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Lipid Peroxidation and Antioxidant Enzymes Activity in Controlled and Uncontrolled Type 2 Diabetic Patients



Zarei M1, 3, 5 ; Farahnak Z1, 3, 5 ; Hosseinzadehattar MJ2 ; Javanbakht MH1, 3, 5 ; Hosseinzadeh P4 ; Derakhshanian H1, 3, 5 ; Farahbakhshfarsi P1, 3, 5 ; Djalali M6
Authors
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Authors Affiliations
  1. 1. Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Nutrition and Biochemistry, The International Campus, Tehran University of Medical Sciences, Kish, Iran
  5. 5. Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran Universityof Medical Sciences, Tehran, Iran

Source: ARYA Atherosclerosis Published:2016

Abstract

BACKGROUND: This study was designed to compare lipid peroxidation and antioxidant enzymes activity in Type 2 diabetes patients with good or weak glycemic control. METHODS: In this case-control study, 62 Type 2 diabetic patients with glycated hemoglobin (HbA1c) between 6 and 8 were enrolled as the controlled group and 55 patients with HbA1c > 8 were selected as an uncontrolled group. Patients were all referred to Iranian Diabetes Association in Tehran, Iran, from 2010 onward. Groups were chosen by convenience sampling and were matched based on age, sex and duration of disease. Demographic questionnaire, two 24-hour food recall, HbA1c, insulin, malondialdehyde (MDA), superoxide dismutase (SOD), and catalase were measured in blood samples. Data were analyzed by Food Processor II and SPSS software. RESULTS: A mean daily consumption of energy, carbohydrate, protein, and fat was not significantly different between two groups. MDA in the uncontrolled group was significantly higher than controlled group (2.03 ± 0.88 vs. 1.65 ± 1.01 nmol/ml; P = 0.030). A mean SOD was slightly higher in the uncontrolled group comparing to the control group (843.3 ± 101.9 vs. 828.0 ± 127.3 U/g Hb; P = 0.400). CONCLUSION: These data suggest that MDA as a lipid peroxidation indicator is higher in uncontrolled diabetes probably due to chronic high blood sugar followed by higher oxidative stress. © 2016, Isfahan University of Medical Sciences(IUMS). All rights reserved.