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Preconditioning exercise reduces brain damage and neuronal apoptosis through enhanced endogenous 14-3-3γ after focal brain ischemia in rats
http://hdl.handle.net/10232/00030475
http://hdl.handle.net/10232/0003047506b00406-5e22-461d-b069-f68e8a438168
名前 / ファイル | ライセンス | アクション |
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||
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公開日 | 2019-03-25 | |||||
タイトル | ||||||
タイトル | Preconditioning exercise reduces brain damage and neuronal apoptosis through enhanced endogenous 14-3-3γ after focal brain ischemia in rats | |||||
別言語のタイトル | ||||||
その他のタイトル | 脳梗塞発症前運動は、ラットの局所脳虚血後、内在性14-3-3γの増強を介して脳損傷および神経細胞のアポトーシスを減少させる | |||||
著者 |
大塚, 章太郎
× 大塚, 章太郎 |
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著者よみ | ||||||
姓名 | オオツカ, ショウタロウ | |||||
別言語の著者 | ||||||
姓名 | OTSUKA, Shotaro | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題言語 | en | |||||
主題Scheme | Other | |||||
主題 | 14-3-3γ | |||||
キーワード | ||||||
主題言語 | en | |||||
主題Scheme | Other | |||||
主題 | HIF-1α | |||||
キーワード | ||||||
主題言語 | en | |||||
主題Scheme | Other | |||||
主題 | physical activity | |||||
キーワード | ||||||
主題言語 | en | |||||
主題Scheme | Other | |||||
主題 | ischemic tolerance | |||||
キーワード | ||||||
主題言語 | en | |||||
主題Scheme | Other | |||||
主題 | intrinsic factor | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_db06 | |||||
資源タイプ | doctoral thesis | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
要約(Abstract) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 14-3-3γ is an important early ischemia-inducible protective factor against ischemic cell death in cerebral cortical neurons. We investigated the anti-apoptosis mechanism of enhanced 14-3-3γ mediated by preconditioning exercise-induced brain ischemic tolerance after stroke. Rats were assigned to 4 groups: exercise and ischemia (Ex group), ischemia and no exercise (No-Ex group), exercise and no ischemia (Ex-only group), and no exercise and ischemia (control group). Rats were trained on a treadmill for 5 days a week for 3 weeks (running speed, 25 m/min; running duration, 30 min/day). After the exercise program, stroke was induced by left middle cerebral artery occlusion. The infarct volume, neurological deficits, and motor function, as well as expression levels of hypoxiainduced factor-1α (HIF-1α), 14-3-3γ, P2X7 receptors, p-β-catenin Ser37, Bax, and caspase 3 were evaluated by immunohistochemistry and western blotting. The expression of HIF-1α and 14-3-3γ significantly increased in neurons and astrocytes in the Ex-only group. HIF-1α was co-expressed with P2X7 receptor- and GFAP-positive astrocytes. After stroke, the Ex group had significantly reduced brain infarction. HIF-1α and 14-3-3γ significantly increased in the Ex group compared to the No-Ex group. In addition, p-β-catenin Ser37 significantly increased following elevated 14-3-3γ; in contrast, Bax and caspase 3 were significantly reduced in the Ex group. Our findings suggest that preconditioning exercise prior to ischemia induces neuron- and astrocyte-mediated brain ischemic tolerance through increased expression of HIF-1α and 14-3-3γ, which are intrinsic protective factors; the upregulated 14-3-3γ induced by preconditioning exercise reduces ischemic neuronal cell death through the 14-3-3γ/p-β-catenin Ser37/Bax/caspase 3 anti-apoptotic pathway. | |||||
収録雑誌名 |
Brain Structure and Function 巻 224, 号 2, p. 727-738, 発行日 2019 |
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作成日 | ||||||
日付 | 2019-03-05 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
DOI | 10.1007/s00429-018-1800-4 | |||||
権利 | ||||||
権利情報 | © Springer-Verlag GmbH Germany, part of Springer Nature 2018 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NDC | ||||||
主題Scheme | NDC | |||||
主題 | 498 | |||||
ファイル(説明) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 博士論文全文 | |||||
ファイル(説明) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 博士論文要旨 | |||||
ファイル(説明) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 最終試験結果の要旨 | |||||
ファイル(説明) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 論文審査の要旨 | |||||
公開者・出版者 | ||||||
出版者 | Springer | |||||
公開者・出版者 | ||||||
出版者 | 鹿児島大学 | |||||
公開者よみ | ||||||
公開者よみ | カゴシマ ダイガク | |||||
公開者別名 | ||||||
公開者別名 | Kagoshima University | |||||
備考 | ||||||
備考 | 【指導教員:榊間春利】 | |||||
date.appl | ||||||
【学位申請日】2018-12-13 | ||||||
学位名 | ||||||
学位名 | 博士(保健学)Doctor of Philosophy in Health Science | |||||
学位授与機関 | ||||||
学位授与機関識別子Scheme | kakenhi | |||||
学位授与機関識別子 | 17701 | |||||
学位授与機関名 | 鹿児島大学 | |||||
学位授与年月日 | ||||||
学位授与年月日 | 2019-03-25 | |||||
学位授与番号 | ||||||
学位授与番号 | 甲保研第13号 |