Assaying AMPA receptor oligomerization

Catherine L. Salussolia, Quan Gan, Lonnie P. Wollmuth

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Functional AMPA receptors (AMPARs) are tetrameric complexes formed by four identical (homomeric) or similar (heteromeric) subunits. Variations in the number and composition of AMPARs on the plasma membrane impact synaptic strength, neurodevelopment, and brain disorders. While the mechanisms mediating oligomerization of AMPARs are not well understood, they form the template for defining the number and preferential assembly of AMPARs. In this chapter we describe the application of two methods, blue-native PAGE (BN-PAGE) and fluorescence-detection size-exclusion chromatography (FSEC), to delineate the oligomeric state of AMPAR complexes and factors that determine the oligomerization process.

Original languageEnglish (US)
Title of host publicationIonotropic Glutamate Receptor Technologies
PublisherSpringer New York
Pages3-14
Number of pages12
ISBN (Electronic)9781493928125
ISBN (Print)9781493928118
DOIs
StatePublished - Sep 25 2015
Externally publishedYes

Keywords

  • Blue-native PAGE
  • Fluorescence-detection size-exclusion chromatography
  • Ionotropic glutamate receptors
  • M4 segment
  • Transmembrane domain

ASJC Scopus subject areas

  • General Medicine
  • General Neuroscience

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