Abstract
The most outstanding progress in molecular biology during the twentieth century led from the understanding of the genetic code, to the development of DNA technology, which led ultimately to gene therapy. These advances raised hopes that cancer could be cured using such an approach. The area of cancer gene therapy is vast and targets both malignant and nonmalignant cells for therapeutic gain. Gene therapy that targets malignant cells embraces a large spectrum of methods including the insertion of tumor suppressor genes (TSGs), cytokine genes, toxin genes, and prodrug-activating genes. This chapter deals with the latter, also termed suicide gene therapy. Basically, this approach uses DNA technology to transduce in cancer cells a gene able to activate a nontoxic prodrug into a cytotoxic drug able to kill the cancer cell population. This area of research is considered one of the most popular because this technique is represented by 52 clinical protocols (10.4%) including a total of 567 patients (16.5%) in 2001; some protocols are reported as combination suicide gene therapy (83 protocols).
Keywords
Gene Therapy Adenoviral Vector Bystander Effect Cancer Gene Therapy Purine Nucleoside PhosphorylasePreview
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References
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