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Merck

Cationic lipids activate intracellular signaling pathways.

Advanced drug delivery reviews (2012-05-29)
Caroline Lonez, Michel Vandenbranden, Jean-Marie Ruysschaert
ABSTRACT

Cationic liposomes are commonly used as a transfection reagent for DNA, RNA or proteins and as a co-adjuvant of antigens for vaccination trials. A high density of positive charges close to cell surface is likely to be recognized as a signal of danger by cells or contribute to trigger cascades that are classically activated by endogenous cationic compounds. The present review provides evidence that cationic liposomes activate several cellular pathways like pro-apoptotic and pro-inflammatory cascades. An improved knowledge of the relationship between the cationic lipid properties (nature of the lipid hydrophilic moieties, hydrocarbon tail, mode of organization) and the activation of these pathways opens the way to the use and design of cationic tailored for a specific application (e.g. for gene transport or as adjuvants).

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Avanti
18:0 EPC (Cl Salt), Avanti Research - A Croda Brand 890703C
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Avanti
18:0 EPC (Cl Salt), Avanti Research - A Croda Brand 890703P, powder
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