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Effects of overweight and the PLA2G7 V279F polymorphism on the association of age with systolic blood pressure.

Effects of overweight and the PLA2G7 V279F polymorphism on the association of age with systolic blood pressure.
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Kim M, Kim M, Yoo HJ, Jang HY, Lee SH, Lee JH,


Kim M, Kim M, Yoo HJ, Jang HY, Lee SH, Lee JH, (click to view)

Kim M, Kim M, Yoo HJ, Jang HY, Lee SH, Lee JH,

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PloS one 2017 03 2312(3) e0173611 doi 10.1371/journal.pone.0173611
Abstract

This prospective study aimed to determine the effects of the persistence of overweight for three years and the PLA2G7 V279F polymorphism, as well as the interaction between these factors, on the association of age with blood pressure (BP). Healthy middle-aged subjects with normotensive BP were divided into the normal-weight and overweight groups. The PLA2G7 V279F genotype, BP, lipoprotein-associated phospholipase A2 (Lp-PLA2) activity, and oxidized low-density lipoprotein (ox-LDL) were determined. Lp-PLA2 activity was lower in the F allele subjects (n = 111) than in those with the VV genotype (n = 389). The overweight individuals with the F allele had lower Lp-PLA2 activity and ox-LDL at both baseline and after three years and lower systolic and diastolic BP and LDL cholesterol after three years compared with those with the VV phenotype. After three years, the overweight subjects with the VV phenotype exhibited greater increases in Lp-PLA2 activity, systolic BP, and ox-LDL than those with the F allele and normal-weight subjects with the VV phenotype. A multivariate analysis revealed that the PLA2G7 V279F genotype, baseline BMI, changes in Lp-PLA2 activity and ox-LDL remained independently and positively associated with changes in systolic BP. The simultaneous presence of the PLA2G7 279VV genotype and persistence of overweight synergistically increases the risk for hypertension, whereas lower Lp-PLA2 activity in PLA2G7 279F allele carriers might offer certain protection against hypertension, even in individuals who have been overweight for over three years.

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