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  • Title: Cationic lipid-mediated transfection in vitro and in vivo (review).
    Author: Audouy S, Hoekstra D.
    Journal: Mol Membr Biol; 2001; 18(2):129-43. PubMed ID: 11463205.
    Abstract:
    Recent rapid developments in genomics will likely lead to a rapid expansion in identifying defective genes causing a variety of diseases, implying a vast increase in the number of therapeutic targets. Treatment of such diseases may include strategies ranging from gene delivery and replacement to antisense approaches. For successful development of gene therapies, a minimal requirement involves the engineering of appropriate gene- or oligonucleotide-carrier systems, which are necessary for protective purposes (against nucleases) and transport (to target tissue and cells in vivo). Further, they should also display the propensity to efficiently translocate the oligonucleotides and gene constructs into cells, via passage across several membrane barriers. The emphasis in this review will be on the use of cationic lipids for that purpose. Crucial to successful application of this sophisticated technology in vivo will be a need for a better understanding of fundamental and structural parameters that govern transfection efficiency, including the issues of cationic lipid/DNA complex assembly (with or without helper lipid), stability towards biological fluids, complex-target membrane interaction and translocation, and gene-integration into the nucleus. Biophysical and biochemical characterization of so-called lipoplexes, and their interaction with cells in vitro, are considered instrumental in reaching such insight. Here, most recent advances in cationic lipid-mediated gene delivery are discussed from such a perspective.
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