Evaluation of assays for measurement of serum (anti) oxidants in hemodialysis patients

Ruskovska, Tatjana and Jansen, Eugene and Antarorov, Risto (2014) Evaluation of assays for measurement of serum (anti) oxidants in hemodialysis patients. BioMed Research International.

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Official URL: http://www.hindawi.com/journals/bmri/2014/843157/

Abstract

Background: Various biomarkers and assays have been used for assessment of (anti)oxidant status in hemodialysis patients, including those intended for measurement of serum total (anti)oxidants, most often as a part of panel biomarkers. Methods: Serum (anti)oxidant status was measured in 32 chronically hemodialyzed patients and in 47 healthy persons, using two oxidation and three antioxidant assays. Results: The patients before the hemodialysis session have had higher values of total oxidants in comparison to the healthy persons, with a further increase during the hemodialysis. These findings were confirmed with both oxidation assays, but they differ in the percentage of increase and the statistical significance. All three antioxidant assays showed significantly higher values of the total serum antioxidants in the patients before the hemodialysis session in comparison to the healthy persons, and their significant decrease during the hemodialysis. However, the assays differ in the percentage of decrease, its statistical significance, and the correlations with uric acid. Conclusion: The variability of results of total (anti)oxidants which are obtained using different assays should be taken into account when interpreting data from clinical studies of oxidative stress, especially in complex pathologies such as chronic hemodialysis.

Item Type: Article
Subjects: Medical and Health Sciences > Clinical medicine
Divisions: Faculty of Medical Science
Depositing User: Tatjana Ruskovska
Date Deposited: 26 Jun 2014 13:34
Last Modified: 26 Jun 2014 13:34
URI: http://eprints.ugd.edu.mk/id/eprint/10221

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