Cationic liposome can interfere mRNA translation in an E. coli cell-free translation system

Huong Thi Bui, Hiroshi Umakoshi, Keishi Suga, Tomoyuki Tanabe, Kien Xuan Ngo, Toshinori Shimanouchi, Ryoichi Kuboi

研究成果: Article査読

12 被引用数 (Scopus)

抄録

The effect of cationic liposome prepared from 1,2-dioleoyl-3-trimethyl- ammonium-propane (DOTAP) on the gene expression at the mRNA translation level was investigated using an E. coli cell-free translation system. DOTAP liposome at 3 mM inhibited the mRNA translation of green fluorescent protein (GFP), as indicated both by the fluorescence intensity of GFP and by SDS-PAGE analysis. The role of DOTAP liposome on the inhibition of mRNA translation was revealed that the cationic quaternary amine groups on the liposome surface can interact and neutralize the anionic phosphate groups on mRNA by an electrostatic interaction. mRNA molecules still existed without any degradation in the presence of DOTAP liposome although it could not be translated. These results clearly illustrated that the DOTAP liposome could knock down mRNA and silence its activity of translation in an E. coli cell-free system.

本文言語English
ページ(範囲)38-43
ページ数6
ジャーナルBiochemical Engineering Journal
52
1
DOI
出版ステータスPublished - 2010 10
外部発表はい

ASJC Scopus subject areas

  • バイオテクノロジー
  • バイオエンジニアリング
  • 環境工学
  • 生体医工学

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