Mitochondria-Enriched Extracellular Vesicles (EVs) for Cardiac Bioenergetics Restoration: A Scoping Review of Preclinical Mechanisms and Source-Specific Strategies

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Mitochondrial dysfunction is a pivotal contributor to cardiac disease progression, making it a critical target in regenerative interventions. Extracellular vesicles (EVs) have recently emerged as powerful mediators of mitochondrial transfer and cardiomyocyte repair. This review highlights recent advancements in EV bioengineering and their applications in cardiac mitochondrial rescue, with a particular focus on EVs derived from induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs). Drawing upon a growing body of preclinical evidence, we examine the mechanisms of mitochondrial content delivery, EV uptake dynamics, and comparative bioenergetic restoration outcomes across EV sources. Special emphasis is placed on therapeutic outcomes such as adenosine triphosphate (ATP) restoration, reactive oxygen species (ROS) modulation, and improvements in contractility and infarct size. The convergence of mitochondrial biology, stem cell-derived EV platforms, and engineering innovations positions mitochondria-enriched EVs as a promising non-cellular regenerative modality for cardiovascular disease.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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