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Title: Methanol extract of Evodia lepta displays Syk/Src-targeted anti-inflammatory activity. Author: Yoon JY, Jeong HY, Kim SH, Kim HG, Nam G, Kim JP, Yoon DH, Hwang H, Kimc TW, Hong S, Cho JY. Journal: J Ethnopharmacol; 2013 Jul 30; 148(3):999-1007. PubMed ID: 23747536. Abstract: ETHNOPHARMACOLOGICAL RELEVANCE: Evodia lepta (Spreng.) Merr., in the Rutaceae family, is a medicinal plant traditionally used to treat inflammatory symptoms such as in meningitis and hepatitis. However, no study has systematically investigated its anti-inflammatory activities including its molecular mechanism. MATERIALS AND METHODS: The effects of a methanol extract from the roots Evodia lepta (El-ME) were evaluated using lipopolysaccharide (LPS)-treated RAW264.7 cells producing nitric oxide (NO) and prostaglandin E2 (PGE2), and an HCl/ethanol-induced mouse gastritis model. Target molecules were identified by analyzing the activation of transcription factors and their upstream kinases. RESULTS: El-ME reduced the production of NO and PGE2 from LPS-activated RAW264.7 cells in a dose-dependent manner. El-ME also ameliorated the gastritis symptoms of EtOH/HCl-treated mice. The extract suppressed production of mRNA for the inducible NO synthase (iNOS) and cyclooxygenase (COX)-2; the nuclear translocation of nuclear factor (NF)-κB; the phosphorylation of upstream kinases that activate NF-κB; and the kinase activities of Syk and Src. CONCLUSION: The anti-inflammatory effects of El-ME might be due to its suppression of Syk/Src and NF-κB. Considering the in vitro and in vivo efficacy of El-ME, Evodia lepta could be developed into an anti-inflammatory herbal remedy.[Abstract] [Full Text] [Related] [New Search]