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Saudi Journal of Kidney Diseases and Transplantation
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ORIGINAL ARTICLE Table of Contents   
Year : 2012  |  Volume : 23  |  Issue : 2  |  Page : 274-279
Evaluation of lipid peroxidation and erythrocyte glutathione peroxidase and superoxide dismutase in hemodialysis patients


1 Department of Nutrition, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
2 Department of Clinical Biochemistry, School of Medicine and Cellular and Molecular Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
3 Department of Internal Medicine, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
4 Division of Biochemistry, Department of Chemistry, Pune University, Pune, India

Correspondence Address:
Mohammad Hashemi
Professor of Clinical Biochemistry, Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan
Iran
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PMID: 22382218

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Oxidative stress often occurs in chronic hemodialysis (HD). The aim of the present study was to determine plasma malondialdehyde (MDA) level for lipid peroxidation product and erythrocyte superoxide dismutase (SOD) and glutathione peroxidase (GPx) activities as enzy­matic antioxidants. Thirty-one HD patients (aged 50.3 ± 14.9 years) who were dialyzed three times per week and 31 healthy subjects (aged 47.8 ± 13.9 years) were enrolled. The results showed lower enzymatic antioxidants activity (GPx, SOD) and higher MDA levels in comparison with control subjects. In addition, SOD and GPx activities significantly decreased and MDA increased after HD. We also found that there was a significantly negative correlation between SOD and GPx with MDA. The results suggest that elevated level of plasma MDA and reduced activities of SOD and GPx can be caused oxidative stress, which may play a critical role in HD complications.


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