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NMDA Channel Regulation by Channel-Associated Protein Tyrosine Kinase Src

The N-methyl-D-aspartate (NMDA) receptor mediates synaptic transmission and plasticity in the central nervous system (CNS) and is regulated by tyrosine phosphorylation. In membrane patches excised from mammalian central neurons, the endogenous tyrosine kinase Src was shown to regulate the activity o...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1997-01, Vol.275 (5300), p.674-678
Main Authors: Yu, Xian-Min, Askalan, Rand, Keil, Gary J., Salter, Michael W.
Format: Article
Language:English
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Summary:The N-methyl-D-aspartate (NMDA) receptor mediates synaptic transmission and plasticity in the central nervous system (CNS) and is regulated by tyrosine phosphorylation. In membrane patches excised from mammalian central neurons, the endogenous tyrosine kinase Src was shown to regulate the activity of NMDA channels. The action of Src required a sequence [Src(40-58)] within the noncatalytic, unique domain of Src. In addition, Src coprecipitated with NMDA receptor proteins. Finally, endogenous Src regulated the function of NMDA receptors at synapses. Thus, NMDA receptor regulation by Src may be important in development, plasticity, and pathology in the CNS.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.275.5300.674