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Genetically-encoded Molecular Probes to Study G Protein-coupled Receptors
Published on: September 13, 2013
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Probing the orphan receptors: Tools and directions
Luca Franchini1, Cesare Orlandi1
1Department of Pharmacology and Physiology, University of Rochester Medical Center, Rochester, NY, United States.
Progress in Molecular Biology and Translational Science
|January 27, 2023
Summary
Many G Protein Coupled Receptors (GPCRs) remain orphans, lacking identified ligands and tools for study. Recent research uncovers their physiological roles and links them to diseases, driving new drug discovery efforts for these understudied targets.
Area of Science:
- Pharmacology
- Genetics
- Molecular Biology
Background:
- A significant portion of G Protein Coupled Receptors (GPCRs) are classified as orphans (oGPCRs) due to unidentified endogenous ligands.
- The lack of pharmacological tools has historically limited the study of oGPCRs, despite their known physiological relevance.
Purpose of the Study:
- To summarize recent advancements in understanding orphan G Protein Coupled Receptors (oGPCRs).
- To highlight the growing importance of oGPCRs in physiological regulation and disease pathogenesis.
- To discuss emerging drug discovery strategies targeting oGPCRs.
Main Methods:
- Review of recent scientific literature on oGPCRs.
- Analysis of findings from genome-wide association studies and animal models.
- Examination of genetic studies linking oGPCR mutations to diseases.
Main Results:
- Genome-wide association studies and animal models have revealed critical physiological functions regulated by oGPCRs.
- Mutations in certain oGPCRs are associated with rare genetic disorders and increased susceptibility to pathologies.
- Novel tools and drug discovery initiatives are actively exploring the therapeutic potential of oGPCRs.
Conclusions:
- Orphan G Protein Coupled Receptors (oGPCRs) play significant roles in human health and disease.
- The development of new pharmacological tools is crucial for advancing oGPCR research.
- Targeting oGPCRs represents a promising frontier for novel therapeutic interventions.
Keywords:
Cellular signalingDeorphanizationDrug discoveryG protein coupled receptor (GPCR)Orphan GPCR (oGPCR)Signal transduction
