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Rhinovirus Infection of ORMDL3 Transgenic Mice Is Associated with Reduced Rhinovirus Viral Load and Airway Inflammation

Authors
Song, Dae JinMiller, MarinaBeppu, AndrewRosenthal, PeterDas, SudiptaKarta, MayaVuong, ChristineMehta, Amit KumarCroft, MichaelBroide, David H.
Issue Date
1-10월-2017
Publisher
AMER ASSOC IMMUNOLOGISTS
Citation
JOURNAL OF IMMUNOLOGY, v.199, no.7, pp.2215 - 2224
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF IMMUNOLOGY
Volume
199
Number
7
Start Page
2215
End Page
2224
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/81951
DOI
10.4049/jimmunol.1601412
ISSN
0022-1767
Abstract
Orosomucoid like 3 (ORMDL3), a gene localized to chromosome 17q21, has been linked in epidemiologic studies to childhood asthma and rhinovirus (RV) infections. As the single nucleotide polymorphisms linking ORMDL3 to asthma are associated with increased expression of ORMDL3, we have used hORMDL3(zp3-cre) mice (which have universal increased expression of human ORMDL3) to determine whether infection of these transgenic mice with RV influences levels of airway inflammation or RV viral load. RV infection of hORMDL3(zp3-cre) mice resulted in reduced RV viral load assessed by quantitative real-time PCR (lung and airway epithelium), as well as reduced airway inflammation (total bronchoalveolar lavage cells, neutrophils, macrophages, and lymphocytes) compared with RV-infected wild-type mice. Levels of the antiviral pathways including IFNs (IFN-alpha, IFN-beta, IFN-lambda) and RNAse L were significantly increased in the lungs of RV-infected hORMDL3(zp3-cre) mice. Levels of the antiviral mouse oligoadenylate synthetase (mOas)lg pathway and RNAse L were upregulated in the lungs of unchallenged hORMDL3(zp3-cre) mice. In addition, levels of mOas2, but not mOas1 (mOas1a, mOas1b, mOas1g), or mOas3 pathways were significantly more upregulated by IFNs (IFN-alpha, IFN-beta, IFN-lambda) in epithelial cells from hORMDL3(zp3-cre) mice compared with RV-infected wild-type mouse epithelial cells. RNAse L-deficient mice infected with RV had increased RV viral load. Overall, these studies suggest that increased levels of ORMDL3 contribute to antiviral defense to RV infection in mice through pathways that may include IFNs (IFN-alpha, IFN-beta, IFN-lambda), OAS, and RNAse L.
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