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Malondialdehyde as biomarker of oxidative damage to lipids caused by smoking.

Lykkesfeldt J

Section of Biomedicine, Department of Veterinary Pathobiology, Faculty of Life Sciences, University of Copenhagen, 9 Ridebanevej, DK-1870 Frederiksberg C, Denmark. jopl@life.ku.dk

Thiobarbituric acid reactive substances (TBARS) and malondialdehyde (MDA) have been used as biomarkers of lipid oxidation for more than thirty years. The validity of these biomarkers has been rightfully criticized for a lack of specificity and problems with post sampling formation. Numerous assays have been published for their analysis giving rise to reference intervals for healthy non-smoking humans varying more than to orders of magnitude. In spite of these problems, these biomarkers remain among the most commonly reported indices of oxidative damage and the present review focuses on the problems associated with MDA/TBARS analysis, their potential as biomarkers of oxidative stress and the effect of smoking on MDA status.

Published 3 April 2007 in Clin Chim Acta, 380(1): 50-8.
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