title: The effects of apolipoprotein E polymorphism on the distribution of lipids and lipoproteins in the Chinese population.
abstract: The effects of apolipoprotein E (apo E) polymorphism on the distribution of serum levels of total cholesterol (TC), triglyceride (TG), high density lipoprotein cholesterol (HDL-C) and low density lipoprotein cholesterol (LDL-C) were studied in 546 unrelated Chinese in Taiwan. By isoelectric focusing and immunoblotting, three common alleles were demonstrated. The frequencies of the epsilon 2, epsilon 3 and epsilon 4 alleles were 0.076, 0.875 and 0.049, respectively. The relative frequency of the epsilon 3 allele was higher than that in Caucasians, whereas the frequency of epsilon 4 was lower in the Chinese population. Individuals with apo E4/4 phenotype had the highest serum TC and LDL-C concentrations, while the lowest levels were associated with apo E2/2 phenotype. There was a trend for individuals carrying the epsilon 2 allele to have a higher HDL-C level. No relationship between apo E phenotype and TG level was observed in this study. These data indicated that a given apo E allele acted in a relatively similar way in determining individual differences between Chinese and Caucasian populations in serum lipid and lipoprotein.
authors.affiliation: School of Medical Technology, Center for Cardiovascular Research, College of Medicine, National Taiwan University, Taipei, ROC.
authors.forename: J T
authors.initials: JT
authors.lastname: Kao
authors.forename: K S
authors.initials: KS
authors.lastname: Tsai
authors.forename: C J
authors.initials: CJ
authors.lastname: Chang
authors.forename: P C
authors.initials: PC
authors.lastname: Huang
mesh_terms: D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000368:Aged; D000369:Aged, 80 and over; D000483:Alleles; D001057:Apolipoproteins E / Q000235:genetics* / Q000378:metabolism; D044466:Asian People; D008076:Cholesterol, HDL / Q000378:metabolism; D008078:Cholesterol, LDL / Q000378:metabolism; D005260:Female; D005787:Gene Frequency; D006801:Humans; D015151:Immunoblotting; D050356:Lipid Metabolism; D008297:Male; D008875:Middle Aged; D011110:Polymorphism, Genetic; D012044:Regression Analysis; D017678:Sex Distribution; D013624:Taiwan
chemical_list: D001057:Apolipoproteins E; D008076:Cholesterol, HDL; D008078:Cholesterol, LDL