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Role of HIF-1α in VEGF expression in Bcl-2-DPSCs under hypoxia. (A) Expression of protein levels of VEGF and HIF-1α in GFP-DPSCs and Bcl-2-DPSCs under normoxia (N), hypoxia (H), and YC-1 treatment as shown by western blotting. (B) Relative mRNA expression levels of VEGF in GFP-DPSCs and Bcl-2-DPSCs under normoxia (N), hypoxia (H), and YC-1 treatment as shown by qRT-PCR assay. β-actin – endogenous control * p < 0.05, ** p < 0.01 *** p < 0.001 versus the corresponding controls.
