Previous studies have demonstrated defects in the trafficking and translocation of GLUT4 glucose transporter in skeletal muscle and adipose tissue to be a major cause of insulin resistance in humans. IRAP (Secreted Insulin Regulated AminoPeptidase) is a protein which collocalizes and is translocated with GLUT4 to the plasma membrane in response to insulin. The extracellular domain of IRAP is cleaved and released in the bloodstream. Therefore, IRAP plasma concentration could be a good marker of insulin sensitivity. In this study the investigators seek to confirm this hypothesis by using the gold standard of insulin sensitivity assessment: the hyperinsulinemic-euglycemic clamp. It is a multicenter descriptive study.
Age range
18 Years – 35 Years
Sex
ALL
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IRAP plasma concentration during the hyperinsulinemic euglycemic clamp
Timeframe: 30 min before the clamp and during the clamp every 10 min for a duration of 240 min.