RELA and hepatocellular carcinoma: Western blotting (Fig. 1c, d) and immunohistochemistry (Fig. 1e and Supplementary Fig. S1g, h) revealed that NF-κBp65 and phosphorylation of NF-κBp65 (p-p65) were both markedly upregulated in human HBV-related HCC tissues compared to those in normal liver tissues.