The Prevalence of Anti-DFS۷۰ Antibodies in SLE and Non-SLE Patients
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JMCH-6-11_016
تاریخ نمایه سازی: 9 مرداد 1402
Abstract:
Background: The presence of anti-DFS۷۰ antibodies was considered by some rheumatologists as a tool to help exclude the diagnosis of systemic autoimmune rheumatic diseases (SARDs) such as systemic lupus erythematosus (SLE). However, several studies reported the controversial result. The golden standard for anti-DFS۷۰ antibody detection is indirect immunofluorescence (IIF) assay. Recently, ELISA method has been developed for the anti-DFS۷۰ detection.Objective: We aimed to investigate the presence of anti-DFS۷۰ antibodies in SLE and non-SLE patients using IIF assay and ELISA.Methods: We evaluated ۴۵ SLE patients who fulfilled the Systemic Lupus International Collaborating Clinics (SLICC) classification criteria, SLEDAI score >۵; ۱۵ patients with atopic dermatitis (AD) with IgE >۲۰۰ IU/ml, and ۳۰ healthy subject individuals. Anti-DFS۷۰ antibodies were measured by ELISA and IIF assay (ANA-DFS۷۰ Cytobeads). Differences in the anti-DFS۷۰ prevalence in SLE and non-SLE patients were analysed using a chi-square test. The sensitivity, and specificity of ELISA were calculated by McNemar’s test.Results: The presence of anti-DFS۷۰ antibodies measured by IIF assay was found in ۱۱.۱% of SLE and ۴.۴% of non-SLE patients (p-value ۰.۴۳۴), while anti-DFS۷۰ measured by ELISA was found in ۱۷.۷% of SLE and ۶.۶% of non-SLE patients (p-value ۰.۱۹۷). There was no significant difference in detecting anti-DFS۷۰ of the two methods (p.۰.۰۵). The ELISA has a sensitivity of ۸۵.۷% and a specificity of ۹۴% for anti-DFS۷۰ detection.Conclusion: Anti-DFS۷۰ was detected more frequently in SLE rather than in non-SLE patients measured using both ELISA and IIF. There is good agreement between ELISA and IIF assay for the anti-DFS۷۰ detection.
Keywords:
Autoantibodies Anti , DFS۷۰ SLE IIF ELISA
Authors
Kusworini Handono
Clinical Pathology Department, Faculty of Medicine, Brawijaya University, Malang, Indonesia
Hani Susianti
Clinical Pathology Department, Faculty of Medicine, Brawijaya University, Malang, Indonesia
Syahrul Chilmi
Clinical Pathology Department, Faculty of Medicine, Brawijaya University, Malang, Indonesia
Andrea Aprilia
Doctoral Program in Medical Science, Brawijaya University, Malang, Indonesia
Rahmatul Yasiro
Clinical Pathology Resident, Faculty of Medicine, Brawijaya University, Malang, Indonesia
Natalia Sukarta
Clinical Pathology Resident, Faculty of Medicine, Brawijaya University, Malang, Indonesia
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