cAMP is a derivative of adenosine triphosphate (ATP) and serves as a second messenger in numerous biochemical pathways. Its importance lies in its role in transmitting signals from extracellular stimuli, such as hormones and neurotransmitters, to intracellular targets. This signal transduction is vital for regulating processes such as cell growth, metabolism, and immune responses. In toxicology, understanding cAMP pathways can help elucidate how toxicants disrupt normal cellular functions.
