Journal
ADVANCES IN COLLOID AND INTERFACE SCIENCE
Volume 233, Issue -, Pages 161-175Publisher
ELSEVIER
DOI: 10.1016/j.cis.2015.07.003
Keywords
Gemini or multivalent cationic lipids; Polycations; Cationic polyrotaxanes; DNA; siRNA; Gene therapy
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Funding
- MEC of Spain [CTQ2012-30821]
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Due to the potential use as transfecting agents of nucleic acids (DNA or RNA), multivalent cationic non-viral vectors have received special attention in the last decade. Much effort has been addressed to synthesize more efficient and biocompatible gene vectors able to transport nucleic acids into the cells without provoking an immune response. Among them, the mostly explored to compact and transfect nucleic acids are: (a) gemini and multivalent cationic lipids, mixed with a helper lipid, by forming lipoplexes; and (b) cationic polymers, polycations, and polyrotaxanes, by forming polyplexes. This review is focused on the progress and recent advances experimented in this area, mainly during the present decade, devoting special attention to the lipoplexes and polyplexes, as follows: (a) to its biophysical characterization (mainly electrostatics, structure, size and morphology) using a wide variety of experimental methods; and (b) to its biological activity (transfection efficacy and cytotoxicity) addressed to confirm the optimum formulations and viability of these complexes as very promising gene vectors of nucleic adds in nanomedicine. (C) 2015 Elsevier B.V. All rights reserved.
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