CCL2-expressing astrocytes mediate the extravasation of T lymphocytes in the brain. Evidence from patients with glioma and experimental models in vivo.

CCL2-expressing astrocytes mediate the extravasation of T lymphocytes in the brain. Evidence from patients with glioma and experimental models in vivo.
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DOI:
10.1371/journal.pone.0030762
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发表时间:
2012
期刊:
影响因子:
3.7
通讯作者:
Herrero MT
Herrero MT
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Carrillo-de Sauvage MA;Gómez A;Ros CM;Ros-Bernal F;Martín ED;Perez-Vallés A;Gallego-Sanchez JM;Fernández-Villalba E;Barcia C Sr;Barcia C Jr;Herrero MT

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CCL2是一种参与脑炎症的趋化因子,但其促进淋巴细胞进入脑实质的方式尚不清楚。负责这一任务的细胞类型的成像以及该过程如何在体内发生的细节仍然难以捉摸。在此,我们分析了在大脑中T细胞浸润的多种情况下和三种不同物种中过度表达CCL2的细胞类型。我们观察到CCL 2+星形胶质细胞在脑中T细胞的浸润中发挥作用,并且我们的分析显示T细胞与血管周围星形胶质细胞的接触发生,这表明这可能是淋巴细胞外渗的重要事件。
CCL2 is a chemokine involved in brain inflammation, but the way in which it contributes to the entrance of lymphocytes in the parenchyma is unclear. Imaging of the cell type responsible for this task and details on how the process takes place in vivo remain elusive. Herein, we analyze the cell type that overexpresses CCL2 in multiple scenarios of T-cell infiltration in the brain and in three different species. We observe that CCL2+ astrocytes play a part in the infiltration of T-cells in the brain and our analysis shows that the contact of T-cells with perivascular astrocytes occurs, suggesting that may be an important event for lymphocyte extravasation.
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