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Effects of Dha-Enriched Fish Oil on Monocyte/Macrophage Activation Marker Scd163, Asymmetric Dimethyl Arginine, and Insulin Resistance in Type 2 Diabetic Patients Publisher Pubmed



Toupchian O1 ; Sotoudeh G2 ; Mansoori A1, 3 ; Nasliesfahani E4 ; Djalali M1 ; Keshavarz SA5 ; Koohdani F1, 4
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 Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  4. 4. Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Clinical Nutrition Department, School of Nutritional Science and Dietetics, Tehran University of Medical Sciences, Tehran, Iran

Source: Journal of Clinical Lipidology Published:2016


Abstract

Background The beneficial effects of n−3 polyunsaturated fatty acids on reducing cardiovascular risks are well documented. However, the relative effect on some markers of macrophage activation and vascular function is unclear. Objective The primary objective of this study was to investigate the effects of docosahexaenoic acid (DHA)-enriched fish oil on the marker of monocyte/macrophage activation factor soluble CD163, asymmetric dimethyl arginine (ADMA), and insulin resistance in type 2 diabetic patients. Methods In this double-blind randomized controlled trial, 72 type 2 diabetic patients with an age between 30–70 years and body mass index (BMI) of 18.5 to 40 kg/m2 were randomly assigned to receive 2.4-g DHA-enriched fish oil or placebo per day for 8 weeks. Anthropometric measurements, biochemical, and body composition analyses were assessed at baseline and end of study. Analysis of covariance (ANCOVA) was conducted by controlling for possible confounders to assess between-group differences. Results Serum levels of sCD163, triglycerides, waist circumference (WC), and weight to height ratio (WHtR) decreased significantly in the fish oil group when compared with the control group. Serum ADMA concentration decreased in the fish oil group with no significant between-group differences. Controlling for confounders revealed that the differences observed in sCD163, triglycerides, WC, and WHtR remained statistically significant. Conclusions Short-time fish oil supplementation decreased serum sCD163, triglycerides levels, WC, and WHtR in T2DM patients. Because of the positive relationship between sCD163 levels and some T2DM and obesity-related complications, it seems that DHA can be considered as a key intervention in obesity and T2DM. © 2016 National Lipid Association
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