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Dadun > Depósito Académico > CIMA (Centro de Investigación Médica Aplicada) > Área de Ciencias Cardiovasculares > Enfermedad vascular hipertensiva > DA - CIMA - Cardiovasculares - Enfermedad vascular - Artículos de Revista >

The A640G CYBA polymorphism associates with subclinical atherosclerosis in diabetes
Authors: Moreno, M.U. (María Ujué)
San-Jose, G. (Gorka)
Fortuño, A. (Ana)
Miguel-Carrasco, J.L. (José Luis)
Beloqui, O. (Óscar)
Diez, J. (Javier)
Zalba, G. (Guillermo)
Keywords: Atherosclerosis
Diabetes
Intima-Media Thickness
NADPH oxidase
Oxidative stress
A640G polymorphism
Issue Date: 2011
Publisher: Frontiers in Bioscience
Publisher version: http://bioscience.org/2011/v3e/af/347/fulltext.asp?bframe=3.htm&doi=yes
ISSN: 1093-4715
Citation: Moreno MU, San Jose G, Fortuño A, Miguel-Carrasco JL, Beloqui O, Diez J, et al. The A640G CYBA polymorphism associates with subclinical atherosclerosis in diabetes. Frontiers in Bioscience 2011;June 1:1467-1474
Abstract
Oxidative stress is implicated in diabetes. The NADPH oxidases are the main source of superoxide in phagocytic and vascular cells, and p22phox is a key subunit. Genetic variants of CYBA, the human p22phox gene, associate with cardiovascular disease. We investigated the association of the A640G polymorphism with diabetes and its impact on phagocytic NADPH oxidase-dependent superoxide production and subclinical atherosclerosis. We studied 1212 subjects in which clinical parameters including carotid intima-media thickness (cIMT) were assessed. The A640G polymorphism was genotyped by TaqMan probes. In 496 subjects, the NADPH oxidase-dependent superoxide production in peripheral blood mononuclear cells was assessed by chemiluminescence. The GG genotype prevalence was significantly higher in type 2 diabetic patients than in non-diabetic subjects. Peripheral blood mononuclear cells from diabetic GG patients presented higher NADPH oxidase-dependent superoxide production than those of diabetic AA/AG patients. Within the diabetic group, GG patients presented higher cIMT levels than AA/AG patients. The A640G CYBA polymorphism may be a marker of oxidative stress risk and may be indicative of subclinical atherosclerosis in type 2 diabetes.
Permanent link: http://hdl.handle.net/10171/17937
Appears in Collections:DA - CIMA - Cardiovasculares - Cardiopatía hipertensiva - Artículos de Revista
DA - CIMA - Cardiovasculares - Enfermedad vascular - Artículos de Revista

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