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Horm Metab Res. 2001 Jun;33(6):358-60.

Effect of glycine on insulin secretion and action in healthy first-degree relatives of type 2 diabetes mellitus patients.

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1
Medical Research Unit in Clinical Epidemiology, West National Medical Center, Mexican Institute of Social Security, Guadalajara. uiec@prodigy.net.mx

Abstract

The aim of this study was to identify the effect of glycine on insulin secretion and action in healthy first-degree relatives of Type 2 diabetes mellitus patients. A randomized, double-blind, placebo-controlled clinical trial was performed in 12 healthy, non-obese volunteers who were first-degree relatives of Type 2 diabetes mellitus patients. Six volunteers received a morning dose of glycine 5 g orally and the other six received placebo. At baseline without drugs and after pharmacological intervention, a metabolic profile and, to assess insulin secretion and action, a hyperglycemic-hyperinsulinemic clamp study were performed. There were no significant differences in baseline metabolic profile, insulin secretion or action between groups. Changes from baseline of early (p < 0.05), late (p < 0.05), and total insulin (p < 0.02) responses were higher in the glycine group than in controls. There were no significant differences in the changes from baseline of insulin action between groups. In conclusion, a morning dose of glycine 5 g orally increased early, late and total insulin responses without changes in insulin action in healthy first-degree relatives of Type 2 diabetes mellitus patients.

PMID:
11456285
[Indexed for MEDLINE]

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