Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics · 2014
[Roles of CD4+CD25+Foxp3+ regulatory T cells and IL-33 in the pathogenesis of asthma in children].
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Pan Zhen-Zhen, Li Ling, Guo Yun, He Jian
Аннотация
OBJECTIVE: To study the roles of CD4(+)CD25(+)Foxp3(+) regulatory T cells (Treg) and IL-33 in the pathogenesis of asthma in children.
METHODS: Flow cytometry was used to detect peripheral blood CD4(+)CD25(+)Foxp3(+)Treg proportion in CD4(+)T lymphocytes in.45 children with asthma, 50 children with wheezing caused by respiratory syncytial virus infection and 40 healthy children. Serum levels of IFN-γ, IL-4, IL-5 and IL-33 were measured using ELISA.
RESULTS: The level of peripheral blood CD4(+)CD25(+)Foxp3(+)Treg in the asthma group was significantly lower than in the wheezing and control groups (P<0.05). In contrast, serum levels of IL-33 in the asthma group was significantly higher than in the wheezing and control groups (P<0.05). Peripheral blood CD4(+)CD25(+)Foxp3(+)Treg level was negatively correlated with serum IL-33 level in the asthma group(r=-0.156, P<0.01).
CONCLUSIONS: CD4(+)CD25(+)Foxp3(+)Treg may interact with IL-33 in the pathogenesis of childhood asthma.
METHODS: Flow cytometry was used to detect peripheral blood CD4(+)CD25(+)Foxp3(+)Treg proportion in CD4(+)T lymphocytes in.45 children with asthma, 50 children with wheezing caused by respiratory syncytial virus infection and 40 healthy children. Serum levels of IFN-γ, IL-4, IL-5 and IL-33 were measured using ELISA.
RESULTS: The level of peripheral blood CD4(+)CD25(+)Foxp3(+)Treg in the asthma group was significantly lower than in the wheezing and control groups (P<0.05). In contrast, serum levels of IL-33 in the asthma group was significantly higher than in the wheezing and control groups (P<0.05). Peripheral blood CD4(+)CD25(+)Foxp3(+)Treg level was negatively correlated with serum IL-33 level in the asthma group(r=-0.156, P<0.01).
CONCLUSIONS: CD4(+)CD25(+)Foxp3(+)Treg may interact with IL-33 in the pathogenesis of childhood asthma.