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  • Title: DNA polymorphisms of the apolipoprotein AII and AI-CIII-AIV genes: a study in men selected for differences in high-density-lipoprotein cholesterol concentration.
    Author: Kessling AM, Rajput-Wiliams J, Bainton D, Scott J, Miller NE, Baker I, Humphries SE.
    Journal: Am J Hum Genet; 1988 Mar; 42(3):458-67. PubMed ID: 2894758.
    Abstract:
    We have investigated the frequencies of RFLPs of the apolipoprotein (apo) AII gene and of the apo AI-CIII-AIV gene cluster in 109 men, selected from a random sample of 1,910 men aged 45-59 years, to cover a wide range of plasma high-density-lipoprotein (HDL)-cholesterol concentration. There was no significant difference in apo AI or apo AII RFLP allele frequency between groups of individuals with high and low HDL-cholesterol concentration. However, the apo AI PstI RFLP showed an association with genetic variation determining the plasma concentration of apo AI in this sample. Genetic variation in the apo AI-CIII-AIV gene region, as defined by haplotypes, accounted for 16% of the phenotypic variance in the apo AI concentration and for 8% of the phenotypic variance in HDL-cholesterol concentration. There was no significant association between alleles of the apo AII MspI RFLP and genetic variation determining apo AII or HDL concentration. The data demonstrate that genetic variation in the apo AI-CIII-AIV gene cluster is involved in determining the serum concentration of apo AI in this sample of clinically well individuals.
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