TITLE

Surface area of lipid membranes regulates the DNA-binding capacity of cationic liposomes

AUTHOR(S)
Marchini, Cristina; Montani, Maura; Amici, Augusto; Pozzi, Daniela; Caminiti, Ruggero; Caracciolo, Giulio
PUB. DATE
January 2009
SOURCE
Applied Physics Letters;1/19/2009, Vol. 94 Issue 3, pN.PAG
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have applied electrophoresis on agarose gels to investigate the DNA-binding capacity of cationic liposomes made of cationic DC-cholesterol and neutral dioleoylphosphatidylethanolamine as a function of membrane charge density and cationic lipid/DNA charge ratio. While each cationic liposome formulation exhibits a distinctive DNA-protection ability, here we show that such a capacity is universally regulated by surface area of lipid membranes available for binding in an aspecific manner. The relevance of DNA protection for gene transfection is also discussed.
ACCESSION #
36339279

 

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