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Association of peripheral and central blood pressure with the alpha-adducin Gly460Trp polymorphism in a Chinese population / 中华心血管病杂志
Chinese Journal of Cardiology ; (12): 608-612, 2005.
Article in Chinese | WPRIM | ID: wpr-334647
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the association of peripheral and central blood pressure with the alpha-adducin Gly460Trp polymorphism in Chinese.</p><p><b>METHODS</b>We randomly selected 6 villages from JingNing County, ZheJiang Province. We invited nuclear families to take part in our study. We measured each participant's blood pressure at the non-dominant arm by means of a standard mercury sphygmomanometer at subjects' homes. Five consecutive readings were averaged for analysis. Central blood pressures were obtained by use of SphigmoCor pulse wave analysis system. The observers administered a standardized questionnaire to collect information on smoking habits, alcohol consumption and use of antihypertensive drugs. Venous blood was sampled and the adducin genotype was determined by restrictive fragment length polymorphism (RFLP).</p><p><b>RESULTS</b>Four hundred and forty-two subjects included 230 (52.0%) women, and 116 (26.2%) hypertensive patients, of whom 49 (11.1%) took antihypertensive drugs. The frequencies of alpha -adducin GlyGly, GlyTrp and TrpTrp genotypes were 21.3%, 54.5% and 24.2%, respectively. There was no association between the alpha-adducin Gly460Trp polymorphism and peripheral systolic and diastolic blood pressure and pulse pressure. However, both before and after adjustment for sex, age, age(2), body-mass index, current smoking, alcohol intake, and antihypertensive treatment, the alpha-adducin polymorphism was significantly (P < 0.02) associated with central systolic blood pressure and central pulse pressure. After adjustment, central systolic blood pressure (+/- SE) averaged 122.5 +/- 3.5, 114.1 +/- 1.5 and 109.1 +/- 1.8 mm Hg (P = 0.01) in the GlyGly, GlyTrp and TrpTrp subjects, respectively. The corresponding values for central pulse pressure were 39.4 +/- 1.3, 36.4 +/- 1.0 and 32.9 +/- 0.9 mm Hg (P = 0.002), respectively.</p><p><b>CONCLUSIONS</b>In the JingNing population, the adducin 460Trp allele was associated with lower levels of central systolic pressure and pulse pressure.</p>
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pedigree / Blood Pressure / Calmodulin-Binding Proteins / China / Epidemiology / Polymorphism, Single Nucleotide / Asian People / Gene Frequency / Genetics / Genotype Limits: Adolescent / Adult / Aged / Aged80 / Child / Female / Humans / Male Country/Region as subject: Asia Language: Chinese Journal: Chinese Journal of Cardiology Year: 2005 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pedigree / Blood Pressure / Calmodulin-Binding Proteins / China / Epidemiology / Polymorphism, Single Nucleotide / Asian People / Gene Frequency / Genetics / Genotype Limits: Adolescent / Adult / Aged / Aged80 / Child / Female / Humans / Male Country/Region as subject: Asia Language: Chinese Journal: Chinese Journal of Cardiology Year: 2005 Type: Article