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Effects of Hydrogen Peroxide on Wound Healing in Mice in Relation to Oxidative Damage
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Effects of Hydrogen Peroxide on Wound Healing in Mice in Relation to Oxidative Damage
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Journal Article
Effects of Hydrogen Peroxide on Wound Healing in Mice in Relation to Oxidative Damage
2012
Overview
It has been established that low concentrations of hydrogen peroxide (H(2)O(2)) are produced in wounds and is required for optimal healing. Yet at the same time, there is evidence that excessive oxidative damage is correlated with poor-healing wounds. In this paper, we seek to determine whether topical application of H(2)O(2) can modulate wound healing and if its effects are related to oxidative damage. Using a C57BL/6 mice excision wound model, H(2)O(2) was found to enhance angiogenesis and wound closure at 10 mM but retarded wound closure at 166 mM. The delay in closure was also associated with decreased connective tissue formation, increased MMP-8 and persistent neutrophil infiltration. Wounding was found to increase oxidative lipid damage, as measured by F(2)-isoprostanes, and nitrative protein damage, as measured by 3-nitrotyrosine. However H(2)O(2) treatment did not significantly increase oxidative and nitrative damage even at concentrations that delay wound healing. Hence the detrimental effects of H(2)O(2) may not involve oxidative damage to the target molecules studied.
Publisher
Public Library of Science,Public Library of Science (PLoS)
Subject
/ Animals
/ Biology
/ Collagen
/ Connective Tissue - drug effects
/ Connective Tissue - pathology
/ Damage
/ Delay
/ Diabetes
/ Extracellular Signal-Regulated MAP Kinases - metabolism
/ Healing
/ Hydrogen
/ Hydrogen Peroxide - pharmacology
/ Lipid Peroxidation - drug effects
/ Lipids
/ Matrix Metalloproteinase 8 - metabolism
/ Medicine
/ Mice
/ Neutrophil Infiltration - drug effects
/ Oxidation-Reduction - drug effects
/ Oxidative Stress - drug effects
/ p38 Mitogen-Activated Protein Kinases - metabolism
/ Phosphorylation - drug effects
/ Protein Carbonylation - drug effects
/ Proteins
/ Rodents
/ Studies
/ Wound Healing - drug effects
/ Wounding
