1392/10/28، جلد ۱۳، شماره ۳، صفحات -
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عنوان انگلیسی Anti-Cyclic Citrullinated Peptide Antibody and Rheumatoid Factor Isotypes in Iranian Patients with Rheumatoid Arthritis: Evaluation of Clinical Value and Association with Disease Activity
چکیده انگلیسی مقاله In this study we determined the frequency, sensitivity and specificity of anti cyclic citrullinated peptides (anti-CCP) IgG antibody, total rheumatoid factor (RF-T), and RF isotypes in Iranian patients with rheumatoid arthritis (RA) and their association with age, clinical and serological parameters. Anti-CCP and RF-T and RF isotypes level were measured in 418 patients and 399 healthy controls by enzyme-linked immunosurbant assay (ELISA). Additionally, serum C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), visual analog scale (VAS) and disease activity score (DAS28) were evaluated in RA patients. The anti-CCP was positive in 53.1% of RA patients and 4.7% of controls. The frequency of RF-T was 61.87% and 17.66% in RA patients and controls respectively. The prevalence of RF isotypes in RA patients was 46.52% for RF-IgM, 23.47% for RF-IgA and 21.74% for RF-IgG.  31.39% of RA patients were RF-IgM positive without RF-IgA and RF-IgG and 21.9% were positive for all three RF classes. The anti-CCP positive patients showed increased number of swollen joints. On the other hand, RF-T positive patients exhibited a longer disease duration, lower age of onset and also higher ESR, CRP level and increased swollen joints. RF-T titer was significantly higher in RA patients with active disease compared to remission, low and moderate active groups. The sensitivity and specificity were 53.1, 95.3 for anti-CCP antibody and 61.8, 82.3 for RF-T. Our results support that anti-CCP and RF titer maybe valuable in estimation of disease activity and other inflammatory parameters in RA patients.
کلیدواژه‌های انگلیسی مقاله Anti-CCP; C-Reactive Protein; Disease Activity; Rheumatoid Arthritis; Rheumatoid Factor
نویسندگان مقاله 43636---43637---43638---43639---43640---43641---43642---43643---43644---
نشانی اینترنتی http://ijaai.tums.ac.ir/index.php/ijaai/article/viewArticle/788
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