PIK3C2A and hepatocellular carcinoma: Chai and co-workers detected that expression of VEGF-A was inversely correlated with miR-26a-5p expression in hepatocellular carcinoma and that miR-26a-5p modulated angiogenesis of hepatocellular carcinoma through the PIK3C2α/Akt/HIF-1α/VEGFA pathway21.