NMDA
Noun
Meaning
NMDA
(biochemistry) Abbreviation of N-Methyl-D-aspartic acid, an amino acid derivative.
Anagrams
Examples
Alcohol inhibits glutamate (a major excitatory neurotransmitter in the nervous system) neurotransmission by reducing the effectiveness at the NMDA receptor, which is related to memory loss associated with intoxication.
Also, due to NMDA antagonism, the user may experience all the psychedelic effects present in classical dissociatives such as ketamine in forms of thought loops and feeling of mind being disconnected from one's body.
Chronic consumption is also associated with an effect on CREB phosphorylation and function via postsynaptic NMDA receptor signaling cascades through a MAPK/ERK pathway and CAMK -mediated pathway.
Excessive glutamate activity is believed to be involved in catatonia; when first-line treatment options fail, NMDA antagonists such as amantadine or memantine are used.
Chronic users often have high methadone and EDDP baseline values. citation Pharmacology Methadone acts by binding to the µ-opioid receptor, but also has some affinity for the NMDA ionotropic glutamate receptor.
Dextromethorphan has been noted to slow the development of tolerance to opioids and exert additional analgesia by acting upon the NMDA receptors; some analgesics such as methadone and ketobemidone and perhaps piritramide have intrinsic NMDA action.