Cell-cell interactions in synovitis: antigen presenting cells and T cell interaction in rheumatoid arthritis.

Cell-cell interactions in synovitis: antigen presenting cells and T cell interaction in rheumatoid arthritis.
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DOI:
10.1186/ar135
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发表时间:
2001
期刊:
Arthritis research
影响因子:
--
通讯作者:
Natvig JB
Natvig JB
中科院分区:
其他
文献类型:
--
作者:
Aarvak T;Natvig JB

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类风湿关节炎(RA)患者的滑膜组织富含成熟的抗原呈递细胞(APC)和大量的T淋巴细胞。APC和T细胞之间的相互作用对于T细胞依赖性免疫应答的启动和扩增是必不可少的,因此可能在滑膜的慢性炎症过程中起重要作用。涉及RA的抗原的性质仍然是难以捉摸的。然而,通过共刺激分子CD 28-CD 80/86和CD 40-CD 40 L的相互作用和信号传导在APC-T细胞相互作用期间对于最佳细胞活化是至关重要的。这篇综述讨论了这种共刺激信号如何参与滑膜炎症反应的启动和放大。阻断APC-T细胞相互作用的信号通路可能为RA的治疗提供一种特异性的免疫治疗方法。
The synovial tissue in rheumatoid arthritis (RA) patients is enriched with mature antigen presenting cells (APCs) and many T lymphocytes. Interactions between APCs and T cells are essential for the initiation and amplification of T-cell-dependent immune responses, and may therefore play an important role in the chronic inflammatory processes in the synovium. The nature of the antigen(s) involved in RA still remains elusive. However, interactions and signaling through the costimulatory molecules CD28-CD80/86 and CD40-CD40L are critical during APC–T cell interaction for optimal cell activation. This review discusses how such costimulatory signals can be involved in the initiation and amplification of the inflammatory reactions in the synovium. Blocking of the signaling pathways involved in APC–T cell interactions might provide a specific immuno-therapeutic approach for the treatment of RA.
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