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Chemical hypoxia induces PKR, p-PI3K, p-Akt, and VEGF expression in RF/6A cells in vitro. A: Western blot shows dsRNA-activated protein kinase (PKR), phosphophosphatidylinositol 3-kinase (p-PI3K), phosphoprotein kinase B (p-AKT), and vascular endothelial growth factor (VEGF) expression. B: The histogram shows the densitometric analysis of the average levels of PKR, p-PI3K, p-Akt, and VEGF to GAPDH. *p<0.05 compared with normal controls. n = 3 in each group.
