Search Results - "Kimoto, Masao"
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Essential role of MD-2 in LPS responsiveness and TLR4 distribution
Published in Nature immunology (01-07-2002)“…Toll-like receptor 4 (TLR4) mediates lipopolysaccharide (LPS) signaling in a variety of cell types. MD-2 is associated with the extracellular domain of TLR4…”
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Lipopolysaccharide-binding protein-mediated Toll-like receptor 4 dimerization enables rapid signal transduction against lipopolysaccharide stimulation on membrane-associated CD14-expressing cells
Published in International immunology (01-04-2010)“…Toll-like receptor (TLR) 4/MD-2 dimerization is thought to be required for the initiation of signaling during innate immune responses. In this study, we…”
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Leucine-rich repeat 2 of human Toll-like receptor 4 contains the binding site for inhibitory monoclonal antibodies
Published in FEBS letters (21-12-2015)“…•A novel anti-TLR4 mAb HTB2 was obtained by cross-block screening against HT52.•HTB2 inhibits LPS-induced TLR4 activation.•HT52 and HTB2 epitopes were…”
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Reduced surface expression of TLR4 by a V254I point mutation accounts for the low lipopolysaccharide responder phenotype of BALB/c B cells
Published in The Journal of immunology (1950) (01-01-2013)“…LPS is recognized by TLR4 and radioprotective 105 kDa in B cells. Susceptibility to LPS in murine B cells is most closely linked to the locus containing the…”
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Multiple potential regulatory sites of TLR4 activation induced by LPS as revealed by novel inhibitory human TLR4 mAbs
Published in International immunology (01-08-2012)“…Recognition of LPS by the toll-like receptor 4 (TLR4)/MD-2 complex is a trigger of innate immune defense against bacterial invasion. However, excessive immune…”
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Cutting Edge: Cell Surface Expression and Lipopolysaccharide Signaling Via the Toll-Like Receptor 4-MD-2 Complex on Mouse Peritoneal Macrophages
Published in The Journal of immunology (1950) (01-04-2000)“…The human MD-2 molecule is associated with the extracellular domain of human Toll-like receptor 4 (TLR4) and greatly enhances its LPS signaling. The human…”
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Endotoxin tolerance attenuates airway allergic inflammation in model mice by suppression of the T-cell stimulatory effect of dendritic cells
Published in International immunology (01-09-2010)“…Prior exposure of dendritic cells (DCs) and monocytes/macrophages to LPS causes unresponsiveness to subsequent LPS stimulation, a phenomenon called endotoxin…”
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The toll-like receptor protein RP105 regulates lipopolysaccharide signaling in B cells
Published in The Journal of experimental medicine (03-07-2000)“…The susceptibility to infections induced by Gram-negative bacteria is largely determined by innate immune responses to bacteria cell wall lipopolysaccharide…”
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Human MD-2 confers on mouse Toll-like receptor 4 species-specific lipopolysaccharide recognition
Published in International immunology (01-12-2001)“…Toll-like receptor 4 (TLR4) recognizes lipopolysaccharide (LPS). MD-2 is associated with TLR4 and imparts LPS responsiveness to it. Little is known, however,…”
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The RP105/MD-1 complex is indispensable for TLR4/MD-2-dependent proliferation and IgM-secreting plasma cell differentiation of marginal zone B cells
Published in International immunology (01-06-2012)“…Marginal zone (MZ) B cells mount rapid T-cell-independent (T-I) immune responses against microbial components such as LPS. While Toll-like receptor 4 (TLR4) is…”
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Requirement for MD-1 in cell surface expression of RP105/CD180 and B-cell responsiveness to lipopolysaccharide
Published in Blood (01-03-2002)“…RP105 is a B-cell surface molecule that has been recently assigned as CD180. RP105 ligation with an antibody induces B-cell activation in humans and mice,…”
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Inhibition of antibody production in vivo by pre-stimulation of Toll-like receptor 4 before antigen priming is caused by defective B-cell priming and not impairment in antigen presentation
Published in International immunology (01-02-2013)“…Stimulation of Toll-like receptor 4 (TLR4) induces not only innate but also adaptive immune responses, and has been suggested to exert adjuvant effects…”
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Induction of Long-Term Lipopolysaccharide Tolerance by an Agonistic Monoclonal Antibody to the Toll-Like Receptor 4/MD-2 Complex
Published in Clinical and Vaccine Immunology (01-10-2006)“…Classifications Services CVI Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Regulatory Roles for CD14 and Phosphatidylinositol in the Signaling via Toll-like Receptor 4-MD-2
Published in Biochemical and biophysical research communications (05-02-2000)“…The complex consisting of Toll-like receptor 4 (TLR4) and associated MD-2 signals the presence of lipopolysaccharide (LPS) when it is expressed in cell lines…”
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The Functional and Structural Properties of MD-2 Required for Lipopolysaccharide Binding Are Absent in MD-1
Published in The Journal of immunology (1950) (01-01-2005)“…MD-1 and MD-2 are secretory glycoproteins that exist on the cell surface in complexes with transmembrane proteins. MD-1 is anchored by radioprotective 105…”
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Preparation and characterization of truncated human lipopolysaccharide-binding protein in Escherichia coli
Published in Protein expression and purification (01-10-2006)“…Lipopolysaccharide (LPS) is a component of the outer membrane of Gram-negative bacteria, and is the causative agent of endotoxin shock. LPS induces signal…”
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Activation mechanism of anticoagulant protein C in large blood vessels involving the endothelial cell protein C receptor
Published in The Journal of experimental medicine (06-04-1998)“…Protein C is an important regulatory mechanism of blood coagulation. Protein C functions as an anticoagulant when converted to the active serine protease form…”
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The Endothelial Cell Protein C Receptor (EPCR) Functions as a Primary Receptor for Protein C Activation on Endothelial Cells in Arteries, Veins, and Capillaries
Published in Biochemical and biophysical research communications (16-06-1999)“…Plasma protein C functions as an anticoagulant when it is converted to the active form of serine protease. Protein C activation has been found to be mediated…”
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Expression and anticoagulant function of the endothelial cell protein C receptor (EPCR) in cancer cell lines
Published in Thrombosis and haemostasis (01-02-2001)“…Induction of procoagulant factors in malignant cells is considered to be the major cause of coagulation disorders in cancer. Thrombomodulin (TM), a negative…”
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Saturated Fatty Acid and TLR Signaling Link β Cell Dysfunction and Islet Inflammation
Published in Cell metabolism (04-04-2012)“…Consumption of foods high in saturated fatty acids (FAs) as well as elevated levels of circulating free FAs are known to be associated with T2D. Though…”
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