PPM1G and hepatocellular carcinoma: We found that eight genes, EZH2, GRPEL2, PIGU, PPM1G, SF3B4, TUBG1, TXNRD1, and NDRG1, were expressed differently between HCC and adjacent non-HCC (Supplementary Table 5, Supplementary Figures 2, 3 and Figure 5A).