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药学学报  2014 

新型sirna阳离子脂质体抑制乙肝病毒hbx基因表达

, PP. 1326-1330

Keywords: 小干扰rna,阳离子脂质体,peg化,基因治疗

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Abstract:

为解决sirna药物应用过程中存在的sirna筛选和体内转运的问题,以乙肝病毒基因hbx为研究对象,通过构建表达目的基因和荧光素酶融合蛋白的双荧光素酶质粒,体外筛选得到有效抑制hbx基因的表达sirna序列的质粒,并将该sirna表达质粒装载于peg化修饰的新型阳离子脂质体中,在细胞和动物水平开展该阳离子脂质体的作用效果研究。结果表明,上述装载sirna质粒的阳离子脂质体能够在细胞和动物水平有效地抑制乙肝病毒hbx基因的表达,解决了sirna应用中序列筛选和体内转运的问题。

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