NKG2D公司
生物
白细胞介素21
免疫系统
穿孔素
免疫学
先天性淋巴细胞
自然杀伤细胞
自然杀伤性T细胞
T细胞
白细胞介素12
淋巴因子激活杀伤细胞
NK-92
先天免疫系统
细胞毒性T细胞
细胞生物学
CD8型
体外
生物化学
作者
Sarah Q. Crome,Philipp A. Lang,Karl S. Lang,Pamela S. Ohashi
标识
DOI:10.1016/j.it.2013.03.002
摘要
•NK cells can inhibit T cell responses in mice and humans. •NK cells display regulatory activity in a variety of disease models. •NK cells use different strategies to limit T cell function. •It is unclear whether suppressive activity is characteristic of all NK cells or a specific subset. Natural killer (NK) cells are important mediators of the immune response against microbial pathogens and tumors. There is growing evidence from mouse and human studies that, NK cells exhibit immunoregulatory functions and can limit T cell immunity. NK cell regulatory activity has been demonstrated in a variety of disease models including chronic viral infection, autoimmunity, and transplantation. Depending on the nature of the immune challenge, NK cells use different strategies to limit T cell function, including via cytokines, interactions with NK receptors NKG2D and NKp46, or by perforin-mediated T cell death. Future work should address whether specific subsets of NK cells inhibit T cell responses, and how NK cells acquire immunosuppressive functions. Natural killer (NK) cells are important mediators of the immune response against microbial pathogens and tumors. There is growing evidence from mouse and human studies that, NK cells exhibit immunoregulatory functions and can limit T cell immunity. NK cell regulatory activity has been demonstrated in a variety of disease models including chronic viral infection, autoimmunity, and transplantation. Depending on the nature of the immune challenge, NK cells use different strategies to limit T cell function, including via cytokines, interactions with NK receptors NKG2D and NKp46, or by perforin-mediated T cell death. Future work should address whether specific subsets of NK cells inhibit T cell responses, and how NK cells acquire immunosuppressive functions.
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