ARL2 and hepatocellular carcinoma: When Huh7-H and MHCC97-H cells were heat treated in vitro as a model of insufficient radiofrequency ablation (RFA) in HCC tumors, GAS6-AS2 acted as a ceRNA by sponging miR-3619-5p and regulating ARL2 (ADP ribosylation factor-like GTPase 2) [83].