Arachidonoyl serotonin

Arachidonoyl serotonin (also known as N-arachidonoyl-serotonin or AA-5-HT) is a bioactive lipid that is involved in the regulation of mood and pain. It is a hybrid molecule that is derived from the fatty acid arachidonic acid and the neurotransmitter serotonin.

Structure and Synthesis

Arachidonoyl serotonin is a conjugate of arachidonic acid and serotonin. The arachidonic acid moiety is attached to the serotonin molecule via an amide bond. The synthesis of arachidonoyl serotonin involves the enzyme fatty acid amide hydrolase (FAAH), which catalyzes the formation of the amide bond.

Biological Activity

Arachidonoyl serotonin is a potent inhibitor of FAAH, which is involved in the degradation of endocannabinoids. By inhibiting FAAH, arachidonoyl serotonin increases the levels of endocannabinoids, which are involved in the regulation of mood, pain, and other physiological processes. Arachidonoyl serotonin also acts as a serotonin receptor agonist, which contributes to its mood-regulating effects.

Therapeutic Potential

Due to its dual action on the endocannabinoid and serotonin systems, arachidonoyl serotonin has been investigated for its potential therapeutic applications. It has shown promise in preclinical studies for the treatment of depression, anxiety, pain, and inflammation. However, further research is needed to fully understand its mechanisms of action and to evaluate its safety and efficacy in humans.

See Also

• Arachidonic acid
• Serotonin
• Endocannabinoids
• Fatty acid amide hydrolase

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