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Objectives : The aim of this study is to investigate cell viability, anti-inflammatory, antioxidant, immunoenhancing activity using various extracts of Yeonsan Ogye. Methods : In order to evaluate cytotoxicity, MTT assay was performed. We investigated production levels of pro-inflammatory cytokines such as tumor necrosis factor (TNF)-α and interleukin (IL)-6, and nitric oxide(NO) in LPS-induced RAW 264.7 cells. NO production in RAW 264.7 cells was measured by using Griess reagent. Cytokines including IL-6 and TNF-α were measured by Luminex and ROS was measured by Flow cytometry. Results : No cytotoxicity of various extracts of Yeonsan Ogye was observed in RAW 264.7 cells. Productions of ROS in RAW 264.7 cells were increased from extraction of bones and decreased from extraction of skin. Also, productions of NO in RAW 264.7 cells were increased to bone extract and decreased at skin extract. In addition, productions of pro-inflammatory cytokines (IL-6 and TNF-α) in LPS-induced RAW 264.7 cells were decreased at skin, meat extracts, respectively. Finally, the levels of immune-related cytokines (IL-6 and TNFα) were increased compared to those of the normal group. Conclusions : It is concluded that Yeonsan Ogye extracts seem to have significant biological activities likes anti-inflammatory, antioxidant, immuno-enhancing etc. These results may be developed as a raw material for new health food and new therapeutics to ease the symptoms related with inflammatory and oxidative stress. In terms of oriental traditional medicine, we expect that it contribute to building of EBM (Evidence-Based Medicine) from the this result.

The Study on Biological Activities of Yeonsan Ogye listed on Dong-ui-bo-gam