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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Lang, Jiawang Luo, Jianchang Lang, Jiachen Wang, Luodan Xu, Wenbin Jia, Jie Zhao, Zhipeng Lang, Boxu |
| Abstract | Background Post-stroke cognitive impairment (PSCI) severely reduces quality of life of patients with stroke. This study aimed to assess the effects of electroacupuncture (EA) on PSCI and the role of the mTOR/NLRP3-mediated autophagy-inflammatory pathway in this process. Methods The rat focal cerebral ischemia model was established using middle cerebral artery occlusion (MCAO). Following successful induction of the model, EA was applied to the bilateral Fengchi, Fengfu, and Dazhui acupoints, and brain tissue samples were collected on day 15. Cognitive function was assessed using the Morris water maze test. Cerebral infarct volume was quantified by Triphenyltetrazolium chloride (TTC) staining. Hematoxylin–eosin and TUNEL staining were performed to evaluate pathological changes and apoptosis rates. Apoptosis-, inflammation-, and autophagy-related biomarkers were measured, and autophagosomes were visualized using transmission electron microscopy. Results MCAO rats exhibited slower weight gain, reduced mobility, increased infarct size, pathological damage, and apoptosis, confirming successful establishment of the MCAO rat model. Following EA treatment, MCAO rats displayed faster weight gain, improved mobility, and shorter escape latency. EA also reduced the area of cerebral infarction and alleviated pathological damage and apoptosis in MCAO rats. Furthermore, EA downregulated IL-1β, IL-18, NLRP3, and LC3 II/LC3 I expression and upregulated p62, mTOR, and Beclin-1 expression in MCAO rats. EA treatment also decreased the number of autophagosomes in these rats. Conclusions EA effectively mitigates post-stroke cognitive impairment by reducing apoptosis, inflammation, and autophagy through the regulation of the mTOR/NLRP3-mediated autophagy-inflammatory pathway, offering valuable therapeutic insights for stroke rehabilitation. |
| Related Links | https://eurjmedres.biomedcentral.com/counter/pdf/10.1186/s40001-024-02131-9.pdf |
| Ending Page | 10 |
| Page Count | 10 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| DOI | 10.1186/s40001-024-02131-9 |
| Journal | European Journal of Medical Research |
| Issue Number | 1 |
| Volume Number | 29 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2024-11-05 |
| Access Restriction | Open |
| Subject Keyword | Medicine Public Health Infectious Diseases Internal Medicine Surgery Oncology Biomedicine Post-stroke cognitive impairment mTOR/NLRP3 pathway Apoptosis Inflammation Autophagy Medicine/Public Health |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine |
| Journal Impact Factor | 2.8/2023 |
| 5-Year Journal Impact Factor | 2.9/2023 |
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