ArticleStem cell research & therapy2026
NAMPT overexpression enhances the regenerative potential of mesenchymal stromal cell-derived extracellular vesicles in experimental AKI.
Article in Stem cell research & therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Acute kidney injury (AKI) is a serious condition marked by a rapid decline in renal function, often leading to long-term complications. Mesenchymal stromal cells (MSCs) and their derivatives, including conditioned medium (CM) and extracellular vesicles (EVs), show promise as regenerative therapies. However, the comparative efficacy of CM and EVs and the development of clinically translatable interventions remains underexplored. This study systematically compared the renoprotective effects of CM and EVs derived from human umbilical cord MSCs in a murine cisplatin-induced AKI model, using a therapeutically feasible dose. Both treatments improved renal function, reduced histological damage, preserved mitochondrial integrity, energy metabolism, and antioxidant response. Notably, EVs induced the greatest proliferative response in renal tubular cells. To further enhance the regenerative potential of EVs, we engineered MSCs to overexpress nicotinamide phosphoribosyltransferase (NAMPT), a metabolic enzyme that plays a key role in NAD
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