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Updated: Apr 6, 2026
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Development of a Benchtop Model for Evaluating the Compatibility of Wound Dressing Materials with Negative Pressure Wound Therapy Systems
Published on: May 2, 2025
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Hydrocellular foam dressing increases the leptin level in wound fluid.
Sawako Yoshino1, Gojiro Nakagami2, Tomomi Ohira3
1Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan.
Summary
Hydrocellular foam dressing (HCF) enhances wound healing by increasing leptin levels in wound fluid, promoting fibroblast proliferation and wound contraction. This study clarifies HCF
Area of Science:
- Wound Healing Research
- Biomaterials Science
- Cellular Biology
Background:
- Hydrocellular foam dressings (HCF) manage wound exudate and maintain a moist healing environment.
- The precise molecular mechanisms of HCF's impact on wound fluid composition and healing remain unclear.
Purpose of the Study:
- To investigate the effect of HCF on wound healing and its regulatory mechanisms.
- To analyze changes in cytokine levels within wound fluid after HCF treatment.
Main Methods:
- Full-thickness skin wounds were created in rats, and wound fluid was collected.
- Wound fluid was incubated with HCF, then analyzed for cytokine changes using cytokine arrays and ELISA.
- Rat models and human dermal fibroblast cultures assessed the impact of altered wound fluid components on healing.
Main Results:
- HCF treatment led to increased leptin levels in wound fluid.
- Fibroblast proliferation was enhanced by HCF, an effect inhibited by a leptin antagonist.
- In vivo, HCF improved wound contraction, an effect reduced by the leptin antagonist.
Conclusions:
- HCF promotes wound healing by upregulating dermal fibroblast proliferation via increased leptin levels at the wound surface.
- This study elucidates key mechanisms of HCF-mediated wound healing, highlighting the role of leptin.
