HDAC4 and hepatocellular carcinoma: Results indicated that NCOR2, APH1B, ELF3, HDAC4, MYC, and TLE2 exhibited higher expressions, FZD5, GZMB, HEY2, PSMA2, PSMA3, PSMA4, PSDM1, and SKP2 exhibited lower expressions in HCC patients (Figure 9A).