Argon Mitigates Impaired Wound Healing Process and Enhances Wound Healing In Vitro and In Vivo

Theranostics
Jiaolin NingDaqing Ma

Abstract

Diabetic foot ulcers are associated with significant morbidity and mortality, and current treatments are far from optimal. Chronic wounds in diabetes are characterised by impaired angiogenesis, leukocyte function, fibroblast proliferation, and keratinocyte migration and proliferation. Methods: We tested the effect of exposure to argon gas on endothelial cell, fibroblast, macrophage and keratinocyte cell cultures in vitro and in vivo of a streptozotocin-induced diabetic mouse model. Results: Exposure to normobaric argon gas promotes multiple steps of the wound healing process. Argon accelerated angiogenesis, associated with upregulation of pro-angiogenic Angiopoietin-1 and vascular endothelial growth factor (VEGF) signalling in vitro and in vivo. Treatment with argon enhanced expression of transforming growth factor (TGF)-β, early recruitment of macrophages and keratinocyte proliferation. Argon had a pro-survival effect, inducing expression of cytoprotective mediators B-cell lymphoma 2 and heme oxygenase 1. Argon was able to accelerate wound closure in a diabetic mouse model. Conclusion: Together these findings indicate that argon gas may be a promising candidate for clinical use in treatment of diabetic ulcers.

Citations

Jan 25, 2020·Advanced Healthcare Materials·Zejun XuJun Wu
Mar 11, 2020·Cell Communication and Signaling : CCS·Yi-Fan ShenJing-Feng Li
Nov 23, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Fei YangYunping Tang
Jul 4, 2020·Current Diabetes Reviews·Kuldeep B PawarAtul A Deshmukh

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Methods Mentioned

BETA
amputation
Protein Assay
electrophoresis

Software Mentioned

ARRIVE
GeneSnap
GeneTools
Image J
ImageJ
Zeiss KS - 300

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