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Current Trends in Immunology   Volumes    Volume 18 
B-cell disturbance in rheumatoid arthritis patients: Comparative study between treated and non-treated patients
Amira Ahmed Hamdy, Enas Gomaa Ibrahem, Ahmed Ashraf Wegdan, Mohammed Mansour Abbas Eid, Maha Hamdy Nassr
Pages: 13 - 18
Number of pages: 6
Current Trends in Immunology
Volume 18 

Copyright © 2017 Research Trends. All rights reserved

Alterations in B cell homeostasis and B cell activation markers, namely B-cell activating factor (BAFF) and a proliferation-inducing ligand (APRIL), are described in rheumatoid arthritis (RA) patients. In the current study, 60 RA patients (30 receiving non-biologic disease modifying anti-rheumatic drugs (DMARDs) but have not received prior biological treatment and 30 treatment-naïve patients), and 30 healthy controls were enrolled. B cell count was determined by flow cytometry using the CD19-PE Kit (Immunotech, France). BAFF and APRIL blood concentration was measured using commercially available ELISA kit (Bosterbio, USA). B cell count diminished in RA patients compared to controls (p-value <0.05), however it was more pronounced in treated patients. Circulating BAFF levels increased in RA compared to healthy controls (p-value <0.05) with more increase in patients on treatment. Circulating APRIL levels were significantly lower (p-value <0.05) in treatment naïve rheumatoid arthritis patients (343.9 ± 21.7) than the control group (371.5 ± 24.3). Significant decrease in B cell count and increase in BAFF level were observed in RA patients on non-biologic DMARDs. Conversely, APRIL levels were not affected by the treatment.
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