Early Post-Stroke Electroacupuncture Promotes Motor Function Recovery in Post-Ischemic Rats by Increasing the Blood and Brain Irisin
Li Liu,1,* Qun Zhang,1,* Mingyue Li,2 Nianhong Wang,1 Ce Li,1 Di Song,3 Xueyan Shen,1 Lu Luo,1 Yunhui Fan,1 Hongyu Xie,1 Yi Wu1 1Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, People’s Republic of China; 2Department of Rehabilitation Medicine, The Thir...
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2021
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| Acceso en línea: | https://doaj.org/article/ae6068b01fd549bab8d6ee5c5497faa0 |
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| Sumario: | Li Liu,1,* Qun Zhang,1,* Mingyue Li,2 Nianhong Wang,1 Ce Li,1 Di Song,3 Xueyan Shen,1 Lu Luo,1 Yunhui Fan,1 Hongyu Xie,1 Yi Wu1 1Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, People’s Republic of China; 2Department of Rehabilitation Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, People’s Republic of China; 3Department of Rehabilitation Medicine, The Affiliated Sixth People’s Hospital of Shanghai Jiaotong University, Shanghai, People’s Republic of China*These authors contributed equally to this workCorrespondence: Hongyu Xie; Yi WuDepartment of Rehabilitation Medicine, Huashan Hospital, Fudan University, 12 Wulumuqi Middle Road, Shanghai, 200040, People’s Republic of ChinaEmail huangdaitian@163.com; 16111220064@fudan.edu.cnObjective: Recent studies have shown that irisin, a novel peptide hormone derived from muscles, could be used as a potential therapeutic drug against ischemic stroke. Moreover, electroacupuncture (EA) is widely used in the treatment of ischemic stroke. Yet, whether irisin is involved in the EA neuroprotection remains unclear. The following study investigated the association between serum and peri-lesional cortex irisin and EA-induced post-stroke motor recovery in rats.Methods: The middle cerebral artery occlusion (MCAO) method was used to induce ischemic stroke in rats. Rats were randomly divided into two groups: a middle cerebral artery occlusion (MCAO) group (MCAO rats without treatment) and an electroacupuncture (EA) group (MCAO rats treated with EA). On the 3rd day post-stroke, infarct volume, behavioral deficits, surviving neurons, irisin protein expression in peri-infarction cortex, muscle tissue, and serum were evaluated to identify the neuroprotective of EA in acute ischemic stroke.Results: Compared with the MCAO group, the EA group showed better behavioral performance, a smaller cerebral infarct volume, more surviving neurons, and a significant increase in irisin expression in the peri-infarction cortex and serum (p< 0.05). However, no difference in irisin expression in the muscle tissue was found between the MCAO group and the EA group (p> 0.05).Conclusion: EA promotes motor function recovery, reduces the volume of cerebral infarction, and alleviates neuronal death following ischemic stroke by enhancing the expression of irisin in both the blood and peri-lesional cortex.Keywords: ischemic stroke, electroacupuncture, irisin |
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