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首页> 中文期刊> 《海南医科大学学报(英文版)》 >The relationship of different respiratory virus infection with pediatric asthma attack as well as cytokine and lymphocyte subset levels

The relationship of different respiratory virus infection with pediatric asthma attack as well as cytokine and lymphocyte subset levels

         
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Objective:To study the relationship of different respiratory virus infection with pediatric asthma attack as well as cytokine and lymphocyte subset levels.Methods: A total of 85 children who were diagnosed with bronchial asthma in our hospital between May 2013 and March 2016 were selected as asthma group and further divided into asthma-RSV group, asthma-AV group, asthma-PIV group, asthma-IFV group and pure asthma group according to the condition of respiratory virus infection, and 70 healthy children who received physical examination in our hospital during the same period were selected as the control group. Spirometer was used to determine airway function parameters, enzyme-linked immunosorbent assay kits were used to determine serum cytokine contents, and flow cytometry was used to determine peripheral blood lymphocyte subset contents.Results: FEV1/FVC, FEF25, FEF50 and FEF75 levels, serum IL-2, IFN-γ and TGF-β1 contents as well as peripheral blood Th1 and Treg cell contents of asthma groups were significantly lower than those of control group while serum IL-4, IL-5 and IL-17 contents as well as peripheral blood Th2 and Th17 cell contents were significantly higher than those of control group;FEV1/FVC, FEF25, FEF50 and FEF75 levels, serum IL-2, IFN-γ and TGF-β1 contents as well as peripheral blood Th1 and Treg cell contents of asthma-RSV group and asthma-IFV group were significantly lower than those of pure asthma group while serum IL-4, IL-5 and IL-17 contents as well as peripheral blood Th2 and Th17 cell contents were significantly higher than those of pure asthma group;these indexes of asthma-AV group and asthma-PIV group were not significantly different from those of pure asthma group.Conclusion: RSV and IFV infection can affect the airway function and the balance of CD4+T cell subsets to promote the development of asthma.

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