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调节性T细胞与支气管哮喘

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摘要 调节性T细胞(CD4+CD25+Tr细胞)是近年被关注的一类免疫调节细胞,在小鼠支气管哮喘模型中多数研究显示CD4+CD25+Tr细胞可以抑制抗原致敏,在Th2细胞介导的肺部炎症的调节中发挥重要作用。人类的CD4+CD25+Tr细胞可以抑制Th2细胞对抗原的应答,在支气管哮喘和过敏性疾病患者这一抑制过程可能存在缺陷或不足。多种免疫治疗的机制可能与CD4+CD25+Tr细胞有关。关于CD4+CD25+Tr细胞调节作用的精确机制仍然存在争议,对该细胞的进一步研究将有助于对支气管哮喘致病机制的深入了解,并为支气管哮喘的防治带来新的希望。
出处 《国际呼吸杂志》 2006年第5期341-344,共4页 International Journal of Respiration
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