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N2 non-thermal atmospheric pressure plasma promotes wound healing in vitro and in vivo: Potential modulation of adhesion molecules and matrix metalloproteinase-9

Kang, SU  | Choi, JW | Chang, JW | Kim, KI | Kim, YS | Park, JK | Kim, YE | Lee, YS  | Yang, SS | Kim, CH
Experimental dermatology, 26(2). : 163-170, 2017
Journal Title
Experimental dermatology
Advances in physics and biology have made it possible to apply non-thermal atmospheric pressure plasma (NTP) in the biomedical field. Although accumulating evidence suggests that NTP has various medicinal effects, such as facilitating skin wound healing on exposed tissue while minimizing undesirable tissue damage, the underlying molecular mechanisms are not fully understood. In this study, NTP generated from N2 optimized wound healing in the scratch wound healing assay. In addition, matrix metalloproteinase (MMP)-9 expression and enzyme activity increased and the urokinase-type plasminogen activator (uPA) system was activated after NTP treatment. We also showed that NTP treatment increased Slug and TCF8/ZEB1 expression and decreased that of E-cadherin, suggesting induction of the epithelial-to-mesenchymal transition (EMT). The effect of N2 NTP was verified on rat wound model. Taken together, these results suggest that N2 NTP promotes wound healing by inducing the EMT and activating the MMP-9/uPA system. These findings show the therapeutic potential of NTP for skin wound healing.

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Journal Papers > School of Medicine / Graduate School of Medicine > Otolaryngology
Ajou Authors
강, 성운  |  김, 철호  |  이, 윤상
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