Indolamines
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Indolamines are a family of neurotransmitters that share a common molecular structure (namely, indolamine). A common example of an indolamine is serotonin, which is a neurotransmitter involved in mood and sleep. Another example of an indolamine is melatonin, which regulates the sleep-wake cycle (circadian rhythm) in humans.
In biochemistry, indoleamines are substituted indole compounds that contain an amino group. Examples of indoleamines are the tryptamines, such as 5-hydroxytryptamine (serotonin, 5-HT) and the lysergamides.
Also, histamines are a part of the indolamine family. Histamines are synthesized by the amino acid histidine.[citation needed]
Synthesis
In humans, neurotransmitters in the indolamine family are believed to be produced in the pineal gland.[citation needed] Indolamines are biologically synthesized from the essential amino acid tryptophan.
See also
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