Austin, MA and Edwards, KL and McNeely, MJ and Chandler, WL and Leonetti, DL and Talmud, PJ and Humphries, SE and Fujimoto, WY (2004) Heritability of multivariate factors of the metabolic syndrome in nondiabetic Japanese Americans. DIABETES , 53 (4) 1166 - 1169.
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A rapidly growing body of evidence demonstrates important associations between the metabolic syndrome, characterized by a cluster of risk factors or phenotypes that include dyslipidemia, central obesity, hypertension, and hyperinsidinemia, and both cardiovascular disease and type 2 diabetes. The purpose of the present study was to characterize the metabolic syndrome in a sample of 432 individuals from 68 Japanese-American families, using factor analysis of quantitative phenotypes, and to estimate the heritability of these independent factors. Using nine characteristic phenotypes that included LDL particle size and C-reactive protein (CRP), factor analysis identified three multivariate factors interpreted as lipids, body fat/insulin/glucose/CRP, and blood pressure, explaining 65% of the variance. Heritability analysis revealed significant genetic effects on all of the factors: lipids (h(2) = 0.52, P < 0.001), body fat/insulin/glucose/CRP (h(2) = 0.27, P = 0.016), and blood pressure (h(2) = 0.25, P = 0.026). This analysis shows that independent, multivariate factors of the metabolic syndrome are heritable, demonstrating genetic influences on the underlying pathophysiological mechanisms of the syndrome.
|Title:||Heritability of multivariate factors of the metabolic syndrome in nondiabetic Japanese Americans|
|Keywords:||INSULIN-RESISTANCE SYNDROME, CORONARY-HEART-DISEASE, MIDDLE-AGED MEN, SYNDROME PREDICTS, DIABETES-MELLITUS, ELDERLY MEN, WOMEN, RISK, COMPONENTS, EVENTS|
|UCL classification:||UCL > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science|
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