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MDMA (3,4-methylenedioxymethamphetamine) is a psychostimulant popular as a recreational drug because of its effect on mood and social interactions. MDMA acts at dopamine (DA) transporter (DAT) and serotonin (5-HT) transporter (SERT) and is known to induce damage of dopamine and serotonin neurons. MDMA is often ingested with caffeine. Caffeine as a non-selective adenosine A1/A2A receptor antagonist...
Amino acid (AA) depletion techniques have been used to decrease serotonin (5-HT) and/or dopamine (DA) synthesis after administration of a tryptophan (acute tryptophan depletion, ATD) or phenylalanine/tyrosine-free (phenylalanine–tyrosine depletion, PTD) AA formula and are useful as neurochemical challenge procedures to study the impact of DA and 5-HT in patients with neuropsychiatric disorders. We...
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