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Lung development and function arises from the interactions between diverse cell types and lineages. Using single-cell RNA sequencing (RNA-seq), we characterize the cellular composition of the lung during development and identify vast dynamics in cell composition and their molecular characteristics. Analyzing 818 ligand-receptor interaction pairs within and between cell lineages, we identify broadly interacting cells, including AT2, innate lymphocytes (ILCs), and basophils. Using interleukin (IL)-33 receptor knockout mice and in vitro experiments, we show that basophils establish a lung-specific function imprinted by IL-33 and granulocyte-macrophage colony-stimulating factor (GM-CSF), characterized by unique signaling of cytokines and growth factors important for stromal, epithelial, and myeloid cell fates. Antibody-depletion strategies, diphtheria toxin-mediated selective depletion of basophils, and co-culture studies show that lung resident basophils are important regulators of alveolar macrophage development and function. Together, our study demonstrates how whole-tissue signaling interaction map on the single-cell level can broaden our understanding of cellular networks in health and disease.
Pubmed ID: 30318149 RIS Download
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Software environment and programming language for statistical computing and graphics. R is integrated suite of software facilities for data manipulation, calculation and graphical display. Can be extended via packages. Some packages are supplied with the R distribution and more are available through CRAN family.It compiles and runs on wide variety of UNIX platforms, Windows and MacOS.
View all literature mentionsSoftware for single-cell flow cytometry analysis. Its functions include management, display, manipulation, analysis and publication of the data stream produced by flow and mass cytometers.
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