20 Citazioni (Scopus)


Previous studies suggested that endogenous glucagon-like peptide 2 (GLP-2) is dispensable for the regulation of glucose homeostasis under normal conditions, while it can play a beneficial role in obesity conditions. The purpose of the present study was to investigate whether chronic treatment with Gly2-GLP-2, a stable analogue of GLP-2, can have an impact on glycaemic and lipid control in mice fed a high-fat diet (HFD), an animal model of human obesity and insulin resistance. HFD mice were treated once a day with Gly2-GLP-2 for 4 weeks. Body weight, food intake, fasting glucose, intraperitoneal glucose tolerance, insulin-induced glucose clearance, glucose-stimulated insulin secretion, β-cell mass, plasma lipid metabolic profile, and lipid deposition in the liver were examined. In untreated HFD mice, fasting glucose levels, glucose tolerance, glucose-stimulated plasma insulin and sensibility to exogenous insulin were deteriorating with time and β-cell mass increased. In Gly2-GLP-2-treated mice, we found significant increase in glucose tolerance and exogenous insulin sensitivity, reduction in glucose-stimulated plasma insulin and in the increase in β-cell mass in comparison with pair-aged HFD untreated animals. The chronic treatment with the peptide was not associated with remarkable improvements of dyslipidemia and it did not prevent liver fat accumulation and the presence of microvesicular steatosis. In conclusion, the results of the present study suggest, for the first time, that Gly2-GLP-2 may produce glucose metabolic benefits in mice with diet-induced obesity. The mechanisms underlying the beneficial impact of GLP-2 on glucose metabolism remain to be established
Lingua originaleEnglish
pagine (da-a)648-656
Numero di pagine9
Stato di pubblicazionePublished - 2016

All Science Journal Classification (ASJC) codes

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