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Anti-Tumor Effects of Local Injection With Oncolysate Transfected by Recombinant Vaccinia Viruses Encoding Human IL-2
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Abstract:
In this experiment, the murine melanoma cell B16-F10 oncolysates transfected by recombinant vaccinia viruses encoding human IL-2(IL-2VBO) were used as vaccine. When the tumor-bearing mice were treated by following injection of IL-2VBO into tumor site, the tumor growth was inhibited and the survival time prolonged. The PBL from IL-2VBO treated mice showed higher cytotoxicity to the wild type B16-F10 but not to YAC-1 cells than that from control groups. The results showed the active specific immunity was induced by the IL-2VBO. On accout of its stronger immuogenicity and some advantages in preparing and storing, the IL-2VBO might be used as a kind of effective vaccine in the cancer active specific immunotherapy.
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