Publication

Endosomal Trafficking Of Ampa-Type Glutamate Receptors

2009
Reviews

Abstract

Many different forms of synaptic plasticity have been shown to ultimately modulate the number of AMPA-type glutamate receptors at the synapse. This trafficking involves lateral movements between synaptic and extrasynaptic sites at the neuron surface, as well as vesicular transport between the plasma membrane and intracellular compartments. Several new studies have shed light on the location and regulation of AMPA-type receptor (AMPAR) endocytosis, their intracellular sorting to divergent pathways at the level of endosomes, and the mechanism and sites of receptor recycling. This review summarizes this recent data on the trafficking along the endocytic pathway, and follows the path of internalized AMPAR from endocytosis up to sites of recycling. (C) 2009 IBRO. Published by Elsevier Ltd. All rights reserved.

Official source

https://infoscience.epfl.ch/entities/publication/b9ee8971-9195-4a2a-afb4-5c1dc896aac6

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2009
Reviews

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/b9ee8971-9195-4a2a-afb4-5c1dc896aac6

About this result

Related concepts (32)

AMPA receptor

The α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (also known as AMPA receptor, AMPAR, or quisqualate receptor) is an ionotropic transmembrane receptor for glutamate (iGluR) that mediates fast synaptic transmission in the central nervous system (CNS). It has been traditionally classified as a non-NMDA-type receptor, along with the kainate receptor. Its name is derived from its ability to be activated by the artificial glutamate analog AMPA.

NMDA receptor

The N-methyl-D-aspartate receptor (also known as the NMDA receptor or NMDAR), is a glutamate receptor and ion channel found in neurons. The NMDA receptor is one of three types of ionotropic glutamate receptors, the other two being AMPA and kainate receptors. Depending on its subunit composition, its ligands are glutamate and glycine (or D-serine). However, the binding of the ligands is typically not sufficient to open the channel as it may be blocked by Mg2+ ions which are only removed when the neuron is sufficiently depolarized.

Glutamate receptor

Glutamate receptors are synaptic and non synaptic receptors located primarily on the membranes of neuronal and glial cells. Glutamate (the conjugate base of glutamic acid) is abundant in the human body, but particularly in the nervous system and especially prominent in the human brain where it is the body's most prominent neurotransmitter, the brain's main excitatory neurotransmitter, and also the precursor for GABA, the brain's main inhibitory neurotransmitter.

Related publications (32)

Endosomal Trafficking Of Ampa-Type Glutamate Receptors

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