G Protein-Coupled Receptor Multimers: A Question Still Open Despite the Use of Novel Approaches

Henry F Vischer, Marián Castro, Jean Philippe Pin

Research output: Contribution to JournalReview articleAcademicpeer-review

Abstract

Heteromerization of G protein-coupled receptors (GPCRs) can significantly change the functional properties of involved receptors. Various biochemical and biophysical methodologies have been developed in the last two decades to identify and functionally evaluate GPCR heteromers in heterologous cells, with recent approaches focusing on GPCR complex stoichiometry and stability. Yet validation of these observations in native tissues is still lagging behind for the majority of GPCR heteromers. Remarkably, recent studies, particularly some involving advanced fluorescence microscopy techniques, are contributing to our current knowledge of aspects that were not well known until now, such as GPCR complex stoichiometry and stability. In parallel, a growing effort is being applied to move the field forward into native systems. This short review will highlight recent developments to study the stoichiometry and stability of GPCR complexes and methodologies to detect native GPCR dimers.

Original languageEnglish
Pages (from-to)561-71
Number of pages11
JournalMolecular Pharmacology
Volume88
Issue number3
DOIs
Publication statusPublished - Sep 2015

Keywords

  • Animals
  • Humans
  • Protein Multimerization
  • Receptors, G-Protein-Coupled
  • Journal Article
  • Research Support, Non-U.S. Gov't
  • Review

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