{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T12:06:49Z","timestamp":1791288409772,"version":"4.3.0"},"reference-count":118,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T00:00:00Z","timestamp":1791244800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Physiol."],"abstract":"<jats:p>Mitochondrial isolation is fundamental to the study of mitochondrial biology and is increasingly relevant to emerging therapeutic applications such as mitochondrial transplantation. However, isolation procedures can substantially influence mitochondrial yield, purity, structural integrity, and bioenergetic function, making method selection an important determinant of experimental and translational outcomes. This review examines current mitochondrial isolation strategies, including physical disruption, chemical permeabilization, emerging microfluidic and automated dissociation technologies, and downstream separation approaches such as differential centrifugation, density-gradient centrifugation, filtration, and immunoaffinity enrichment. Each approach offers distinct advantages and limitations depending on the biological source, processing requirements, and intended application. Conventional methods remain widely used because of their accessibility and flexibility, but may introduce operator variability, mechanical stress, contamination, or loss of mitochondrial function. More selective purification strategies can improve sample purity, although often at the cost of additional processing time, technical complexity, and reduced recovery. Emerging technologies, including standardized mechanical dissociation and microfluidic disruption, may provide greater control over mitochondrial release, but require broader validation across tissues and sample volumes. A persistent challenge across isolation workflows is balancing mitochondrial recovery with preservation of organelle integrity and function. Future progress will require standardized, scalable isolation strategies that consistently preserve mitochondrial quality across different biological sources and downstream applications. Continued refinement of these approaches will be essential for advancing mitochondrial research and supporting the development of mitochondrial-based therapies.<\/jats:p>","DOI":"10.3389\/fphys.2026.1975105","type":"journal-article","created":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T11:48:39Z","timestamp":1791287319000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Rethinking mitochondrial isolation for the next generation of mitochondrial therapies"],"prefix":"10.3389","volume":"17","author":[{"given":"Ethan A.","family":"Simpson","sequence":"first","affiliation":[{"name":"Department of Laboratory Medicine and Pathology, University of Alberta","place":["Edmonton, AB, Canada"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Celina","family":"Phan","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine and Pathology, University of Alberta","place":["Edmonton, AB, Canada"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason P.","family":"Acker","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine and Pathology, University of Alberta","place":["Edmonton, AB, Canada"]},{"name":"Department of Biomedical Engineering, University of Alberta","place":["Edmonton, AB, Canada"]},{"name":"Canadian Blood Services Innovation, Canadian Blood Services","place":["Edmonton, AB, Canada"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,10,6]]},"reference":[{"key":"B1","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1007\/978-1-0716-3247-5_7","article-title":"Isolation of mitochondria from mouse tissues for functional analysis","volume-title":"Metabolic Reprogramming","author":"Ac\u00edn-P\u00e9rez","year":"2023"},{"key":"B2","doi-asserted-by":"publisher","DOI":"10.1111\/jcmm.70370","article-title":"Hypotonic swelling method for the isolation of pure mitochondria from primary human skeletal myoblasts for proteomic studies","volume":"29","author":"Aksu\u2010Menges","year":"2025","journal-title":"J. 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