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KMID : 1129720110280010061
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Korean Journal of Acupuncture
2011 Volume.28 No. 1 p.61 ~ p.69
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Effects of White Ginseng-Ejung-tang Acupuncture Solution on Nitric Oxide and Hydrogen Peroxide Production in LPS-induced Mouse Macrophages
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Lee Ji-Young
Kim Young-Jin
Park Wan-Su
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Abstract
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Objectives:The purpose of this study is to investigate effects of White Ginseng-Ejung-tang acupuncture solution (EJ) on nitric oxide (NO) and of hydrogen peroxide production in RAW 264.7 mouse macrophages stimulated by lipopolysaccharide (LPS).
Methods:Cell viability was measured by modified MTT assay. NO production was measured by Griess reagent assay. Hydrogen peroxide production was measured by dihydrorhodamine 123 (DHR) assay. Significant differences were examined by using a Student’s t-test.
Results:The results of the experiment are as follows. 1. EJ did not show cell toxicity against RAW 264.7 cells for 24 hr incubation at the concentrations of up to 200㎍/mL in RAW 264.7 cells. 2. EJ significantly inhibited NO production for 24 hr incubation in RAW 264.7 cells (p <0.05). 3. EJ significantly inhibited the LPS-induced production of NO for 24 hr incubation in RAW 264.7 cells (p <0.05). 4. EJ significantly inhibited the LPS-induced production of hydrogen peroxide for 16, 24, 40, 48, 64, and 72 hr incubation in RAW 264.7 cells (p <0.05).
Conclusions : These results suggest that EJ has an anti-inflammtory property related with its inhibition of NO and hydrogen peroxide production in LPS-induced macrophages.
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KEYWORD
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Ejung-tang, Macrophage, Inflammation, Nitric oxide, Hydrogen peroxide
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