期刊
GENE THERAPY
卷 18, 期 2, 页码 117-127出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/gt.2010.138
关键词
inherited diseases; physiological; targeting; tissue-specific expression; safety; vectors
类别
资金
- Fundacion Martin Escudero
- [PS09/00340]
After more than 1500 gene therapy clinical trials in the past two decades, the overall conclusion is that for gene therapy (GT) to be successful, the vector systems must still be improved in terms of delivery, expression and safety. The recent development of more efficient and stable vector systems has created great expectations for the future of GT. Impressive results were obtained in three primary immunodeficiencies and other inherited diseases such as congenital blindness, adrenoleukodystrophy or junctional epidermolysis bullosa. However, the development of leukemia in five children included in the GT clinical trials for X-linked severe combined immunodeficiency and the silencing of the therapeutic gene in the chronic granulomatous disease clearly showed the importance of improving safety and efficiency. In this review, we focus on the main strategies available to achieve physiological or tissue-specific expression of therapeutic transgenes and discuss the importance of controlling transgene expression to improve safety. We propose that tissue-specific and/or physiological viral vectors offer the best balance between efficiency and safety and will be the tools of choice for future clinical trials in GT of inherited diseases. Gene Therapy (2011) 18, 117-127; doi:10.1038/gt.2010.138; published online 21 October 2010
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