{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,6]],"date-time":"2026-07-06T15:13:29Z","timestamp":1783350809500,"version":"3.54.6"},"reference-count":58,"publisher":"American Society for Clinical Investigation","issue":"14","license":[{"start":{"date-parts":[[2023,7,24]],"date-time":"2023-07-24T00:00:00Z","timestamp":1690156800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"crossref","award":["U19AI110820,HL149944,P30CA013148,AI156898"],"award-info":[{"award-number":["U19AI110820,HL149944,P30CA013148,AI156898"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100000897","name":"Cystic Fibrosis Foundation","doi-asserted-by":"crossref","award":["HARROD20GO,HARROD19IO"],"award-info":[{"award-number":["HARROD20GO,HARROD19IO"]}],"id":[{"id":"10.13039\/100000897","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,7,24]]},"abstract":"<jats:p>\n                    Influenza A virus (IAV) infection is commonly complicated by secondary bacterial infections that lead to increased morbidity and mortality. Our recent work demonstrates that IAV disrupts airway homeostasis, leading to airway pathophysiology resembling cystic fibrosis disease through diminished cystic fibrosis transmembrane conductance regulator (CFTR) function. Here, we use human airway organotypic cultures to investigate how IAV alters the airway microenvironment to increase susceptibility to secondary infection with\n                    <jats:italic>Streptococcus pneumoniae<\/jats:italic>\n                    (\n                    <jats:italic>Spn<\/jats:italic>\n                    ). We observed that IAV-induced CFTR dysfunction and airway surface liquid acidification is central to increasing susceptibility to\n                    <jats:italic>Spn<\/jats:italic>\n                    . Additionally, we observed that IAV induced profound transcriptional changes in the airway epithelium and proteomic changes in the airway surface liquid in both CFTR-dependent and -independent manners. These changes correspond to multiple diminished host defense pathways and altered airway epithelial function. Collectively, these findings highlight both the importance of CFTR function during infectious challenge and demonstrate a central role for the lung epithelium in secondary bacterial infections following IAV.\n                  <\/jats:p>","DOI":"10.1172\/jci.insight.170022","type":"journal-article","created":{"date-parts":[[2023,6,15]],"date-time":"2023-06-15T12:00:41Z","timestamp":1686830441000},"source":"Crossref","is-referenced-by-count":18,"title":["Influenza A\u2013induced cystic fibrosis transmembrane conductance regulator dysfunction increases susceptibility to Streptococcus pneumoniae"],"prefix":"10.1172","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1987-3560","authenticated-orcid":true,"given":"Erin Y.","family":"Earnhardt","sequence":"first","affiliation":[{"name":"Department of Anesthesiology and Perioperative Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, 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