| ○種別 (必須): |
| ○言語 (必須): | □ | 英語
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| ○審査 (推奨): |
| ○カテゴリ (推奨): |
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| ○学究種別 (推奨): |
| ○組織 (推奨): |
| ○著者 (必須): | 1. | (英) Honda Tsuyoshi (日) (読)
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| 2. | (英) Kaikita Koichi (日) (読)
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| 3. | (英) Tsujita Kenichi (日) (読)
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| 4. | (英) Hayasaki Takanori (日) (読)
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| 5. | (英) Matsukawa Masakazu (日) (読)
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| 6. | (英) Fuchigami Shunichiro (日) (読)
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| 7. | (英) Sugiyama Seigo (日) (読)
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| 8. | 坂下 直実
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| 9. | (英) Ogawa Hisao (日) (読)
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| 10. | (英) Takeya Motohiro (日) (読)
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| ○題名 (必須): | □ | (英) Pioglitazone, a peroxisome proliferator-activated receptor-gamma agonist, attenuates myocardial ischemia-reperfusion injury in mice with metabolic disorders. (日)
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| ○副題 (任意): |
| ○要約 (任意): | □ | (英) Although considerable attention has focused on obesity, insulin resistance and abnormal lipid metabolism as coronary risk factors, it remains unclear how these pathogenic factors affect the inflammatory response after myocardial ischemia-reperfusion. This study was conducted to evaluate whether these metabolic disorders exacerbate myocardial ischemia-reperfusion injury, and to determine if ischemia-reperfusion injury could be modified with the thiazolidinedione, pioglitazone. Experiments were performed in KK-A(y) and C57BL/6J mice subjected to 40 min of ischemia followed by reperfusion. Infiltration of inflammatory cells in ischemic myocardium, and infarct size 3 days after reperfusion were significantly higher in KK-A(y) than C57BL/6J mice (p<0.05 and p<0.001, respectively). Furthermore, expression of chemokines, inflammatory cytokines and extracellular matrix proteins in ischemic myocardium was significantly higher in KK-A(y) than C57BL/6J mice 1 day after reperfusion. Pioglitazone treatment of KK-A(y) mice for 14 days significantly reduced the accumulation of inflammatory cells in ischemic myocardium, and infarct size 3 days after reperfusion compared to vehicle treatment (p<0.05 and p<0.05, respectively). Pioglitazone also attenuated expression of chemokines, inflammatory cytokines and extracellular matrix proteins in ischemic myocardium 1 day after reperfusion. In vitro experiments demonstrated that tumor necrosis factor-alpha (TNF-alpha) was significantly higher in cultured peritoneal macrophages from KK-A(y) than C57BL/6J mice, and pioglitazone significantly reduced TNF-alpha in macrophages from both types of mice. These findings suggest that metabolic disorders exacerbate ischemia-reperfusion injury as a result of overexpression of inflammatory mediators, and this effect might be improved, in part by the anti-inflammatory effects of pioglitazone. (日)
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| ○キーワード (推奨): | 1. | (英) Animals (日) (読)
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| 2. | (英) Body Weight (日) (読)
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| 3. | (英) Cells, Cultured (日) (読)
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| 4. | (英) Gene Expression Regulation (日) (読)
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| 5. | (英) Heart Ventricles (日) (読)
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| 6. | 炎症 (inflammation)
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| 7. | (英) Macrophages, Peritoneal (日) (読)
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| 8. | (英) Metabolic Diseases (日) (読)
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| 9. | (英) Mice (日) (読)
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| 10. | (英) Mice, Inbred C57BL (日) (読)
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| 11. | (英) Myocardial Reperfusion Injury (日) (読)
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| 12. | 心筋 (myocardium)
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| 13. | (英) Neutrophil Infiltration (日) (読)
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| 14. | (英) PPAR gamma (日) (読)
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| 15. | (英) RNA, Messenger (日) (読)
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| 16. | (英) Reverse Transcriptase Polymerase Chain Reaction (日) (読)
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| 17. | (英) Subcellular Fractions (日) (読)
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| 18. | (英) Thiazolidinediones (日) (読)
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| 19. | (英) Tumor Necrosis Factor-alpha (日) (読)
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| ○発行所 (推奨): |
| ○誌名 (必須): | □ | Journal of Molecular and Cellular Cardiology (International Society for Heart Research)
(pISSN: 0022-2828, eISSN: 1095-8584)
| ○ISSN (任意): | □ | 1095-8584
ISSN: 0022-2828
(pISSN: 0022-2828, eISSN: 1095-8584) Title: Journal of molecular and cellular cardiologyTitle(ISO): J Mol Cell CardiolPublisher: Academic Press (NLM Catalog)
(Scopus)
(CrossRef)
(Scopus information is found. [need login]) | [継承] |
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| ○巻 (必須): | □ | 44
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| ○号 (必須): | □ | 5
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| ○頁 (必須): | □ | 915 926
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2008年 3月 12日 (平成 20年 3月 12日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1016/j.yjmcc.2008.03.004 (→Scopusで検索)
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| ○PMID (任意): | □ | 18436235 (→Scopusで検索)
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| ○CRID (任意): |
| ○WOS (任意): |
| ○Scopus (任意): | □ | 2-s2.0-42749092253
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| ○評価値 (任意): |
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| ○指導教員 (推奨): |
| ○備考 (任意): | 1. | (英) Article.ELocationID: 10.1016/j.yjmcc.2008.03.004 (日)
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| 2. | (英) Article.Affiliation: Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto 860-8556, Japan. (日)
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| 3. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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| 4. | (英) Article.PublicationTypeList.PublicationType: Research Support, Non-U.S. Gov't (日)
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