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Plasmid Engineering for Controlled and Sustained Gene Expression for Nonviral Gene Therapy

机译:用于非病毒基因治疗的受控和持续基因表达的质粒工程

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摘要

Gene therapy requires the introduction of genetic material in diseased cells with the aim of treating or ultimately curing a disease. Since the start of gene therapy clinical trials in 1990, gene therapy has proven to be possible, but studies to date have highlighted the difficulty of achieving efficient, specific, and long-term transgene expression. Efforts to improve gene therapy strategies over the past years were mainly aimed at solving the problem of delivery, without paying much attention to the optimization of the expression cassette. With the current understanding of the eukaryotic transcription machinery and advanced molecular biology techniques at our disposition, it has now become possible to create custom-made transgene expression cassettes optimized for gene therapy applications. In this review, we will discuss several strategies that have been explored to improve the level and duration of transgene expression, to increase control over expression, or to restrict transgene expression to specific cell types or tissues. Although still in its infancy, such strategies will eventually lead to improvement of nonviral gene therapy and expansion of the range of possible therapeutic applications.
机译:基因治疗需要在患病细胞中引入遗传物质,目的是治疗或最终治愈疾病。自1990年开始基因治疗临床试验以来,基因治疗已被证明是可行的,但是迄今为止的研究都强调了实现有效,特异性和长期转基因表达的困难。在过去的几年中,改善基因治疗策略的努力主要是为了解决传递问题,而没有过多地关注表达盒的优化。基于我们对真核转录机制和先进分子生物学技术的当前了解,现在已经可以创建为基因治疗应用优化的定制转基因表达盒。在这篇综述中,我们将讨论已探索的几种策略,这些策略可改善转基因表达的水平和持续时间,增加对表达的控制或将转基因表达限制在特定的细胞类型或组织中。尽管仍处于起步阶段,但这种策略最终将导致非病毒基因治疗的改善和可能的治疗应用范围的扩大。

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