The Proton Sponge: a Trick to Enter Cells the Viruses Did Not Exploit
Several non-permanent polycations possessing substantial buffering capacity below physiological pH, such as lipopolyamines and polyethylenimines, are efficient transfection agents per se, i.e. without the addition of lysosomotropic bases, or cell targeting, or membrane disruption
agents. These vectors have been shown to deliver genes as well as oligonucleotides both in vitro and in vivo. Our hypothesis is that their efficiency relies on extensive endosome swelling and rupture that provides an escape mechanism for the polycation/DNA particles.
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Document Type: Research Article
Publication date: 1997-01-01
International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions
CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.- Editorial Board
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