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Estrogen receptor 1 gene polymorphisms and coronary artery disease in the brazilian population

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Estrogen receptor 1 gene polymorphisms and coronary artery disease in the brazilian population

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Título Estrogen receptor 1 gene polymorphisms and coronary artery disease in the brazilian population
Autor Almeida, Silvana de
Hutz, Mara Helena
Abstract We examined the association of three established single nucleotide polymorphisms, IVS1-397T>C, IVS1-351A>G, and +261G>C, in the ESR1 gene with the prevalence and severity of coronary atherosclerosis in a southern Brazilian population of European ancestry. Three hundred and forty-one subjects (127 women and 214 men) with coronary artery disease (CAD) were classified as having significant disease (CAD+ patient group) when they showed 60% or more luminal stenosis in at least one coronary artery or major branch segment at angiography; patients with 10% or less luminal stenosis were considered to have minimal CAD (CAD- patient group). The control sample consisted of 142 subjects (79 women and 63 men) without significant disease, in whom coronary angiography to rule out the presence of asymptomatic CAD was not performed. The polymorphisms were investigated by polymerase chain reaction followed by restriction analyses. In the male sample, the +261G>C*C allele was more frequent in CAD+ than CAD- subjects (8 versus 1%, P = 0.024). Homozygosity for the C allele of the IVS1-397T>C polymorphism was also significantly associated with increased CAD severity (OR: 2.99; 95% CI = 1.35-6.63; P = 0.007). In agreement with previous findings, these results suggest that the IVS1-397T>C*C allele was associated with CAD severity independent of gender, whereas the association of the +261G>C variant with CAD was observed in males only. The relation between ESR1 variation and CAD may influence clinical decisions such as the use of hormone therapy, and additionally will be helpful to identify the genetic susceptibility determinants of cardiovascular disease development.
Contido em Brazilian journal of medical and biological research = Revista brasileira de pesquisas médicas e biológicas. Ribeirão Preto, SP. Vol. 39, n. 4 (Apr. 2006), p. 447-454
Assunto Cardiopatias
Estrogenos
Polimorfismo
[en] Coronary artery disease
[en] ESR1 polymorphisms
[en] Estrogen
[en] Hormonal status
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/21196
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