The impact of microglial activation on blood-brain barrier in brain diseases.

The impact of microglial activation on blood-brain barrier in brain diseases.
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DOI:
10.3389/fncel.2014.00362
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发表时间:
2014
影响因子:
5.3
通讯作者:
Lima FR
Lima FR
中科院分区:
医学2区
文献类型:
--
作者:
da Fonseca AC;Matias D;Garcia C;Amaral R;Geraldo LH;Freitas C;Lima FR

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血脑屏障(BBB)由内皮细胞(EC)与神经元和胶质细胞(包括小胶质细胞)组成的广泛网络构成,形成神经血管单位(NVU)。这些细胞之间的相互干扰保证了大脑功能的适当环境。在这种情况下,内皮-小胶质细胞相互作用的变化与脑中的多种炎症相关疾病相关,其中BBB通透性受损。越来越多的证据表明,激活的小胶质细胞调节紧密连接的表达,这是必要的BBB的完整性和功能。另一方面,内皮可以调节小胶质细胞的激活状态。在这里,我们回顾了最近的进展,提供洞察小胶质细胞和血管系统之间的相互作用,在脑疾病,如感染性/炎症性疾病,癫痫,缺血性中风和神经退行性疾病。
The blood-brain barrier (BBB), constituted by an extensive network of endothelial cells (ECs) together with neurons and glial cells, including microglia, forms the neurovascular unit (NVU). The crosstalk between these cells guarantees a proper environment for brain function. In this context, changes in the endothelium-microglia interactions are associated with a variety of inflammation-related diseases in brain, where BBB permeability is compromised. Increasing evidences indicate that activated microglia modulate expression of tight junctions, which are essential for BBB integrity and function. On the other hand, the endothelium can regulate the state of microglial activation. Here, we review recent advances that provide insights into interactions between the microglia and the vascular system in brain diseases such as infectious/inflammatory diseases, epilepsy, ischemic stroke and neurodegenerative disorders.
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