Glucagon-like peptide-1 (GLP-1) receptor agonists and their cardiovascular benefits : the role of the GLP-1 receptor
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Abstract
Cardiovascular outcome trials revealed cardiovascular benefits for type 2 diabetes mellitus patients when treated with long-acting glucagon-like peptide-1 (GLP-1) receptor agonists. In the last decade, major advances were made characterising the physiological effects of GLP-1 and its action on numerous targets including brain, liver, kidney, heart and blood vessels. However, the effects of GLP-1 and receptor agonists, and the GLP-1 receptor on the cardiovascular system have not been fully elucidated. We compare results from cardiovascular outcome trials of GLP-1 receptor agonists and review pleiotropic clinical and preclinical data concerning cardiovascular protection beyond glycaemic control. We address current knowledge on GLP-1 and receptor agonist actions on the heart, vasculature, inflammatory cells and platelets, and discuss evidence for GLP-1 receptor-dependent versus independent effects secondary of GLP-1 metabolites. We conclude that the favourable cardiovascular profile of GLP-1 receptor agonists might expand their therapeutic use for treating cardiovascular disease even in non-diabetic populations.