Dallongeville, J and Tiret, L and Visvikis, S and O'Reilly, DSJ and Saava, M and Tsitouris, G and Rosseneu, M and DeBacker, G and Humphries, SE and Beisiegel, U and EARS Grp, (1999) Effect of apo E phenotype on plasma postprandial triglyceride levels in young male adults with and without a familial history of myocardial infarction: the EARS II study. ATHEROSCLEROSIS , 145 (2) 381 - 388.
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The goal of the present study was to assess whether the effect of the apolipoprotein E polymorphism on postprandial lipemia explained part of the risk attributable to familial history of coronary heart disease. Cases (n = 407) were students, aged between 18 and 28 years, whose fathers had a proven myocardial infarction before the age of 55 years. Age-matched controls (n = 415) were recruited from the corresponding student registers. Blood was obtained after an overnight fast and at 2, 3, 4 and 6 h after ingestion of a fatty meal for triglyceride measurements. Apolipoprotein E phenotype was associated with postprandial triglyceride variability in both cases and controls. However, the apolipoprotein E-dependent triglyceride response was not significantly heterogeneous between cases and controls. In the pooled data, postprandial triglyceride levels were higher in carriers of the E2 and, to a lesser extent, of the E4 isoform, than in E3/3 homozygotes, independently of fasting triglyceride levels. At 6 h, triglyceride levels were increased by 21.2% (P < 0.01) in E2 carriers and 11.5% (P = 0.053) in E4 carriers by comparison to E3/3 subjects. These effects were not significantly different between regions. In conclusion, the effects of the apolipoprotein E polymorphism on postprandial triglyceridemia are similar across regions of Europe, and homogeneous in healthy young subjects with and without a family history of early myocardial infarction. This suggests that the influence of apolipoprotein E on myocardial infarction risk may be acting through mechanisms other than through effects on postprandial triglyceridemia. (C) 1999 Elsevier Science Ireland Ltd. All rights reserved.
|Title:||Effect of apo E phenotype on plasma postprandial triglyceride levels in young male adults with and without a familial history of myocardial infarction: the EARS II study|
|Keywords:||apolipoprotein, triglycerides, genetics, postprandial metabolism, myocardial infarction, CORONARY-ARTERY DISEASE, APOLIPOPROTEIN-E POLYMORPHISM, HEART-DISEASE, CARDIOVASCULAR-DISEASE, LIPOPROTEIN METABOLISM, CHYLOMICRON REMNANTS, PARENTAL HISTORY, APOPROTEIN-E, RESPONSES, LIPEMIA|
|UCL classification:||UCL > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science|
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