http://purl.uniprot.org/citations/21885496 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
http://purl.uniprot.org/citations/21885496 | http://www.w3.org/2000/01/rdf-schema#comment | "ObjectiveIn a pilot study, a distinct T cell cytokine pattern associated with HLA-B27 status and a tumor necrosis factor-α (TNF-α) promoter gene polymorphism was found at -308 (TNF-308). The objective of our study was to assess these associations in a different cohort of patients with ankylosing spondylitis (AS) and to evaluate any effect on clinical measurements.MethodsPeripheral T cell cytokine production of patients with AS (n = 121) from the German Spondyloarthritis Inception Cohort was assessed by flow cytometry and correlated with HLA-B27, TNF-238, and TNF-308, and with clinical measurements.ResultsIn HLA-B27-positive, anti-TNF-naive patients with AS, the percentages of TNF-α-producing (5.02%) and interleukin 10-producing (0.31%) CD8+ cells were significantly lower in comparison to HLA-B27-negative patients (9.52%, p = 0.048, and 0.46%, p = 0.037, respectively). A nonsignificant trend was found for a lower production of TNF-α by CD4+ and interferon-γ by both CD4+ and CD8+ T cells, as compared to HLA-B27-negative patients with AS (p > 0.05 for all comparisons). The A allele at TNF-308 was associated with a lower percentage of TNF-α-producing CD4+ T cells. No significant correlations were found between clinical or radiological measurements and cytokine production or with TNF-α promoter gene polymorphisms.ConclusionModulation of T cell cytokines by HLA-B27 might play a role in AS pathogenesis in B27-positive individuals. No conclusive data were obtained for the TNF-308 polymorphism on cytokine production, and no effect of cytokines or genetic polymorphisms on clinical manifestations was observed."xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.org/dc/terms/identifier | "doi:10.3899/jrheum.110130"xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/author | "Zeidler H."xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/author | "Braun J."xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/author | "Sieper J."xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/author | "Rudwaleit M."xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/author | "Marker-Hermann E."xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/author | "Listing J."xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/author | "Kaluza-Schilling W."xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/author | "Poddubnyy D.A."xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/date | "2011"xsd:gYear |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/name | "J Rheumatol"xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/pages | "2436-2441"xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/title | "Relation of HLA-B27, tumor necrosis factor-alpha promoter gene polymorphisms, and T cell cytokine production in ankylosing spondylitis -- a comprehensive genotype-phenotype analysis from an observational cohort."xsd:string |
http://purl.uniprot.org/citations/21885496 | http://purl.uniprot.org/core/volume | "38"xsd:string |
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