cancergenetics2 - Cancer Gene Therapy by Thyroid...

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Cancer Gene Therapy by Thyroid Hormone-mediated Expression of Toxin Genes Many of the strategies developed in the last few years to treat cancer by gene therapy are based on putative killer-suicide genes whose products convert a prodrug into a toxic compound. When the therapy is applied to humans, a vector carrying the killer gene is first inoculated into the tumor of the patient, who 1 week later receives the corresponding prodrug that will selectively kill the cells able to process it to its toxic derivative. A strategy that obviates the need for a prodrug to destroy the cancer cells would be preferable because the patient would only need one treatment instead of two consecutive ones. In the following study, we describe the construction of retroviral vectors in which a reporter or a toxin gene (either the Pseudomonas exotoxin or the Ricinus communis toxin, ricin) is placed under the control of the thyroid hormone (T3) regulatable promoter of the rat myelin basic protein (MBPp). We demonstrate that the
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  • Summer '17
  • gene transfer

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