Cross-organ protection of MSC-derived extracellular vesicles in ischemia-reperfusion injury: angiogenic synergy in kidney, brain, and heart

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)

Ischemia-reperfusion injury, marked by transient blood flow disruption followed by tissue reperfusion, constitutes a unifying pathological mechanism across cerebral stroke, myocardial infarction, and acute kidney injury. Hypoxia, a central driver of ischemia-reperfusion injury progression, triggers molecular cascades that simultaneously exacerbate tissue damage and activate compensatory repair mechanisms. Notably, hypoxia-induced angiogenesis and vascular remodeling serve as critical adaptive processes for functional recovery, supporting neuronal plasticity in stroke, myocardial salvage in infarction, and tubular regeneration in renal ischemia-reperfusion injury. While these conditions exhibit organ-specific manifestations, emerging studies underscore conserved regulatory frameworks mediated by extracellular vesicles (EVs) and their molecular cargoes, which orchestrate cross-organ protective responses. In this context, mesenchymal stem cell (MSC)-derived EVs have emerged as potent therapeutic agents for mitigating ischemia-reperfusion injury-related deficits, as evidenced by preclinical and clinical studies. These EVs act as bioactive nanocarriers, delivering cargos that modulate shared pathological pathways-particularly angiogenesis, a linchpin of post-ischemic tissue repair. Accumulating evidence highlights cargos within MSC-EVs (e.g., miRNAs, proteins) as master regulators o

Evidence level

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

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