Figure 6. The downregulation of circFASTKD1 benefits vascular endothelial cells under hypoxic conditions. (I) Photographs from the tube formation, cell migration and wound healing assays in HCMECs with different treatments under hypoxic conditions. (J–L) Quantitative analyses of the tube formation (J), cell migration (K) and wound healing (L) assays in HCMECs under hypoxic conditions.