Physiology and clinical applications of GIP

Glucose-dependent insulinotropic polypeptide (GIP) is secreted by enteroendocrine K cells, primarily located in the upper small intestine, in response to food intake and plays a significant role in the postprandial regulation of nutrient metabolism. Although the importance of GIP in metabolic regula...

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Main Authors: Shunsuke Yamane, Norio Harada, Nobuya Inagaki
Format: Article
Language:English
Published: The Japan Endocrine Society 2025-07-01
Series:Endocrine Journal
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Online Access:https://www.jstage.jst.go.jp/article/endocrj/72/7/72_EJ25-0087/_html/-char/en
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author Shunsuke Yamane
Norio Harada
Nobuya Inagaki
author_facet Shunsuke Yamane
Norio Harada
Nobuya Inagaki
author_sort Shunsuke Yamane
collection DOAJ
description Glucose-dependent insulinotropic polypeptide (GIP) is secreted by enteroendocrine K cells, primarily located in the upper small intestine, in response to food intake and plays a significant role in the postprandial regulation of nutrient metabolism. Although the importance of GIP in metabolic regulation has long been recognized, progress in developing GIP as a therapeutic target has been limited. However, the GIP/GIP receptor (GIPR) axis has garnered increasing attention in recent years. Emerging evidence suggests that dual GIP/GLP-1 receptor agonists and triple GIP/GLP-1/glucagon receptor agonists provide beneficial metabolic effects in individuals with type 2 diabetes and obesity. In this review, we outline the physiological roles of GIP, detailing the mechanisms of GIP secretion from K cells in response to macronutrients, its actions on key target organs involved in metabolic regulation, and ongoing developments in its therapeutic applications.
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spelling doaj-art-4fb8b813156d45d0a2117bc5087c3f082025-07-01T00:45:09ZengThe Japan Endocrine SocietyEndocrine Journal1348-45402025-07-0172775176410.1507/endocrj.EJ25-0087endocrjPhysiology and clinical applications of GIPShunsuke Yamane0Norio Harada1Nobuya Inagaki2Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, JapanDepartment of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, JapanDepartment of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, JapanGlucose-dependent insulinotropic polypeptide (GIP) is secreted by enteroendocrine K cells, primarily located in the upper small intestine, in response to food intake and plays a significant role in the postprandial regulation of nutrient metabolism. Although the importance of GIP in metabolic regulation has long been recognized, progress in developing GIP as a therapeutic target has been limited. However, the GIP/GIP receptor (GIPR) axis has garnered increasing attention in recent years. Emerging evidence suggests that dual GIP/GLP-1 receptor agonists and triple GIP/GLP-1/glucagon receptor agonists provide beneficial metabolic effects in individuals with type 2 diabetes and obesity. In this review, we outline the physiological roles of GIP, detailing the mechanisms of GIP secretion from K cells in response to macronutrients, its actions on key target organs involved in metabolic regulation, and ongoing developments in its therapeutic applications.https://www.jstage.jst.go.jp/article/endocrj/72/7/72_EJ25-0087/_html/-char/englucose-dependent insulinotropic polypeptide (gip)incretinobesitydiabetes
spellingShingle Shunsuke Yamane
Norio Harada
Nobuya Inagaki
Physiology and clinical applications of GIP
Endocrine Journal
glucose-dependent insulinotropic polypeptide (gip)
incretin
obesity
diabetes
title Physiology and clinical applications of GIP
title_full Physiology and clinical applications of GIP
title_fullStr Physiology and clinical applications of GIP
title_full_unstemmed Physiology and clinical applications of GIP
title_short Physiology and clinical applications of GIP
title_sort physiology and clinical applications of gip
topic glucose-dependent insulinotropic polypeptide (gip)
incretin
obesity
diabetes
url https://www.jstage.jst.go.jp/article/endocrj/72/7/72_EJ25-0087/_html/-char/en
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