TSP1-producing B cells show immune regulatory property and suppress allergy-related mucosal inflammation.

TSP1-producing B cells show immune regulatory property and suppress allergy-related mucosal inflammation.
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产生 TSP1 的 B 细胞显示出免疫调节特性并抑制过敏相关的粘膜炎症

DOI:
10.1038/srep03345
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发表时间:
2013-11-26
期刊:
影响因子:
4.6
通讯作者:
Yang PC
Yang PC
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Zhang HP;Wu Y;Liu J;Jiang J;Geng XR;Yang G;Mo L;Liu ZQ;Liu ZG;Yang PC

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特异性免疫疗法(SIT)是目前治疗过敏性疾病的唯一特效药。B细胞是免疫系统中重要的免疫细胞。B细胞在免疫调节活动中的作用尚未完全了解。本研究旨在阐明血小板反应蛋白(TSP)1产生B细胞在SIT的免疫调节作用中的作用。结果表明,SIT后,食物过敏小鼠肠道中CD 35 +B细胞的频率增加。CD 35 +B细胞在接触特异性抗原后表达TSP 1。与产生TSP 1的CD 35 +B细胞共培养降低了树突状细胞中CD 80/CD 86的水平;这些细胞将幼稚CD 4 +T细胞转化为调节性T细胞,以抑制肠道中的过敏性炎症。
Specific immunotherapy (SIT) is the only specific remedy for the treatment of allergic diseases currently. B cells are important immune cells in the immunity. The role of B cells in immune regulatory activities has not been fully understood yet. This study aims to elucidate the role of the thrombospondin (TSP)1-producing B cells in the immune regulatory role of SIT. The results showed that after SIT, the frequency of CD35+B cells was increased in the intestine of mice with food allergy. The CD35+B cells expressed TSP1 after exposure to specific antigens. Co-culture with the TSP1-producing CD35+B cells decreased the levels of CD80/CD86 in dendritic cells; the cells convert naïve CD4+T cells to regulatory T cells to inhibit allergic inflammation in the intestine.
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发表时间: 2012
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