5-HT2 receptor

5-HT2 receptor is a type of receptor that is activated by the neurotransmitter serotonin. It is part of the serotonin receptor family and is found in the central nervous system, the cardiovascular system, and the gastrointestinal tract.

Function

The 5-HT2 receptor is involved in a variety of physiological processes. In the central nervous system, it plays a role in cognition, mood, and anxiety. In the cardiovascular system, it is involved in vasoconstriction and platelet aggregation. In the gastrointestinal tract, it is involved in motility and secretion.

Subtypes

There are three known subtypes of the 5-HT2 receptor: 5-HT2A, 5-HT2B, and 5-HT2C. Each subtype has a different distribution in the body and is associated with different physiological functions.

5-HT2A

The 5-HT2A receptor is primarily found in the brain, where it is involved in neurotransmission. It is also found in the blood vessels, where it is involved in vasoconstriction.

5-HT2B

The 5-HT2B receptor is primarily found in the heart, where it is involved in cardiac function. It is also found in the stomach, where it is involved in gastric motility.

5-HT2C

The 5-HT2C receptor is primarily found in the brain, where it is involved in neurotransmission. It is also found in the pancreas, where it is involved in insulin secretion.

Clinical significance

The 5-HT2 receptor is a target for a variety of pharmaceutical drugs, including antidepressants, antipsychotics, and anxiolytics. These drugs work by either enhancing or inhibiting the activity of the 5-HT2 receptor, depending on the specific drug and the specific subtype of the 5-HT2 receptor.

See also

• Serotonin
• Serotonin receptor
• Neurotransmitter
• Central nervous system
• Cardiovascular system
• Gastrointestinal tract

5-HT2 receptor Resources
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