National Repository of Grey Literature 5 records found  Search took 0.01 seconds. 
BAFF (B-cell Activating Factor of the TNF Family) in patients with idiopathic inflammatory myopathieswith respect to autoantibody profile.
Kryštůfková, Olga ; Vencovský, Jiří (advisor) ; Tlaskalová - Hogenová, Helena (referee) ; Blažíčková, Stanislava (referee)
The idiopathic inflammatory myopathies (IIMs) are a heterogeneous group of chronic muscle diseases with frequent extramuscular organ involvement that contributes to serious prognosis. The presence of autoantibodies and composition of muscle infiltrates both support autoimmune nature of the disease and pathogenic role of B lymphocytes. Besides the traditional diagnostic subgroups, autoantibody characterised phenotype subsets have been identified with presumed similar pathogenic mechanisms. The best known is the antisynthetase syndrome which is characterised by presence of myositis, antisynthetase autoantibodies (with anti-Jo-1 being the most frequent), interstitial lung disease and other extramuscular manifestations. BAFF (B cell-Activating Factor of the TNF Family) is a key factor in B cell homeostasis modulation. In high levels, it allows survival of autoreactive B cell clones and thus participates in the pathogenesis of autoimmune diseases. Its expression is induced by type I interferons (IFN-1). The aim of the PhD thesis was to explore the role of BAFF in pathogenesis of IIMs by analysis of its serum levels, the receptors for BAFF in muscle tissue, their associations to IFN-1 and expression of BAFF gene mRNA transcription variants in peripheral blood cells. Further aspect was to study a possible...

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