AKT1 and hepatocellular carcinoma: found that in hepatocellular carcinoma, circCCNB1 acts as a miRNA sponge to competitively adsorb miR‐106b‐5p, promotes the downstream GPM6A expression, inhibits the expression of DYNC1I1 and the AKT/ERK pathway, thereby inhibiting tumor cell proliferation [27].