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. 2020 May 13;69(8):1779–1792. doi: 10.2337/db19-0829

Figure 8.

Figure 8

Knockdown of HIF-1α abolishes MT overexpression, protecting EPCs against HG and hypoxia-induced EPC dysfunction. BM-EPCs from WT and JTMT mice were transfected with the specific siRNA against HIF-1α for 48 h; the Silencer Select Negative Control was used as control siRNA (Ctrl-siRNA). Then the transfected EPCs were exposed to HG (25 mmol/L) and hypoxia for an additional 24 h, the equivalent concentration of mannitol was used as osmotic control (Ctrl). The angiogenic function was evaluated by tube formation assay (A and B). The migration capability was evaluated by TEM assay (C and D). Three independent experiments were performed. Data are mean ± SD. *P < 0.05 vs. Ctrl-siRNA-Ctrl; #P < 0.05 vs. Ctrl-siRNA-HG; $P < 0.05 vs. WT-Ctrl-siRNA-HG.