NFATc1 controls the cytotoxicity of CD8(+) T cells.

NFATc1 controls the cytotoxicity of CD8(+) T cells.
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DOI:
10.1038/s41467-017-00612-6
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发表时间:
2017-09-11
影响因子:
16.6
通讯作者:
Serfling E
Serfling E
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Klein-Hessling S;Muhammad K;Klein M;Pusch T;Rudolf R;Flöter J;Qureischi M;Beilhack A;Vaeth M;Kummerow C;Backes C;Schoppmeyer R;Hahn U;Hoth M;Bopp T;Berberich-Siebelt F;Patra A;Avots A;Müller N;Schulze A;Serfling E

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细胞毒性T淋巴细胞是一种有效的CD8+T细胞,可以清除感染细胞和恶性细胞。在这里,我们展示了转录因子NFATc1控制小鼠细胞毒性T淋巴细胞的细胞毒作用。活化的NFATc1−/−细胞毒性T淋巴细胞表现为细胞骨架结构缺陷,胞浆细胞器向免疫突触募集。这些细胞降低了对肿瘤细胞的细胞毒性,具有NFATc1缺陷T细胞的小鼠在控制李斯特菌感染方面存在缺陷。转录组分析显示,在NFATc1CD8+T细胞中,许多基因的RNA水平降低,包括Tbx21、Gzmb和编码细胞因子和趋化因子的基因,以及控制糖酵解的基因。NFATc1−/−,而不是NFATC2−/−CD8+T细胞有受损的代谢转换到糖酵解,这可以通过IL-2恢复。全基因组芯片序列显示,NFATc1结合了许多控制细胞毒性T淋巴细胞活性的基因。综上所述,这些数据表明NFATc1是细胞毒性T淋巴细胞效应器功能的重要调节因子。NFAT核转位被证明是CD8+T细胞细胞因子产生所必需的,以应对病毒感染。在这里,作者展示了NFATc1控制激活的CD8+T细胞的细胞毒性和代谢转换,这是对细菌和肿瘤细胞的最佳反应所必需的。
Cytotoxic T lymphocytes are effector CD8+ T cells that eradicate infected and malignant cells. Here we show that the transcription factor NFATc1 controls the cytotoxicity of mouse cytotoxic T lymphocytes. Activation of Nfatc1 −/− cytotoxic T lymphocytes showed a defective cytoskeleton organization and recruitment of cytosolic organelles to immunological synapses. These cells have reduced cytotoxicity against tumor cells, and mice with NFATc1-deficient T cells are defective in controlling Listeria infection. Transcriptome analysis shows diminished RNA levels of numerous genes in Nfatc1 −/− CD8+ T cells, including Tbx21, Gzmb and genes encoding cytokines and chemokines, and genes controlling glycolysis. Nfatc1 −/−, but not Nfatc2 −/− CD8+ T cells have an impaired metabolic switch to glycolysis, which can be restored by IL-2. Genome-wide ChIP-seq shows that NFATc1 binds many genes that control cytotoxic T lymphocyte activity. Together these data indicate that NFATc1 is an important regulator of cytotoxic T lymphocyte effector functions. NFAT nuclear translocation has been shown to be required for CD8+ T cell cytokine production in response to viral infection. Here the authors show NFATc1 controls the cytotoxicity and metabolic switching of activated CD8+ T cells required for optimal response to bacteria and tumor cells.
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