Related Experiment Video
Updated: Jun 24, 2026

Measuring G-protein-coupled Receptor Signaling via Radio-labeled GTP Binding
Published on: June 9, 2017
G protein-coupled receptor hetero-dimerization: contribution to pharmacology and function
1Molecular Pharmacology Group, Neuroscience and Molecular Pharmacology, Faculty of Biomedical and Life Sciences, University of Glasgow, Glasgow, UK. g.milligan@bio.gla.ac.uk
G protein-coupled receptors (GPCRs) can form complexes, influencing drug targets. Research is exploring these interactions for selective drug development.
Area of Science:
- Biochemistry
- Pharmacology
- Molecular Biology
Background:
- G protein-coupled receptors (GPCRs) are increasingly recognized to form hetero-dimers or hetero-oligomers.
- While definitive evidence for distinct physiological receptor species is limited, many co-expressed GPCR pairs show functional modulation, suggesting physical interactions.
Purpose of the Study:
- To review recent developments in the understanding of GPCR hetero-dimerization and its implications.
- To highlight the potential of GPCR hetero-dimers as molecular targets for novel therapeutics.
Main Methods:
- Literature review of experimental studies on GPCR hetero-dimerization.
- Analysis of data demonstrating reciprocal functional modulation between co-expressed GPCRs.
- Synthesis of findings regarding GPCR hetero-oligomers as drug targets.
Main Results:
- Growing experimental support for GPCR hetero-dimerization and hetero-oligomerization.
- Numerous examples of co-expressed GPCRs functionally interacting, consistent with physical association.
- Emerging evidence suggests specific GPCR hetero-dimers are targets for clinically used drugs.
Conclusions:
- GPCR hetero-dimerization is a significant area of research with implications for drug discovery.
- Targeting GPCR hetero-dimer function selectively presents a promising avenue for developing new therapeutics.
- Further research is needed to fully characterize and validate GPCR hetero-oligomers as drug targets.
More Related Videos
07:41A Kinetic Fluorescence-based Ca2+ Mobilization Assay to Identify G Protein-coupled Receptor Agonists, Antagonists, and Allosteric Modulators
Published on: February 20, 2018
09:12G Protein-selective GPCR Conformations Measured Using FRET Sensors in a Live Cell Suspension Fluorometer Assay
Published on: September 10, 2016
Related Concept Videos
G Protein-coupled Receptors
GPCRs are also called heptahelical, 7TM, or serpentine receptors, and consist of seven (H1-H7) transmembrane alpha-helices that span the bilayer to form a cylindrical core. The transmembrane helices are connected by three extracellular loops and three...
G Protein-coupled Receptors
GPCRs are also called heptahelical, 7TM, or serpentine receptors, and consist of seven (H1-H7) transmembrane alpha-helices that span the bilayer to form a cylindrical core. The transmembrane helices are connected by three extracellular loops and three...
Transducer Mechanism: G Protein–Coupled Receptors
GPCRs are also called heptahelical, 7TM, or...
G-protein Coupled Receptors
G-protein Coupled Receptors
Activation and Inactivation of G Proteins