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- W2017383536 abstract "Background Skin grafts are frequently used for a variety of indications in plastic and reconstructive surgery. Their necrosis is a common complication, while different therapies have been proposed. Currently, adipose-derived stem cells (ASCs) hold great promise for their angiogenic potential and role during tissue repair. In this study, autologous transplantation of ASCs was used in skin grafts in rats to determine if it increases angiogenesis, skin-graft survival and wound healing. Methods ASCs were isolated, cultured, labelled with fluorescent dye and injected under full-thickness skin grafts in 10 rats (group 1), while 10 others served as controls (group 2). Skin grafts were analysed after 1 week. Collagen’s framework was assessed with Masson’s trichrome stain and angiogenesis with von Willebrand factor (vWF) immunohistochemistry. In addition, immunohistochemical staining intensity of vascular endothelial growth factor (VEGF) and transforming growth factor b3 (TGFb3) was assessed in all grafts. Results Mean area of graft necrosis was significantly less in group 1 than in group 2 (6.12% vs. 32.62%, p < 0.01). Statistically significant increase of microvessel density, collagen density, VEGF and TGFb3 expression was noted in group 1 compared with group 2 (all: p < 0.01). Conclusions These findings suggest that autologous ASCs transplantation increases full-thickness skin-graft survival and shows promise for use in skin-graft surgery. This might be both due to in situ differentiation of ASCs into endothelial cells and increased secretion by ASCs of growth factors, such as VEGF and TGFb3 that enhance angiogenesis and wound healing." @default.
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- W2017383536 date "2011-12-01" @default.
- W2017383536 modified "2023-09-29" @default.
- W2017383536 title "Improvement of skin-graft survival after autologous transplantation of adipose-derived stem cells in rats" @default.
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- W2017383536 doi "https://doi.org/10.1016/j.bjps.2011.07.009" @default.
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