Chitosan Hydrogel Dressing Loaded With Adipose Mesenchymal Stem Cell-Derived Exosomes Promotes Skin Full-Thickness Wound Repair

    February 2024 in “ ACS applied bio materials ”
    Di Wu, Suwan Tao, Lian Zhu, Chenchen Zhao, Na Xu
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    Studysummary In a rat skin wound model, this study observed that a composite dressing using chitosan hydrogel and exosomes derived from adipose mesenchymal stem cells enhanced wound healing by promoting collagen deposition, angiogenesis, and regeneration of hair follicle structures. Our plain-language summary of this paper — not a Tressless recommendation.
    The study investigates a composite wound dressing (Exo/Gel) made from chitosan hydrogel and adipose mesenchymal stem cell-derived exosomes (ADMSC–Exo) to enhance full-thickness skin wound repair. The Exo/Gel dressing facilitates slow release of exosomes as the hydrogel degrades, promoting cell migration and angiogenesis in vitro. In a rat skin wound model, the dressing improved collagen deposition, angiogenesis, and hair follicle regeneration, demonstrating its potential to accelerate skin wound healing and offering a promising strategy for developing advanced wound dressings.
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