AK2 and hepatocellular carcinoma: The association between lactylaiton of metabolism‐related enzymes and hepatitis B virus‐associated hepatocellular carcinoma (HCC) has been confirmed by global lactase profiling and the finding that lactylation of K28 inhibits the function of adenylate kinase 2 (AK2) and promotes the proliferation and metastasis of HCC cells.34