Therapeutic transplantation of mitochondria and Extracellular Vesicles: Mechanistic insights into mitochondria bioenergetics, redox signaling, and organelle dynamics in preclinical models

Jun 26, 2025Free radical biology & medicine

Therapeutic Transplantation of Mitochondria and Cell Particles: Insights into Energy Production, Redox Signals, and Organelle Behavior in Preclinical Models

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Abstract

A systematic analysis of 123 animal studies showed consistent benefits of mitochondrial and extracellular vesicle (EV) transplantation in various conditions.

Mitochondrial transfer improved organ function and increased survival rates across multiple disease models.
Benefits included reduced inflammation and apoptosis, suggesting a protective effect against cell damage.
Mechanistically, mitochondrial transfer restored energy production and improved cellular health through specific biochemical pathways.
EVs exhibited similar therapeutic effects, indicating they may serve as a targeted treatment option.
Safety and feasibility have been demonstrated in preclinical studies, though variability in methods and limited human data may restrict broader application.

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Mitochondrial and extracellular vesicles (EV) transplantation have emerged as promising therapeutic strategies targeting mitochondrial dysfunction, a central feature of numerous pathologies. This review synthesizes preclinical data on artificial mitochondrial and EV transfer, emphasizing their therapeutic potential and underlying mechanisms. A systematic analysis of 123 animal studies revealed consistent benefits across diverse models, including ischemia-reperfusion injury (IRI), neurological disorders, drug-induced toxicities, and sepsis. Mitochondrial transfer improved organ function, reduced inflammation and apoptosis, and enhanced survival. Mechanistic insights revealed restored bioenergetics, increased oxidative phosphorylation, redox balance through activation of specific pathways, and modulation of mitochondrial dynamics via fusion/fission proteins. Mitochondrial homeostasis was supported through elevated mitophagy and biogenesis, alongside the preservation of mitochondrial-associated membranes. EV demonstrated similar effects, offering a potentially more targeted therapeutic alternative. Although pre-clinical studies have demonstrated safety and feasibility, broader application is limited by variability in isolation methods, lack of mechanistic clarity, and minimal human data. Standardization and mechanistic validation are critical to advance clinical translation. This review underscores the therapeutic promise of mitochondrial and EV transfer while highlighting the need for continued research to refine these interventions and unlock their full potential in regenerative medicine.

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Therapeutic transplantation of mitochondria and Extracellular Vesicles: Mechanistic insights into mitochondria bioenergetics, redox signaling, and organelle dynamics in preclinical models

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