{"title":"IFN-γ and YAP lead epithelial cells astray after severe respiratory infection.","authors":"Bradley E Hiller, Joseph P Mizgerd","doi":"10.1172/JCI185072","DOIUrl":null,"url":null,"abstract":"<p><p>Ineffective recovery from pneumonia can lead to interstitial lung disease characterized by aberrant epithelial cells in fibrotic regions. In this issue of the JCI, Lin et al. define molecular pathways leading to the development and persistence of keratin 5+ (Krt5+) epithelial cells in the alveolar parenchyma when mice struggle to recover from influenza infection. The receptor for IFN-γ on lung epithelium was essential for the formation of aberrant Krt5+ cells and fibrotic lung disease. The transcription factor Yes-associated protein 1 (YAP) was necessary for persistence of these Krt5+ cells, and IFN-γ activated YAP in lung epithelial cells via JAK, focal adhesion kinase (FAK), and Src kinases. These findings establish a targetable pathway underlying some of the pulmonary postacute sequelae of pneumonia.</p>","PeriodicalId":15469,"journal":{"name":"Journal of Clinical Investigation","volume":null,"pages":null},"PeriodicalIF":13.3000,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11444161/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Clinical Investigation","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1172/JCI185072","RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MEDICINE, RESEARCH & EXPERIMENTAL","Score":null,"Total":0}
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Abstract
Ineffective recovery from pneumonia can lead to interstitial lung disease characterized by aberrant epithelial cells in fibrotic regions. In this issue of the JCI, Lin et al. define molecular pathways leading to the development and persistence of keratin 5+ (Krt5+) epithelial cells in the alveolar parenchyma when mice struggle to recover from influenza infection. The receptor for IFN-γ on lung epithelium was essential for the formation of aberrant Krt5+ cells and fibrotic lung disease. The transcription factor Yes-associated protein 1 (YAP) was necessary for persistence of these Krt5+ cells, and IFN-γ activated YAP in lung epithelial cells via JAK, focal adhesion kinase (FAK), and Src kinases. These findings establish a targetable pathway underlying some of the pulmonary postacute sequelae of pneumonia.
期刊介绍：
The Journal of Clinical Investigation, established in 1924 by the ASCI, is a prestigious publication that focuses on breakthroughs in basic and clinical biomedical science, with the goal of advancing the field of medicine. With an impressive Impact Factor of 15.9 in 2022, it is recognized as one of the leading journals in the "Medicine, Research & Experimental" category of the Web of Science.
The journal attracts a diverse readership from various medical disciplines and sectors. It publishes a wide range of research articles encompassing all biomedical specialties, including Autoimmunity, Gastroenterology, Immunology, Metabolism, Nephrology, Neuroscience, Oncology, Pulmonology, Vascular Biology, and many others.
The Editorial Board consists of esteemed academic editors who possess extensive expertise in their respective fields. They are actively involved in research, ensuring the journal's high standards of publication and scientific rigor.
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