N-Methyl-D-aspartic acid

Common card · No. 486461

N-methyl-D-aspartic acid, or N-methyl-D-aspartate (NMDA), is an amino acid derivative that acts as a specific agonist at the NMDA receptor mimicking the action of glutamate, the neurotransmitter which normally acts at that receptor. Unlike glutamate, NMDA only binds to and regulates the NMDA receptor and has no effect on other glutamate receptors (such as those for AMPA and kainate). NMDA receptors are particularly important when they become overactive during, for example, alcohol withdrawal, as this causes symptoms such as agitation and, sometimes, epileptiform seizures.

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