Neuroinflammation in Ischemic Stroke: Focus on MicroRNA-mediated Polarization of Microglia.

Neuroinflammation in Ischemic Stroke: Focus on MicroRNA-mediated Polarization of Microglia.
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缺血性中风中的神经炎症:关注 MicroRNA 介导的小胶质细胞极化

DOI:
10.3389/fnmol.2020.612439
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发表时间:
2020
影响因子:
4.8
通讯作者:
Xu S
Xu S
中科院分区:
医学2区
文献类型:
--
作者:
Lian L;Zhang Y;Liu L;Yang L;Cai Y;Zhang J;Xu S

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缺血性中风是世界范围内最常见的死亡和残疾原因之一。神经炎症是缺血性损伤和修复过程中的主要病理事件。特别是,小胶质细胞在神经炎症中发挥双重作用。在中风发作的急性期,M2小胶质细胞是主要的表型,并对神经元细胞发挥保护作用,而永久性M1小胶质细胞有助于延长炎症,并对脑组织有害。新出现的证据表明microRNAs(miRNAs)可能对小胶质细胞相关炎症具有调节作用。因此,我们简要回顾了中风后小胶质细胞的动态反应,并评估了特定的miRNA如何影响反应性小胶质细胞的行为。我们的结论是,miRNAs可能是有用的新的治疗靶点,以改善中风的结果和调节神经炎症。
Ischemic stroke is one of the most common causes of death and disability worldwide. Neuroinflammation is a major pathological event involved in the process of ischemic injury and repair. In particular, microglia play a dual role in neuroinflammation. During the acute phase of stroke onset, M2 microglia are the dominant phenotype and exert protective effects on neuronal cells, whereas permanent M1 microglia contribute to prolonged inflammation and are detrimental to brain tissue. Emerging evidence indicates that microRNAs (miRNAs) may have regulatory effects on microglia-associated inflammation. Thus, we briefly reviewed the dynamic response of microglia after a stroke and assessed how specific miRNAs affect the behavior of reactive microglia. We concluded that miRNAs may be useful novel therapeutic targets to improve stroke outcomes and modulate neuroinflammation.
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