different serotonin receptor types
The 5-HT1B receptor as an example of a metabotropic serotonin receptor. The serotonin receptors, also known as 5-hydroxytryptamine receptors or 5-HT receptors, are a group of G protein-coupled receptors (GPCRs) and ligand-gated ion channels (LGICs) found in the central and peripheral nervous systems. They mediate both excitatory and inhibitory neurotransmission.
The neurotransmitter serotonin (5-hydroxytryptamine, 5-HT) mediates a wide range of physiological functions by interacting with multiple receptors, and these receptors have been implicated as playing important roles in certain pathological and psychopathological conditions.