XU, CF; TALMUD, PJ; ANGELICO, F; DELBEN, M; SAVILL, J; HUMPHRIES, SE; (1991) APOLIPOPROTEIN-E POLYMORPHISM AND PLASMA-LIPID, LIPOPROTEIN, AND APOLIPOPROTEIN LEVELS IN ITALIAN CHILDREN. GENET EPIDEMIOL , 8 (6) 389 - 398.
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We have investigated the effect of apolipoprotein (apo) E polymorphism on serum lipid, lipoprotein, and apolipoprotein levels in a sample of 195 children. aged 8-11 years, from Sezze, Central Italy. The relative frequencies of e2, e3, and e4 alleles were 0.062, 0.867, and 0.072, respectively. Variation at the apo E gene locus explained 5.1% of the sample variance in serum total cholesterol levels, 7.6% in low-density lipoprotein (LDL) cholesterol levels, 7.3% in apo B levels, and 14.1% in high-density lipoprotein-apo E (HDL-E) levels. The effect of the e2 allele was to lower levels of total cholesterol, LDL-cholesterol, and apo B and to raise levels of HDL-E, while the effect of the e4 allele was the opposite. Variation at the apo E gene locus was not associated with differences in serum triglyceride, HDL-cholesterol, or apo Al levels. The effects of common apo E polymorphisms and genetic variation associated with the PvuII RFLP of the apo B gene on serum apo B levels were additive, explaining 11.3% of the phenotypic variance in this sample. When the effect of apo E polymorphism on serum lipid traits was estimated in boys and girls separately, variation at the apo E gene locus explained 10.4, 13.3, 13.3, and 13.5% of the phenotypic variance in serum total cholesterol, LDL-cholesterol, apo B, and HDL-E levels, respectively, in boys, while in girls only the effect on HDL-E levels (19.3%) reached statistical significance. This study has demonstrated that genetic variations at the apo E locus contribute to the determination of serum lipid, lipoprotein, and apolipoprotein levels in youths and that the effects are gender specific.
|Title:||APOLIPOPROTEIN-E POLYMORPHISM AND PLASMA-LIPID, LIPOPROTEIN, AND APOLIPOPROTEIN LEVELS IN ITALIAN CHILDREN|
|Keywords:||APO-E POLYMORPHISM, TOTAL CHOLESTEROL, APO-B, LDL, HDL-APO-E, CYSTEINE-ARGININE INTERCHANGE, ABNORMAL LIPOPROTEIN, BOGALUSA HEART, CHOLESTEROL, METABOLISM, ATHEROSCLEROSIS, PHENOTYPES, GENOTYPES|
|UCL classification:||UCL > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science|
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