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在狼患者中,CXCL11损害了调节性T细胞的功能

Peng-Yu Chen^1,2,3, Hua Guo^1,3, Yu-Nan Wang^1,2,3

¹Department of Rheumatology, Affiliated Hospital of Nantong University, Nantong 226001, China.

Sheng li xue bao : [Acta physiologica Sinica]

|December 22, 2025

概括

调节性T细胞 (Treg细胞) 的缺陷导致系统性红斑狼 (SLE). 在SLE患者中CXCL11的升高会损害Treg细胞的功能和分化,揭示了一种新的病理途径.

科学领域:

免疫学免疫学免疫学
这是一种自身免疫力.
细胞生物学细胞生物学

背景情况:

系统性红斑狼 (SLE) 是一种慢性自身免疫性疾病,其特征是免疫调节失调.
调节性T细胞 (Treg细胞) 的缺陷与SLE患者观察到的自我耐受性丧失有关.

研究的目的:

调查SLE患者Treg细胞功能受损的潜在原因.
阐明特定细胞因子,如CXCL11,在SLE病变发生过程中的作用.

主要方法:

来自56名SLE患者和33名健康捐献者的周围血液分析.
评估Treg细胞比例 (CD4+CD25+Foxp3+和CD4+Foxp3+) 和血细胞因子水平.
在实验室研究中,使用流细胞计,RT-qPCR,西部斑点和信号测试进行了分离的Treg和原始的CD4+T细胞.

主要成果:

在SLE患者中,Treg细胞的比例降低.
在SLE患者中观察到血CXCL11水平升高,与Treg细胞数相反相关,与疾病严重程度有正相关.
发现CXCL11在体外会损害免疫功能并抑制Treg细胞分化.

结论:

通过阻碍Treg细胞的免疫抑制功能,CXCL11在SLE的发病过程中发挥着重要作用.
这项研究确定了一种新的SLE病理途径,涉及CXCL11介导的Treg细胞功能障碍.

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