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This study shows that miR-451-5p in circulating EVs is crucial for stroke recovery, with its first therapeutic application in middle cerebral artery occlusion (MCAO) rats. Circulating EVs derived from MCAO rats in the chronic recovery phase were enriched in miR-451-5p, especially in CD9\n                    <jats:sup>+<\/jats:sup>\n                    EVs., increased S100A10\n                    <jats:sup>+<\/jats:sup>\n                    astrocytes and decreased C3d\n                    <jats:sup>+<\/jats:sup>\n                    astrocytes in the peri-infarct area (PIA). They also increased axonemal phosphorylated high-molecular-weight neurofilaments and dendritic non-phosphorylated high-molecular-weight neurofilaments, reduced the infarct size, and enhanced functional recovery. EVs with miR-451-5p overexpression suppressed macrophage migration inhibitory factor in cultured neurons and cyclin D1 in cultured astrocytes after stroke. These findings indicate that miR-451-5p-enriched CD9\n                    <jats:sup>+<\/jats:sup>\n                    circulating EVs restored ischemic brain tissues, making them potential therapeutic targets for stroke.\n                  <\/jats:p>","DOI":"10.1177\/0271678x251361247","type":"journal-article","created":{"date-parts":[[2025,7,28]],"date-time":"2025-07-28T13:56:26Z","timestamp":1753710986000},"page":"377-392","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Circulating extracellular vesicles in facilitated stroke recovery via MiR-451-5p\/MIF and MiR-451-5p\/CCND1 axes"],"prefix":"10.1177","volume":"46","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0870-1392","authenticated-orcid":false,"given":"Kenichiro","family":"Hira","sequence":"first","affiliation":[{"name":"Department of Neurology, Juntendo University Faculty of Medicine, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nobukazu","family":"Miyamoto","sequence":"additional","affiliation":[{"name":"Department of Neurology, Juntendo University Faculty of Medicine, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toshiki","family":"Inaba","sequence":"additional","affiliation":[{"name":"Department of Neurology, Juntendo University Faculty of Medicine, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hai-Bin","family":"Xu","sequence":"additional","affiliation":[{"name":"Department of Neurology, Juntendo University Faculty of Medicine, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshifumi","family":"Miyauchi","sequence":"additional","affiliation":[{"name":"Department of Neurology, Juntendo University Faculty of Medicine, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chikage","family":"Kijima","sequence":"additional","affiliation":[{"name":"Department of Neurology, Juntendo University Faculty of Medicine, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takao","family":"Urabe","sequence":"additional","affiliation":[{"name":"Juntendo University Urayasu Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nobutaka","family":"Hattori","sequence":"additional","affiliation":[{"name":"Department of Neurology, Juntendo University Faculty of Medicine, Tokyo, Japan"},{"name":"Neurodegenerative Disorders Collaborative Laboratory, RIKEN Center for Brain Science, Saitama, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuji","family":"Ueno","sequence":"additional","affiliation":[{"name":"Department of Neurology, Juntendo University Faculty of Medicine, Tokyo, Japan"},{"name":"Department of Neurology, University of Yamanashi, Yamanashi, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2025,7,28]]},"reference":[{"key":"e_1_3_5_2_2","first-page":"795","article-title":"Global, regional, and national burden of stroke and its risk factors, 1990\u20132019: a systematic analysis for the global burden of disease study 2019","volume":"20","author":"GBD","year":"2019","unstructured":"GBD. 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