PMID: 20126890Feb 4, 2010Paper

Blood carbonyl protein measurement as a specific oxidative stress biomarker after intestinal reperfusion in rats

Acta Cirúrgica Brasileira
Márcio José JamelAlberto Schanaider

Abstract

An experimental study was performed to investigate the use of protein carbonyl group as a specific biological marker for oxidative stress in a rat model of intestinal ischaemia-reperfusion. Twenty four male Wistar rats were randomly distributed into three groups with eight animals each: Group 1 - Control group; Group 2 - Sham; Group 3 - Intestinal ischaemia by clamping ileal branches of the superior mesenteric artery for one hour, followed by another hour of reperfusion. Blood samples were taken in order to analyze the protein carbonyl level by Slot blotting assay. In group 3 a significant increase of protein carbonyl level was observed if compared to the homogenous levels of groups 1 and 2. From the results it may be concluded that the protein carbonylation may be used as a specific marker for measuring oxidative stress in rat intestinal reperfusion model.

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