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Multi-component DNA delivery system targeted for hepatocyte-AsOR-PL/PEG-PEI

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Author:: No author available

Journal Title:: WORLD CHINESE JOURNAL OF DIGESTOLOGY

Issue:: 3

DOI:: 10.3969/j.issn.1009-3079.2002.03.012

Key Word:: No keyword available

Abstract：目的:研制含有靶向配基、DNA聚合亚基、溶酶体活性成分及聚乙二醇等多种组分的肝靶向的DNA给药系统.方法:分别制备As0R-PL偶合物及PEG-PEI偶合物.然后按照不同的比例先后与报告基因DNA形成复合物,再进行Huh-7细胞的体外转染试验和静脉给药后小鼠体内的表达试验.结果:AsOR-Pt/PFG,-PEt/DNA复合物对受体阳性的Huh-7细胞具有较高的转染效率;小鼠尾静脉给药后能够在肝脏特异性表达.结论:含有靶向配基、DNA聚合亚基、溶酶体活性成分及聚乙二醇等多种组分的载体系统能将DNA选择性的投放于小鼠肝脏,显示了较好的应用前景.

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