CDK2 and hepatocellular carcinoma: The hepatocellular carcinoma cell lines with high CDK2 expression enriched biological signaling pathways including cell cycle, DNA replication, nucleocytoplasmic transportation and spliceosome, which were enriched in ATC patients with high CDK2 expression from the GSE76039 cohort and the FUSCC cohort as well (Figure 3f–h).