Understanding respiratory virus replication, tropism, and disease mechanisms requires experimental systems that balance physiological relevance with scalability. Although immortalized cell lines remain widely used, they fail to capture the cellular complexity of the lung, while animal models--though informative--are often costly, low-throughput, and limited in their ability to model human disease. Here, we describe a rapid and scalable precision-cut lung slice (PCLS) platform that overcomes many of these limitations. Our workflow generates infection-ready lung tissue slices within 24 hours and maintains tissue viability over extended culture periods. Using influenza A virus as a model pathogen, we demonstrate that PCLS support robust viral replication, recapitulate characteristic infection-associated pathology, and elicit localized immune cell responses within the respiratory epithelium. Together, these features establish PCLS as a versatile and physiologically relevant platform for studying the biology of influenza virus and other respiratory pathogens.
Fusco, J. A., Liu, M., Huey, D., King, E. M., Panfil, A. R., Corps, K. N., Davis, I. C., Bowman, A. S., Warren, C. J.
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