[해외논문]Apolipoprotein E gene polymorphism is related to metabolic abnormalities, but does not influence erythrocyte membrane lipid composition or sodium-lithium countertransport activity in essential hypertension
#x0301;a and Unidad Clı́nico-Experimental del Hospital Universitario Vı́rgen del Rocı́o, Seville
(From the Unidad de Hipertensió)
,
and the Laboratorio de Bioquı́mica de la Clı́nica del Sagrado Corazón, Seville, Spain.
(n y Lı)
,
From the Unidad de Hipertensión y Lı́pidos del S. de Medicina Interna
(́)
,
S. de Inmunologı́a and Unidad Clı́nico-Experimental del Hospital Universitario Vı́rgen del Rocı́o, Seville
(pidos del S. de Medicina Interna)
,
and the Laboratorio de Bioquı́mica de la Clı́nica del Sagrado Corazón, Seville, Spain.
(S. de Inmunologı)
,
From the Unidad de Hipertensión y Lı́pidos del S. de Medicina Interna
(́)
,
S. de Inmunologı́a and Unidad Clı́nico-Experimental del Hospital Universitario Vı́rgen del Rocı́o, Seville
(a and Unidad Clı)
,
and the Laboratorio de Bioquı́mica de la Clı́nica del Sagrado Coraz�
(́)
AbstractThe aim of this study was to analyze the influence of the apolipoprotein E (apoE) gene polymorphism on insulin resistance and plasma lipid composition of essential hypertensive patients. A secondary objective was to analyze if differences regarding plasma lipids had an effect on the erythroc...
AbstractThe aim of this study was to analyze the influence of the apolipoprotein E (apoE) gene polymorphism on insulin resistance and plasma lipid composition of essential hypertensive patients. A secondary objective was to analyze if differences regarding plasma lipids had an effect on the erythrocyte membrane lipid composition and the activity of the erythrocyte membrane sodium-lithium countertransport. We studied 128 untreated nondiabetic essential hypertensive patients enrolled from our outpatient clinic. We considered as hyperinsulinemic all subjects having more than 80 mU/L of plasma insulin 120 minutes after a 75-g oral glucose intake. The number of hyperinsulinemic subjects among carriers of the ϵ4 allele was higher that in ϵ4 noncarrier subjects (13 of 19 v 45 of 109, P < .05; odds ratio [OR], 3.08; confidence interval [CI], 0.99-10.57). Plasma insulin at baseline and plasma insulin and glucose at 120 minutes after overload was higher in carriers of the ϵ4 allele (respectively, 17.5 ± 6.9 v 12.4 ± 4.9 mU/L, P < .01; 111.9 ± 39.9 v 88.7 ± 48.2, P < .05; and 143.8 ± 29.3 v 121.2 ± 30.8 mg/dL, P < .005). Subjects with the ϵ4 allele had a plasma lipid profile more atherogenic than those without this allele. This profile was mainly characterized by higher levels of low-density lipoprotein (LDL) cholesterol (150.1 ± 31.2 v 133.0 ± 34.3 mg/dL, P < .05) and very-low-density lipoprotein (VLDL) triglycerides (134.7 ± 85.5 v 99.2 ± 68.8 mg/dL, P < .05) and by lower levels of high-density lipoprotein (HDL) cholesterol (41.8 ± 10.7 v 50.0 ± 14.7 mg/dL, P < .05). There were no differences between groups regarding erythrocyte membrane cholesterol or phospholipids composition and sodium-lithium countertransport (SLC) activity.
AbstractThe aim of this study was to analyze the influence of the apolipoprotein E (apoE) gene polymorphism on insulin resistance and plasma lipid composition of essential hypertensive patients. A secondary objective was to analyze if differences regarding plasma lipids had an effect on the erythrocyte membrane lipid composition and the activity of the erythrocyte membrane sodium-lithium countertransport. We studied 128 untreated nondiabetic essential hypertensive patients enrolled from our outpatient clinic. We considered as hyperinsulinemic all subjects having more than 80 mU/L of plasma insulin 120 minutes after a 75-g oral glucose intake. The number of hyperinsulinemic subjects among carriers of the ϵ4 allele was higher that in ϵ4 noncarrier subjects (13 of 19 v 45 of 109, P < .05; odds ratio [OR], 3.08; confidence interval [CI], 0.99-10.57). Plasma insulin at baseline and plasma insulin and glucose at 120 minutes after overload was higher in carriers of the ϵ4 allele (respectively, 17.5 ± 6.9 v 12.4 ± 4.9 mU/L, P < .01; 111.9 ± 39.9 v 88.7 ± 48.2, P < .05; and 143.8 ± 29.3 v 121.2 ± 30.8 mg/dL, P < .005). Subjects with the ϵ4 allele had a plasma lipid profile more atherogenic than those without this allele. This profile was mainly characterized by higher levels of low-density lipoprotein (LDL) cholesterol (150.1 ± 31.2 v 133.0 ± 34.3 mg/dL, P < .05) and very-low-density lipoprotein (VLDL) triglycerides (134.7 ± 85.5 v 99.2 ± 68.8 mg/dL, P < .05) and by lower levels of high-density lipoprotein (HDL) cholesterol (41.8 ± 10.7 v 50.0 ± 14.7 mg/dL, P < .05). There were no differences between groups regarding erythrocyte membrane cholesterol or phospholipids composition and sodium-lithium countertransport (SLC) activity.
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