Inflammation and bone erosion are suppressed in models of rheumatoid arthritis following treatment with a novel Syk inhibitor

Spleen tyrosine kinase (Syk), a key mediator of immunoreceptor signaling in inflammatory cells, is essential for immune complex-mediated signal transduction initiated by activated receptors for immunoglobulin G. In collagen-induced arthritis, R788/R406, a novel and potent small molecule Syk inhibito...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 124(2007), 3 vom: 28. Sept., Seite 244-57
1. Verfasser: Pine, Polly R (VerfasserIn)
Weitere Verfasser: Chang, Betty, Schoettler, Nathan, Banquerigo, Mona L, Wang, Su, Lau, Angela, Zhao, Feifei, Grossbard, Elliott B, Payan, Donald G, Brahn, Ernest
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Aminopyridines Collagen Type II Immunoglobulin G Intracellular Signaling Peptides and Proteins Morpholines N4-(2,2-dimethyl-3-oxo-4H-pyrid(1,4)oxazin-6-yl)-5-fluoro-N2-(3,4,5-trimethoxyphenyl)-2,4-pyrimidinediamine Oxazines Prodrugs Pyridines mehr... Pyrimidines Receptors, IgG Protein-Tyrosine Kinases EC 2.7.10.1 SYK protein, human EC 2.7.10.2 Syk Kinase Syk protein, rat fostamatinib SQ8A3S5101
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100 1 |a Pine, Polly R  |e verfasserin  |4 aut 
245 1 0 |a Inflammation and bone erosion are suppressed in models of rheumatoid arthritis following treatment with a novel Syk inhibitor 
264 1 |c 2007 
336 |a Text  |b txt  |2 rdacontent 
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500 |a Date Completed 25.10.2007 
500 |a Date Revised 03.12.2021 
500 |a published: Print-Electronic 
500 |a CommentIn: Clin Immunol. 2007 Sep;124(3):235-7. doi: 10.1016/j.clim.2007.06.005. - PMID 17662659 
500 |a Citation Status MEDLINE 
520 |a Spleen tyrosine kinase (Syk), a key mediator of immunoreceptor signaling in inflammatory cells, is essential for immune complex-mediated signal transduction initiated by activated receptors for immunoglobulin G. In collagen-induced arthritis, R788/R406, a novel and potent small molecule Syk inhibitor suppressed clinical arthritis, bone erosions, pannus formation, and synovitis. Serum anti-collagen type II antibody levels were unaltered, while the half-life of exogenous antibody was extended when co-administered with R406. Expression of the targeted kinase (Syk) in synovial tissue correlated with the joint level of inflammatory cell infiltrates and was virtually undetectable in treated rats. Syk inhibition suppressed synovial cytokines and cartilage oligomeric matrix protein (COMP) in serum, suggesting a sensitive and reliable biomarker for R406 activity. These results highlight the role of activating Fcgamma receptors in inflammatory synovitis and suggest that interruption of the signaling cascade with a novel Syk inhibitor may be a useful addition to immunosuppressive disease-modifying anti-rheumatic drugs currently used in the treatment of human autoimmune diseases such as rheumatoid arthritis 
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650 7 |a Immunoglobulin G  |2 NLM 
650 7 |a Intracellular Signaling Peptides and Proteins  |2 NLM 
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650 7 |a N4-(2,2-dimethyl-3-oxo-4H-pyrid(1,4)oxazin-6-yl)-5-fluoro-N2-(3,4,5-trimethoxyphenyl)-2,4-pyrimidinediamine  |2 NLM 
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650 7 |a SYK protein, human  |2 NLM 
650 7 |a EC 2.7.10.2  |2 NLM 
650 7 |a Syk Kinase  |2 NLM 
650 7 |a EC 2.7.10.2  |2 NLM 
650 7 |a Syk protein, rat  |2 NLM 
650 7 |a EC 2.7.10.2  |2 NLM 
650 7 |a fostamatinib  |2 NLM 
650 7 |a SQ8A3S5101  |2 NLM 
700 1 |a Chang, Betty  |e verfasserin  |4 aut 
700 1 |a Schoettler, Nathan  |e verfasserin  |4 aut 
700 1 |a Banquerigo, Mona L  |e verfasserin  |4 aut 
700 1 |a Wang, Su  |e verfasserin  |4 aut 
700 1 |a Lau, Angela  |e verfasserin  |4 aut 
700 1 |a Zhao, Feifei  |e verfasserin  |4 aut 
700 1 |a Grossbard, Elliott B  |e verfasserin  |4 aut 
700 1 |a Payan, Donald G  |e verfasserin  |4 aut 
700 1 |a Brahn, Ernest  |e verfasserin  |4 aut 
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