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Updated: Jul 20, 2026
Generation of Cationic Nanoliposomes for the Efficient Delivery of In Vitro Transcribed Messenger RNA
Published on: February 1, 2019
Highly fluorinated lipospermines for gene transfer: synthesis and evaluation of their in vitro transfection
J Gaucheron1, C Santaella, P Vierling
1Laboratoire de Chimie Bio-Organique, UMR 6001 CNRS, Université de Nice Sophia-Antipolis, Faculté des Sciences, 06108 Nice Cédex 2, France.
Abstract:
Fluorinated double-chain lipospermines (one or both of these chains being ended by a highly fluorinated tail of various length) which are close analogues of DOGS (Transfectam) were designed as synthetic vectors for gene delivery. For N/P ratios (N = number of amine functions of the lipid; P = number of DNA phosphates) from 0.8 to 10, these lipospermines condensed DNA, with or without the use of DOPE, to form fluorinated lipoplexes. The efficiency of the fluorinated lipoplexes to transfect lung epithelial A549 cells was significantly higher than that of the DOGS lipoplexes. No specific cell toxicity was evidenced for the fluorinated lipoplexes as compared to that of the DOGS ones. The palette of structural elements explored allowed to determine those required for efficient transfection, highlighting the importance of highly fluorinated chains, the unique properties of unsaturated double-chain lipids and of the use of DOPE as helper lipid on transfection.
