To verify the differential expression of DDX42 in HCC cells, WB and qRT‐PCR were performed on a panel of cell lines, including Hep3B, PLC5, Huh7, HepG2, LM3, Hep1 and normal hepatocytes THLE2 and THLE3 (Figure 5B,C). This evidence concerns the gene DDX42 and hepatocellular carcinoma.