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Cited by 212

The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.

Interactions between Innate Antiviral and Atopic Immunoinflammatory Pathways Precipitate and Sustain Asthma Exacerbations in Children

Subrata, Lily S, Bizzintino, Joelene, Mamessier, Emilie, Bosco, Anthony, McKenna, Katherine L, Wikström, Matthew E, Goldblatt, Jack, Sly, Peter D, Hales, Belinda J, Thomas, Wayne R, Laing, Ingrid A, LeSouëf, Peter N, Holt, Patrick G·2009·The Journal of Immunology

Abstract

Severe asthma exacerbations in children requiring hospitalization are typically associated with viral infection and occur almost exclusively among atopics, but the significance of these comorbidities is unknown. We hypothesized that underlying interactions between immunoinflammatory pathways related to responses to aeroallergen and virus are involved, and that evidence of these interactions is detectable in circulating cells during exacerbations. To address this hypothesis we used a genomics-based approach involving profiling of PBMC subpopulations collected during exacerbation vs convalescence by microarray and flow cytometry. We demonstrate that circulating T cells manifest the postactivated “exhausted” phenotype during exacerbations, whereas monocyte/dendritic cell populations display up-regulated CCR2 expression accompanied by phenotypic changes that have strong potential for enhancing local inflammation after their recruitment to the atopic lung. Notably, up-regulation of FcεR1, which is known to markedly amplify capacity for allergen uptake/presentation to Th2 effector cells via IgE-mediated allergen capture, and secondarily programming of IL-4/IL-13-dependent IL-13R+ alternatively activated macrophages that have been demonstrated in experimental settings to be a potent source of autocrine IL-13 production. We additionally show that this disease-associated activation profile can be reproduced in vitro by cytokine exposure of atopic monocytes, and furthermore that IFN-α can exert both positive and negative roles in the process. Our findings suggest that respiratory viral infection in atopic children may initiate an atopy-dependent cascade that amplifies and sustains airway inflammation initiated by innate antiviral immunity via harnessing underlying atopy-associated mechanisms. These interactions may account for the unique susceptibility of atopics to severe viral-induced asthma exacerbations.

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Metadata

Authors
Subrata, L. S., Bizzintino, J., Mamessier, E., Bosco, A., McKenna, K. L., Wikström, M. E., Goldblatt, J., Sly, P. D., Hales, B. J., Thomas, W. R., Laing, I. A., LeSouëf, P. N., & Holt, P. G.
Venue
The Journal of Immunology
Published
2009-08
Volume
183
Issue
4
Pages
2793-2800
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1525354362
Cited by
212
References
7
FWCI
15.94
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Interactions between Innate Antiviral and Atopic Immunoinflammatory Pathways Precipitate and Sustain Asthma Exacerbations in Children. https://app.cochat.ai/papers/10.4049/jimmunol.0900695
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Subrata, L. S., Bizzintino, J., Mamessier, E., Bosco, A., McKenna, K. L., Wikström, M. E., Goldblatt, J., Sly, P. D., Hales, B. J., Thomas, W. R., Laing, I. A., LeSouëf, P. N., & Holt, P. G. (2009). Interactions between Innate Antiviral and Atopic Immunoinflammatory Pathways Precipitate and Sustain Asthma Exacerbations in Children. The Journal of Immunology. https://doi.org/10.4049/jimmunol.0900695

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.