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This study investigated the effect of low\u2010intensity pulsed ultrasound (LIPUS) on the therapeutic efficacy of EVs derived from periodontal ligament stem cells (PDLSCs) and preliminarily explored its mechanism. PDLSCs were cultured with osteogenic media and stimulated with or without LIPUS, and then EVs and LIPUS\u2010stimulated EVs (L\u2010EVs) were isolated separately. We investigated the biological characteristics and effects of these two EVs on cell proliferation, migration, osteogenic differentiation, and bone regeneration in\u00a0vivo and in\u00a0vitro, and explored the potential mechanism by analyzing protein profiles. LIPUS significantly stimulated the secretion of PDLSCs\u2010EVs, and L\u2010EVs exhibited stronger efficacy in promoting cell proliferation, migration, and osteogenic differentiation, thereby enhancing new bone formation. LIPUS stimulation affected the protein profile of PDLSCs\u2010EVs, and 42 proteins were upregulated and 4 proteins downregulated in L\u2010EVs when compared with EVs. LIPUS significantly upregulated the level of cartilage oligomeric matrix protein (COMP) in EVs, which enhanced EVs' osteogenic ability via the PI3K\/AKT pathway. This study proposes that LIPUS has potential as an optimization method for enhancing the therapeutic effects of EVs in tissue regeneration.<\/jats:p>","DOI":"10.1096\/fj.202402463r","type":"journal-article","created":{"date-parts":[[2025,1,10]],"date-time":"2025-01-10T10:43:29Z","timestamp":1736505809000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Low\u2010intensity pulsed ultrasound enhances the osteogenic potential of\n                    <scp>PDLSCs<\/scp>\n                    \u2010derived extracellular vesicles through\n                    <scp>COMP<\/scp>\n                    \/\n                    <scp>PI3K<\/scp>\n                    \/\n                    <scp>AKT<\/scp>"],"prefix":"10.1096","volume":"39","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2812-792X","authenticated-orcid":false,"given":"Mingli","family":"Xiang","sequence":"first","affiliation":[{"name":"GuiZhou University Medical 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