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Type: Artigo
Title: CYBA C242T polymorphism is associated with obesity and diabetes mellitus in Brazilian hypertensive patients
Author: Schreiber, R.
Ferreira-Sae, M. C.
Tucunduva, A. C.
Mill, J. G.
Costa, Felipe O.
Krieger, J. E.
Franchini, K. G.
Pereira, A. C.
Nadruz Junior, W.
Abstract: The CYBA C242T polymorphism has been associated with cardiovascular phenotypes such as hypertension and atherosclerosis, but available data are conflicting. This report investigated the impact of this variant on hypertension and metabolic determinants of cardiovascular risk in a large Brazilian sample. We cross‐sectionally evaluated 1856 subjects (826 normotensive subjects and 1030 hypertensive patients) by clinical history, anthropometry, laboratory analysis and genotyping of the CYBA C242T polymorphism. Genotype frequencies in the whole population were consistent with the Hardy–Weinberg equilibrium and genotype distributions were not different between hypertensive and normotensive subjects. Hypertensive patients with the CC genotype presented lower fasting plasma glucose levels (5.9 ± 0.1 vs. 6.2 ± 0.1 mmol/l, P = 0.020) and waist circumference (94.5 ± 0.6 vs. 96.3 ± 0.6 cm, P = 0.028) than CT + TT ones. Similarly, the prevalence of diabetes mellitus and obesity was also lower in hypertensive patients carrying the CC genotype (16% vs. 21%, P = 0.041; 36% vs. 43%, P = 0.029, respectively). In addition, multiple and logistic regression analysis demonstrated that the CYBA C242T polymorphism was associated with glucose levels, waist circumference, obesity and diabetes mellitus in hypertensive patients independently of potential confounders. Conversely, in normotensive subjects, no significant difference in studied variables was detected between the genotype groups. These data suggest that the T allele of the CYBA C242T polymorphism may be used as a marker for adverse metabolic features in Brazilian subjects with systemic hypertension
Subject: Polimorfismo (Genética)
Diabetes Mellitus
Country: Inglaterra
Editor: Wiley
Rights: Fechado
Identifier DOI: 10.1111/j.1464-5491.2012.03594.x
Date Issue: 2012
Appears in Collections:FCM - Artigos e Outros Documentos

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