Related Experiment Video
Updated: May 1, 2026
Biosensor-based High Throughput Biopanning and Bioinformatics Analysis Strategy for the Global Validation of Drug-protein Interactions
Published on: December 1, 2020
Applications of Biophysics in High-Throughput Screening Hit Validation
Christine Clougherty Genick1, Danielle Barlier2, Dominique Monna2
1Novartis Pharma AG, Novartis Institutes for Biomedical Research Center for Proteomic Chemistry, Basel Screening Platform, Basel, Switzerland Screening Sciences Group, Basel, Switzerland christine.genick@novartis.com.
Biophysical methods validate drug discovery hits from high-throughput screening (HTS) using label-free assays. These techniques identify specific binding interactions, reducing false positives and guiding chemical optimization for lead discovery.
Area of Science:
- Drug Discovery and Development
- Biophysics
- Biochemistry
Background:
- Biophysical methods are crucial for validating hits from high-throughput screening (HTS) campaigns.
- Label-free assays are essential for verifying binding interactions and identifying screen artifacts.
Purpose of the Study:
- To evaluate biophysical screening strategies for hit validation.
- To discuss the advantages and challenges of various biophysical techniques in lead discovery.
Main Methods:
- Utilized multiple label-free biophysical assays including dynamic light scattering, turbidometry, resonance waveguide, surface plasmon resonance, differential scanning fluorimetry, and mass spectrometry.
- Applied these methods to a list of approximately 2000 preselected, IC50-validated hits from HTS.
Main Results:
- Biophysical screens demonstrated varied hit rates for preselected HTS compounds.
- The study identified key lessons learned from implementing biophysical screens in hit validation.
Conclusions:
- Integrating diverse biophysical methods enhances hit validation accuracy.
- Careful selection of biophysical techniques improves the efficiency of lead discovery by minimizing false positives and guiding optimization.
