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THU0051 The Levels of Serum Pentraxin 3, IL 6, Fetuin A and Insulin in Patients with Rheumatoid Arthritis
  1. I. Tekeoğlu1,
  2. A. Kamanlı1,
  3. S. Sağ1,
  4. M.S. Sağ1,
  5. H. Harman2,
  6. K. Nas1,
  7. M. Altındiş3
  1. 1Department of Physical Medicine and Rehabilitation, Rheumatology, Faculty of Medicine, Sakarya University, Sakarya
  2. 2Department of Physical Medicine and Rehabilitation, Rheumatology, Faculty of Medicine, Bolu İzzet Baysal University, Bolu
  3. 3Department of Microbiology, Faculty of Medicine, Sakarya University, Sakarya, Turkey

Abstract

Background The pathogenesis of RA is not well understood, but genetic, environmental and immunologic factors are known to be involved in the development of the disease. The long pentraxin, pentraxin-3 (PTX-3), is an inflammatory marker and a member of pentraxin superfamily which contains CRP and serum amyloid P. There are some published studies showing the relationship between RA and PTX-3. (1–3). We investigated that PTX3, IL 6, fetuin- A, insulin and HOMA-IR might also have a role in the pathogenesis of RA.

Objectives The aim of this study was to evaluate the relationship between disease severity and biochemical parameters such as pentraxin-3, fetuin-A, IL-6,insulin and HOMA-IR levels in patients with rheumatoid arthritis.

Methods This study included 60 patients with RA and 20 healthy controls. Serum pentraxin-3, fetuin-A, IL-6 and insulin concentrations were determined. Also, HOMA-IR values were calculated. Disease activity was assessed with Disease Activity Score (DAS28). Quality of life was evaluated by the use of the Health Assessment Questionnaire disability index.

Results The serum values for ESR, CRP, pentraxin-3 and fetuin-A in patients with RA were elevated than control subjects (p values=0.001, 0.001, 0.000, 0.000, 0.01, 0.02, respectively) A positive correlation was evident between the DAS 28 score and IL6 levels (r =0.263, p=0.045). We found no correlation between the DAS28 score and HOMA-IR, the levels of pentraxin 3, fetuin A, insulin (p<0.05). Fetuin A levels was positively correlated with cumulative steroid dose (r=0.382, p=0.035). A statistically significant correlation was evident between presence of cardiovascular disease and HOMA-IR values in RA patients (r=0.437, p=0.032). In addition, DAS-28 score values were not in correlation with insulin, fetuin-A, HOMA-IR, IL-6 and pentraxin-3 levels (p>0.05).

Conclusions Elevated levels of pentraxin-3, fetuin-A, CRP, ESR might play a role in the pathogenesis of RA. Levels of IL-6, fetuin-A, insulin HOMA-IR, pentraxin -3, CRP, ESR concentrations were not associated with clinical severity of the RA.

  1. Dessein PH, Norton GR, Woodiwiss AJ, Joffe BI, Solomon A. Independent role of conventional cardiovascular risk factors as predictors of C-reactive protein concentrations in rheumatoid arthritis. J Rheumatol 2007;34:681–8.

  2. Hollan I, Nebuloni M, Bottazzi B, Mikkelsen K, Førre OT, Almdahl SM, Mantovani A, Fagerland MW, Aukrust P, Meroni PL; Feiring Heart Biopsy Study Group.Group. Pentraxin 3, a novel cardiovascular biomarker, is expressed in aortic specimens of patients with coronary artery disease with and without rheumatoid arthritis. Cardiovasc Pathol 2013 Sep-Oct;22(5):324–31.

  3. Klimek E, Skalska A, Kwaśny-Krochin B, Surdacki A, Sulicka J, Korkosz M, et al. Differential associations of inflammatory and endothelial biomarkers with disease activity in rheumatoid arthritis of short duration. Mediators Inflamm 2014;2014:681635.

Disclosure of Interest None declared

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