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Effect of HMQ1611 on VEGF secretion by A549 cells. A549 cells were treated with HMQ1611 for 48 h, then the supernatant was collected and used to quantitate the VEGF secretion. VEGF expression was inhibited in a dose-dependent manner compared with the untreated group. Values are expressed as mean ± SEM (n=3). *P<0.05, **P<0.01 vs. control. All samples were run in triplicate. VEGF, vascular endothelial growth factor.
