Seven human hepatoma cell lines were selected to measure the expression levels of CEBPA-DT by RT-qPCR, the results exhibited that the CEBPA-DT expression levels were higher in HCCLM9, SNU-449 and SK-Hep1 than that in Huh7, Hep3B and PLC/PRF/5 (Figure S2A). The gene discussed is CEBPA; the disease is hepatocellular carcinoma.