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5-HT2 receptors are a family of 5-HT receptors, with the following members:
Multiple receptor subtypes of serotonin (5-HT) neurotransmitters with multiple physiologic functions have been recognized. The 5-HT-2 receptors mediate many of the central and peripheral physiologic functions of serotonin. Cardiovascular effects include contraction of blood vessels and shape changes in platelets; central nervous system effects include neuronal sensitization to tactile stimuli and mediation of hallucinogenic effects of phenylisopropylamine hallucinogens. 
- Main article: 5-HT2A receptor
This is the main excitatory receptor subtype among the GPCRs for serotonin (5-HT), although 5-HT2A may also have an inhibitory effect on certain areas such as the visual cortex and the orbitofrontal cortex. This receptor was given importance first as the target of psychedelic drugs like LSD. Later it came back to prominence because it was also found to be mediating, at least partly, the action of many antipsychotic drugs, especially the atypical ones.
- Main article: 5-HT2B receptor
- Main article: 5-HT2C receptor
- ↑ [supplied by OMIM] Entrez Gene: HTR2B 5-hydroxytryptamine (serotonin) receptor 2B.
Cell physiology: cell signaling
|Types of proteins|
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