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Abstract
Eight young, non-obese patients with primary familial hypercholesterolemia (FH) and
8 healthy subjects matched for age, body mass index, lean body mass, plasma triglyceride
and HDL-levels and arterial blood pressure were selected from a lipid clinic. Patients
with FH had higher plasma LDL-cholesterol (8.3 ± 0.5 vs. 4.1 ± 0.2 mmol/l, P < 0.001) than controls but similar plasma triglyceride (1.15 ± 0.04 vs. 1.10 ± 0.02
mmol/l P = NS) levels. Both study groups were submitted to a euglycaemic hyperinsulinemic
glucose clamp combined with simultaneous infusion of [3H]glucose to measure insulin action on whole-body glucose uptake and on hepatic glucose
production. Two insulin infusion rates (0.15 mU/kg per min from 0 to 120 min and 0.30
mU/kg per min from 121 to 240 min) were used resulting in similar plasma insulin levels
in both groups studied. Our results demonstrate that both whole-body glucose uptake
and hepatic glucose output are similar in the fasting state as well as during insulin
administration in both groups of subjects. We conclude that, in the absence of other
causes of insulin resistance, isolated hypercholesterolemia is associated with normal
sensitivity to insulin in both liver and peripheral tissues.
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Article info
Publication history
Accepted:
March 9,
1993
Received in revised form:
February 26,
1993
Received:
November 6,
1992
Identification
Copyright
© 1993 Published by Elsevier Inc.