Methods: The proportion of peripheral blood CD4+CD25+ Tr was determined by flow cytometry in 31 patients with BD and 27 healthy controls.

• 方法:利用流式细胞仪和单克隆荧光抗体技术测定31例BD患者和27例健康对照者外周血中CD4+CD25+调节性T细胞在CD3+CD4+细胞中的比例。