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Novel Poly(Ester Amine) Based on Polycaprolactone and Polyethylenimine as a Gene Carrier: Effect of Hydrophobicity on Transfection Efficiency and Cytotoxicity

✍ Scribed by Arote, Rohidas B.; Kim, Tae Hee; Kim, You Kyoung; Jere, Dhananjay; Jiang, Hu Lin; Park, In Young; Cho, Myung Haing; Nah, Jae Woon; Cho, Chong Su


Book ID
120993076
Publisher
Trans Tech Publications, Ltd.
Year
2007
Tongue
English
Weight
260 KB
Volume
342-343
Category
Article
ISSN
1662-9795

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The aim of research was to develop and optimize delivery systems for plasmid DNA (pDNA) based on biodegradable polymers, in particular, poly(ester amine)s (PEAs), suitable for non-viral gene therapy. Poly(ester amine)s were successfully synthesized by Michael addition reaction between polycaprolacto

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## Abstract ## Background Polyethylenimine (PEI) vectors are widely used in gene delivery because of their high transfection efficiency owing to a unique proton sponge effect. An increase in molecular weight increases transfection efficiency, but simultaneously results in increased toxicity. There

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## Abstract Polyethylenimine (PEI) is a well‐known cationic polymer which has high transfection efficiency due to its buffering effect. However, nondegradability, cytotoxicity, aggregation, and short‐circulation time __in vivo__ still need to be overcome for a successful gene delivery. Degradable,