{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T20:17:37Z","timestamp":1791404257401,"version":"4.3.3"},"reference-count":28,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2025,2,11]],"date-time":"2025-02-11T00:00:00Z","timestamp":1739232000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100000781","name":"European Research Council","doi-asserted-by":"publisher","award":["788575"],"award-info":[{"award-number":["788575"]}],"id":[{"id":"10.13039\/501100000781","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002301","name":"Eesti Teadusagentuur","doi-asserted-by":"publisher","award":["PRG1259"],"award-info":[{"award-number":["PRG1259"]}],"id":[{"id":"10.13039\/501100002301","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Experimental Allergy"],"published-print":{"date-parts":[[2025,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Asthma exacerbations are frequently triggered by human rhinoviruses (RVs). Among other pro\u2010inflammatory responses, RV infection of airway epithelium promotes the activation of the inflammasome pathway, the role of which in asthma exacerbations and disease progression is still poorly understood.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Bronchial brushing or biopsy specimens were collected from asthma patients and control subjects. Functional experiments were performed in cultured human bronchial epithelial cells (HBECs) using RV\u2010A16, poly(I:C), and siRNA transfection. Gene expression was analysed by RNA\u2010sequencing, RT\u2010qPCR, immunofluorescence, western blot or ELISA. Caspase\u20101 activity was evaluated using FAM\u2010FLICA assay.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The expression of NLRP1 was found to be the highest compared to other inflammasome sensors tested in brushed bronchial epithelium samples from asthma patients and control individuals, as well as in cultured primary HBECs. Additionally, we observed increased expression of CASP1 mRNA in bronchial epithelial cells from patients with neutrophilic asthma compared to those with paucigranulocytic and eosinophilic phenotypes. Changes in the expression of inflammasome pathway genes caused by RV\u2010A16 infection were similar in HBEC cultures from asthma patients and controls, except for IL\u20101\u03b2, which showed increased response, and PYCARD, which exhibited decreased change in cells derived from asthma patients. Silencing of NLRP1 expression with siRNAs impeded RV\u2010A16\u2010induced activation of the inflammasome but had no effect on poly(I:C)\u2010induced secretion of IL\u20101\u03b2 and IL\u201018.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>NLRP1 is highly expressed inflammasome sensor in both healthy and asthmatic bronchial epithelium and can be activated by RV\u2010A16. RV\u2010induced changes in the expression of inflammasome pathway genes suggest that there may be differences in HBECs derived from asthma patients, which may depend on the prevailing immunological phenotype of the disease.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cea.70010","type":"journal-article","created":{"date-parts":[[2025,2,12]],"date-time":"2025-02-12T04:24:31Z","timestamp":1739334271000},"page":"239-246","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["<scp>NLRP1<\/scp> Is a Prominent Inflammasome Sensor Found in Bronchial Epithelial Cells in Asthma and Can Be Activated by Rhinovirus <scp>A16<\/scp>"],"prefix":"10.1111","volume":"55","author":[{"given":"Anet","family":"Laanesoo","sequence":"first","affiliation":[{"name":"Institute of Biomedicine and Translational Medicine University of Tartu  Tartu 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