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中文摘要：
T淋巴细胞在免疫系统中发挥细胞免疫、免疫调节等功能。然而,T细胞的过度激活会导致疾病（如哮喘、系统性红斑狼疮等）的发生,抑制T细胞的过度激活是免疫治疗的重要研究方向。T细胞抑制性受体可通过与其配体结合调控T细胞增殖或功能发挥,并在过敏性疾病、移植排斥等治疗中作为治疗靶点。因此,进一步解析T细胞抑制性受体的三维结构、配体-受体复合物组分及其下信游号通路将有助于免疫治疗的发展。本综述总结了GITR、CTLA-4、BTLA、PD-1、LAIR-1、TIM-3、TIGIT等T细胞抑制性受体的生理生化特性、与其配体结合后对T细胞免疫功能的调节以及抗体药物的研究进展。
英文摘要：
T lymphocytes play a fundamental role in cellular immune and immune regulation in immune system. However, the over- activation of T cells may induce many diseases including asthma, systemic lupus-erythematosus. It is crucial to control the T cell over-activation in the immunotherapy field. The inhibitory receptors of T cells can regulate proliferation and function of T cells by contacting with their ligands. Latest studies have indicated that T cell inhibitory receptors targeting therapy can attenuate the symptoms of diseases and graft rejection. Intensive study on the regulation of T cells would provide effective strategies for preventing and treating immune diseases.
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