Abstract
Accelerating wound healing is a crucial objective in surgical and regenerative medicine. The wound healing process involves three key stages: inflammation, cell proliferation, and tissue repair. Mesenchymal stem cells (MSCs) have demonstrated significant therapeutic potential in promoting tissue regeneration, particularly by enhancing epidermal cell migration and proliferation. However, the precise molecular mechanisms underlying MSC-mediated wound healing remain unclear. This review highlights the pivotal role of MSCs and their exosomes in wound repair, with a specific focus on critical signaling pathways, including PI3K/Akt, WNT/β-catenin, Notch, and MAPK. These pathways regulate essential cellular processes such as proliferation, differentiation, and angiogenesis. Moreover, in vitro and in vivo studies reveal that MSCs accelerate wound closure, enhance collagen deposition, and modulate immune responses, contributing to improved tissue regeneration. Understanding these mechanisms provides valuable insights into MSC-based therapeutic strategies for enhancing wound healing.
Graphical abstract
Effects of mesenchymal stem cell and its derived-exosome treatment on skin regeneration and tissue repair via activation of different signaling pathways





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Abbreviations
- MSC:
-
Mesenchymal stem cell
- Exo:
-
Exosome
- EC:
-
Endothelial cell
- PI3K:
-
Phosphatidylinositol 3-kinase
- HypADSCs-exo:
-
Hypoxic adipose stem cells exosomes
- p-AKT:
-
Phosphorylated AKT
- p-eNOS:
-
Phosphorylated eNOS
- HG:
-
High glucose
- NO:
-
Nitric oxide
- RM:
-
Rapamycin
- SMV:
-
Simvastatin
- RI:
-
Ribonuclease inhibitor
- siRNA:
-
Small Interfering RNA
- GSK-3β:
-
Glycogen synthase kinase 3β
- H/R:
-
Hypoxia/Reoxygenation
- PIP2:
-
Phosphatidylinositol P2
- A375:
-
Malignant melanoma cell line
- ECM:
-
Extracellular matrix
- EPSC:
-
Epidermal stem cell
- HNSCC:
-
Head and neck squamous cell carcinoma
- MK2:
-
P38MAPK/MAPKAP Kinase 2
- PCNA:
-
Proliferating cell nuclear antigen
- FDMSC:
-
Fetal dermal mesenchymal stem cells
- ADF:
-
Adult dermal fibroblast
- DAPT:
-
Dual antiplatelet treatment
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Kananivand, M., Nouri, F., Yousefi, M.H. et al. Mesenchymal stem cells and their exosomes: a novel approach to skin regeneration via signaling pathways activation. J Mol Histol 56, 132 (2025). https://doi.org/10.1007/s10735-025-10394-7
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DOI: https://doi.org/10.1007/s10735-025-10394-7