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Issue:
PEGylated-polyethylenimine as the Carrier of Non-viral Gene Delivery System
Author(s):
CAI Jia
,
CHEN Jun
,
HUANG Ping
,
SHEN Yun-Fan
,
JIANG Xin-Guo
Pages:
737
-
741
Year:
2006
Issue:
11
Journal:
CHINESE JOURNAL OF PHARMACEUTICALS
Keyword:
聚乙烯亚胺
;
聚乙二醇修饰
;
非病毒载体
;
Abstract:
采用不同比例的单甲氧基聚乙二醇-琥珀酰亚胺基丙酸盐(mPEG-SPA)对支链聚乙烯亚胺(PEI)进行修饰,考察了不同接枝率的mPEG-PEI与DNA复合物的粒径、ζ电位、包封率,及其对A549细胞的转染效率和细胞毒性.体外转染试验表明,低PEG接枝率的PEI转染效果与PEI相当,且细胞毒性大大降低.
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