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  • Title: Apolipoprotein E phenotypes in familial hypercholesterolaemia: importance for expression of disease and response to therapy.
    Author: Berglund L, Wiklund O, Eggertsen G, Olofsson SO, Eriksson M, Lindén T, Bondjers G, Angelin B.
    Journal: J Intern Med; 1993 Feb; 233(2):173-8. PubMed ID: 8433078.
    Abstract:
    To study the possible importance of variation at the apolipoprotein (apo) E gene locus for the clinical expression of heterozygous familial hypercholesterolaemia (FH), we determined apo E phenotype and serum lipoprotein pattern in 120 patients with FH. The allele frequency of the patients studies were: epsilon 2 0.033, epsilon 3 0.733, and epsilon 4 0.233. There was no influence of apo E phenotype on the serum concentrations of total. VLDL, LDL or HDL cholesterol, triglycerides, or of apo AI, B or (a). Serum concentrations of apo E were significantly higher in patients with the apo E 3/3 phenotype compared to those with apo E 4/3 or 4/4, and the highest concentrations were found in patients carrying the epsilon 2-allele. The cholesterol-lowering response to therapy with cholestyramine or pravastatin was not related to apo E phenotype. It is concluded that variation at the apo E gene locus is not of major importance for the expression of heterozygous FH.
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