PCSK9 expression was further assessed in various HCC cell lines with different metastatic potentials [HCCLM3 (LM3), 97H, 97L, Hep3B, HepG2, and Huh7] and the HL-7702 immortalized normal liver cell line (Figure 1D–1E). The gene discussed is PCSK9; the disease is hepatocellular carcinoma.