Exploring the Efficacy of Catha Edulis Extract-Loaded Nanofibrous Scaffolds Seeded with Bone Marrow-Derived Stem Cells for Diabetic Wound Healing: A Preclinical Investigation
JOURNAL OF BIOACTIVE AND COMPATIBLE POLYMERS（2024）
Henan Univ Chinese Med
Abstract
Objectives: The aim of this study was to investigate the potential of incorporating catha edulis extract into polycaprolacton/gelatin scaffolds using electrospinning technique for the treatment of diabetic wounds in a rat model.Methods: The in vitro characterization of the scaffolds was performed using various assays, including anti-inflammatory assay, microstructure study, DPPH radical scavenging assay, cell viability assay, hemocompatibility assay, and bacterial penetration assays. The scaffolds were then seeded with bone marrow-derived stem cells and cultured before implantation into the rat model.Results: The results of the in vitro study showed that the produced scaffolds were nanofibrous, antioxidative, and non-toxic to skin cells. In vivo study demonstrated that the stem cell and catha edulis extract-loaded scaffolds had the highest rate of wound closure and histomorphometric parameters compared to other groups. Moreover, gene expression studies showed that the developed wound dressings increased the expression of VEGF gene and reduced the expression of glutathione peroxidase gene.Conclusion: These findings suggest that the catha edulis extract-loaded polycaprolacton/gelatin scaffolds could be a promising therapeutic option for diabetic wounds.
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Key words
Wound healing,stem cells,nanotechnology,nanofibers,diabetic wound
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