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Cationic lipophosphoramidates with two different lipid chains: synthesis and evaluation as gene carriers

Abstract : Cationic lipids constitute a family of synthetic vectors commonly used for nucleic acids delivery. We herein report the results of a systematic study that aimed to compare the transfection efficacies of cationic lipophosphoramidates possessing either two identical lipid chains (termed symmetric cationic lipids) or two different lipid chains (non-symmetric cationic lipids). In addition, we also compared the transfection results of such a ‘molecular approach’ (the two different lipid chains being included in the same molecule) with those of a ‘supramolecular approach’ in which two types of symmetrical cationic lipids were mixed in one liposomal formulation. Thus, the present work allowed us first to optimize the methods used to synthesize non-symmetric cationic lipophosphoramidates. In addition, we could also identify two non-symmetric cationic lipids exhibiting high transfection efficiencies with a series of mammalian cell lines, both vectors being characterized by a single phytanyl chain and either an oleyl or a lauryl lipid chain.
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Submitted on : Thursday, June 1, 2017 - 11:09:12 AM
Last modification on : Thursday, November 29, 2018 - 4:09:12 PM

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Stéphanie Le Corre, Mathieu Berchel, Nawal Belmadi, Caroline Denis, Pierre Haelters, et al.. Cationic lipophosphoramidates with two different lipid chains: synthesis and evaluation as gene carriers. Organic and Biomolecular Chemistry, Royal Society of Chemistry, 2013, 12 (9), ⟨10.1039/C3OB42270D⟩. ⟨hal-01531060⟩

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