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IL-13 decreases susceptibility to airway epithelial SARS-CoV-2 infection but increases disease severity in vivo via eicosanoid signalling
Journal article   Open access   Peer reviewed

IL-13 decreases susceptibility to airway epithelial SARS-CoV-2 infection but increases disease severity in vivo via eicosanoid signalling

Shreya Ghimire, Biyun Xue, Kun Li, Ryan M Gannon, Christine L Wohlford-Lenane, Andrew L Thurman, Huiyu Gong, Grace C Necker, Jian Zheng, David K Meyerholz, …
EBioMedicine, Vol.120, 105920
10/2025
DOI: 10.1016/j.ebiom.2025.105920
PMCID: PMC12466150
PMID: 40957220
url
https://doi.org/10.1016/j.ebiom.2025.105920View
Published (Version of record) Open Access

Abstract

Treatments available to prevent progression of virus-induced lung diseases, including coronavirus disease 2019 (COVID-19) are of limited benefit once respiratory failure occurs. The efficacy of approved and emerging cytokine signalling-modulating antibodies is variable and is affected by disease course and patient-specific inflammation patterns. Therefore, understanding the role of inflammation on the viral infectious cycle is critical for effective use of cytokine-modulating agents. The role of the type 2 cytokine IL-13 on SARS-CoV-2 binding/entry, replication, and host response was investigated in primary HAE cells in vitro and in a model of mouse-adapted SARS-CoV-2 infection in vivo using single-cell and bulk RNA-sequencing approaches. Additionally, the responses were quantified using immunofluorescence, histopathology, immunohistochemistry and LC-MS/MS assays. IL-13 protected airway epithelial cells from SARS-CoV-2 infection in vitro by decreasing the abundance of ACE2-expressing ciliated cells rather than by neutralisation in the airway surface liquid or by interferon-mediated antiviral effects. In contrast, IL-13 worsened disease severity in mice; the effects were mediated by eicosanoid signalling and were abolished in mice deficient in the phospholipase A enzyme PLA2G2D. IL-13-induced inflammation differentially affects multiple steps of COVID-19 pathogenesis. IL-13-induced inflammation may be protective against initial SARS-CoV-2 airway epithelial infection; however, it enhances disease progression in vivo. Blockade of IL-13 and/or eicosanoid signalling may be protective against progression to severe respiratory virus-induced lung diseases. Carver Trust COVID-19 Grant; CF Foundation Iowa RDP; NIH 1R01HL163024; K01HL140261; NIH R01AI129269; NIH P01AI060699; NIH Grant P30 DK-54759; Cystic Fibrosis Foundation PEZZUL20A1-KB; Stead Family Foundation.
COVID-19 Eicosanoids SARS-CoV-2 scRNA-seq IL-13 Prostaglandin

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