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Ternary complexes of pDNA, polyethylenimine, and gamma-polyglutamic acid for gene delivery systems.
http://hdl.handle.net/10069/21365
http://hdl.handle.net/10069/213652cc595f3-3257-4b78-8483-4255747fd225
名前 / ファイル | ライセンス | アクション |
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Biomaterials30_2846.pdf (1.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-04-01 | |||||
タイトル | ||||||
タイトル | Ternary complexes of pDNA, polyethylenimine, and gamma-polyglutamic acid for gene delivery systems. | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | γ-Polyglutamic acid | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Gene transfer | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Self assembly | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Nano particle | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Surface modification | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | DNA | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Kurosaki, Tomoaki
× Kurosaki, Tomoaki× Kitahara, Takashi× Fumoto, Shintaro× Nishida, Koyo× Nakamura, Junzo× Niidome, Takuro× Kodama, Yukinobu× Nakagawa, Hiroo× To, Hideto× Sasaki, Hitoshi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We discovered a vector coated by gamma-polyglutamic acid (gamma-PGA) for effective and safe gene delivery. In order to develop a useful non-viral vector, we prepared several ternary complexes constructed with pDNA, polyethylenimine (PEI), and various polyanions, such as polyadenylic acid, polyinosinic-polycytidylic acid, alpha-polyaspartic acid, alpha-polyglutamic acid, and gamma-PGA. The pDNA/PEI complex had a strong cationic surface charge and showed extremely high transgene efficiency although it agglutinated with erythrocytes and had extremely high cytotoxicity. Those polyanions changed the positive zeta-potential of pDNA/PEI complex to negative although they did not affect the size. They had no agglutination activities and lower cytotoxicities but most of the ternary complexes did not show any uptake and gene expression; however, the pDNA/PEI/gamma-PGA complex showed high uptake and gene expression. Most of the pDNA/PEI/gamma-PGA complexes were located in the cytoplasm without dissociation and a few complexes were observed in the nuclei. Hypothermia and the addition of gamma-PGA significantly inhibited the uptake of pDNA/PEI/gamma-PGA by the cells, although l-glutamic acid had no effect. These results strongly indicate that the pDNA/PEI/gamma-PGA complex was taken up by gamma-PGA-specific receptor-mediated energy-dependent process. Thus, the pDNA/PEI/gamma-PGA complex is useful as a gene delivery system with high transfection efficiency and low toxicity. | |||||
書誌情報 |
Biomaterials 巻 30, 号 14, p. 2846-2853, 発行日 2009-05 |
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出版者 | ||||||
出版者 | Elsevier Ltd | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18785905 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00110092 | |||||
PubMed番号 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | PMID | |||||
関連識別子 | 19232715 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.biomaterials.2009.01.055 | |||||
権利 | ||||||
権利情報 | Copyright c 2009 Elsevier Ltd All rights reserved. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Biomaterials, 30(14), pp.2846-2853; 2009 |