{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"institution":[{"name":"medRxiv"}],"indexed":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T12:14:23Z","timestamp":1768565663800,"version":"3.49.0"},"posted":{"date-parts":[[2023,1,25]]},"group-title":"Allergy and Immunology","reference-count":56,"publisher":"openRxiv","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"accepted":{"date-parts":[[2023,1,25]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                <jats:p>\n                  Cystic fibrosis (CF) is a life-shortening genetic disorder, caused by mutations in the gene that encodes Cystic Fibrosis Transmembrane-conductance Regulator (CFTR), a cAMP-activated chloride and bicarbonate channel. Although multiple organ systems can be affected, CF lung disease claims the most morbidity and mortality due to chronic bacterial infection, persistent neutrophilic inflammation, and mucopurulent airway obstruction. Despite the clear predominance of neutrophils in these pathologies, how CFTR loss-of-function affects these cells\n                  <jats:italic>per se<\/jats:italic>\n                  remains incompletely understood. Here, we report the profiling and comparing of transcriptional signatures of peripheral blood neutrophils from CF participants and healthy human controls (HC) at the single-cell level. Circulating CF neutrophils had an aberrant basal state with significantly higher scores for activation, chemotaxis, immune signaling, and pattern recognition, suggesting that CF neutrophils in blood are prematurely primed. Such an abnormal basal state was also observed in neutrophils derived from an F508del-CF HL-60 cell line, indicating an innate characteristic of the phenotype. LPS stimulation drastically shifted the transcriptional landscape of HC circulating neutrophils towards a robust immune response, however, CF neutrophils were immune-exhausted. Moreover, CF blood neutrophils differed significantly from CF sputum neutrophils in gene programming with respect to neutrophil activation and aging, as well as inflammatory signaling, highlighting additional environmental influences on the neutrophils in CF lungs. Taken together, loss of CFTR function has intrinsic effects on neutrophil immune programming that leads to premature priming and dysregulated response to challenge.\n                <\/jats:p>","DOI":"10.1101\/2023.01.22.23284619","type":"posted-content","created":{"date-parts":[[2023,1,27]],"date-time":"2023-01-27T05:53:47Z","timestamp":1674798827000},"source":"Crossref","is-referenced-by-count":3,"title":["ABERRANT IMMUNE PROGRAMMING IN NEUTROPHILS IN CYSTIC FIBROSIS"],"prefix":"10.64898","author":[{"given":"Yawen","family":"Hu","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christine M.","family":"Bojanowski","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Clemente J.","family":"Britto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dianne","family":"Wellems","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kejing","family":"Song","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Callie","family":"Scull","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Scott","family":"Jennings","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jianxiong","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jay K.","family":"Kolls","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guoshun","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"54368","reference":[{"key":"2023012712250635000_2023.01.22.23284619v1.1","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.201702-0266ED"},{"key":"2023012712250635000_2023.01.22.23284619v1.2","doi-asserted-by":"publisher","DOI":"10.1126\/science.2772657"},{"key":"2023012712250635000_2023.01.22.23284619v1.3","doi-asserted-by":"publisher","DOI":"10.1542\/pir.22-8-257"},{"key":"2023012712250635000_2023.01.22.23284619v1.4","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMc1502191"},{"key":"2023012712250635000_2023.01.22.23284619v1.5","doi-asserted-by":"crossref","first-page":"529","DOI":"10.1164\/rccm.202108-1986OC","article-title":"Clinical Effectiveness of Elexacaftor\/Tezacaftor\/Ivacaftor in People with Cystic Fibrosis: A Clinical Trial","volume":"205","year":"2022","journal-title":"Am J Respir Crit Care Med"},{"key":"2023012712250635000_2023.01.22.23284619v1.6","doi-asserted-by":"crossref","first-page":"381","DOI":"10.1164\/rccm.202008-3176LE","article-title":"Safety and Efficacy of Elexacaftor\/Tezacaftor\/Ivacaftor for 24 Weeks or Longer in People with Cystic Fibrosis and One or More F508del Alleles: Interim Results of an Open-Label Phase 3 Clinical Trial","volume":"203","year":"2021","journal-title":"Am J Respir Crit Care Med"},{"key":"2023012712250635000_2023.01.22.23284619v1.7","doi-asserted-by":"publisher","DOI":"10.1038\/ni.2921"},{"key":"2023012712250635000_2023.01.22.23284619v1.8","doi-asserted-by":"publisher","DOI":"10.1189\/jlb.0712349"},{"key":"2023012712250635000_2023.01.22.23284619v1.9","doi-asserted-by":"publisher","DOI":"10.1146\/annurev-biochem-060815-014442"},{"key":"2023012712250635000_2023.01.22.23284619v1.10","doi-asserted-by":"crossref","first-page":"254","DOI":"10.1038\/s41577-019-0240-6","article-title":"Efferocytosis in health and disease","volume":"20","year":"2020","journal-title":"Nat Rev Immunol"},{"key":"2023012712250635000_2023.01.22.23284619v1.11","doi-asserted-by":"publisher","DOI":"10.1038\/s41590-020-0736-z"},{"key":"2023012712250635000_2023.01.22.23284619v1.12","doi-asserted-by":"crossref","first-page":"1470","DOI":"10.1038\/s41590-022-01311-1","article-title":"Cellular and transcriptional dynamics of human neutrophils at steady state and upon stress","volume":"23","year":"2022","journal-title":"Nat Immunol"},{"key":"2023012712250635000_2023.01.22.23284619v1.13","doi-asserted-by":"publisher","DOI":"10.1002\/0471142735.im0723s111"},{"key":"2023012712250635000_2023.01.22.23284619v1.14","doi-asserted-by":"crossref","unstructured":"Wigerblad G , Cao Q , Brooks S , Naz F , Gadkari M , Jiang K , Gupta S , O\u2019Neil L , Dell\u2019Orso S , Kaplan MJ , Franco LM. 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