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Atrial natriuretic peptide gene polymorphism is not associated with hypertrophic cardiomyopathy / 中华医学杂志(英文版)
Chinese Medical Journal ; (24): 188-192, 2010.
Article in English | WPRIM | ID: wpr-266002
ABSTRACT
<p><b>BACKGROUND</b>Hypertrophic cardiomyopathy (HCM) is a primary autosomal dominant inheritant myocardial disease with heterogeneity in clinical manifestations, natural history and prognosis. Even carrying an identical gene mutation among family members, a variety of clinical phenotypes have been found in patients with HCM. Modifier genes may contribute to the diversity. The plasma levels of atrial natriuretic peptides (ANP) were found previously to be elevated in HCM. Our studies suggested that ANP gene promoter polymorphism is associated with left ventricular hypertrophy in hypertension. The present study aimed to determine whether the two SNPs in the ANP gene are associated with HCM.</p><p><b>METHODS</b>We determined the relationships between the ANP gene polymorphism and HCM in 262 HCM patients and 614 age- and sex-matched healthy individuals. All of the subjects were genotyped for -A2843G and A188G polymorphisms.</p><p><b>RESULTS</b>The genotype frequency in the -A2843G and A188G polymorphisms of the ANP gene was not significantly different between the HCM patients and controls. The -A2843G and A188G polymorphisms were also not associated with clinical phenotype in cardiomyopathy patients.</p><p><b>CONCLUSIONS</b>The polymorphisms of the ANP gene are not associated with increasing risk of HCM or clinical phenotypes. The variations of the ANP gene may not serve as a genetic modifier for the development of HCM.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Phenotype / Polymorphism, Genetic / Cardiomyopathy, Hypertrophic / Echocardiography / Case-Control Studies / Linkage Disequilibrium / Atrial Natriuretic Factor / Genetics / Genotype Type of study: Observational study / Prognostic study / Risk factors Limits: Adolescent / Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: Chinese Medical Journal Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Phenotype / Polymorphism, Genetic / Cardiomyopathy, Hypertrophic / Echocardiography / Case-Control Studies / Linkage Disequilibrium / Atrial Natriuretic Factor / Genetics / Genotype Type of study: Observational study / Prognostic study / Risk factors Limits: Adolescent / Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: Chinese Medical Journal Year: 2010 Type: Article