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  • Title: Lipid and apolipoprotein levels in six Solomon Island societies differ from those in a U.S. white population.
    Author: Kottke BA, Friedlaender JS, Zerba KE, Sing CF.
    Journal: Am J Phys Anthropol; 1990 Apr; 81(4):483-91. PubMed ID: 2110417.
    Abstract:
    Levels of plasma cholesterol, triglycerides, and apolipoproteins (apo) AI, AII, and E in 560 males and 744 females from six Solomon Island societies were compared with levels in age- and sex-matched participants in the Rochester Family Heart Study (RFHS). The overall average cholesterol, triglyceride, apo AI, and apo AII levels for all the Solomon Island societies were significantly lower than levels for the RFHS (P less than 0.001). The mean level of apo E for these societies was significantly higher than levels in RFHS in spite of the fact that the levels of triglycerides were significantly lower. Normally, apo E is a major constituent of triglyceride-rich very-low-density lipoprotein (VLDL). For both sexes, none of the Solomon Island societies showed a significant correlation of plasma cholesterol levels with apo E. In the RFHS, this correlation was 0.50 in males and 0.43 in females. Mean apo E levels are estimated to be 4.15-6.0% of the high-density lipoprotein (HDL) protein in the different Solomon Island societies. This study establishes a distinctive Solomon Island lipid profile characterized by the high apo E levels, which appear to be associated primarily with the HDL particle, whereas, in normal Western populations, it is associated primarily with VLDL, and only small quantities are associated with HDL.
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