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- Title
Apolipoprotein E polymorphism modifies relation of hyperinsulinemia to hypertriglyceridemia.
- Authors
Després, Jean-Pierre; Verdon, Marie-France; Moorjani, Sital; Pouliot, Marie-Christine; Nadeau, André; Bouchard, Claude; Tremblay, Angelo; Lupien, Paul J.; Després, J P; Verdon, M F; Moorjani, S; Pouliot, M C; Nadeau, A; Bouchard, C; Tremblay, A; Lupien, P J
- Abstract
The effect of apolipoprotein E polymorphism on the established relationships between glucose tolerance, plasma insulin levels, and plasma lipoprotein concentrations were investigated in a sample of women defined on the basis of apolipoprotein E phenotypes. In women with the apolipoprotein E epsilon 2 allele (n = 22), fasting plasma insulin and glucose and insulin areas under the curve measured during an oral glucose tolerance test were positively correlated with plasma triglyceride levels (0.48 < or = r < or = 0.70; P < 0.05). In this group, very-low-density lipoprotein cholesterol and very-low-density lipoprotein triglyceride concentrations were positively correlated with fasting insulin levels, the insulin area, and with the ratio of insulin area to glucose area. In women (n = 24) homozygous for the apolipoprotein E epsilon 3 allele (the most common allele), essentially similar associations were found. In contrast, in women (n = 17) with the apolipoprotein E epsilon 4 allele, no association was found between glucose tolerance, fasting and postglucose plasma insulin levels, and plasma lipid and lipoprotein levels. These results suggest that apolipoprotein E polymorphism substantially modifies the associations between glucose tolerance, plasma insulin levels, and plasma lipoprotein concentrations. Additional analysis of the data revealed that apolipoprotein E polymorphism did not alter the relationships between body fat distribution and fasting insulin and postglucose insulin levels, but no correlation was observed between fatness indexes and glucose tolerance among apolipoprotein E epsilon 2 carriers.(ABSTRACT TRUNCATED AT 250 WORDS)
- Publication
Diabetes, 1993, Vol 42, Issue 10, p1474
- ISSN
0012-1797
- Publication type
journal article
- DOI
10.2337/diab.42.10.1474