Fig. 1. Schematic representation of the distribution of glucagon-like peptide-1 (GLP-1) receptors (GLP-1Rs) and the cardiovascular and systemic effects of GLP-1. Modified from Ravassa et al. [25], with permission from Oxford University Press. cAMP, cyclicadenosine monophosphate; cGMP, cyclic guanosine monophosphate; NOS, nitric oxide synthase; PKA, protein kinase A.
