Mesenchymal stromal cell-mediated mitochondrial transfer unveils new frontiers in disease therapy

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 factor in the progression of various diseases, making it a critical therapeutic target. Mesenchymal stromal cells (MSCs) have shown promise in mitigating this dysfunction through the transfer of healthy mitochondria to damaged cells. This review comprehensively analyzes the mechanisms of MSC-derived mitochondrial transfer, including tunneling nanotubes (TNTs) and extracellular vesicles, and highlights their therapeutic potential across a spectrum of diseases, such as neurodegenerative disorders, ocular diseases, and inflammatory conditions. Additionally, strategies to enhance mitochondrial transfer efficiency-such as genetic modifications and optimization of MSC sources-are thoroughly explored. Despite these promising findings, challenges remain, including the need for a deeper understanding of transfer mechanisms, ensuring the quality and functionality of transferred mitochondria, and addressing potential immune responses. While MSC-derived mitochondrial transfer holds significant therapeutic potential, careful consideration of its dual nature, especially in specific pathological contexts such as cancer, is essential. With further research and technological advancements, this approach could become a cornerstone in the treatment of diseases characterized by mitochondrial dysfunction.

Evidence level

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

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