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构建溶瘤腺病毒的策略

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摘要 溶瘤腺病毒是通过遗传工程改造的腺病毒,具有溶细胞复制周期的特性和特异靶向肿瘤细胞和裂解肿瘤细胞的功能。溶瘤腺病毒通过复制、释放子代病毒感染邻近肿瘤细胞。现在对腺病毒生活周期的认识水平,可以对其基因组进行改造从而使其特异性裂解肿瘤细胞而不杀伤正常细胞,并且构建了多种溶瘤腺病毒。本文主要概述了溶瘤腺病毒的三种构建策略:剔除腺病毒在正常细胞中复制所必需而在肿瘤细胞中不需要的某些基因;利用肿瘤特异性启动子控制病毒复制所必需的基因;对腺病毒衣壳蛋白进行基因修饰,达到特异性结合肿瘤细胞的目的。
出处 《微生物学免疫学进展》 2007年第1期59-63,共5页 Progress In Microbiology and Immunology
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