RRM2 and hepatocellular carcinoma: We found that CDK1, PRC1, NEK2, DTL, ANLN, PBK, RACGAP1, CDKN3, ECT2, HMMR, CCNB1, RRM2, BUB1B, TOP2A, and ASPM had a significantly worse survival rate and high expression in the HCC samples.