Ligand recognition during thymic development and gammadelta T cell function specification.
Ligand recognition during thymic development and gammadelta T cell function specification.
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DOI:
10.1016/j.smim.2010.04.002
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发表时间:
2010-08
影响因子:
7.8
通讯作者:
Chien YH
中科院分区:
文献类型:
--
作者:
Meyer C;Zeng X;Chien YH
γδ T cells develop in the thymus before entering the periphery. Recent work suggests that thymic development does little to constrain γδ T cell antigen specificities, but instead determines their effector fate. When triggered through the T cell receptor, ligand-naïve γδ T cells produce IL-17, ligand-experienced cells make IFN-γ and those that are strongly self-reactive make IL-4. Importantly, γδ T cells are able to make cytokines immediately upon TCR engagement. These characteristics allow γδ T cells to initiate an acute inflammatory response to pathogens and to host antigens revealed by injury. These advances warrant a fresh look at how γδ T cells may function in the immune system.
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