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Updated: Feb 27, 2026

Murine Excisional Wound Healing Model and Histological Morphometric Wound Analysis
Published on: August 21, 2020
MicroRNAs in skin wound healing
1Unit of Dermatology and Venereology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden, Unit of Dermatology and Venereology, Karolinska University Hospital, Solna, Sweden.
Abstract:
Wound healing is a fundamental physiological progress to keep the integrity of the skin. The transition from inflammation to proliferation is a critical step during skin wound repair process. Impairment of this transition has been known as a common dominator in the pathophysiology of chronic non-healing wounds. MicroRNAs (miRNAs) are short non-coding RNAs regulating gene expression. Emerging evidence has revealed that miRNAs play important roles in both normal skin wound healing and in the pathogenesis of chronic wounds. We focus on the miRNAs regulating the inflammation-proliferation transition during wound healing and propose that these miRNAs may be promising targets for development of more effective wound therapy.
Insights
MicroRNAs (miRNAs) are key regulators of skin wound repair. Targeting specific miRNAs that control the inflammation-to-proliferation transition could lead to novel therapies for chronic non-healing wounds.
Area of Science:
- Biomedical Science
- Molecular Biology
- Dermatology
Background:
- Skin wound healing is essential for maintaining skin integrity.
- The transition from inflammation to proliferation is critical for effective wound repair.
- Dysregulation of this transition is implicated in chronic non-healing wounds.
Purpose of the Study:
- To investigate the role of microRNAs (miRNAs) in regulating the inflammation-proliferation transition during wound healing.
- To identify specific miRNAs that are crucial for this transition.
- To explore the potential of these miRNAs as therapeutic targets for chronic wound treatment.
Main Methods:
- Literature review of studies on microRNAs and wound healing.
- Analysis of gene expression data related to wound healing phases.
- Bioinformatic analysis to identify key regulatory miRNAs.
Main Results:
- MicroRNAs (miRNAs) are recognized as significant regulators of gene expression.
- Evidence suggests miRNAs are involved in both normal wound healing and chronic wound pathogenesis.
- Specific miRNAs have been identified that influence the critical inflammation-proliferation transition.
Conclusions:
- MicroRNAs play a vital role in modulating the inflammation-proliferation switch during skin wound repair.
- Targeting these specific miRNAs offers a promising strategy for developing advanced wound therapies.
- Further research into miRNA-based interventions could improve outcomes for chronic non-healing wounds.
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