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  • Title: Adenovirus-mediated delivery of human IFNgamma gene inhibits prostate cancer growth.
    Author: Zhao P, Zhu YH, Wu JX, Liu RY, Zhu XY, Xiao X, Li HL, Huang BJ, Xie FJ, Chen JM, Ke ML, Huang W.
    Journal: Life Sci; 2007 Aug 09; 81(9):695-701. PubMed ID: 17714738.
    Abstract:
    Interferon gamma (IFNgamma) is regarded as a potent antitumor agent, but therapy with IFNgamma is hampered by its short half-life and significant side effects. We developed a replication defective adenovirus carrying the human IFNgamma gene and evaluated the effects of adenovirus-mediated IFNgamma (Ad-IFNgamma) gene transfer on human prostate cancer cell lines in vitro and on xenografts in vivo. Our results showed infection of prostate cancer cells with Ad-IFNgamma led to production of an active cytokine and resulted in an antiproliferative effect on the prostate cancer cells. Intratumoral injection of Ad-IFNgamma significantly inhibited the growth of DU-145 cell xenografts in vivo, while no significant toxicity effect was observed. RT-PCR analysis indicated transgene expression mainly enriched in tumors in vivo, and slightly distributed in livers. These findings suggest adenovirus-mediated IFNgamma gene transfer is a promising approach in the treatment of advanced prostate cancer.
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