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cGMP: cyclic guanosine monophosphate; CNGC: cyclic nucleoside gated-ion channels; GMP: guanosine monophosphate; GTP: guanosine triphosphate; NO: nitric oxide; NOS: nitric oxide synthase; PDE: phosphodiesterase; PKG: protein kinase G; sGC: soluble guanylate cyclase
