Volume 5, Issue 1 (Vol.5 No.1 Oct 2016)                   rbmb.net 2016, 5(1): 26-32 | Back to browse issues page

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Javanbakht M H, Mohammady H, Fooladsaz K, Razzaghi M, Zarei M, Djalali M. Are Serum Levels of F2-Isoprostane and Oxidized-LDL Related to Vitamin D Status in Type 2 Diabetic Patients? A Case-Control Study. rbmb.net. 2016; 5 (1) :26-32
URL: http://rbmb.net/article-1-82-en.html
Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran.
Abstract:   (3684 Views)

Background: Considerable evidence suggests that oxidative stress affects diabetes mellitus (DM) and contributes to its complications. Vitamin D has been shown to possess antioxidant properties. The aim of this study was to determine the association between serum levels of calcifediol (25-OH-D), an indicator of vitamin D status, and lipid profiles with oxidative stress in patients with type 2 diabetes mellitus (T2DM).

Methods: In this case-control study, 57 T2DM patients with low vitamin D status (< 30 ng/mL) and 48 T2DM patients with normal vitamin D status (> 30 ng/mL) were enrolled. Fasting concentrations of 25-OH-D, calcium, phosphorus, parathyroid hormone (PTH), lipid profiles, fasting blood sugar (FBS), glycosylated hemoglobin (HbA1c), F2-isoprostane, and oxidized-low-density lipoprotein (ox-LDL) were measured.

Results: The mean fasting serum concentrations of 25-OH-D, calcium, and phosphorus in patients with low vitamin D status were significantly lower than in controls (p < 0.001). The mean concentrations of ox-LDL, F2-isoprostane, total cholesterol, and LDL were significantly higher in patients with low vitamin D status than in controls. There was a negative correlation between vitamin D levels and F2-isoprostane (r = 0.647and P = 0.0001), LDL (r = -0.218 and P = 0.030), and ox-LDL (r = -0.637 and P = 0.0001).

Conclusions: The results of present study indicated that serum concentrations of 25-OH-D were inversely correlated with F2-isoprostane, LDL, and ox-LDL. Therefore, vitamin D may have a beneficial effect on the control of lipid profiles and oxidative stress in T2DM patients.

Full-Text [PDF 355 kb]   (732 Downloads)    
Subject: Biochemistry
Received: 2016/08/22 | Accepted: 2016/08/22 | Published: 2016/08/22

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