{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T00:22:09Z","timestamp":1791073329475,"version":"4.1.0"},"reference-count":48,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2011,10,11]],"date-time":"2011-10-11T00:00:00Z","timestamp":1318291200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000897","name":"Cystic Fibrosis Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000897","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["5R01DK051870"],"award-info":[{"award-number":["5R01DK051870"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["5R01DK051619"],"award-info":[{"award-number":["5R01DK051619"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["HL084934"],"award-info":[{"award-number":["HL084934"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["HL34332"],"award-info":[{"award-number":["HL34332"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["HL084934"],"award-info":[{"award-number":["HL084934"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["faseb.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The FASEB Journal"],"published-print":{"date-parts":[[2012,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Cigarette smoke (CS) exposure induces mucus obstruction and the development of chronic bronchitis (CB). While many of these responses are determined genetically, little is known about the effects CS can exert on pulmonary epithelia at the protein level. We, therefore, tested the hypothesis that CS exerts direct effects on the CFTR protein, which could impair airway hydration, leading to the mucus stasis characteristic of both cystic fibrosis and CB.\n                    <jats:italic>In vivo<\/jats:italic>\n                    and\n                    <jats:italic>in vitro<\/jats:italic>\n                    studies demonstrated that CS rapidly decreased CFTR activity, leading to airway surface liquid (ASL) volume depletion (\n                    <jats:italic>i.e.<\/jats:italic>\n                    , dehydration). Further studies revealed that CS induced internalization of CFTR. Surprisingly, CS\u2010internalized CFTR did not colocalize with lysosomal proteins. Instead, the bulk of CFTR shifted to a detergent\u2010resistant fraction within the cell and colocalized with the intermediate filament vimentin, suggesting that CS induced CFTR movement into an aggresome\u2010like, perinuclear compartment. To test whether airway dehydration could be reversed, we used hypertonic saline (HS) as an osmolyte to rehydrate ASL. HS restored ASL height in CS\u2010exposed, dehydrated airway cultures. Similarly, inhaled HS restored mucus transport and increased clearance in patients with CB. Thus, we propose that CS exposure rapidly impairs CFTR function by internalizing CFTR, leading to ASL dehydration, which promotes mucus stasis and a failure of mucus clearance, leaving smokers at risk for developing CB. Furthermore, our data suggest that strategies to rehydrate airway surfaces may provide a novel form of therapy for patients with CB.\u2014Clunes, L. A., Davies, C. M., Coakley, R. D., Aleksandrov, A. A., Henderson, A. G., Zeman, K. L., Worthington, E. N., Gentzsch, M., Kreda, S. M., Cholon, D., Bennett, W. D., Riordan, J. R., Boucher, R. C., Tarran, R. Cigarette smoke exposure induces CFTR internalization and insolubility, leading to airway surface liquid dehydration.\n                    <jats:italic>FASEB J.<\/jats:italic>\n                    26, 533\u2013545 (2012). www.fasebj.org\n                  <\/jats:p>","DOI":"10.1096\/fj.11-192377","type":"journal-article","created":{"date-parts":[[2011,10,12]],"date-time":"2011-10-12T00:19:36Z","timestamp":1318378776000},"page":"533-545","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":242,"title":["Cigarette smoke exposure induces CFTR internalization and insolubility, leading to airway surface liquid dehydration"],"prefix":"10.1096","volume":"26","author":[{"given":"Lucy A.","family":"Clunes","sequence":"first","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catrin M.","family":"Davies","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Raymond D.","family":"Coakley","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrei A.","family":"Aleksandrov","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashley G.","family":"Henderson","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirby L.","family":"Zeman","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erin N.","family":"Worthington","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martina","family":"Gentzsch","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Silvia M.","family":"Kreda","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Deborah","family":"Cholon","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"William D.","family":"Bennett","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John R.","family":"Riordan","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard C.","family":"Boucher","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert","family":"Tarran","sequence":"additional","affiliation":[{"name":"Cystic Fibrosis\/Pulmonary Research and Treatment Center The University of North Carolina at Chapel Hill  Chapel Hill North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2011,10,11]]},"reference":[{"key":"e_1_2_22_2_1","first-page":"1","article-title":"Chronic obstructive pulmonary disease surveillance\u2013United States, 1971\u20132000","volume":"51","author":"Mannino D. 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