Using Bioluminescence Resonance Energy Transfer (BRET) to Characterize Agonist-Induced Arrestin Recruitment to Modified and Unmodified G Protein-Coupled Receptors

Prashant Donthamsetti, Jose Rafael Quejada, Jonathan A. Javitch, Vsevolod V. Gurevich, Nevin A Lambert

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

G protein-coupled receptors (GPCRs) represent ∼25% of current drug targets. Ligand binding to these receptors activates G proteins and arrestins, which are involved in differential signaling pathways. Because functionally selective or biased ligands activate one of these two pathways, they may be superior medications for certain diseases states. The identification of such ligands requires robust drug screening assays for both G protein and arrestin activity. This unit describes protocols for two bioluminescence resonance energy transfer (BRET)-based assays used to monitor arrestin recruitment to GPCRs. One assay requires modification of GPCRs by fusion to a BRET donor or acceptor moiety, whereas the other can detect arrestin recruitment to unmodified GPCRs.

Original languageEnglish (US)
Pages (from-to)2.14.1-2.14.14
JournalCurrent protocols in pharmacology
Volume70
DOIs
StatePublished - Sep 1 2015

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Arrestin
Energy Transfer
G-Protein-Coupled Receptors
Ligands
GTP-Binding Proteins
Arrestins
Preclinical Drug Evaluations
Pharmaceutical Preparations

Keywords

  • G protein-coupled receptors (GPCRs)
  • arrestin
  • bioluminescence resonance energy transfer (BRET)

ASJC Scopus subject areas

  • Pharmacology

Cite this

Using Bioluminescence Resonance Energy Transfer (BRET) to Characterize Agonist-Induced Arrestin Recruitment to Modified and Unmodified G Protein-Coupled Receptors. / Donthamsetti, Prashant; Quejada, Jose Rafael; Javitch, Jonathan A.; Gurevich, Vsevolod V.; Lambert, Nevin A.

In: Current protocols in pharmacology, Vol. 70, 01.09.2015, p. 2.14.1-2.14.14.

Research output: Contribution to journalArticle

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