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5-Carboxamidotryptamine (5-CT) is a tryptamine derivative closely related to the
neurotransmitter A neurotransmitter is a signaling molecule secreted by a neuron to affect another cell across a synapse. The cell receiving the signal, any main body part or target cell, may be another neuron, but could also be a gland or muscle cell. Neuro ...
serotonin Serotonin () or 5-hydroxytryptamine (5-HT) is a monoamine neurotransmitter. Its biological function is complex and multifaceted, modulating mood, cognition, reward, learning, memory, and numerous physiological processes such as vomiting and vas ...
. 5-CT acts as a non-selective, high-affinity full agonist at the 5-HT1A, 5-HT1B, 5-HT1D, 5-HT5A, and 5-HT7 receptors, as well as at the 5-HT2, 5-HT3, 5-HT6 receptors with lower affinity. It has negligible affinity for the 5-HT1E and 5-HT1F receptors. 5-CT binds most strongly to the 5-HT1A receptor and it was once thought to be selective for this site. Recently, a close derivative of 5-CT, AH-494 has been shown to function as an agonist of
5-HT7 The 5-HT7 receptor is a member of the GPCR superfamily of cell surface receptors and is activated by the neurotransmitter serotonin (5-hydroxytryptamine, 5-HT) The 5-HT7 receptor is coupled to Gs (stimulates the production of the intracellular ...
, although being more selective over
5-HT1A The serotonin 1A receptor (or 5-HT1A receptor) is a subtype of serotonin receptor, or 5-HT receptor, that binds serotonin, also known as 5-HT, a neurotransmitter. 5-HT1A is expressed in the brain, spleen, and neonatal kidney. It is a G protein-c ...
. Structural study indicated residue Ser5x43 might play critical roles in the selectivity of 5-CT across the serotonin receptor family.


See also

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2-Methyl-5-hydroxytryptamine 2-Methyl-5-hydroxytryptamine (2-Methylserotonin, 2-Methyl-5-HT) is a tryptamine derivative closely related to the neurotransmitter serotonin which acts as a moderately selective full agonist at the 5-HT3 receptor. See also * 5-Carboxamidotry ...
*
5-Benzyloxytryptamine 5-Benzyloxytryptamine (5-BT), is a tryptamine derivative which acts as an agonist at the 5-HT1D, 5-HT2 and 5-HT6 serotonin receptors, and an antagonist of TRPM8. Legality 5-Benzyloxytryptamine is illegal in Singapore. See also * 5-Carboxam ...
*
5-Methoxytryptamine 5-Methoxytryptamine (5-MT), also known as mexamine, is a tryptamine derivative closely related to the neurotransmitters serotonin and melatonin. 5-MT has been shown to occur naturally in the body in low levels. It is biosynthesized via the deacet ...
* α-Methyl-5-hydroxytryptamine * Frovatriptan * AH-494 * Acetryptine *
Sumatriptan Sumatriptan, sold commonly under brand names Imitrex and Treximet among others, is a medication used to treat migraine headaches and cluster headaches. It is taken orally, intranasally, or by subcutaneous injection. Therapeutic effects gen ...


References

Serotonin receptor agonists Tryptamines Carboxamides Serotonin releasing agents {{nervous-system-drug-stub