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VEGF expression was up-regulated by S100A7 cDNA transfection and down-regulated by S100A7 siRNA transfection. A, Western blot analysis of VEGF protein expression in transfected MDA-MB-468 cells. B, VEGF activity assay showing that VEGF was up-regulated by S100A7 cDNA transfection and down-regulated by S100A7 siRNA transfection. Each bar represents mean ± SE (n = 3); *, P <0.05. VEGF, vascular endothelial growth factor.
