Abstract
Objectives : This study is to investigate the anti-inflammatory and anti-oxidant effects of Tongbi-san extract (TS) on RAW264.7 macrophages using by cell cytotoxicity, Nitric Oxide (NO) and Prostaglandin <TEX>$E_2$</TEX> (<TEX>$PGE_2$</TEX>) production and 1,1-diphenyl-2-picryl ghdrazyl (DPPH) free radical scavenging capability. Methods : Cell cytotoxicity was measured by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The production of NO was measured by Griess assay. The production of <TEX>$PGE_2$</TEX> was measured by immunoassay. And the anti-oxidant activity was measured by the DPPH method. Results : TS did not increased significantly compared to the TS untreated group in the cell cytotoxicity. TS inhibited NO and <TEX>$PGE_2$</TEX> production in lipopolysaccharide-stimulated RAW 264.7 cells. TS had the DPPH free radical scavenging capability. Conclusion : The anti-inflammtory and anti-oxidant effects of TS may be use for a treatment of anti-inflammatory diseases.
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