AB0744 A “lost-to-follow-up” autoantibody for the diagnosis of autoimmune disease: prevalence and clinical characteristics of anti-nor90/hubf positive patients
Abstract:BackgroundAnti-nuclear antibody (ANA) patterns in indirect immunofluorescence testing (IIF) have been valuable in the diagnosis of autoimmune diseases. A pattern of speckling with fluorescent mitotic dots is considered to represent autoantibodies against nucleolar organising regions (NORs). Anti-NOR90 antibodies target the human upstream binding factor (hUBF) which activates RNA polymerase I-activated ribosomal RNA transcription. They have been anecdotally associated with systemic sclerosis (SSc), Sjögren’s Sy… Show more
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