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AB0288 Laboratory markers of inflammation and serum nicotinamide phosphoribosyltransferase level in rheumatoid arthritis patients
  1. Y Akhverdyan1,
  2. B Zavodovsky1,
  3. J Polyakova1,
  4. L Seewordova1,
  5. I Zborovskaya1,
  6. T Rogatkina2
  1. 1Federal State Budgetary Institution “Research Institute of Clinical and Experimental Rheumatology” Under the Russion Academy of Medical Sciences
  2. 2Volgograd State Medical University, Volgograd, Russian Federation

Abstract

Objectives To study relationship between serum levels of nicotinamide phosphoribosyltransferase and laboratory markers of inflammation in patients with rheumatoid arthritis (RA).

Methods We determined nicotinamide phosphoribosyltransferase level in sera of 140 patients with RA (96 women and 44 men) by indirect enzyme-linked immunosorbent assay (RaiBiotech, cat No. EIA-VIS-1). The control group consisted of 20 women and 10 men aged 22 to 55 years without complaints of pain in the joints throughout life. The mean duration of disease was 5.94±0.37 years.

Results We divided all RA patients into 2 groups: one group (118 patients) with elevated levels of nicotinamide phosphoribosyltransferase serum (more than 3.9 ng/ml) and second group (22 patients) - with normal range.

In each of the two groups, the levels of CRP and ESR were determined.

Patients with elevated levels of Nampt had the following laboratory parameters (M±m): ESR – 37.83±1,57, CRP – 56.09±3,73 (rate - less than 5.0 mg/l). The second group had following data: ESR 22.46±0,56, CRP 21,65±1.38. Thus, patients with elevated levels of nicotinamide phosphoribosyltransferase had significantly higher concentrations of ESR and CRP (p<0,001).

Conclusions There is the relationship between the level of nicotinamide phosphoribosyltransferase serum and laboratory markers of inflammation in RA (CRP and ESR). The data indirectly confirm the hypothesis that increased levels of nicotinamide phosphoribosyltransferase in RA patients is associated with disease activity.

Disclosure of Interest None declared

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