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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >GENERATION OF TARGETED RETROVIRAL VECTORS BY USING SINGLE-CHAIN VARIABLE FRAGMENT - AN APPROACH TO IN VIVO GENE DELIVERY
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GENERATION OF TARGETED RETROVIRAL VECTORS BY USING SINGLE-CHAIN VARIABLE FRAGMENT - AN APPROACH TO IN VIVO GENE DELIVERY

机译:通过单链可变片段生成靶向的逆转录病毒载体-体内基因传递的一种方法

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摘要

We report the generation of a retroviral vector that infects human cells specifically through recognition of the low density lipoprotein receptor. The rationale for this targeted infection is to add onto the ecotropic envelope protein of Moloney murine leukemia virus, normally trophic for murine cells, a single-chain variable fragment derived from a monoclonal antibody recognizing the human low density lipoprotein receptor. This chimeric envelope protein was used to construct a packaging cell fine producing a retroviral vector capable of high-efficiency transfer of the Escherichia coli beta-galactosidase gene to human cells expressing low density lipoprotein receptor. This approach offers a generalized plan to generate cell and tissue-specific retroviral vectors, an essential step toward in vivo gene therapy strategies. [References: 22]
机译:我们报道了通过识别低密度脂蛋白受体特异性感染人类细胞的逆转录病毒载体的产生。这种靶向感染的基本原理是在通常对鼠类细胞有营养的莫洛尼鼠白血病病毒的嗜热性包膜蛋白上添加一个衍生自识别人低密度脂蛋白受体的单克隆抗体的单链可变片段。该嵌合包膜蛋白用于构建包装细胞细粉,该包装细粉产生能够将大肠杆菌β-半乳糖苷酶基因高效转移至表达低密度脂蛋白受体的人细胞的逆转录病毒载体。该方法提供了产生细胞和组织特异性逆转录病毒载体的通用计划,这是迈向体内基因治疗策略的重要步骤。 [参考:22]

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