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博士論文
国立国会図書館館内限定公開
収録元データベースで確認する
国立国会図書館デジタルコレクション
デジタルデータあり(Elsevier)
虚血性脳卒中モデルラットを用いた日本の伝統的な漢方薬である人参養栄湯と運動による神経修復機構を介した機能回復促進について
- 国立国会図書館永続的識別子
- info:ndljp/pid/13521775
- 資料種別
- 博士論文
- 著者
- 谷, 明
- 出版者
- Elsevier
- 出版年
- 2024-03-25
- 資料形態
- デジタル
- ページ数・大きさ等
- -
- 授与大学名・学位
- 鹿児島大学,博士(保健学),Doctor of Philosophy in Health Science
国立国会図書館での利用に関する注記
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一般注記:
- 博士論文全文, 博士論文要旨, 最終試験結果の要旨, 論文審査の要旨Ethnopharmacological relevance: Ninjin'yoeito (NYT), a traditional Japanese Kampo medicine consisting of 12 herbs, h...
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デジタル
- 資料種別
- 博士論文
- 著者・編者
- 谷, 明
- 著者標目
- 出版事項
- 出版年月日等
- 2024-03-25
- 出版年(W3CDTF)
- 2024-03-25
- 並列タイトル等
- Stimulation of functional recovery via neurorepair mechanisms by the traditional Japanese Kampo medicine, Ninjin’yoeito, and physical exercise in a rat ischemic stroke model
- 授与機関名
- 鹿児島大学
- 授与年月日
- 2024-03-25
- 授与年月日(W3CDTF)
- 2024-03-25
- 報告番号
- 甲保研第42号
- 学位
- 博士(保健学)Doctor of Philosophy in Health Science
- 本文の言語コード
- eng
- 対象利用者
- 一般
- 一般注記
- 博士論文全文, 博士論文要旨, 最終試験結果の要旨, 論文審査の要旨Ethnopharmacological relevance: Ninjin'yoeito (NYT), a traditional Japanese Kampo medicine consisting of 12 herbs, has been reported to improve cognitive dysfunction, depression, and neurological recovery in patients with neurovascular diseases such as Alzheimer's disease and stroke. Several studies have reported that the NYT components exert neurotrophic, neurogenic, and neuroprotective effects. In addition, exercise enhances neuroprotection and functional recovery after stroke. Rehabilitative exercises and pharmacological agents induce neurophysiological plasticity, leading to functional recovery in stroke patients. These reports indicate that NYT treatment and exercise may promote functional recovery following stroke through their beneficial effects. However, no study has determined the effects of NYT and the possible mechanisms of neurorepair and functional recovery after stroke.Aim of the study: This study aimed to investigate the combined effects of NYT and exercise on neuroprotection and functional recovery and the underlying mechanisms in a rat ischemic stroke model.Materials and methods: Stroke was induced with 60-min middle cerebral artery occlusion (MCAO) followed by reperfusion in adult male Sprague-Dawley rats. After stroke, the rats were assigned to four groups: ischemia reperfusion (IR), NYT, exercise (Ex), and NYT + Ex. NYT-treated rats were fed a diet containing 1% NYT one day after stroke. Exercise was performed using a motorized treadmill for 5 days a week (8–15 m/min, 20 min/day), starting 3 days after stroke. The NYT treatment and exercise were continued for 4 weeks after the stroke. Infarct volume, neurological deficits, sensorimotor functions, expression of nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), tropomyosin receptor kinase A (TrkA) and B (TrkB), caspase-3 activity, and the p-Akt/Akt ratio were examined by immunohistochemistry and western blotting.Results: Compared to the IR group, all treated groups indicated reduced infarct volumes. The NYT + Ex group showed significantly improved waking time and beam walking score compared with the IR group. The expression of NGF/TrkA/p-TrkA and BDNF/TrkB was significantly increased in the NYT + Ex group compared with those in the IR group, whereas the number of caspase-3 positive cells around the lesion was significantly lower in the NYT + Ex group than in the IR group. In addition, the ratio of p-Akt/Akt was significantly higher in the NYT + Ex group than in the IR group.Conclusions: This study suggests that NYT in combination with exercise provides neuroprotective effects and improves sensorimotor function by stimulating NGF/TrkA and BDNF/TrkB, and by activating the Akt pathway in ischemic stroke of rats. NYT may be an effective adjunctive agent in post-stroke rehabilitation.Akira Tani, Harutoshi Sakakima, Shotaro Otsuka, Keita Mizuno, Kazuki Nakanishi, Kosuke Norimatsu, Seiya Takada, Teruki Matsuoka, Ryoma Matsuzaki, Tomomi Nakakogawa, Ikuro MaruyamaStimulation of functional recovery via neurorepair mechanisms by the traditional Japanese Kampo medicine, Ninjin'yoeito, and physical exercise in a rat ischemic stroke modelJournal of Ethnopharmacology 302 (2023) 115927https://doi.org/10.1016/j.jep.2022.115927
- 国立国会図書館永続的識別子
- info:ndljp/pid/13521775
- コレクション(共通)
- コレクション(障害者向け資料:レベル1)
- コレクション(個別)
- 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
- 収集根拠
- 博士論文(自動収集)
- 受理日(W3CDTF)
- 2024-04-05T22:42:23+09:00
- 記録形式(IMT)
- application/pdf
- オンライン閲覧公開範囲
- 国立国会図書館内限定公開
- デジタル化資料送信
- 図書館・個人送信対象外
- 遠隔複写可否(NDL)
- 可
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館デジタルコレクション