ArticleAllergy2026
Immune Training of the Interleukin 6 Gene in Airway Epithelial Cells is Central to Asthma Exacerbations.
Article in Allergy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- DAMPs, PAMPs, and Alarmins: From Mechanism to Therapy.MedComm · 2026Review
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Authors and funding
35 authors.
Funding
Abstract
questionEpidemiological studies suggest that respiratory viral infections are major triggers of asthma exacerbations, and clinical studies have suggested the involvement of an increased interleukin-6 (IL-6) release. What is the pathophysiological role of IL-6 in asthma exacerbation, and which mechanisms lead to enhanced IL-6 release? MATERIALS AND
methodsExacerbations of ovalbumin-induced experimental allergic asthma were elicited in wild-type and IL-6-deficient mice by intranasal (i.n.) application of poly(I:C). Airway inflammation, cytokine expression and release, mucus production and airway hyperresponsiveness were measured. IL-6 was neutralised by i.n. anti-IL-6 antibody application. The human bronchial epithelial cell line, BEAS-2B, was stimulated with poly(I:C) and infected with human rhinovirus-16 in vitro, followed by quantification of IL6 gene expression and DNA methylation. Genome-wide DNA methylation was assessed in bronchial epithelial cells from adults with asthma (cohort I, n = 54) and in nasal epithelial cells from children and adults in the All-Age-Asthma cohort (ALLIANCE, n = 53 and n = 108 respectively).
resultsPoly(I:C)-induced experimental exacerbations in mice were preceded and paralleled by exaggerated IL-6 release in the airway epithelium, with IL-6 neutralisation completely preventing experimental exacerbations. Repetitive infection/stimulation with RV16 or poly(I:C) resulted in training of the IL-6 release in human respiratory epithelial cells. In patients, hypomethylation at the IL6 gene methylation was associated with high IL6 expression and future exacerbations. ANSWER: An exaggerated IL-6 release is required for exacerbation of experimental asthma, potentially the result of viral PAMP-induced immune training of airway epithelial cells. Additionally, patients with asthma carrying the epigenetic signature of a trained IL-6 response exacerbate more frequently. These findings open new avenues to identify and treat exacerbation-prone patients.
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