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Updated: Jun 16, 2026

Murine Excisional Wound Healing Model and Histological Morphometric Wound Analysis
06:36

Murine Excisional Wound Healing Model and Histological Morphometric Wound Analysis

Published on: August 21, 2020

A novel role for NKT cells in cutaneous wound repair

David F Schneider1, Jessica L Palmer, Julia M Tulley

  • 1The Department of Surgery, Burn and Shock Trauma Institute, Maywood, Illinois, USA.

The Journal of Surgical Research
|January 22, 2010
PubMed

Insights

Natural killer T (NKT) cells impact skin wound healing. Their absence accelerates initial wound closure by regulating inflammation and tissue repair factors, suggesting NKT cells as a therapeutic target.

Area of Science:

  • Immunology
  • Dermatology
  • Wound Healing Research

Background:

  • Natural killer T (NKT) cells are immune cells with diverse regulatory functions.
  • The role of NKT cells in the complex process of cutaneous wound repair remains largely unexplored.

Purpose of the Study:

  • To investigate the contribution of NKT cells to the cutaneous wound repair process.
  • To elucidate the specific mechanisms by which NKT cells influence early wound inflammation and tissue remodeling.

Main Methods:

  • Utilized an excisional wound model in wild-type and NKT cell-deficient mice.
  • Analyzed wound closure rates, inflammatory cell infiltration, chemokine production, TGF-β1 levels, and collagen deposition.

Main Results:

  • Absence of NKT cells markedly accelerated initial wound closure.
  • NKT cells were identified as significant constituents of early wound inflammation.
  • NKT cells regulate local production of neutrophil and monocyte/macrophage chemokines, TGF-β1, and collagen deposition.

Conclusions:

  • NKT cells play a regulatory role in the early inflammatory and fibroproliferative phases of nonpathologic wound healing.
  • Modulating NKT cell activity presents a potential therapeutic strategy for improving impaired wound healing.

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