PMID- 22145773 OWN - NLM STAT- MEDLINE DCOM- 20120405 LR - 20240109 IS - 1557-7600 (Electronic) IS - 1096-620X (Linking) VI - 14 IP - 12 DP - 2011 Dec TI - A polysaccharide isolated from Ecklonia cava fermented by Lactobacillus brevis inhibits the inflammatory response by suppressing the activation of nuclear factor-kappaB in lipopolysaccharide-induced RAW 264.7 macrophages. PG - 1546-53 LID - 10.1089/jmf.2010.1562 [doi] AB - We previously reported that the increment of carbohydrate content in the Viscozyme((R)) L (Novozyme Corp., Oklahoma City, OK, USA) extract of Lactobacillus brevis-fermented Ecklonia cava affected the inhibition of nitric oxide (NO) production and that it might be related to the polysaccharide compound. However, there is no report of anti-inflammatory effects of the polysaccharide or its biological mechanism. Here, we investigated the anti-inflammatory effects of the polysaccharide and its biological mechanism in lipopolysaccharide (LPS)-activated RAW 264.7 cells. The polysaccharide isolated from the Viscozyme extract of L. brevis-fermented E. cava (VLFEP) dose-dependently decreased LPS-stimulated NO production without cytotoxicity. Also, VLFEP significantly decreased the production of prostaglandin E(2) (PGE(2)) at the 100 mug/mL concentration. In addition, VLFEP dose-dependently decreased the protein and mRNA expressions of inducible NO synthase, whereas it slightly decreased those of cyclooxygenase 2 and only at the 100 mug/mL concentration. Moreover, VLEFP dose-dependently decreased the productions and/or mRNA expressions of tumor necrosis factor-alpha and interleukin-6, compared with those of LPS only-stimulated cells. In further experiments, VLFEP considerably reduced the phosphorylation and degradation of inhibitory kappaB as well as the translocation of nuclear transcription factor-kappaB (NF-kappaB) p65 into the nucleus, and its DNA binding was markedly induced by LPS stimulation. This study suggests that VLFEP exerts anti-inflammatory effects by down-regulating the production and expression of pro-inflammatory cytokines and mediators via inhibiting the NF-kappaB pathway in LPS-stimulated RAW 264.7 cells. FAU - Lee, Won-Woo AU - Lee WW AD - Department of Marine Life Science, Jeju National University, Jeju, Korea. FAU - Ahn, Ginnae AU - Ahn G FAU - Arachchillage, Janaka Priyalal Wijesinghe AU - Arachchillage JP FAU - Kim, Young Mog AU - Kim YM FAU - Kim, Se-Kwon AU - Kim SK FAU - Lee, Bae-Jin AU - Lee BJ FAU - Jeon, You-Jin AU - Jeon YJ LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - United States TA - J Med Food JT - Journal of medicinal food JID - 9812512 RN - 0 (Anti-Inflammatory Agents) RN - 0 (Interleukin-6) RN - 0 (Lipopolysaccharides) RN - 0 (NF-kappa B) RN - 0 (Polysaccharides) RN - 0 (RNA, Messenger) RN - 0 (Tumor Necrosis Factor-alpha) RN - 31C4KY9ESH (Nitric Oxide) RN - EC 1.14.13.39 (Nitric Oxide Synthase Type II) RN - EC 1.14.13.39 (Nos2 protein, mouse) RN - EC 1.14.99.- (Ptgs2 protein, mouse) RN - EC 1.14.99.1 (Cyclooxygenase 2) SB - IM EIN - J Med Food. 2012 Feb;15(2):222 MH - Animals MH - Anti-Inflammatory Agents/pharmacology MH - Cell Line MH - Cyclooxygenase 2/drug effects/genetics/metabolism MH - Down-Regulation/drug effects MH - Fermentation MH - Interleukin-6/antagonists & inhibitors/genetics/metabolism MH - Levilactobacillus brevis/*metabolism MH - Lipopolysaccharides/metabolism MH - Macrophages/*drug effects/metabolism MH - Mice MH - NF-kappa B/*antagonists & inhibitors/genetics/metabolism MH - Nitric Oxide/metabolism MH - Nitric Oxide Synthase Type II/antagonists & inhibitors/genetics/metabolism MH - Phaeophyceae/*chemistry MH - Phosphorylation/drug effects MH - Polysaccharides/*isolation & purification/*pharmacology MH - RNA, Messenger/genetics/metabolism MH - Signal Transduction MH - Tumor Necrosis Factor-alpha/antagonists & inhibitors/biosynthesis/genetics EDAT- 2011/12/08 06:00 MHDA- 2012/04/06 06:00 CRDT- 2011/12/08 06:00 PHST- 2011/12/08 06:00 [entrez] PHST- 2011/12/08 06:00 [pubmed] PHST- 2012/04/06 06:00 [medline] AID - 10.1089/jmf.2010.1562 [doi] PST - ppublish SO - J Med Food. 2011 Dec;14(12):1546-53. doi: 10.1089/jmf.2010.1562.