Cyclic adenosine monophosphate (cAMP)- dependent protein kinase, labeled with fluorescein and rhodamine on the catalytic and regulatory subunits, respectively, was injected into Aplysia sensory neurons either in culture or in intact cell clusters. (science.sciencemag.org)
Sildenafil, the active ingredient in Viagra, is known to inhibit the degradation of cyclic guanosine monophosphate (cGMP), a messenger molecule that advances the body clock in response to light. (scientificamerican.com)
Corticotropin - releasing factor stimulates accumulation of adenosine 3», 5» - monophosphate in rat pituitary corticotrophs (science.sciencemag.org)