Progenitor identification and SARS-CoV-2 infection in human distal lung organoids.
Ameen A Salahudeen, Shannon S Choi, Arjun Rustagi, Junjie Zhu, Vincent van Unen, Sean M de la O, Ryan A Flynn, Mar Margalef-Català, António J M Santos, Jihang Ju, Arpit Batish, Tatsuya Usui, Grace X Y Zheng, Caitlin E Edwards, Lisa E Wagar, Vincent Luca, Benedict Anchang, Monica Nagendran, Khanh Nguyen, Daniel J Hart, Jessica M Terry, Phillip Belgrader, Solongo B Ziraldo, Tarjei S Mikkelsen, Pehr B Harbury, Jeffrey S Glenn, K Christopher Garcia, Mark M Davis, Ralph S Baric, Chiara Sabatti, Manuel R Amieva, Catherine A Blish, Tushar J Desai, Calvin J Kuo
Author Information
Ameen A Salahudeen: Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA. ORCID
Shannon S Choi: Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
Arjun Rustagi: Division of Infectious Disease and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA. ORCID
Junjie Zhu: Stanford University School of Engineering, Department of Electrical Engineering, Stanford, CA, USA. ORCID
Vincent van Unen: Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA. ORCID
Sean M de la O: Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
Ryan A Flynn: Stanford ChEM-H, Stanford University, Stanford, CA, USA. ORCID
Mar Margalef-Català: Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA. ORCID
António J M Santos: Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
Jihang Ju: Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
Arpit Batish: Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
Tatsuya Usui: Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
Grace X Y Zheng: 10x Genomics, Pleasanton, CA, USA.
Caitlin E Edwards: Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA. ORCID
Lisa E Wagar: Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA.
Vincent Luca: Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA, USA.
Benedict Anchang: Division of Biomedical Data Science, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
Monica Nagendran: Division of Pulmonary, Allergy and Critical Care, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
Khanh Nguyen: Division of Gastroenterology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
Daniel J Hart: Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
Jessica M Terry: 10x Genomics, Pleasanton, CA, USA.
Phillip Belgrader: 10x Genomics, Pleasanton, CA, USA.
Solongo B Ziraldo: 10x Genomics, Pleasanton, CA, USA.
Tarjei S Mikkelsen: 10x Genomics, Pleasanton, CA, USA.
Pehr B Harbury: Department of Biochemistry, Stanford University School of Medicine, Stanford, CA, USA.
Jeffrey S Glenn: Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA.
K Christopher Garcia: Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA, USA. ORCID
Mark M Davis: Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA. ORCID
Ralph S Baric: Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA. ORCID
Chiara Sabatti: Division of Biomedical Data Science, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
Manuel R Amieva: Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA.
Catherine A Blish: Division of Infectious Disease and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA. cblish@stanford.edu. ORCID
Tushar J Desai: Division of Pulmonary, Allergy and Critical Care, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA. tdesai@stanford.edu. ORCID
Calvin J Kuo: Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA. cjkuo@stanford.edu. ORCID
The distal lung contains terminal bronchioles and alveoli that facilitate gas exchange. Three-dimensional in vitro human distal lung culture systems would strongly facilitate the investigation of pathologies such as interstitial lung disease, cancer and coronavirus disease 2019 (COVID-19) pneumonia caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Here we describe the development of a long-term feeder-free, chemically defined culture system for distal lung progenitors as organoids derived from single adult human alveolar epithelial type II (AT2) or KRT5 basal cells. AT2 organoids were able to differentiate into AT1 cells, and basal cell organoids developed lumens lined with differentiated club and ciliated cells. Single-cell analysis of KRT5 cells in basal organoids revealed a distinct population of ITGA6ITGB4 mitotic cells, whose offspring further segregated into a TNFRSF12A subfraction that comprised about ten per cent of KRT5 basal cells. This subpopulation formed clusters within terminal bronchioles and exhibited enriched clonogenic organoid growth activity. We created distal lung organoids with apical-out polarity to present ACE2 on the exposed external surface, facilitating infection of AT2 and basal cultures with SARS-CoV-2 and identifying club cells as a target population. This long-term, feeder-free culture of human distal lung organoids, coupled with single-cell analysis, identifies functional heterogeneity among basal cells and establishes a facile in vitro organoid model of human distal lung infections, including COVID-19-associated pneumonia.
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