. *Significantly different compared to DMSO control.
