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01.12.2012 | Research | Ausgabe 1/2012 Open Access

Journal of Inflammation 1/2012

A panel of oxidative stress assays does not provide supplementary diagnostic information in Behcet's disease patients

Zeitschrift:
Journal of Inflammation > Ausgabe 1/2012
Autoren:
Yasemin D Akcay, Ferhan G Sagin, Kenan Aksu, Gokhan Keser, Emma Taylor, Iona Knight, Paul G Winyard, Eser Y Sozmen
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1476-9255-9-13) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors' contributions

YDA, FSG, EYS, participated in the study design and experimental work and drafting the manuscript, ET, IK and PGW, participated in the experimental work and drafting the manuscript, KA and GK provided the patients and participated in drafting of the manuscript. All authors read and approved the final manuscript.

Abstract

Background

Recent findings suggest a role of oxidative stress in the pathogenesis of Behcet's disease (BD), but the utility of oxidative stress-associated assays in offering diagnostic information or in the monitoring of disease activity is largely unassessed.

Objective and methods

We aimed to measure oxidative and inflammatory markers, along with the markers of reactive nitrogen species, S-nitrosothiols and 3-nitrotyrosine, in BD patients (n = 100) and healthy volunteers (n = 50). These markers were evaluated in regard to their role in the pathogenesis of BD as well as their relation to clinical presentation, disease activity and duration.

Results

Median values for erythrocyte sedimentation rate (ESR), C-reactive protein, leukocyte count, and IL-18 levels, as well as myeloperoxidase (MPO) activity, were statistically higher in the patient group compared to controls. Some inflammation markers (ESR, neutrophil and leukocyte counts) were statistically higher (p < 0.05) in the active period. In contrast, oxidative stress-associated measures (erythrocyte lipid peroxidation, antioxidant enzymes and measures of serum antioxidant capacity), revealed no statistically significant differences between the median values in BD patients versus healthy control subjects (p > 0.05 in all statistical comparisons), nor was there any difference in median levels of these oxidative stress markers in active disease versus disease remission. S-nitrosothiols and 3-nitrotyrosine were undetectable in BD plasma.

Conclusions

The application of oxidative stress-associated measures to BD blood samples offered no supplemental diagnostic or disease activity information to that provided by standard laboratory measures of inflammation. S-nitrosothiols and 3-nitrotyrosine appeared not to be markers for active BD; thus the search for biochemical markers that will indicate the active period should be continued with larger studies.
Zusatzmaterial
Authors’ original file for figure 1
12950_2011_227_MOESM1_ESM.pdf
Literatur
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