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Updated: Jun 28, 2026

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
Published on: June 21, 2018
Chemical genomics: massively parallel technologies for rapid lead identification and target validation
Uli Hacksell1, Norman Nash, Ethan S Burstein
1ACADIA Pharmaceuticals Inc., 3911 Sorrento Valley Boulevard, San Diego, CA, 92121, USA, uhacksell@acadia-pharm.com.
This study showcases chemical genomics for drug discovery, linking genomic targets with small molecules. It highlights successful applications in identifying antipsychotic mechanisms and novel receptor agonists.
Area of Science:
- Pharmacology
- Genomics
- Drug Discovery
Background:
- Chemical genomics integrates genomic targets with small-molecule chemistry for efficient drug discovery.
- ACADIA's platform combines a large small-molecule library, genomic targets, and advanced assay technology.
Purpose of the Study:
- To demonstrate the utility of chemical genomics in target validation and lead compound identification.
- To present successful applications of the chemical genomics approach in drug discovery.
Main Methods:
- Utilized a chemical genomics platform with over 800,000 small molecules and >300 druggable genomic targets.
- Employed Receptor Selection and Amplification Technology (R-SAT™) for ultra-high throughput screening and profiling.
- Applied the platform to validate antipsychotic mechanisms and discover novel receptor agonists.
Main Results:
- Validated inverse agonism at serotonin 5-HT2A receptors as a potential antipsychotic mechanism.
- Discovered potent and selective 5-HT2A inverse agonists, now in preclinical development.
- Identified the first ectopically binding, subtype-selective muscarinic m1 agonist.
Conclusions:
- Chemical genomics is a powerful paradigm for accelerating drug discovery and development.
- The presented platform and examples demonstrate significant success in identifying novel therapeutic agents.
- The findings pave the way for new treatments targeting neurological and psychiatric disorders.
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