Abstract
The trafficking of ionotropic glutamate (AMPA, NMDA and kainate) and GABAA receptors in and out of, or laterally along, the postsynaptic membrane has recently emerged as an important mechanism in the regulation of synaptic function, both under physiological and pathological conditions, such as information processing, learning and memory formation, neuronal development, and neurodegenerative diseases. Non-ionotropic glutamate receptors, primarily group I metabotropic glutamate receptors (mGluRs), co-exist with the postsynaptic ionotropic glutamate and GABAA receptors. The ability of mGluRs to regulate postsynaptic phosphorylation and Ca2+ concentration, as well as their interactions with postsynaptic scaffolding/signaling proteins, makes them well suited to influence the trafficking of ionotropic glutamate and GABAA receptors. Recent studies have provided insights into how mGluRs may impose such an influence at central synapses, and thus how they may affect synaptic signaling and the maintenance of long-term synaptic plasticity. In this review we will discuss some of the recent progress in this area: i) long-term synaptic plasticity and the involvement of mGluRs; ii) ionotropic glutamate receptor trafficking and long-term synaptic plasticity; iii) the involvement of postsynaptic group I mGluRs in regulating ionotropic glutamate receptor trafficking; iv) involvement of postsynaptic group I mGluRs in regulating GABAA receptor trafficking; v) and the trafficking of postsynaptic group I mGluRs themselves.
Keywords: Metabotropic, ionotropic, glutamate receptor, GABAA receptor, receptor trafficking, endocytosis, hippocampus, synaptic plasticity
Current Neuropharmacology
Title: Metabotropic Glutamate Receptors in the Trafficking of Ionotropic Glutamate and GABAA Receptors at Central Synapses
Volume: 4 Issue: 1
Author(s): Min-Yi Xiao, Bengt Gustafsson and Yin-Ping Niu
Affiliation:
Keywords: Metabotropic, ionotropic, glutamate receptor, GABAA receptor, receptor trafficking, endocytosis, hippocampus, synaptic plasticity
Abstract: The trafficking of ionotropic glutamate (AMPA, NMDA and kainate) and GABAA receptors in and out of, or laterally along, the postsynaptic membrane has recently emerged as an important mechanism in the regulation of synaptic function, both under physiological and pathological conditions, such as information processing, learning and memory formation, neuronal development, and neurodegenerative diseases. Non-ionotropic glutamate receptors, primarily group I metabotropic glutamate receptors (mGluRs), co-exist with the postsynaptic ionotropic glutamate and GABAA receptors. The ability of mGluRs to regulate postsynaptic phosphorylation and Ca2+ concentration, as well as their interactions with postsynaptic scaffolding/signaling proteins, makes them well suited to influence the trafficking of ionotropic glutamate and GABAA receptors. Recent studies have provided insights into how mGluRs may impose such an influence at central synapses, and thus how they may affect synaptic signaling and the maintenance of long-term synaptic plasticity. In this review we will discuss some of the recent progress in this area: i) long-term synaptic plasticity and the involvement of mGluRs; ii) ionotropic glutamate receptor trafficking and long-term synaptic plasticity; iii) the involvement of postsynaptic group I mGluRs in regulating ionotropic glutamate receptor trafficking; iv) involvement of postsynaptic group I mGluRs in regulating GABAA receptor trafficking; v) and the trafficking of postsynaptic group I mGluRs themselves.
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Cite this article as:
Xiao Min-Yi, Gustafsson Bengt and Niu Yin-Ping, Metabotropic Glutamate Receptors in the Trafficking of Ionotropic Glutamate and GABAA Receptors at Central Synapses, Current Neuropharmacology 2006; 4 (1) . https://dx.doi.org/10.2174/157015906775202986
DOI https://dx.doi.org/10.2174/157015906775202986 |
Print ISSN 1570-159X |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6190 |
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