Progress in Cationic Lipid-Mediated Gene Transfection: A Series of Bio- Inspired Lipids as an Example

Author(s): Tristan Montier, Thierry Benvegnu, Paul-Alain Jaffres, Jean-Jacques Yaouanc, Pierre Lehn

Journal Name: Current Gene Therapy

Volume 8 , Issue 5 , 2008

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Over the last several years, various gene delivery systems have been developed for gene therapy applications. Although viral vector-based gene therapy has led to the greatest achievements in animal and human studies, synthetic nonviral vectors have also been developed as they offer several advantages over viral systems, including lower immunogenicity and greater nucleic acid packaging capacity. Nevertheless, the transfection efficiency of the current non-viral gene carriers still needs to be improved, especially as regards direct in vivo transfection. In particular, cationic lipid/nucleic acid complexes (termed lipoplexes) have been the subject of intensive investigation with a view to optimize their performance and to better understand their mechanisms of action, and consequently to design new approaches to overcome the critical barriers of cationic liposome-mediated gene delivery. A possible strategy may rely on considering the membrane constituents and properties of the vast variety of living organisms as a source of inspiration for the design of biocompatible, nontoxic and effective novel artificial liposomal systems. Thus, the present forward-looking review provides an overview of the progress already made during the last years in the field of cationic lipid-mediated gene transfection and also focuses on a series of novel bio-inspired lipids for both in vitro and in vivo gene transfection.

Keywords: Gene transfer, transfection, non-viral vector, bio-inspired lipids, cationic liposomes, lipoplexes, targeting, phosphonolipid, phosphoramide, archaebacteria

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Article Details

Year: 2008
Page: [296 - 312]
Pages: 17
DOI: 10.2174/156652308786070989
Price: $65

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