MSC-EVs and UCB-EVs Promote Skin Wound Healing and Spatial Transcriptome Analysis

February 2025 in “ Scientific Reports ”

Ruonan Li, Haotian Wang, Xiaolong Wang, Yan-Bin Yang, Kai Zhong, Xuemei Zhang, Heping Li

TLDR MSC-EVs and UCB-EVs improve skin wound healing and reduce scarring.

This study demonstrates that mesenchymal stem cell-derived extracellular vesicles (MSC-EVs) and umbilical cord blood plasma-derived extracellular vesicles (UCB-EVs) significantly enhance skin wound healing and reduce scar formation. Using spatial transcriptomics, the research showed that these EVs promote the proliferation and migration of human dermal fibroblast-adult cells and accelerate re-epithelialization in mouse skin wounds. The study found that MSC-EVs and UCB-EVs modulate wound healing by decreasing the expression of the TGF-β signaling pathway and increasing the Wnt signaling pathway, leading to reduced myofibroblast activity and scar width. These findings suggest that MSC-EVs and UCB-EVs are promising agents for improving skin wound healing.

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