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E7019 Exendin-3 ≥97%  
E7144 Exendin-4 ≥97% Activates GLP-1 (glucagon-like peptide-1) receptors to increase intracellular cAMP in pancreatic acinar cells; has no effect on VIP receptors.
Exendin-4 mimics the activity of mammalian incretin hormone glucagon-like peptide 1 (GLP-1), and thus, functions in the control of glucose. This includes the secretion of insulin in a glucose dependent manner, negative regulation of high glucagon secretion, and increased duration of stomach emptying. In type 2 diabetes patients, this peptide can be administered subcutaneously for glycemic control, when metformin is unable to produce adequate results. It promotes the neogeneration and proliferation of β-cells, and thus aids in the regeneration of pancreas. It acts as a ligand to exendin receptor, and leads to an elevation of acinar cell cAMP levels.