O-2 '-Hydroxypropyltrimethyl ammonium chloride chitosan nanoparticles for the delivery of live Newcastle disease vaccine
文献类型: 外文期刊
第一作者: Dai, Chunxiao
作者: Dai, Chunxiao;Kang, Hong;Rong, Guangyu;Wang, Xiaohua;Wang, Xin;Zhao, Kai;Dai, Chunxiao;Cheng, Guogang;Jin, Zheng;Yang, Wanqiu;Sun, Jinyan;Liu, Chunlong
作者机构:
关键词: Nanoparticles;Chitosan derivatives;Newcastle disease;Mucosal immune delivery system;Sustained release
期刊名称:CARBOHYDRATE POLYMERS ( 影响因子:9.381; 五年影响因子:8.678 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: A novel complex chitosan derivative, O-2'-hydroxypropyltrimethyl ammonium chloride chitosan (O-2'-HACC), was synthesized and used to make nanoparticles as a delivery vehicle for live attenuated Newcastle disease vaccine. We found that O-2'-HACC had high antimicrobial activity, low toxicity, and a high safety level. Newcastle disease virus (NDV) was then encapsulated in the O-2'-HACC nanoparticles (NDV/La Sota-O-2'-HACC-NPs) by the ionic crosslinking method, and the properties of the resulting nanoparticles were determined by transmission electron microscopy, Zeta potential analysis, Fourier transform infrared spectroscopy, proton nuclear magnetic resonance spectroscopy, and X-ray diffraction. NDV/La Sota-O-2'-HACC-NPs had regular spherical morphologies and high stability, with an encapsulation efficiency of 95.68 +/- 2.2% and a loading capacity of 58.75 +/- 4.03%. An in vitro release assay indicated that release of NDV from NDV/La Sota-O-2'-HACC-NPs occurred slowly. Specific pathogen-free chickens immunized with NDV/La Sota-O-2'-HACC-NPs intranasally had much stronger cellular, humoral and mucosal immune responses than did those immunized intramuscularly or with live attenuated Newcastle disease vaccine. NDV/La Sota-O-2'-HACC-NPs are a novel drug delivery carrier with immense potential in medical applications. (C) 2015 Elsevier Ltd. All rights reserved.
分类号: O629`Q53
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