期刊
APPLIED PHYSICS LETTERS
卷 98, 期 7, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3555434
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资金
- National Research Foundation of Korea [KRF-2005-C00093, 313-2008-2-C00626]
We propose a plasma-jet device with a micrometer-sized nozzle array for use in a cancer therapy. Also, we show the biological effects of atmospheric-pressure plasma on living cells. Nitrogen-plasma activated a surrogate DNA damage signal transduction pathway, called the ataxia telangiectasia mutated (ATM)-checkpoint kinase 2 pathway, suggesting that the nitrogen-plasma generates DNA double-strand breaks. Phosphorylation of H2AX and p53 was detected in the plasma-treated cells, leading to apoptotic cell death. Thus, an effect for the nitrogen plasma in the control of apoptotic cell death provides insight into the how biological effects of the nitrogen-plasma can be applied to the control of cell survival, a finding with potential therapeutic implications. (C) 2011 American Institute of Physics. [doi:10.1063/1.3555434]
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