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Evaluating Cross-Reactivity in Custom-Made Multiplex Bead-Based Antibody Microarrays: A Methodological Approach
Rocío Paz-González1, Patricia Quaranta1, Selva Riva-Mendoza1
1Unidad de Proteómica Grupo de Investigación de Reumatología (GIR), Instituto de Investigación Biomédica de A Coruña (INIBIC), Hospital Universitario A Coruña (HUAC), Universidade de Coruña (UDC), A Coruña, Spain.
Methods in Molecular Biology (Clifton, N.J.)
|July 2, 2025
Summary
Multiplex antibody microarrays enable simultaneous protein quantification. This study details methods to evaluate and mitigate antibody cross-reactivity, ensuring accurate results in biomedical research.
Area of Science:
- Biomedical research
- Assay development
- Proteomics
Background:
- Multiplex antibody microarrays using suspension microsphere technology allow for the simultaneous quantification of multiple proteins.
- Custom assay design offers flexibility but requires careful validation.
- Ensuring assay reliability necessitates addressing antibody cross-reactivity.
Purpose of the Study:
- To provide a comprehensive methodology for evaluating cross-reactivity in multiplex antibody microarrays.
- To detail techniques for validating and optimizing assay performance.
- To explore strategies for mitigating cross-reactivity and enhancing data precision.
Main Methods:
- Step-by-step protocol for cross-reactivity evaluation.
- Techniques for assay validation and performance optimization.
- Strategies for cross-reactivity mitigation.
Main Results:
- A detailed methodology for assessing cross-reactivity in multiplex antibody microarrays.
- Validated techniques for improving assay accuracy and reliability.
- Effective strategies to minimize interference between antibodies.
Conclusions:
- Thorough evaluation and mitigation of cross-reactivity are essential for reliable multiplex antibody microarray results.
- The presented methodology enhances the precision and interpretability of protein quantification in biomedical research.
- Optimized assays improve the quality of data for both basic and translational research.
