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Decreased VEGF secretion (A) and inhibition of of VEGF mRNA expression (B) in tumor cells. SGC-7901 cells were treated with various concentrations of EGCG for 24 h and VEGF protein level in the supernatant was measured by ELISA and mRNA expression in tumor cells was examined by RT-PCR. Data are presented as mean ± SE (n = 3, aP < 0.05, bP < 0.01).
