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Illuminating the understudied GPCR-ome.

Sreeparna Majumdar1, Yi-Ting Chiu1, Julie E Pickett1

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Summary
This summary is machine-generated.

The Illuminating the Druggable Genome project provides tools to study understudied G-protein-coupled receptors (GPCRs). These resources are revealing the function and drug potential of these

Keywords:
Knock-in micecell-based assayscryo-EM structuresdrug discoveryhigh throughput screeningilluminating the druggable genome (IDG)molecular/chemical probesnanobodyorphan GPCRs

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Area of Science:

  • Pharmacology and Molecular Biology
  • Genomics and Bioinformatics

Background:

  • G-protein-coupled receptors (GPCRs) represent a major class of drug targets, with over 30% of approved drugs acting on them.
  • However, a significant number of the over 800 human GPCRs remain poorly understood, often referred to as 'dark' receptors.
  • The Illuminating the Druggable Genome (IDG) initiative aims to address this knowledge gap.

Purpose of the Study:

  • To leverage the resources generated by the IDG project to explore the function and druggability of understudied GPCRs.
  • To provide a comprehensive overview of the tools and insights gained from the IDG project concerning 'dark' GPCRs.

Main Methods:

  • Utilizing a suite of tools developed by the IDG project, including high-throughput screening assays (e.g., PRESTO-TANGO, TRUPATH).
  • Leveraging large-scale chemical libraries, such as the ZINC virtual library, containing billions of small molecules.
  • Employing structural biology techniques to solve orphan GPCR structures and utilizing genetic models like GPCR knock-in mice.

Main Results:

  • The IDG project has successfully generated diverse tools and resources facilitating research into 'dark' GPCRs.
  • These tools have provided novel insights into the functional roles and therapeutic potential of previously uncharacterized GPCRs.
  • The combined efforts have begun to illuminate the biology and druggability landscape of these understudied receptors.

Conclusions:

  • The IDG project's resources are crucial for advancing our understanding of 'dark' GPCRs.
  • These tools are instrumental in identifying new therapeutic targets and developing novel drugs for a wide range of diseases.
  • Continued exploration of GPCRs using these advanced tools promises to expand the repertoire of druggable targets.