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izvor podataka: crosbi

Levels of dipeptidyl peptidase IV/CD26 substrates neuropeptide Y and vasoactive intestinal peptide in rheumatoid arthritis patients (CROSBI ID 176348)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Buljević, Sunčica ; Detel, Dijana ; Batičić Pucar, Lara ; Mihelić, Radovan ; Madarević, Tomislav ; Sestan, Branko ; Varljen, Jadranka Levels of dipeptidyl peptidase IV/CD26 substrates neuropeptide Y and vasoactive intestinal peptide in rheumatoid arthritis patients // Rheumatology international, 33 (2013), 11; 2867-2874. doi: 10.1007/s00296-013-2823-z

Podaci o odgovornosti

Buljević, Sunčica ; Detel, Dijana ; Batičić Pucar, Lara ; Mihelić, Radovan ; Madarević, Tomislav ; Sestan, Branko ; Varljen, Jadranka

engleski

Levels of dipeptidyl peptidase IV/CD26 substrates neuropeptide Y and vasoactive intestinal peptide in rheumatoid arthritis patients

Neuropeptide Y (NPY) and vasoactive intestinal peptide (VIP) have their biological half-lives controlled by dipeptidyl peptidase IV (DPP IV/CD26). Several lines of evidence suggest the involvement of NPY in the regulation of rheumatoid arthritis (RA), and VIP has already been identified as a potent anti-inflammatory factor that reduces joint inflammation. The role of DPP IV/CD26 in the pathogenesis of RA has been indicated, but its mediator actions involving NPY and VIP have not been well investigated, so the aim of this study was to find an association between NPY, VIP, and DPP IV/CD26 in RA patients. Assessment of NPY, VIP, DPP IV/CD26 as well as some other inflammatory markers was carried out in 20 RA patients being treated with different types of drugs. Control group consisted of 18 osteoarthritis patients. Synovial fluid and serum content of investigated molecules was determined by ELISA and DPP IV/CD26 activity was measured spectrophotometrically. Immunodetection showed elevated levels of NPY and VIP in RA patients, with a significant increase in synovial fluid, while concentration and activity of DPP IV/CD26 were significantly decreased in both synovial fluid and serum. Positive correlations between serum DPP IV/CD26 concentration and activity (R = 0.6961), as well as between serum and synovial fluid concentration of VIP (R = 0.7029) were found. In RA group, NPY, VIP, and DPP IV/CD26 concentrations were not affected by the administration of drugs. The results of this study indicate a connection between elevated concentration of NPY and VIP and decreased DPP IV/CD26 activity and concentration, suggesting a potential role of these molecules in the immunomodulation of RA.

dipeptidyl peptidase IV/CD26; neuropeptide Y; rheumatoid arthritis; vasoactive intestinal peptide

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Podaci o izdanju

33 (11)

2013.

2867-2874

objavljeno

0172-8172

10.1007/s00296-013-2823-z

Povezanost rada

Temeljne medicinske znanosti

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