期刊
JOURNAL OF CONTROLLED RELEASE
卷 117, 期 1, 页码 130-136出版社
ELSEVIER
DOI: 10.1016/j.jconrel.2006.09.008
关键词
liposomes; gene delivery; ultrasound; cavitation; non-viral vector
Microbubbles and ultrasound have recently been investigated with a view to improving the transfection efficiency of non-viral gene delivery systems. However, microbubbles are unstable and their targeting ability is insufficient for clinical use. To circumvent these problems, we developed novel polyethyleneglycol (PEG) modified liposomes (Bubble liposomes) containing perfluoropropane, which is an ultrasound imaging gas. Here, we used ultrasound to induce cavitation in Bubble liposomes and then investigated their ability to deliver genes in vitro and in vivo. Bubble liposomes could deliver plasmid DNA to many cell types without cytotoxicity. Additionally, in vivo gene delivery, Bubble liposomes were more effective delivery into femoral artery than lipofection method. Thus, Bubble liposomes might be efficient and novel non-viral tools for gene delivery. (c) 2006 Elsevier B.V All rights reserved.
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