期刊
JOURNAL OF BIOTECHNOLOGY
卷 150, 期 4, 页码 530-538出版社
ELSEVIER
DOI: 10.1016/j.jbiotec.2010.10.003
关键词
Non-thermal atmospheric plasma; Apoptosis; Colorectal cancer; Growth arrest; beta-Catenin
资金
- Center of Excellence in Livestock Diseases and Human Health from the University of Tennessee
- CCRB through the Gyeonggi Provincial Government, Korea
Plasma is generated by ionizing neutral gas molecules, resulting in a mixture of energy particles, including electrons and ions. Recent progress in the understanding of non-thermal atmospheric plasma has led to applications in biomedicine. However, the exact molecular mechanisms involved in plasma-induced cell growth arrest are unclear. In this study, we investigated the feasibility of non-thermal atmospheric plasma treatment for cancer therapy and examined the mechanism by which plasma induces anti-proliferative properties and cell death in human colorectal cancer cells. Non-thermal atmospheric plasma induced cell growth arrest and induced apoptosis. In addition, plasma reduced cell migration and invasion activities. As a result, we found that plasma treatment to the cells increases beta-catenin phosphorylation. suggesting that beta-catenin degradation plays a role at least in part in plasma-induced anti-proliferative activity. Therefore, non-thermal atmospheric plasma constitutes a new biologic tool with the potential for therapeutic applications that modulate cell signaling and function. (C) 2010 Elsevier B.V. All rights reserved.
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