PCNA and hepatocellular carcinoma: The IHC staining result indicate that the STAMBPL1 expression had a positive correlation with TRAF2 expression in human HCC specimens (cor = 0.72, P < 0.001), and the STAMBPL1 expression has positive association with proliferative and metastatic related protein (Ki-67, cor = 0.471, P = 0.005; PCNA, cor = 0.452, P = 0.007).