Competitive Epitope Binning Using HT-SPR.

Area of Science:

• Biochemistry
• Immunology
• Biotechnology

Background:

• Competitive epitope binning is crucial for characterizing monoclonal antibodies.
• High-throughput surface plasmon resonance (HT-SPR) offers a scalable solution for this analysis.
• Understanding antibody-epitope interactions is vital in drug discovery and development.

Purpose of the Study:

• To detail an approach for competitive epitope binning using the Carterra LSA.
• To provide considerations for the design and analysis of HT-SPR based binning assays.
• To demonstrate the utility of HT-SPR for profiling numerous monoclonal antibodies.

Main Methods:

• Monoclonal antibodies are arrayed on a biosensor chip.
• Serial interrogation assesses trimolecular complex formation with antigen and solution-phase antibodies.
• Carterra LSA software facilitates real-time data analysis and epitope clustering.

Main Results:

• Successful implementation of a competitive epitope binning assay using HT-SPR.
• Clustering of monoclonal antibodies based on shared epitope binding profiles.
• Real-time data acquisition enabled detailed analysis of individual antibody binding characteristics.

Conclusions:

• HT-SPR provides an efficient method for competitive epitope binning of hundreds of antibodies.
• The described approach facilitates the understanding of antibody epitope profiles.
• This technique aids in the characterization and selection of monoclonal antibodies.