Considerable evidence has accumulated describing a complex interaction between the dopaminergic and glutamatergic pathways. Efforts to describe the mechanisms underlying this complex interaction have implicated a functional interaction between dopamine and glutamate receptors. Classically, the interaction between D1 and NMDA (N-methyl-D-aspartate) receptors has been proposed to involve the activation of second-messenger signalling cascades after receptor stimulation. However, in recent years, another paradigm has emerged which involves the direct interaction between D1 and NMDA receptors. The physical association between D1 and NMDA receptors is unique in that two different regions of the D1 C-terminus are able to couple specifically and physically with two different NMDA subunits. The selective modulation of multiple NMDA receptor-mediated functions by direct interactions with D1 receptors may form a new avenue to identify specific targets for therapeutics to modulate NMDA receptor-governed synaptic plasticity, neuronal development and disease states.
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Conference Article| October 26 2004
Direct interactions between NMDA and D1 receptors: a tale of tails
F. Liu 1
*Department of Neuroscience, Centre for Addiction and Mental Health, Clarke Division, University of Toronto, Toronto, ON, Canada M5T 1R8
†Department of Physiology, University of Toronto, Toronto, ON, Canada M5T 1R8
‡Department of Psychiatry, University of Toronto, Toronto, ON, Canada M5T 1R8
§Institute of Medical Science, University of Toronto, Toronto, ON, Canada M5T 1R8
1To whom correspondence should be addressed (email email@example.com).
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F.J.S. Lee, F. Liu; Direct interactions between NMDA and D1 receptors: a tale of tails. Biochem Soc Trans 1 November 2004; 32 (6): 1032–1036. doi: https://doi.org/10.1042/BST0321032
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