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- W2324884169 abstract "The process of skin wound healing is delayed or impaired in aging animals. To investigate the possible role of mitochondrial reactive oxygen species (mtROS) in cutaneous wound healing of aged mice, we have applied the mitochondria-targeted antioxidant SkQ1. The SkQ1 treatment resulted in accelerated resolution of the inflammatory phase, formation of granulation tissue, vascularization and epithelization of the wounds. The wounds of SkQ1-treated mice contained increased amount of myofibroblasts which produce extracellular matrix proteins and growth factors mediating granulation tissue formation. This effect resembled SkQ1-induced differentiation of fibroblasts to myofibroblast, observed earlierin vitro. The Transforming Growth Factor beta (TGFb) produced by SkQ1-treated fibroblasts was found to stimulated motility of endothelial cells in vitro, an effect which may underlie pro-angiogenic action of SkQ1 in the wounds. In vitro experiments showed that SkQ1 prevented decomposition of VE-cadherin containing contacts and following increase in permeability of endothelial cells monolayer, induced by pro-inflammatory cytokine TNF. Prevention of excessive reaction of endothelium to the pro-inflammatory cytokine(s) might account for anti-inflammatory effect of SkQ1. Our findings point to an important role of mtROS in pathogenesis of age-related chronic wounds." @default.
- W2324884169 created "2016-06-24" @default.
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- W2324884169 date "2015-06-30" @default.
- W2324884169 modified "2023-10-01" @default.
- W2324884169 title "Mitochondria-targeted antioxidant SkQ1 improves impaired dermal wound healing in old mice" @default.
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- W2324884169 doi "https://doi.org/10.18632/aging.100772" @default.
- W2324884169 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4543037" @default.
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