• Arch. Med. Res. · Apr 2017

    Vitamin E Deficiency and Oxidative Status are Associated with Prediabetes in Apparently Healthy Subjects.

    • Gabriela Rodríguez-Ramírez, Luis E Simental-Mendía, Manuela de la A Carrera-Gracia, and Martha-Angélica Quintanar-Escorza.
    • Facultad de Medicina y Nutrición, Universidad Juárez del Estado de Durango, Durango, Dgo., México.
    • Arch. Med. Res. 2017 Apr 1; 48 (3): 257-262.

    BackgroundPrevious studies have indicated that vitamin E deficiency and oxidative stress affect the beta cell function. Hence, the aim of this study was to determine the association between vitamin E deficiency and oxidative status with prediabetes in apparently healthy subjects.MethodsApparently healthy men and women aged 18-65 years were enrolled in a case-control study. Individuals with new diagnosis of prediabetes were considered as cases and compared with a control group of individuals with normal glucose tolerance. Smoking, alcohol intake, pregnancy, diabetes, kidney disease, liver disease, cardiovascular disease, malignancy, glucocorticoid treatment and consumption of lipid-lowering drugs, antioxidants and vitamin supplements were exclusion criteria. Vitamin E deficiency was defined by serum levels of α-tocopherol <11.6 μmol/L, oxidative status was assessed by total antioxidant capacity and lipid peroxidation, and prediabetes was considered by the presence of impaired fasting glucose and/or impaired glucose tolerance.ResultsA total of 148 subjects were allocated into the case (n = 74) and control (n = 74) groups. The frequency of vitamin E deficiency was higher in the case group (41.8%) compared with the control group (35.1%), p = 0.03. The logistic regression analysis adjusted by age, waist circumference and body mass index, revealed a significant association between vitamin E deficiency (OR 3.23; 95% CI: 1.34-7.79, p = 0.009), lipoperoxidation (OR 2.82; CI 95%: 1.42-5.59, p = 0.003) and total antioxidant capacity (OR 0.93; CI 95%: 0.90-0.96, p <0.001) with prediabetes.ConclusionsResults of the present study suggest that both vitamin E deficiency and oxidative status are associated with prediabetes in apparently healthy subjects.Copyright © 2017 IMSS. Published by Elsevier Inc. All rights reserved.

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