IFNG and hepatocellular carcinoma: The results showed that AAH DNA-transfected DC vaccine induced stronger IFN-γ-producing CTL-mediated cytotoxicity against human HCC cell line SMMC-7721 in vitro and exhibited better efficacy in suppressing tumor growth in an ectopic xenograft immunocompromised BALB/c mouse model than non-AAH DNA-transfected DC vaccine.