POP1 and hepatocellular carcinoma: In survival analysis, lower expression of 24 hub genes (BOP1, TIGD5, C8orf76, C8orf33, FAM83H, UBR5, NSMCE2, DCAF13, PYCRL, NUDCD1, INTS8, ZNF623, TOP1MT, STIP1, HSP90AB1, PRR7, COMMD5, DSCC1, POP1, ARHGAP39, PRKDC, YDJC, PUSL1, STAU2) was associated with significantly longer OS of HCC patients.