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Abstract Title:

Electroacupuncture protects rats from ischemic brain injury via coffilin in mice.

Abstract Source:

J Cell Biochem. 2020 Jan ;121(1):43-48. Epub 2019 Oct 9. PMID: 31599049

Abstract Author(s):

Juguang Sun, Jiangfeng Shi, Jinyi Hou, Chunhui Guo, Xueli Heng, Guanghui Qi

Article Affiliation:

Juguang Sun

Abstract:

BACKGROUND: This study aimed to study the expression level of cofilin after electroacupuncture (EA) pretreatment, using ischemic brain injury model in mice. In addition, infarct volume and neurological functions were measured to understand whether electroacupuncture stimulation could restore the functions of the brain.

METHODS: Total of 36 mice was randomly divided into three groups: sham group, middle cerebral artery occlusion model (MACO), and middle cerebral artery occlusion model pretreated with EA (MACO + EA). Mice were stimulated at"Baihui (G20)"and"Dazhui (G14)"24 hours before focal cerebral ischemia. Infarct volume and neuronal function of brain tissue were scored among different experimental groups. The expression level of cofilin and phosphocofilin of brain tissue were evaluated by using Western blot analysis. TUNEL assay was performed to determine the degree of cell apoptosis.

RESULTS: Compared with the sham group, the level of cofilin was dramatically reduced in the MACO group. EA pretreatment could reduce the protein level of cofilin, while EA therapy could also upregulate the protein level of phosphocofilin. Improved neuronal function, smaller infarct volume, and reduced neuronal apoptosis were observed among the mice underwent EA before middle artery occlusion.

CONCLUSION: Our results from Western blot analysis and TUNEL assay might suggest that the upregulation of cofilin was concerned with the EA protects rats from ischemic brain injury. Cofilin might be a potential target for developing drugs against brain ischemia.

Study Type : Animal Study

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