Matches in SemOpenAlex for { <https://semopenalex.org/work/W1988230137> ?p ?o ?g. }
- W1988230137 endingPage "364" @default.
- W1988230137 startingPage "347" @default.
- W1988230137 abstract "Glutamate receptor-dependent neural plasticity is thought to be implicated in memory processes. Ionotropic N-methyl-D-aspartate- (NMDA) sensitive and alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate- (AMPA) sensitive glutamate receptors have been particularly studied for their role in synaptic plasticity. Drugs can alter AMPA and NMDA receptor neurotransmission by competing for the glutamate site or other sites on these receptor proteins. Variants of the protein subunits forming AMPA and NMDA heteromers contribute to the complexity of pharmacological activity at these receptors. The NMDA receptor has numerous modulatory centers, including the glycine binding site, NR2B protein specific binding site, and an intrachannel (PCP) binding site. In this study, the accuracy and rate of rats performing under a Fixed Consecutive Number (FCN) operant task were measured after administrations of site-selective AMPA and NMDA receptor modulators. Test compounds included two glycine site NMDA agonists [(+)HA 966 and D-cycloserine], two NR2-B site NMDA antagonists (eliprodil and ifenprodil), an NMDA channel blocking antagonist (MK 801), and a competitively acting AMPA receptor antagonist (NBQX). The accuracy of FCN performance was not affected by response-rate-altering doses of (+) HA 966, D-cycloserine, eliprodil, ifenprodil, or NBQX. MK 801, on the other hand, reduced performance accuracy at several doses. These results are consistent with earlier studies suggesting that AMPA antagonists minimally affect working memory and that glycine and NR2B protein-specific modulatory sites may have advantages as targets for the development of medications intended to alter NMDA receptor-mediated transmission." @default.
- W1988230137 created "2016-06-24" @default.
- W1988230137 creator A5039317824 @default.
- W1988230137 creator A5051022894 @default.
- W1988230137 creator A5061270034 @default.
- W1988230137 date "2002-09-01" @default.
- W1988230137 modified "2023-10-18" @default.
- W1988230137 title "Site-Selective N-Methyl-?-Aspartate and α-Amino-3-Hydroxy-5-Methyl-4-Isoxazolepropionate Antagonists Produce Distinct Effects in Rats Performing Complex Discriminations" @default.
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