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- W2023153920 abstract "Background aims Mesenchymal stromal cells (MSCs) have been documented to improve delayed wound healing in diabetes, but the underlying mechanism remains obscure. We aimed to investigate whether the therapeutic effects on wounds was associated with metabolic alterations by paracrine action of MSCs. Methods MSCs from mice with high-fat diet/streptozotocin–induced diabetes or wild-type C57BL/6 mice were evaluated for their paracrine potential in vitro using enzyme-linked immunosorbent assay and immunohistochemical staining assay. MSCs were then evaluated for their therapeutic potential in vivo using an excisional cutaneous wound model in mice with diabetes. Metabolic alterations and glucose transporter four (GLUT4) as well as PI3K/Akt signaling pathway expression after wounding were also examined. Results MSCs from normal mice expressed even more insulin-like growth factor-1 (IGF-1) than mice with diabetes, suggesting putative paracrine action. Furthermore, compared with IGF-1 knockdown MSCs, normal MSCs markedly accelerated wound healing, as revealed by higher wound closure rate and better healing quality at 21 days post-wound. By contrast, MSCs administration increased the level of insulin as well as GLUT4 and PI3K/Akt signaling pathway expression but repressed the biochemical indexes of glucose and lipid, resulting in obvious metabolic improvement. Conclusions These findings suggest that IGF-1 is an important paracrine factor that mediates the therapeutic effects of MSCs on wound healing in diabetes, and the benefits of MSCs may be associated with metabolism improvements, which would provide a new target for treatment." @default.
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- W2023153920 date "2014-11-01" @default.
- W2023153920 modified "2023-10-14" @default.
- W2023153920 title "Mesenchymal stromal cells enhance wound healing by ameliorating impaired metabolism in diabetic mice" @default.
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- W2023153920 doi "https://doi.org/10.1016/j.jcyt.2014.05.014" @default.
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