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Chemically modified symmetric and asymmetric duplex RNAs: An enhanced stability to nuclease degradation and gene silencing effect
https://repo.qst.go.jp/records/45128
https://repo.qst.go.jp/records/45128a41fa0d7-adf1-4a3e-95a4-f00a4117aca7
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-03-25 | |||||
タイトル | ||||||
タイトル | Chemically modified symmetric and asymmetric duplex RNAs: An enhanced stability to nuclease degradation and gene silencing effect | |||||
言語 | ||||||
言語 | eng | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Kubo, Takanori
× Kubo, Takanori× Zhelev, Zhivko× Ohba, Hideki× Bakalova-Zheleva, Rumiana× バカロバ ルミアナ |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The present study accents on the relationship between dicing, nuclease stability, and RNAi activity of various types of chemically modified symmetric and asymmetric dsRNAs, covalently bound with amino-groups or cholesterol at one or both terminals. All modified dsRNAs were subjected to cleavage by recombinant Dicer enzyme. They possessed a high resistance to nuclease degradation in cell cultured medium and an excellent RNAi activity in viable cells. The best stability and RNAi activity was detected for 5' -sense amino-modified RNAs. These modifications manifested also a high long-term gene silencing effect within seven days post-transfection, while the RNAi activity of the native 21nt siRNA expired within two days. The conjugation of dsRNA with cholesterol at 5' -sense end resulted in easy intracellular delivery without transfection reagents. After a direct transfection in cells, the cholesterol-conjugated 27nt dsRNA possessed a higher RNAi activity than cholesterol-conjugated 21nt siRNA. | |||||
書誌情報 |
Biochemical and Biophysical Research Communications 巻 365, 号 1, p. 54-61, 発行日 2007-10 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0006-291X | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.bbrc.2007.10.116 |