Treatment of Type 1 Diabetic Patients with Glucagon-Like Peptide-1 (GLP-1) and GLP-1R Agonists

Author(s): Urd Kielgast, Jens J. Holst, Sten Madsbad.

Journal Name: Current Diabetes Reviews

Volume 5 , Issue 4 , 2009

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Abstract:

GLP-1 (glucagon-like peptide-1) is a peptide hormone secreted from endocrine cells in the intestinal mucosa in response to meals. The major effects of GLP-1 are to increase glucose-induced insulin secretion and reduce glucagon release, but GLP-1 also inhibits gastric emptying rate and reduces appetite and bodyweight in obese subjects. In vivo studies using animal models of type 2 diabetes and in vitro studies using human islet cells have suggested that GLP-1 or GLP-1 analogues are also able to increase ß-cell mass, but in animal models of type 1 diabetes, there is much less evidence for a ß-cell preserving effect. This review summarizes the present knowledge of GLP-1 and its analogues regarding its role as a possible treatment in patients with type 1 diabetes. The studies that address the effect of GLP-1 and GLP-1 analogues on ß-cell mass in both type 2 and type 1 diabetes, as well as the potential of GLP-1 as an adjuvant therapy in islet cell transplantation, will be reviewed. Suggestions for future studies of GLP-1 treatment in type 1 diabetes may include early treatment in order to preserve ß-cell mass and prolong the remission period, but should also take a potential insulin sparing effect and changes in the risk of hypoglycemia into account.

Keywords: Type 1 diabetes, GLP-1, Glucagon, ß-cell mass, Residual insulin secretion, Glycemic control

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Article Details

VOLUME: 5
ISSUE: 4
Year: 2009
Page: [266 - 275]
Pages: 10
DOI: 10.2174/157339909789804413
Price: $58

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