A Composite of Hepatocyte Growth Factor- and 5α-Dihydrotestosterone-Gelatin Microspheres with Adipose-Derived Stem Cells Enhances Wound Healing.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Introduction Reconstructing sebaceous glands is one goal of functionally healing patients who have suffered severe burns, instead of the simple pursuit of wound closure. Effective regeneration of skin appendages remains a challenge in skin wound management and research. Objective The aim of this study was to evaluate the differentiation of adipose-derived stem cells (ADSCs) into sebaceous glands and clarified the involvement of hepatocyte growth factor (HGF) and 5α-dihydrotestosterone (5α-DHT) in this process. Methods This study used HGF- and 5α-DHT-gelatin microspheres to treat human ADSCs and investigated the reconstruction of sebaceous glands. HGF- and 5α-DHT-gelatin microspheres were constructed using microcapsule slow-release technology. A mice full-thickness skin-wound model was established to evaluate wound healing, and hematoxylin-eosin staining was utilized to determine the skin structure. Results In vitro analyses found that HGF- and 5α-DHT-gelatin microspheres promoted migration of and tube formation by ADSCs. Furthermore, AKT/ERK signaling, which is related to sebocyte and sweat gland epithelial-cell growth, was activated after HGF and 5α-DHT treatment. An in vivo wound healing model demonstrated that ADSCs primed with amnion-loaded HGF- and 5α-DHT-gelatin microspheres promoted wound healing and increased sebaceous gland formation compared to the control group. Conc

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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