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Functionalization of single- and multi-walled carbon nanotubes with cationic amphiphiles for plasmid DNA complexation and transfection

Richard, Cyrille and Mignet, Nathalie and Largeau, Céline and Escriou, Virginie and Bessodes, Michel and Scherman, Daniel (2009) Functionalization of single- and multi-walled carbon nanotubes with cationic amphiphiles for plasmid DNA complexation and transfection. Nano Research, 2 (8). pp. 638-647.

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Official URL: http://www.springerlink.com/content/2838t861203p31...

Abstract

The possibility of delivering DNA efficiently to cells represents a crucial issue for the treatment of both genetic and acquired diseases. However, even although the efficiency of non-viral transfection systems has improved in the last decade, none have yet proven to be sufficiently effective in vivo. We report herein our results on the functionalization of single-walled carbon nanotubes (SWNT) and multi-walled carbon nanotubes (MWNT) by two cationic amphiphiles (lipid RPR120535 and pyrenyl polyamine), their use for the complexation of plasmid DNA, and their efficiency in transfecting cells in vitro. The experiments have shown that the efficiency of transfection is higher when using SWNT instead of MWNT, and that transfection efficiency is similar or slightly higher when using nanoplexes (SWNT/lipid RPR120535/DNA) instead of lipoplexes (lipid RPR120535/DNA) and several orders of magnitude higher than that of naked DNA. This study therefore shows both that the transfection is better when using SWNTs and that it is dependent on the nature of the amphiphilic molecules adsorbed on the nanotubes.

Item Type:Article
Uncontrolled Keywords:Carbon nanotubes - amphiphile - gene delivery - plasmid DNA - in vitro
Subjects:Biomedical Science > Nanotechnology for human health
Biomedical Science > Nanomedicine
ID Code:6906
Deposited By:Lesley Tobin
Deposited On:14 Aug 2009 12:01
Last Modified:14 Aug 2009 12:01

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