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PGMA-based gene carriers with lipid molecules. | LitMetric

PGMA-based gene carriers with lipid molecules.

Biomater Sci

State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology (BUCT), Beijing 100029, China.

Published: August 2016

Lipids, as the greatest constituent in cell membranes, have been widely used for biomedical applications because of their excellent biological properties. The introduction of membrane lipid molecules into gene vectors would embody greater biocompatibility, cellular uptake and transfection efficiency. In this work, one flexible strategy for readily conjugating lipid molecules with polycations was proposed based on atom transfer radical polymerization to produce a series of cholesterol (CHO)- and phosphatidylinositol (PI)-terminated ethanolamine-functionalized poly(glycidyl methacrylate)s, namely CHO-PGEAs and PI-PGEAs, as effective gene carriers. CHO-PGEAs and PI-PGEAs truly demonstrated much better transfection performances compared to linear ethanolamine-functionalized poly(glycidyl methacrylate) (denoted as BUCT-PGEA) counterparts and traditional standard branched polythylenimine (PEI, 25 kDa). In addition, the good antitumor effects of CHO-PGEA and PI-PGEA were confirmed with suppressor tumor gene p53 systems in vitro and in vivo. The present work could provide a new strategy to develop effective cationic conjugation of lipid molecules for gene therapy.

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Source
http://dx.doi.org/10.1039/c6bm00360eDOI Listing

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