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Pharmacol."],"published-print":{"date-parts":[[2026,1,1]]},"abstract":"<jats:p>Obesity, type 2 diabetes (T2D), and cardiovascular disease are closely related conditions contributing to the global rise in cardiometabolic disease. Incretin hormones, glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP) have emerged as critical regulators of glucose metabolism, pancreatic function, and cardiovascular physiology. However, despite increasing clinical use of GLP-1 receptor agonists and dual GLP-1\/GIP agonists, the precise mechanisms by which endogenous incretins influence cardiovascular tissues remain incompletely understood, particularly in the context of obesity and T2D. This review explores the signalling mechanisms and physiological actions of natural endogenous GLP-1 and GIP, with a focus on cardiovascular physiology. 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