Lactobacillus helveticus SBT2171 Induces A20 Expression via Toll-Like Receptor 2 Signaling and Inhibits the Lipopolysaccharide-Induced Activation of Nuclear Factor-kappa B and Mitogen-Activated Protein Kinases in Peritoneal Macrophages

Lactobacillus helveticus SBT2171 Induces A20 Expression via Toll-Like Receptor 2 Signaling and Inhibits the Lipopolysaccharide-Induced Activation of Nuclear Factor-kappa B and Mitogen-Activated Protein Kinases in Peritoneal Macrophages Michio Kawano1, Masaya Miyoshi1 and Tadaaki Miyazaki2* 1Milk Science Research Institute, Megmilk Snow Brand Co. Ltd., Saitama, Japan 2Department of Probiotics Immunology, Institute for Genetic Medicine, Hokkaido University, Hokkaido, Japan Lactobacillus helveticus SBT2171 (LH2171) has been reported to ameliorate the development of autoimmune diseases, such as collagen-induced arthritis and experimental autoimmune encephalitis in mice and inhibit interleukin (IL)-6 production in antigen-presenting cells in vitro. Regulation of cytokine production by antigen-presenting cells might be critical for the anti-inflammatory function of LH2171 in autoimmune diseases. However, the mechanism and contributing components of LH2171-mediated inhibition of IL-6 production are unclear. Here, we examined the anti-inflammatory effects of LH2171 in lipopolysaccharide (LPS)-stimulated peritoneal macrophages, as a model of antigen-presenting cells, necessary for the pathogenesis of autoimmune diseases. LH2171 significantly reduced LPS-induced expression and secretion of IL-6 and IL-1β cytokines. It also inhibited activation of nuclear factor-kappa B and mitogen-activated protein kinases (NF-κB/MAPKs). Moreover, LH2171 induced gene expression of ...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research

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Source: Mutation Research Genetic Toxicology and Environmental Mutagenesis - Category: Genetics & Stem Cells Source Type: research
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Source: Revista Clinica Espanola - Category: Internal Medicine Source Type: research
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Source: Surgery (Oxford) - Category: Surgery Source Type: research
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Source: International Journal of Surgery Case Reports - Category: Surgery Source Type: research
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Source: International Journal of Surgery Case Reports - Category: Surgery Source Type: research
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Source: International Journal of Surgery Case Reports - Category: Surgery Source Type: research
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