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Exp Clin Endocrinol Diabetes 2009; 117(10): 610-615
DOI: 10.1055/s-0028-1102946
Article

© J. A. Barth Verlag in Georg Thieme Verlag KG Stuttgart · New York

Estrogen Receptor Beta Gene Variants may be Associated with more Favorable Metabolic Profile in Postmenopausal Women Undergoing Coronary Angiography

K. Saltiki 1 , 2 , E. Mantzou 2 , C. Doukas 1 , I. Kanakakis 1 , P. Zotos 1 , L. Lazaros 3 , I. Georgiou 3 , M. Alevizaki 1 , 2
  • 1Department Medical Therapeutics, ALEXANDRA Hospital, Athens University School of Medicine, Greece
  • 2Endocrine Unit, Evgenidion Hospital Athens University School of Medicine
  • 3Medical Genetics Unit, Department of Obstetrics and Gynaecology, Medical School, University of Ioannina, Ioannina, Greece
Further Information

Publication History

received 03.08.2008 first decision 30.10.2008

accepted 30.10.2008

Publication Date:
26 February 2009 (online)

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Abstract

Aim: Estrogen action is exerted on the vasculature through estrogen receptors ERα and ERβ . We have previously reported significant association of ERα gene (ESR1) variants with more severe coronary artery disease (CAD) in postmenopausal women. The influence of ERβ gene (ESR2) variants on the cardiovascular system is not well established. We investigated the association of common ESR2 variants with risk factors for cardiovascular disease and with the severity of CAD in postmenopausal women.

Methods: ESR2 polymorphisms AluI (1730 G>A) and RsaI (1082 G>A) were studied in 174 postmenopausal women undergoing coronary angiography (age 45–88 yrs). The severity of CAD (0–3 vessels with >50% stenosis), indices of obesity and other predisposing risk factors for cardiovascular disease, biochemical and hormonal parameters were recorded.

Results: 75 women had 0, 39 had one, 37 had two and 23 had three vessels with severe stenosis in the coronary angiography. There was no association between AluI (allele frequency=40.2%) and RsaI (allele frequency=2.6%) variants and CAD severity. Carriers of AluI had lower BMI (p=0.044), lower waist perimeter (p=0.029) and lower total cholesterol (p=0.033) and LDL levels (p=0.029). There was no association between RsaI polymorphism and any metabolic risk factors.

Conclusions: ESR2 AluI polymorphism may have a favorable influence on risk factors for cardiovascular disease such as obesity indices and cholesterol levels. It does not appear to be associated with the severity of CAD in women.

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Correspondence

K. SaltikiMD 

Endocrine Unit

Department of Medical Therapeutics

„ALEXANDRA” University Hospital

Athens University School of Medicine

80, Vasilissis Sofias Ave

11528 Athens

Greece

Phone: +30/210/338 13 93

Fax: +30/210/770 41 43

Email: saze@otenet.gr

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