Extramucosal formation and prognostic value of secretory antibodies in rheumatoid arthritis

Abstract Ubiquitin, which can conjugate with cellular proteins, is classified into two forms: free ubiquitin and multiubiquitin chains. The latter is active as a signal for degradation of the targeted proteins. We found both forms in human serum and, using two immunoassays, quantitated them in sera from healthy subjects and patients with some diseases. Because of putative leakage of erythrocyte ubiquitin, hemolytic serum and serum obtained after long incubation (>1–2 h) of blood at room temperature were excluded. Serum concentrations of multiubiquitin chains and free ubiquitin were substantially higher in rheumatoid arthritis and hemodialysis patients, respectively, than healthy subjects. Additionally, in acute viral hepatitis, serum multiubiquitin chain concentrations were increased in the acute phase, decreased in the recovery phase, and correlated with alanine and aspartate aminotransferase activities (r = 0.676 and 0.610, P <0.0001 and <0.001, respectively). Therefore, serum ubiquitin may have prognostic value.

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Prognostic Significance of IL-17,And IL-13 Along With IL-23R Gene Polymorphisms in Patients with Rheumatoid Arthritis in Iraqi Patients

International Journal of Research in Pharmaceutical Sciences ◽

10.26452/ijrps.v9ispl1.1358 ◽

2018 ◽

Vol 9 (SPL1) ◽

Author(s):

Ibrahim A Altamemi ◽

Sally Alkhafaji

Keyword(s):

Rheumatoid Arthritis ◽

Gene Polymorphism ◽

Disease Activity ◽

Prognostic Value ◽

Systemic Disease ◽

Expression Level ◽

Enzyme Linked Immunosorbent Assay ◽

Control Group ◽

Das 28 ◽

Control Serum

Rheumatoid arthritis is a systemic disease with very complex pathogenesis and feature of chronic synovitis. The biological effect of polymorphism on expression and functionality of IL-23R such as SNP can have functional and phenotypic consequences that make Il-23R as a risk factor for RA disease. Moreover recently there is a new trends to find out a new noninvasive prognostic biomarker for RA disease which may help in fallowing up disease. Thus the aim of present work is to find out if there prognostic value for IL-13 and IL-17in Rheumatoid arthritis through linking its expression level with disease activity score (DAS). Also To study if there is a role for IL-23R 11209026 gene polymorphism in disease susceptibility in Iraqi community by using healthy volunteer as a control group. To achieve this goal a Case control study has been conducted on 40 patient and 40 matched apparently health control. serum IL-17 and IL-13 concentration were measure by enzyme Linked immunosorbent assay According to manufactural instruction,measurement of disease activity was determine according to DAS 28 Score.RFLP PCR was used to study SNP of IL-23R gene polymorphism for patient and control group. Data were summarized, presented and analyzed using statistical package for social science (SPSS version 23). Result of present study found there was significant association between serum IL-17 and IL-13 level and RA disease (P<0, 001; and P<0, 001respectively). Moreover,there is significant positive correlation between expression level of both IL-17 and IL-13 with DAS28 (0.044,and 0.034 respectively). According to Receptor operating Curve both of IL-17 and IL-13 found to have high specificity and sensitivity 100%. Regarding to IL-23 R gene polymorphism,there was no significant correlation between rs11209026 gene polymorphism and susceptibility to rheumatoid arthritis patients in Iraqi community. Thus,present study showed that the concentrations of IL-13 and IL-17 significantly correlated with disease severity and DAS 28 which reflect their prognostic value in RA. Moreover,present study demonstrated that there was no significant association between Il-23R gene rs11209026 polymorphism and susceptibility to RA in Iraqi population.

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