Astrocytes modulate the polarization of CD4+ T cells to Th1 cells.

Astrocytes modulate the polarization of CD4+ T cells to Th1 cells.
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DOI:
10.1371/journal.pone.0086257
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发表时间:
2014
期刊:
影响因子:
3.7
通讯作者:
Jope RS
Jope RS
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Beurel E;Harrington LE;Buchser W;Lemmon V;Jope RS

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T 细胞特征是动态的并受多种因素影响。为了测试中枢神经系统 (CNS) 中的细胞和环境是否会影响 T 细胞,我们测试了在小鼠原代星形胶质细胞上培养小鼠 CD4+ T 细胞,与标准饲养细胞相比,是否会改变 T 细胞极化为 Th1 和 Treg 亚型。星形胶质细胞支持 Th1 细胞和 Tregs 的产生,而星形胶质细胞的炎症激活会减少 Th1 细胞和 Tregs 的产生,而星形胶质细胞谷氨酸吸收受损可能导致谷氨酸积累,从而强烈促进 Th1 的产生。这些结果表明星形胶质细胞和 CNS 环境具有调节 T 细胞特性的能力。
T-cell characteristics are dynamic and influenced by multiple factors. To test whether cells and the environment in the central nervous system (CNS) can influence T-cells, we tested if culturing mouse CD4+ T-cells on mouse primary astrocytes, compared with standard feeder cells, modified T-cell polarization to Th1 and Treg subtypes. Astrocytes supported the production of Th1 cells and Tregs, which was diminished by inflammatory activation of astrocytes, and glutamate accumulation that may result from impaired glutamate uptake by astrocytes strongly promoted Th1 production. These results demonstrate that astrocytes and the environment in the CNS have the capacity to regulate T-cell characteristics.
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