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Drug Discovery: Overview

Drug Discovery: Overview

Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...

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Related Experiment Video

Updated: May 25, 2026

Monitoring GPCR-β-arrestin1/2 Interactions in Real Time Living Systems to Accelerate Drug Discovery

Monitoring GPCR-β-arrestin1/2 Interactions in Real Time Living Systems to Accelerate Drug Discovery

Published on: June 28, 2019

Tools for GPCR drug discovery.

Ru Zhang¹, Xin Xie

¹Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, China.

Acta Pharmacologica Sinica

|January 24, 2012

Summary

This summary is machine-generated.

High-throughput screening assays for G-protein-coupled receptors (GPCRs) are crucial for drug discovery. Advances in technology enable efficient identification of novel drug candidates by measuring GPCR activity through various pathways.

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Area of Science:

Pharmacology
Biochemistry
Drug Discovery

Background:

G-protein-coupled receptors (GPCRs) are key therapeutic targets involved in numerous physiological processes.
Identifying novel drug candidates for GPCR-related diseases necessitates efficient screening methods.
Early GPCR assays focused on G-protein-mediated second messenger generation.

Purpose of the Study:

To review current high-throughput screening (HTS) assays for GPCRs.
To discuss recent technological advancements in GPCR drug discovery.
To highlight the utility of G-protein-independent pathways in assessing GPCR activity and functional selectivity.

Main Methods:

Review of established and novel GPCR assay methodologies.
Integration of automated imaging and label-free detection systems for HTS.
Analysis of G-protein-dependent and independent signaling pathways.

Main Results:

GPCRs represent a significant class of drug targets with broad therapeutic potential.
Modern assay technologies, including label-free and imaging systems, facilitate cost-effective HTS.
G-protein-independent assays offer complementary data on functional selectivity.

Conclusions:

Advances in HTS technologies are revolutionizing GPCR drug discovery.
Utilizing diverse signaling pathways enhances the identification of selective drug candidates.
Efficient GPCR screening is critical for developing new therapeutics.