Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics · 2011
[Levels of regulatory T cells in peripheral blood of children with idiopathic thrombocytopenic purpura].
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Wang Xue-Ping, Qiu Yun-Shu, Hao Guo-Ping, Zhu Lei
Аннотация
OBJECTIVE: To study the levels of CD4+CD25+CD127- and CD3+CD4-CD8- regulatory T (Treg) cells in peripheral blood of children with idiopathic thrombocytopenic purpura (ITP).
METHODS: The flow cytometry was used to detect the expression of CD4+CD25+CD127- and CD3+CD4-CD8- Treg cells in peripheral blood of 33 children with ITP and 21 healthy children.
RESULTS: The expression levels of CD4+CD25+CD127-［(2.7±1.7)% vs (4.8±1.6)%; P<0.01］and CD3+CD4-CD8-［(5.2±3.1)% vs (8.1±3.5)%; P<0.01］Treg cells in children with ITP were significantly lower than in the controls.
CONCLUSIONS: The expression levels of CD4+CD25+CD127- and CD3+CD4-CD8- Treg cells decrease in children with ITP, suggesting that CD4+CD25+CD127- and CD3+CD4-CD8- Treg cells might play a role in the pathogenesis of ITP.
METHODS: The flow cytometry was used to detect the expression of CD4+CD25+CD127- and CD3+CD4-CD8- Treg cells in peripheral blood of 33 children with ITP and 21 healthy children.
RESULTS: The expression levels of CD4+CD25+CD127-［(2.7±1.7)% vs (4.8±1.6)%; P<0.01］and CD3+CD4-CD8-［(5.2±3.1)% vs (8.1±3.5)%; P<0.01］Treg cells in children with ITP were significantly lower than in the controls.
CONCLUSIONS: The expression levels of CD4+CD25+CD127- and CD3+CD4-CD8- Treg cells decrease in children with ITP, suggesting that CD4+CD25+CD127- and CD3+CD4-CD8- Treg cells might play a role in the pathogenesis of ITP.