The incidence of cardiovascular disease (CVD) and resultant morbidity and mortality are highly increased iin postmenopausal women. Recent observations indicate the involvement of estrogen receptor beta in the pathogenesis of CVD, and the potential role of ESR2 gene polymorphisms as independent risk factors for CVD. We aimed to investigate the possible association between the ESR2 AluI 1730G>A gene polymorphism (rs4986938) with different CVD risk markers, such as body mass index (BMI), blood fibrinogen, glucose and iinsulin, homeostasis model assessment of insulin resistance and urinary F2-isoprostanes, in 89 postmenopausal women. Genotyping for ESR2 1730G>A polymorphism showed the higher prevalence of heterozygous GA1730 genotype than either wild-type GG1730 or homozygously mutated AA1730 genotype (50.6 vs 34.8 or 14.6%, respectively). Statistical analysis of between-group variability revealed that mean levels of the examined CVD risk markers, except BMI and fibrinogen, were within the normal range in all subjects grouped to different ESR2 1730G>A genotypes. Interestingly, only fibrinogen levels were statistically different in AA1730 carriers compared with other genotypes. The analysis of genotype relative risk showed a significant elevation of plasma fibrinogen in AA1730 carriers compared with GG+GA ones. The present data strongly indicate that genotyping for the ESR2 AluI 1730G>A gene variant should be included in a screening panel for assessment of cardiovascular risk in menopausal women.
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