Authors: Oh JY, Park MY, Kim DR, Lee JH, Shim SH, Chung JH, Yoon HI, Lee JH, Sung MW, Kim YS, Lee CT
A major obstacle to the success of gene therapy strategies that directly target cancer cells is the low gene transfer rate. To address this problem, we had previously proposed a combination adenoviral gene therapy containing a conditionally replicating adenovirus (CRAD) expressing mutant E1 (Delta24RGD), and a replication-defective E1-deleted adenovirus to enhance the efficiency of gene transfer. Suicide/pro-drug gene therapy has an important additional benefit to the therapy of cancer. This relates to the transfer and expression of non-mammalian genes encoding enzymes that convert non-toxic pro-drugs into cellular toxins. We investigated the interaction between CRAD (Delta24RGD) and a …
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