Figure 2. Prolyl hydroxylase domain 2 (PHD2), Hypoxia inducible factor 1 (HIF-1α), Vascular Endothelial Growth Factor (VEGFa) gene expression at 48h after treatment in vitro.

siRNA, small interfering RNA. Symbols (*,†,‡) indicate significant difference (at .05 level) by Tukey multiple comparison procedure. * vs. †, * vs. ‡ , † vs. ‡, p≤0.05. There is no significant difference between groups labeled with same symbol.