AMPA receptor trafficking pathways and links to dendritic spine morphogenesis

Research output: Contribution to journalArticle (Academic Journal)

22 Citations (Scopus)

Abstract

Alterations in synaptic strength are proposed to underlie learning and memory, and two major mechanisms utilised by neurons to bring about such changes involve regulating the number of AMPARs found at the synaptic plasma membrane, and altering the size and/or shape of the specialised postsynaptic compartment, the dendritic spine. It is now well-established that control of receptor number is brought about by precise modulation of vesicle trafficking, although the details of this crucial process are still far from clear. Regulation of spine size involves dynamic alterations in the spine actin cytoskeleton, but recent studies suggest that trafficking events may also play a role. In this review, I will summarise some recent findings about AMPAR trafficking pathways, and highlight the idea that membrane trafficking events not only regulate the complement of AMPARs at the synaptic plasma membrane, but also contribute to spine morphogenesis, either by regulating the plasma membrane content of spines, or as a result of changes in AMPAR trafficking.
Translated title of the contributionAMPA receptor trafficking pathways and links to dendritic spine morphogenesis
Original languageEnglish
Pages (from-to)276 - 282
Number of pages7
JournalCell Adhesion and Migration
Volume2
DOIs
Publication statusPublished - Oct 2008

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