The present study investigated the anti-inflammatory effects of dichloromethane extract of Auricularia auricula-judae. Dichloromethane extract of Auricularia auricula-judae inhibited Lipopolysaccharide (LPS) -induced nitric oxide (NO) production significantly in a dose-dependent manner in the concentration ≥10 μg/ml (p < 0.05) . Furthermore, RT-PCR results of this study indicated that the extract markedly reduced the expressions of inflammatory cytokines (IL-6, TNF-α and IL-1β) mRNA in LPS-treated murine RAW 264.7 macrophages, which could possibly ameliorate the inflammation. Nevertheless, dichloromethane extract of Auricularia auricula-judae did not show complete inhibition of IL-6 mRNA expression. The inhibition of IL-1β cytokine at protein level was also observed in a dose dependent manner. In conclusion,the current study revealed the previously unknown effect of dichloromethane ethyl extract of Auricularia auricula-judae inhibitions of the production of NO, IL-6, TNF-α and IL-1β in LPS-stimulated macrophages.
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| http://dx.doi.org/10.5487/TR.2011.27.1.011 | DOI Listing |
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