CDH2 and hepatocellular carcinoma: We found that, compared with the non‐transformed human fetal hepatocyte cell line LO2, the HCC cell line HepG2 showed lower expression of epithelial marker E‐cadherin (E‐cad) and higher expression of mesenchymal marker N‐cadherin (N‐cad; Fig. S1A,B and Fig. 1C, upper panel).