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Glp-1-Based Therapies for Type 2 Diabetes: From Single, Dual and Triple Agonists to Endogenous Glp-1 Production and L-Cell Differentiation Publisher

Summary: Study finds GLP-1 therapies and L-cell growth could improve type 2 diabetes treatment. #Diabetes #Endocrinology

Movahednasab M1, 2 ; Dianatmoghadam H1, 2 ; Khodadad S3 ; Nedaeinia R2 ; Safabakhsh S4 ; Ferns G5 ; Salehi R1, 2
Authors

Source: Diabetology and Metabolic Syndrome Published:2025


Abstract

Glucagon-like peptide-1 (GLP-1) is an incretin peptide hormone mainly secreted by enteroendocrine intestinal L-cells. GLP-1 is also secreted by α-cells of the pancreas and the central nervous system (CNS). GLP-1 secretion is stimulated by nutrient intake and exerts its effects on glucose homeostasis by stimulating insulin secretion, gastric emptying confiding the food intake, and β-cell proliferation. The insulinotropic effects of GLP-1, and the reduction of its effects in type 2 diabetes mellitus (T2DM), have made GLP-1 an attractive option for the treatment of T2DM. Furthermore, GLP-1-based medications such as GLP-1 receptor agonists and dipeptidyl peptidase-4 inhibitors, have been shown to improve diabetes control in preclinical and clinical trials with human subjects. Importantly, increasing the endogenous production of GLP-1 by different mechanisms or by increasing the number of intestinal L-cells that tend to produce this hormone may be another effective therapeutic approach to managing T2DM. Herein, we briefly describe therapeutic agents/compounds that enhance GLP-1 function. Then, we will discuss the approaches that can increase the endogenous production of GLP-1 through various stimuli. Finally, we introduce the potential of L-cell differentiation as an attractive future therapeutic approach to increase GLP-1 production as an attractive therapeutic alternative for T2DM. © The Author(s) 2025.
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