Research Article: IgE autoantibodies to nuclear antigens in patients with different connective tissue diseases: re-evaluation and novel findings
Abstract:
Introduction: Connective tissue diseases (CTD) are characterised by the overproduction of multiple autoantibodies, especially antinuclear antibodies (ANA) of the IgG type. Meanwhile, also IgE autoantibodies have been described. The aim was therefore, to establish an ELISA for the demonstration of IgE autoantibodies to SSA/Ro, SSB/La, RNP proteins and dsDNA in sera from patients with systemic lupus erythematosus (SLE), Sjoegren’s syndrome (SS), and mixed connective tissue disease (MCTD) to investigate their frequency and clinical relevance.
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