Cyclic adenosine monophosphate (cAMP) is a ubiquitous intracellular second messenger. Its level depends on the activity of a variety of enzymes and proteins, which control the synthesis and degradation of cAMP.

• 环腺苷酸 (cAMP)是细胞内广泛存在的第二信使 ,其含量取决于影响其合成与降解的多种酶与蛋白质的活性。