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Updated: May 30, 2026

Murine Excisional Wound Healing Model and Histological Morphometric Wound Analysis
Published on: August 21, 2020
Connexins, a new target in wound treatment
1Department of Cell and Developmental Biology, UCL, London, UK. andycky@doctors.org.uk
Abstract:
Wound healing is a complex process requiring interaction between different cell types, each playing their part within the four main phases of wound healing. This process requires careful regulation, with communication between the different cell types via gap junction channels, which allow the passage of small molecules, including ions and second messengers, between cells. Gap junction protein (connexin) expression changes with the different stages of wound healing, playing important roles in regulating the process. The field of research looking into intercellular communication via gap junctions in skin and wound healing has shown encouraging results in experimental studies. As further developments and clinical studies are being carried out, practitioners should be introduced to this field, as a promising new wound treatment is currently in clinical trials. This paper aims to introduce practitioners to this field of study with a review of current available literature.
Insights
Intercellular communication via gap junction channels is crucial for regulating wound healing. Research shows connexin expression changes during healing, offering promising new therapeutic strategies currently in clinical trials.
Area of Science:
- Cell Biology
- Dermatology
- Regenerative Medicine
Background:
- Wound healing involves complex cellular interactions across four distinct phases.
- Intercellular communication, particularly through gap junction channels, is vital for regulating this process.
- Gap junction proteins (connexins) exhibit dynamic expression patterns throughout wound healing stages.
Purpose of the Study:
- To review the current literature on intercellular communication via gap junctions in skin and wound healing.
- To introduce medical practitioners to the role of gap junctions in wound repair.
- To highlight the potential of targeting gap junctions for novel wound treatment strategies.
Main Methods:
- Literature review of experimental and clinical studies on gap junctions in wound healing.
- Analysis of connexin expression changes during different phases of the healing process.
- Synthesis of findings regarding the functional roles of gap junctions in cellular communication during repair.
Main Results:
- Gap junction channels facilitate the passage of essential molecules between cells, regulating healing.
- Connexin expression is significantly altered at various stages of wound healing.
- Experimental studies demonstrate the therapeutic potential of modulating gap junction activity.
Conclusions:
- Intercellular communication via gap junctions is a critical, yet often overlooked, component of effective wound healing.
- Targeting gap junction pathways represents a promising avenue for developing innovative wound care therapies.
- Further clinical research is warranted to translate these findings into effective patient treatments.
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