Cyclic GMP (sodium salt)

Cyclic GMP (CAS No.: 40732-48-7) is a ubiquitous intracellular second messenger generated from guanosine triphosphate by guanylate cyclases in response to extracellular stimuli such as nitric oxide and natriuretic peptides, and it plays a central role in transducing signaling pathways that regulate diverse physiological processes. Functionally, cyclic GMP exerts its biological effects primarily through activation of cGMP-dependent protein kinases, modulation of cyclic nucleotide-gated ion channels, and regulation of phosphodiesterases, thereby influencing smooth muscle relaxation, vascular tone, neuronal signaling, platelet function, and phototransduction in retinal cells. Through these mechanisms, cyclic GMP is critically involved in cardiovascular homeostasis, sensory perception, and cellular proliferation and apoptosis. In experimental systems, cyclic GMP and its analogs are widely used to investigate signal transduction pathways, including nitric oxide-mediated signaling and downstream kinase activation, with activity typically observed across nanomolar to micromolar concentration ranges depending on assay context and target engagement. Its ability to inhibit platelet adhesion and aggregation further supports its relevance in thrombosis and vascular biology research. Consequently, cyclic GMP serves as a fundamental tool in cell-based assays, animal models, and drug discovery programs aimed at elucidating mechanisms underlying cardiovascular, neurological, and metabolic disorders, with dosing and application conditions tailored to specific experimental objectives.