Early-life heterologous rhinovirus infections induce an exaggerated asthma-like phenotype.
Early-life heterologous rhinovirus infections induce an exaggerated asthma-like phenotype.
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DOI:
10.1016/j.jaci.2020.03.039
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发表时间:
2020-09
期刊:
影响因子:
--
通讯作者:
Hershenson MB
中科院分区:
文献类型:
--
作者:
Rajput C;Han M;Ishikawa T;Lei J;Jazaeri S;Bentley JK;Hershenson MB
Early-life wheezing-associated respiratory tract infection by rhinovirus (RV) is a risk factor for asthma development. Infants are infected with many different RV strains per year. We previously showed that RV infection of 6 day-old BALB/c mice induces a mucous metaplasia phenotype which is dependent on type 2 innate lymphoid cells (ILC2s). We hypothesized that early-life RV infection alters the response to subsequent heterologous infection, inducing an exaggerated asthma-like phenotype. Wild type BALB/c mice and Rorafl/flIl7rcre mice lacking ILC2s were treated as follows: 1) day 6 of life sham + day 13 of life sham; 2) day 6 RV-A1B + day 13 sham; 3) day 6 sham + day 13 RV-A2; and 4) day 6 RV-A1B + day 13 RV-A2. Mice infected with RV-A1B at 6 days and sham at 13 days showed increased BAL eosinophils and mRNA expression of IL-13 but not IFN-γ, indicative of a type 2 immune response, whereas mice infected with sham on day 6 and RV-A2 on day 13 of life demonstrated increased IFN-γ expression, a mature antiviral response. In contrast, mice infected RV-A1B on day 6 prior to RV-A2 infection on day 13 showed increased eosinophils, mRNA expression of IL-13, IL-5, Gob5, Muc5b and Muc5ac, expansion of IL-13-producing ILC2s and exaggerated mucus metaplasia and airways hyperresponsiveness. Rorafl/flIl7rcre mice showed complete suppression of BAL eosinophils and mucous metaplasia compared to Rorafl/fl mice. Early-life RV infection alters the response to subsequent heterologous infection, inducing intensified asthma-like phenotype which is dependent on ILC2s. Early-life wheezing with rhinovirus (RV) is associated with asthma, and infants are infected with many RV strains. RV infection of immature mice alters the immune response to subsequent heterologous infection, causing an exaggerated asthma-like phenotype.
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DOI:
10.4049/jimmunol.1700216
发表时间:
2017-08-15
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Han M;Rajput C;Hong JY;Lei J;Hinde JL;Wu Q;Bentley JK;Hershenson MB
通讯作者:
Hershenson MB
影响因子:
16.6
作者:
Bouchery, Tiffany;Kyle, Ryan;Le Gros, Graham
通讯作者:
Le Gros, Graham
影响因子:
4.4
作者:
KleinJan, Alex;Wolterink, Roel G. J. Klein;Hendriks, Rudi W.
通讯作者:
Hendriks, Rudi W.
影响因子:
5.8
作者:
Hong JY;Chung Y;Steenrod J;Chen Q;Lei J;Comstock AT;Goldsmith AM;Bentley JK;Sajjan US;Hershenson MB
通讯作者:
Hershenson MB
影响因子:
4.4
作者:
Dakhama, A;Park, JW;Gelfand, EW
通讯作者:
Gelfand, EW