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KMID : 1123920080220030678
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Korean Journal of Oriental Physiology and Pathology
2008 Volume.22 No. 3 p.678 ~ p.683
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Inhibition of Lipopolysaccharide-Induced Expression of Inducible Nitric Oxide and Cyclooxygenase-2 by Aquaous of Aconitum pseudo-laeve var. erectum in RAW 264.7 Macrophages
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Han Myung-Soo
Lee Jae-Hyo
Kim E-Hwa
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Abstract
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Aconitum pseudo-laeve var. erectum has traditionally been used for the treatment of water retention in the body. Administration of the aqueous extract of Aconitum pseudo-laeve var. erectum has the efficiency of anti-inflammatory activity and modulates the intestinal immune system. However, the mechanism of anti-inflammatory action of Aconitum pseudo-laeve var. erectum has not been clarified yet. In the present study, the effect of Aconitum pseudo-laeve var. erectum against LPS-stimulated expressions of COX-2 and iNOS in cells of the murine RAW 264.7 macrophages was investigated using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, reverse transcription- polymerase chain reaction (RT-PCR), PGE2 immunoassay, and NO detection. The results of the present study indicate that Aconitum pseudo-laeve var. erectum is a potent inhibitor of the LPS-induced NO and production by blocking iNOS and activation in RAW 264.7 macrophages. These findings suggest that Aconitum pseudo-laeve var. erectum is a potential therapeutic for the treatment of inflammatory syndrome.
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KEYWORD
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Aconitum pseudo-laeve var. erectum, Anti-inflammation, iNOS
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