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      1. Author :
        Zhang, H-Y; Man, J-H; Liang, B; Zhou, T; Wang, C-H; Li, T; Li, H-Y; Li, W-H; Jin, B-F; Zhang, P-J; Zhao, J; Pan, X; He, K; Gong, W-L; Zhang, X-M; Li, A-L
      2. Title :
      3. Type :
        Journal Article
      4. Year :
        2010
      5. Publication :
        Cancer gene therapy
      6. Products :
      7. Volume :
        17
      8. Issue :
        5
      9. Page Numbers :
        N/A
      10. Research Area :
        N/A
      11. Keywords :
        Animals; Apoptosis; B16-F10-luc-G5 cells; Bioware; Blotting, Western; Cell Line, Tumor; Escherichia coli; Female; Flow Cytometry; Gene Therapy; Genetic Vectors; Humans; Immunohistochemistry; Mice; Mice, Inbred BALB C; Mice, Nude; NCI-H460-luc2; Neoplasms; Polymerase Chain Reaction; Survival Rate; TNF-Related Apoptosis-Inducing Ligand
      12. Abstract :
        The tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) is a potent inducer of tumor cell apoptosis, but concerns of considerable liver toxicity limit its uses in human cancer therapy. Here, we show that i.v. injected Escherichia coli DH5alpha (E. coli DH5alpha) specifically replicates in solid tumors and metastases in live animals. E. coli DH5alpha does not enter tumor cells and suits for being the vector for soluble TRAIL (sTRAIL), which induces apoptosis by activating cell-surface death receptors. With the high 'tumor-targeting' nature, we demonstrate that intratumoral (i.t.) and intravenous injection of sTRAIL-expressing E. coli DH5alpha results in the tumor-targeted release of biologically active molecules, which leads to a dramatic reduction in the tumor growth rate and the prolonged survival of tumor-bearing mice. TRAIL delivery by E. coli DH5alpha did not cause any detectable toxicity to any organs, suggesting that E. coli DH5alpha-delivered sTRAIL protein therapy may provide a feasible and effective form of treatment for solid tumors.
      13. URL :
        http://www.ncbi.nlm.nih.gov/pubmed/20075981
      14. Call Number :
        PKI @ catherine.lautenschlager @
      15. Serial :
        8944
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