Abstract
Corneal neovascularization (CNV) is avision-threatening disease and an increasing public health concern. It was found that administering an Akt inhibitor in the second phase of retinopathy significantly decreased retinal neovascularization. This study investigated the effect of an Akt inhibitor on the angiogenesis of human umbilical vein endothelial cells (HUVECs) and its impacts on the degree of CNV and corneal opacity in arat keratoplasty model. Cell Counting Kit-8 (CCK-8) and 5-ethynyl-2'-deoxyuridine (EdU) assays, tube formation assays, cell scratch experiments, and afully allogeneic corneal transplant model were performed. It was found that an Akt inhibitor inhibited the proliferation, angiogenesis, and migration of HUVECs induced by vascular endothelial growth factor (VEGF). The results showed that both CNV and corneal opacity were decreased in rats after Akt inhibitor administration. The research illustrates the vital role of Akt inhibitors in mediating CNV. The analysis shows that the Akt inhibitor may provide anovel and feasible therapeutic approach to prevent CNV, but its mechanism needs further investigation.
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