論文 - 詳細
| RRC ID | 6473 |
|---|---|
| 著者 | You J, Kamihira M, Iijima S. |
| タイトル | Enhancement of transfection efficiency by protamine in DDAB lipid vesicle-mediated gene transfer. |
| ジャーナル | J Biochem |
| Abstract |
We have previously developed a simple gene transfection procedure mediated by cationic lipid vesicles for animal cells, in which a commercially available cationic surfactant, dimethyldioctadecyl ammonium bromide (DDAB), was used for making lipid vesicles. In the present study, we examined enhancement of transfection efficiency for this method by adding protamine to plasmid DNA solution before the formation of DNA/lipid vesicle complexes. Both free-base protamine and protamine sulfate provided enhanced transfection efficiency and expression level, but the optimal amount of the two protamines was different. The enhancement in transfection efficiency and expression level by protamines was observed in all the cell lines (COS-7, Hela, NIH3T3, MDCK, and BHK-21C13) and all the plasmids (pCMVbeta, pmiwZ, and pCH110) tested. The enhancement in both transfection efficiency and expression level was at most 20-fold compared with that using only DDAB lipid vesicles. Protamines seemed to protect DNA from degradation by DNase and promote DNA delivery into a nucleus. |
| 巻・号 | 125(6) |
| ページ | 1160-7 |
| 公開日 | 1999-6-1 |
| DOI | 10.1093/oxfordjournals.jbchem.a022399 |
| PMID | 10348920 |
| MeSH | 3T3 Cells Animals COS Cells Cell Line Cricetinae DNA, Recombinant / genetics DNA, Recombinant / metabolism Dogs Gene Expression Gene Transfer Techniques HeLa Cells Humans Liposomes Mice Plasmids / genetics Protamines Quaternary Ammonium Compounds Transfection / methods* beta-Galactosidase / genetics |
| IF | 2.476 |
| 引用数 | 30 |
| WOS 分野 | BIOCHEMISTRY & MOLECULAR BIOLOGY |
| オルトメトリクス指標 |
オルトメトリクス指標項目
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| 各媒体での言及数の合計 | 0 |
| リソース情報 | |
| ヒト・動物細胞 | NIH3T3 MDCK(RCB0995) |