{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,28]],"date-time":"2026-10-28T05:04:14Z","timestamp":1793163854595,"version":"4.5.0"},"reference-count":122,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T00:00:00Z","timestamp":1771459200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Faculty of Medicine, Universiti Kebangsaan Malaysia","award":["FF-2025-376"],"award-info":[{"award-number":["FF-2025-376"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Mitochondrial dysfunction is a central pathological feature of a wide range of inherited and acquired disorders and is characterized by impaired oxidative phosphorylation, disrupted cellular energy metabolism, and excessive oxidative stress. Although advances in molecular diagnostics have improved disease recognition, effective disease-modifying therapies remain limited, and clinical outcomes are often suboptimal, highlighting the need for novel therapeutic strategies. Mesenchymal stromal cells (MSCs) and their extracellular vesicles (MSC-EVs) have emerged as promising candidates for targeting mitochondrial dysfunction due to their regenerative, immunomodulatory, and metabolic regulatory properties. In this review, we provide a comprehensive overview of recent in vitro and in vivo studies investigating the capacity of MSCs and MSC-EVs to restore mitochondrial function by enhancing mitochondrial respiration, improving cellular bioenergetics, and reducing oxidative stress across diverse disease models. We further discuss the underlying mechanisms involved, including mitochondrial transfer, delivery of functional mitochondrial components, and modulation of the cellular microenvironment. Finally, we highlight the key advantages, translational potential, and remaining challenges associated with MSC- and MSC-EV-based therapies for mitochondrial dysfunction.<\/jats:p>","DOI":"10.3390\/ijms27041981","type":"journal-article","created":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T11:44:27Z","timestamp":1771501467000},"page":"1981","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Mesenchymal Stromal Cells and Extracellular Vesicles: A Novel Therapeutic Paradigm for Mitochondrial Dysfunctions"],"prefix":"10.3390","volume":"27","author":[{"given":"Eman Salem","family":"Algariri","sequence":"first","affiliation":[{"name":"Department of Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7053-4580","authenticated-orcid":false,"given":"Fazlina","family":"Nordin","sequence":"additional","affiliation":[{"name":"Department of Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min Hwei","family":"Ng","sequence":"additional","affiliation":[{"name":"Department of Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Izyan","family":"Mohd Idris","sequence":"additional","affiliation":[{"name":"Institute for Medical Research (IMR), National Institutes of Health (NIH), Ministry of Health Malaysia, Shah Alam 40170, Selangor, Malaysia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0886-7373","authenticated-orcid":false,"given":"Norwahidah","family":"Abdul Karim","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6707-9505","authenticated-orcid":false,"given":"Gee Jun","family":"Tye","sequence":"additional","affiliation":[{"name":"Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, Minden 11800, Penang, Malaysia"},{"name":"Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor 11700, Penang, Malaysia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wan Safwani","family":"Wan Kamarul Zaman","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur 50603, Malaysia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,2,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Al Ojaimi, M., Salah, A., and El-Hattab, A.W. 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