Journal
CHINESE CHEMICAL LETTERS
Volume 32, Issue 6, Pages 1902-1906Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2021.01.032
Keywords
Enzyme-responsive; Cyclodextrin; Hyaluronic acid; Gene delivery; Supramolecular chemistry
Categories
Funding
- Programs of Higher-level Talents of Inner Mongolia Agricultural University [NDGCC2016-21]
- Program for Young Talents of Science and Technology in Universities of Inner Mongolia Autonomous Region [NJYT-19-B26]
- Grassland Talents of Inner Mongolia Autonomous Region [DC2000000745]
- Inner Mongolia Autonomous Region Natural Science Fund Project [2017BS0206]
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An enzyme-responsive polysaccharide supramolecular targeted nanoassembly was successfully constructed for controlled gene delivery, with lower cytotoxicity and similar gene delivery effect compared to commercial transfection reagents.
An enzyme-responsive polysaccharide supramolecular targeted nanoassembly was successfully constructed by the host-guest complexation of positively charged mono-(6-(tetraethylenepentamine)-6-deoxy)-beta-cyclodextrin (TEPA-CD) with adamantane-grafted hyaluronic acid (HA-ADA). Possessing a series of positively charged polyamine chains, the obtained polysaccharide nanoassembly could serve as a biocompatible plasmid DNA (pDNA) container. More interestingly, the pDNA could be released from the nanoassembly through the enzymatic degradation of HA skeleton, which realized the controlled pDNA binding and release. Besides, the polysaccharide nanoassembly exhibited lower cytotoxicity than the commercial transfection reagents 25 kDa bPEI (PEI25k), accompanied by similar gene delivery effect. We believe that this work might present a convenient method for targeted, controlled gene delivery. (C) 2021 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.
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