{"title":"Pneumococcus downregulates the molecular weight of the extracellular domain of the epidermal growth factor receptor of alveolar epithelial cells","authors":"Toshihito Isono, Satoru Hirayama, Hisanori Domon, Yutaka Terao","doi":"10.1111/1348-0421.13103","DOIUrl":null,"url":null,"abstract":"<p>Pneumococcus is themajor cause of bacterial and invasive pneumococcal infections. Disrupting the alveolarepithelial barrier is an important step in the pathogenesis of invasivepneumococcal infections. The epidermal growth factor receptor (EGFR) maintainsthe integrity of the alveolar epithelial barrier. In this study, we showed that secretory pneumococcal molecules decrease the molecular weight of EGFR without peptide degradation and inhibit alveolar epithelial cell proliferation via EGFR.</p>","PeriodicalId":18679,"journal":{"name":"Microbiology and Immunology","volume":"68 1","pages":"23-26"},"PeriodicalIF":1.9000,"publicationDate":"2023-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Microbiology and Immunology","FirstCategoryId":"3","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/1348-0421.13103","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"IMMUNOLOGY","Score":null,"Total":0}
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Abstract
Pneumococcus is themajor cause of bacterial and invasive pneumococcal infections. Disrupting the alveolarepithelial barrier is an important step in the pathogenesis of invasivepneumococcal infections. The epidermal growth factor receptor (EGFR) maintainsthe integrity of the alveolar epithelial barrier. In this study, we showed that secretory pneumococcal molecules decrease the molecular weight of EGFR without peptide degradation and inhibit alveolar epithelial cell proliferation via EGFR.
期刊介绍：
Microbiology and Immunology is published in association with Japanese Society for Bacteriology, Japanese Society for Virology, and Japanese Society for Host Defense Research. It is peer-reviewed publication that provides insight into the study of microbes and the host immune, biological and physiological responses.
Fields covered by Microbiology and Immunology include:Bacteriology|Virology|Immunology|pathogenic infections in human, animals and plants|pathogenicity and virulence factors such as microbial toxins and cell-surface components|factors involved in host defense, inflammation, development of vaccines|antimicrobial agents and drug resistance of microbes|genomics and proteomics.
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