Synthetic cationic amphiphiles for liposome-mediated DNA transfection

A. Ito, R. Miyazoe, J. Y. Mitoma, T. Akao, T. Osaki, T. Kunitake

Research output: Contribution to journalArticlepeer-review

51 Citations (Scopus)

Abstract

The compounds with efficient DNA transfection ability into eukaryotic cells were searched from various synthetic amphiphiles which have cationic heads and long saturated hydrocarbon tails. The efficiency of amphiphiles in gene transfer was examined by the transient expression of cytochrome b5 from its cDNA in COS cells. Among various synthetic amphiphiles, including N-[1-(2,3-dioleyloxy)propyl]-N,N,N-trimethyl-ammonium chloride which is commercially available lipid, O,O'-didodecyl-N-[p-(2-trimethylammonioethyloxy)benzoyl]-(L)-glutamate bromide was highest in efficiency. The optimum condition for the amount of the amphiphile and DNA, and the incubation time were established to be 7.5-15 μg/22 mm dish and 1-10 μg/22 mm dish, and 48-72 h, respectively.

Original languageEnglish
Pages (from-to)235-241
Number of pages7
JournalBiochemistry International
Volume22
Issue number2
Publication statusPublished - Dec 1 1990

All Science Journal Classification (ASJC) codes

  • Biochemistry

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