Cyclic-AMP

Definition

Cyclic-AMP (cAMP) is a second messenger used for intracellular signal transduction, such as transferring into cells the effects of hormones like glucagon and adrenaline, which cannot pass through the plasma membrane.

Related terms

G Protein-Coupled Receptors (GPCRs): These are proteins on cell membranes that interact with signaling molecules outside the cell and trigger responses inside the cell, often involving production of cAMP.

Protein Kinase A (PKA): An enzyme activated by cAMP that regulates various cellular functions by adding phosphate groups to specific proteins.

Signal Transduction:

The process by which a chemical or physical signal is transmitted through a cell via a series of molecular events, often involving enzymes like PKA.