| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○招待 (推奨): |
| ○審査 (推奨): | □ | Peer Review
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| ○カテゴリ (推奨): |
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| ○学究種別 (推奨): |
| ○組織 (推奨): | 1. | 徳島大学.ゲノム機能研究センター (〜2008年3月31日/->組織[徳島大学.疾患プロテオゲノム研究センター])
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| ○著者 (必須): | 1. | 片岡 正俊
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| 2. | (英) Fukura Yoko (日) (読)
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| 3. | 篠原 康雄 ([徳島大学.先端酵素学研究所.基幹研究部門])
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| 4. | 馬場 嘉信
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| ○題名 (必須): | □ | (英) Analysis of mitochondrial membrane potential in the cells by microchip flow cytometry (日)
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| ○要約 (任意): | □ | (英) The mitochondrial membrane potential (DeltaPsi(m)) is an important indicator of the energetic state of both the mitochondria and the cells. To develop a sensitive, convenient, and rapid method for the measurement of DeltaPsi(m), we carried out cell fluorescence assays using the Agilent 2100 bioanalyzer system which, unlike the conventional flow cytometry, is based on microfluidic technology employing fluorescence detection with a 3,3'-dihexyloxacarbocyanine iodide (DiOC(6)(3)) fluorescent probe. The use of DiOC(6)(3) in the fluorometer was shown to be feasible for monitoring variations in DeltaPsi(m) in the mitochondria isolated from rat liver and treated with rotenone, succinate, ADP, and carbonylcyanide-p-trifluoromethoxyphenylhydrazone (FCCP). Flow cytometry analysis showed severe reduction of fluorescence intensity in Jurkat cells after treatment with 1.0 and 10 microM FCCP. However, fluorescence microscopy demonstrated obvious accumulation of fluorescence in the mitochondria and induction of diffuse cytoplasmic fluorescence not localized to the mitochondria in these cells. The dose response range of DiOC(6)(3) in the Agilent 2100 bioanalyzer system for yielding sufficient fluorescence intensity in the mitochondria of the cells was 20 nm-2.0 microM. Furthermore, significant reduction of fluorescence intensity in the cells stained with 2.0 microM DiOC(6)(3) was observed after treatment with 10 microM FCCP for 30 min. These results indicate that the Agilent 2100 bioanalyzer is potentially useful for monitoring DeltaPsi(m) in cell assays. (日)
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| ○キーワード (推奨): | 1. | (英) Adenosine Diphosphate (日) (読)
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| 2. | (英) Animals (日) (読)
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| 3. | (英) Carbocyanines (日) (読)
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| 4. | (英) Carbonyl Cyanide p-Trifluoromethoxyphenylhydrazone (日) (読)
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| 5. | (英) Flow Cytometry (日) (読)
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| 6. | (英) Fluorescent Dyes (日) (読)
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| 7. | (英) Humans (日) (読)
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| 8. | (英) Jurkat Cells (日) (読)
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| 9. | (英) Male (日) (読)
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| 10. | (英) Membrane Potentials (日) (読)
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| 11. | (英) Microfluidic Analytical Techniques (日) (読)
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| 12. | (英) Mitochondria, Liver (日) (読)
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| 13. | (英) Rats (日) (読)
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| 14. | (英) Rotenone (日) (読)
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| 15. | (英) Succinic Acid (日) (読)
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| ○発行所 (推奨): |
| ○誌名 (必須): | □ | Electrophoresis (Electrophoresis Society)
(pISSN: 0173-0835, eISSN: 1522-2683)
| ○ISSN (任意): | □ | 0173-0835
ISSN: 0173-0835
(pISSN: 0173-0835, eISSN: 1522-2683) Title: ElectrophoresisTitle(ISO): ElectrophoresisPublisher: Wiley (NLM Catalog)
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(Scopus)
(CrossRef)
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| ○巻 (必須): | □ | 26
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| ○号 (必須): | □ | 15
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| ○頁 (必須): | □ | 3025 3031
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2005年 8月 1日 (平成 17年 8月 1日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1002/elps.200410402 (→Scopusで検索)
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| ○PMID (任意): | □ | 16078196 (→Scopusで検索)
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| ○備考 (任意): | 1. | (英) Article.Affiliation: Institute for Genome Research, The University of Tokushima, Japan. kataoka@genome.tokushima-u.ac.jp (日)
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| 2. | (英) Article.PublicationTypeList.PublicationType: In Vitro (日)
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| 3. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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