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Exogenous addition of VEGF significantly enhanced the proliferation (A) and expression of FLT-1, KDR, VE-cadherin, eNOS mRNA in EPCs in a dose-dependent manner. (B). Data are expressed as means ±SE; n=6, *P<0.05 vs. control. **P<0.01 vs. control.1: Control group; 2: VEGF 10 ng/mL group; 3: VEGF 20 ng/mL group 4 VEGF 30 ng/mL group.
