Abstract
Diabetes mellitus, as an important metabolic disorder, affects the health of millions of people worldwide. A diabetic wound is one of the complications of diabetes. The stem cell secretome can particularly affect the wound healing process in diabetic wounds. The present study aimed to investigate the effects of Adipose-derived stem cells (ASCs) secretome on the skin wound healing process, angiogenesis, and inflammation in diabetic rats. For this purpose, ASCs were extracted from Adipose tissue and confirmed by flow cytometry and cell differentiation. Secretome was prepared. 27 rats were divided into three groups, non-diabetic, diabetic (treated with phosphate-buffered saline), and diabetics treated with secretome. The levels of vascular endothelial growth factor (VEGF) and transforming growth factor-beta (TGF-β) were examined by the enzyme-linked immunosorbent assay (ELISA) was performed in the skin tissues of all groups. Hematoxylin and eosin (H&E) staining was performed. The level of VEGF was higher in the diabetic group treated with secretome as compared to the other two groups, while the level of TGF-β was lower in this group, compared to the diabetic group. Based on the results of H&E staining, the epidermal thickness and angiogenesis were higher in the diabetic group treated with secretome, whereas edema, number of inflammatory cells, and epidermal damage were lower in this group, compared to the diabetic group. Subcutaneous injection of secretome can lead to diabetic wound healing by increasing growth factors associated with angiogenesis such as VEGF, increasing angiogenesis, regulating TGF-β levels, reducing inflammatory cells.
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The data that support the findings of this study are available from the corresponding author, [S.H.H], upon reasonable request and with the permission of the publisher.
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The authors are grateful to Lorestan University for financial assistance.
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RI: Conducting experiments, statistic analysis, financing, writing and editing. SHH: Project administration, methodology, editing. SB: Methodology, editing, project consulting. We the undersigned declare that all authors have seen and approved the final version of the manuscript being submitted. We warrant that the article is the authors’ original work, has not published before and is not under consideration for publication elsewhere.
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Izadi, R., Hejazi, S.H. & Bahramikia, S. Alternative viewpoint against diabetic wound based on stem cell secretome that can mediated angiogenesis and reduce inflammation. Arch Dermatol Res 316, 28 (2024). https://doi.org/10.1007/s00403-023-02739-7
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DOI: https://doi.org/10.1007/s00403-023-02739-7