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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
http://hdl.handle.net/10232/0002000176
http://hdl.handle.net/10232/0002000176dda543a6-97fc-45a4-8ef0-89f43303f858
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Diss_谷明_HOK042_2023
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Abstract_谷明_4721700043_2023
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Result_TANI_Akira_hok_42 (103 KB)
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Comments_TANI_Akira_hok_42 (60.4 KB)
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| Item type | 学位論文 / Thesis or Dissertation(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2024-03-25 | |||||
| タイトル | ||||||
| タイトル | Stimulation of functional recovery via neurorepair mechanisms by the traditional Japanese Kampo medicine, Ninjin’yoeito, and physical exercise in a rat ischemic stroke model | |||||
| タイトル言語 | en | |||||
| タイトル | ||||||
| タイトル | 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 | |||||
| タイトル言語 | ja | |||||
| 著者 |
谷, 明
× 谷, 明 |
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| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Ninjin’yoeito | |||||
| キーワード | ||||||
| 主題言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Rehabilitation | |||||
| キーワード | ||||||
| 主題言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Sensorimotor function | |||||
| キーワード | ||||||
| 主題言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Stroke | |||||
| キーワード | ||||||
| 主題言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Neuroprotection | |||||
| 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 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 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 Maruyama Stimulation of functional recovery via neurorepair mechanisms by the traditional Japanese Kampo medicine, Ninjin'yoeito, and physical exercise in a rat ischemic stroke model Journal of Ethnopharmacology 302 (2023) 115927 https://doi.org/10.1016/j.jep.2022.115927 |
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| 内容記述言語 | en | |||||
| 作成日 | ||||||
| 日付 | 2024-03-07 | |||||
| 日付タイプ | Collected | |||||
| 出版タイプ | ||||||
| 出版タイプ | VoR | |||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
| ファイル（説明） | ||||||
| 内容記述 | 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 | |||||
| 公開者・出版者 | ||||||
| 出版者 | Elsevier | |||||
| 出版者言語 | en | |||||
| 公開者・出版者 | ||||||
| 出版者 | 鹿児島大学 | |||||
| 出版者言語 | ja | |||||
| 備考 | ||||||
| 備考言語 | ja | |||||
| 備考 | 【指導教員：榊間春利】 | |||||
| 学位名 | ||||||
| 学位名の言語 | ja | |||||
| 学位名 | 博士(保健学) | |||||
| 学位名 | ||||||
| 学位名の言語 | en | |||||
| 学位名 | Doctor of Philosophy in Health Science | |||||
| 学位授与機関名 | ||||||
| 学位授与機関識別子Scheme | kakenhi | |||||
| 学位授与機関識別子 | 17701 | |||||
| 学位授与機関名の言語 | ja | |||||
| 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 | 2024-03-25 | |||||
| 学位授与番号 | ||||||
| 学位授与番号 | 甲保研第42号 | |||||
