To evaluate the correlation between measurements of antinuclear antibodies serum levels by enzyme immunoassay (ANA-EIA), and the degree of systemic lupus erythematosus disease activity. To retest the performance of the test compared to measurement of antinuclear antibodies by immunofluorescence (ANA-IIF). Eighty-five sera from 71 patients with SLE were tested.
View Article and Find Full Text PDFWe examined the prevalence of thyroid dysfunction and the production of anti-thyroid antibodies (ATA) in patients with systemic lupus erythematosus (SLE) and assessed the association between ATA production and SLE disease activity status. Seventy-seven patients who met the American College of Rheumatology classification criteria for SLE participated in the study. Fifty-two individuals served as a control group.
View Article and Find Full Text PDFA role for NK cells in the regulation of autoimmunity has been demonstrated. Since there is a strong association between Ankylosing Spondylitis (AS) and HLA-B27, which is specifically recognized by the NK-inhibitory receptor KIR3DL1, this study evaluated the potential involvement of NK cells in AS. We studied 19 AS patients and 22 healthy volunteer donors and assessed the percentage, activity and receptor expression of peripheral blood NK cells.
View Article and Find Full Text PDFObjective: The aim of this study was to describe arthritis or vasculitis as initial manifestations of Crohn's disease (CD).
Methods: We describe three cases in which the rheumatological manifestations preceded the bowel disease and one with rheumatological manifestation and asymptomatic gut inflammation. The information on clinical manifestations, laboratory examination results, imaging procedures, and histological data were gathered from the patients' medical charts.