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image of The Examination of the Effects of Exosomes Generated from Bone Marrow Mesenchymal Stem Cells on Wound Healing (In vitro Study)

Abstract

Introduction

Exosomes produced by mesenchymal stem cells (MSCs) have lately garnered significant attention for their capacity to enhance wound healing. Recent studies have recognized exosomes as significant secretory products from several cell types, specifically MSCs, in regulating multiple biological processes, including wound healing. This work aims to investigate the impact of exosomes derived from the bone marrow mesenchymal stem cells (BMMSCs) of NMRI animals on keratinocyte function.

Methods

Exosomes were extracted from BMMSCs using a flushing technique and afterwards cultivated. Stem cells were detected flow cytometry, while exosomes were isolated and purified through ultracentrifugation. The exosomes were analyzed using various techniques, including scanning electron microscopy (SEM), atomic force microscopy (AFM), transmission electron microscopy (TEM), and dynamic light scattering (DLS). The MTT assay and trypan blue staining were employed to assess the effect of exosomes on keratinocyte viability. A scratch assay was performed to evaluate cell migration after treatment with exosomes. Real-time PCR was employed to evaluate the expression of genes such as KGF, MMP3, VEGF, and TGF-β3.

Results

Keratinocytes exposed to 10 µg/mL of exosomes exhibited markedly enhanced viability relative to the control group. The group treated with exosomes had more cell migration compared to the control group. The therapy group had elevated expression levels of the KGF, MMP3, VEGF, and TGF-β3 genes.

Discussion

The experimental findings indicate that exosomes derived from BMMSCs enhance keratinocyte viability, proliferation, migration, and gene expression.

Conclusion

A comprehensive study of the factors affecting exosome generation, isolation, and mechanisms of action is crucial, as their potential use in wound healing facilitates the development of innovative and highly effective therapeutic strategies.

© 2025 Bentham Science Publishers
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2025-09-01
2026-01-11

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/content/journals/cscr/10.2174/011574888X385954250819085742
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The Examination of the Effects of Exosomes Generated from Bone Marrow Mesenchymal Stem Cells on Wound Healing (In vitro Study)
Bentham Science Publishers ; https://doi.org/10.2174/011574888X385954250819085742
/content/journals/cscr/10.2174/011574888X385954250819085742
/content/journals/cscr/10.2174/011574888X385954250819085742
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  • Article Type:     Research Article
Keywords: wound healing ; in vitro study ; Exosome ; regenerative medicine ; cell therapy ; mesenchymal stem cells ; regenerative factors ; gene expression ; keratinocyte

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