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Recent evidence demonstrates that PEG10 plays an essential role in hepatocarcinogenesis and development, thus it could be regarded as a therapeutical target for hepatocellular carcinoma (HCC). In addition, transduction with recombinant, replication-defective adenoviral (Ad) vectors encoding tumor associated antigen into dendritic cells (DCs) is an efficient strategy to elicit antigen specific cytotoxic T lymphocytes (CTLs) for cancer therapy. In the present study, DCs were transduced with the PEG10 recombinant adenovirus, and were utilized to elicit CTLs in vitro. Moreover, the Trimera mice were immunized with the transduced DCs to elicit the immune response, the tumor growth and the life span of tumor bearing mice were observed. The results demonstrated that the transduced DCs could effectively induce specific CTL response against HCC without lysing autologous lymphocytes, but also significantly inhibit …