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The Capital Region of Denmark - a part of Copenhagen University Hospital
E-pub ahead of print

GIP's involvement in the pathophysiology of type 2 diabetes

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During the past four decades derangements in glucose-dependent insulinotropic polypeptide (GIP) biology has been viewed upon as contributing factors to various parts of the pathophysiology type 2 diabetes. This overview outlines and discusses the impaired insulin responses to GIP as well as the effect of GIP on glucagon secretion and the potential involvement of GIP in obesity and bone disease associated with type 2 diabetes. As outlined in this review, it is unlikely that impaired insulinotropic effects of GIP occur as a primary event in the development of type 2 diabetes, but rather develop once the diabetic state is present and beta cells are unable to maintain normoglycemia. In various models, GIP has effects on glucagon secretion, bone and lipid homeostasis, but whether these effects contribute substantially to the pathophysiology of type 2 diabetes is at present controversial. The review also discusses the substantial uncertainty surrounding the translation of preclinical data relating to the GIP system and outline future research directions.

Original languageEnglish
JournalPeptides
ISSN0196-9781
DOIs
Publication statusE-pub ahead of print - 1 Nov 2019

ID: 58295673