bioRxivImmunologyPreprint
High-Throughput Antibody Neutralization Screening in Massively Parallel Droplet Arrays
Matías Gutiérrez-GonzáleziD, Ahmed S. FahadiD, Cyrille L. DelleyiD, Cheng-Yu Chung, Shuyan Jin, Nicoleen Boyle, Matheus Oliveira de SouzaiD, Azady PirhanoviD, Nicolás M. S. GálveziD, Camila Tenorio FrançaiD, Samantha MarglousiD, Evan Bhagat, Donna Vincent, Daniel Neumeier, Yi CaoiD, Nicole A. Doria‐RoseiD, Sai T. ReddyiD, Aaron G. SchmidtiD, Alejandro Benjamin BalazsiD, Adam R. AbateiD, Brandon J. DeKoskyiD
Abstract
Neutralizing antibodies provide rapid immune defense against infectious diseases, but are difficult to discover at scale because neutralization assays require live reporter cells and soluble monoclonal antibodies. Here we report Droplet Reporter Cell Testing for Neutralization (DrReCT-Neutralization) to screen antibody gene libraries for their ability to neutralize viral infections. We established the necessary engineered cell lines and validated the DrReCT screening platform using synthetic oligoclonal libraries, followed by an example discovery campaign that demonstrated scalable functional antibody data collection against viral diseases.
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