The involvement of antigen-specific T cells in the pathogenesis of collagen diseases is still controversial. The final stages of collagen diseases are usually characterized by the dominance of inflammation. Therefore, antigen non-specific factors, such as inflammatory cytokines, probably play an important role in this process. On the other hand, the methods available to analyze the antigen-specific aspects of the immune response are still limited. Here we review our novel system of T cell clonality analysis based on the idea that activated antigen-specific T cells should form accumulating clones among the lymphocyte population. Using this method, dynamic changes of clonal accumulation of T cells could be evaluated during antigenic stimulation in vivo and in vitro. The significance of antigen-specific T cell clones in collagen diseases is discussed using data obtained from patients with rheumatoid arthritis and systemic lupus erythematosus.

译文

抗原特异性T细胞参与胶原疾病的发病机理仍存在争议。胶原蛋白疾病的最后阶段通常以炎症为主。因此,抗原非特异性因子 (如炎性细胞因子) 可能在这一过程中起重要作用。另一方面,用于分析免疫应答的抗原特异性方面的方法仍然有限。在这里,我们基于激活的抗原特异性T细胞应在淋巴细胞群体中形成累积克隆的想法,回顾了我们的新型T细胞克隆分析系统。使用该方法,可以在体内和体外评估抗原刺激过程中T细胞克隆积累的动态变化。使用类风湿关节炎和系统性红斑狼疮患者获得的数据讨论了抗原特异性T细胞克隆在胶原疾病中的意义。

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