The aim of the present study was to investigate the secretion and the hepatic removal of insulin in a group of 14 unaffected offspring of 14 type 2 (noninsulin-dependent) diabetic couples compared to 14 healthy subjects without family history of diabetes mellitus. The two groups, each consisting of 5 obese and 9 nonobese subjects, were carefully matched for sex, age, and body weight. We examined glucose, insulin, and C-peptide levels, as well as C-peptide to insulin ratios and relations during the oral glucose tolerance test. Glucose concentrations and incremental areas were similar in the two groups, as well as insulin and C-peptide levels and areas. C-peptide to insulin molar ratios, both in fasting state and after glucose load, as well as relations between C-peptide and insulin incremental areas were not different. Our results suggest that the healthy offspring of type 2 diabetic couples have a normal response of beta-cell to oral glucose as well as a normal removal of insulin by the liver.
Evidence for unimpaired pancreatic secretion and hepatic removal of insulin in healthy offspring of type 2 (noninsulin-dependent) diabetic couples / Bonora E; Zavaroni I; Bruschi F; Alpi O; Pezzarossa A; Dall'Aglio E; Coscelli C; Butturini U.. - In: HORMONE RESEARCH. - ISSN 0301-0163. - 20(2)(1984), pp. 138-142.
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