5,7-Dihydroxytryptamine

5,7-Dihydroxytryptamine

5,7-Dihydroxytryptamine (5,7-DHT) is a neurotoxin that is used in scientific research to decrease the levels of serotonin in the brain. It is a derivative of the amino acid tryptophan, and is often used in animal models to simulate conditions of serotonin deficiency.

Chemistry

5,7-DHT is a tryptamine derivative, which is a class of compounds derived from tryptophan. It has two hydroxyl groups attached to the 5 and 7 positions of the indole ring, hence the name 5,7-dihydroxytryptamine.

Mechanism of Action

5,7-DHT acts by entering the serotonergic neurons via the serotonin transporter (SERT). Once inside, it is metabolized into a reactive o-quinone species, which causes oxidative damage and ultimately leads to cell death. This results in a long-term depletion of serotonin in the brain.

Uses in Research

In research, 5,7-DHT is often used to create animal models of serotonin deficiency, which can be used to study conditions such as depression, anxiety, and obsessive-compulsive disorder (OCD). It is also used to investigate the role of serotonin in various physiological processes, such as sleep, appetite, and mood regulation.

Safety

As a neurotoxin, 5,7-DHT is potentially harmful and should be handled with care. It can cause damage to the skin and eyes, and if inhaled or ingested, it can cause harm to the respiratory and gastrointestinal systems.

See Also

• Serotonin
• Tryptamine
• Neurotoxin

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