Blood-brain barrier dysfunction, status epilepticus, seizures, and epilepsy: a puzzle of a chicken and egg?

Blood-brain barrier dysfunction, status epilepticus, seizures, and epilepsy: a puzzle of a chicken and egg?
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DOI:
10.1111/j.1528-1167.2011.03227.x
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发表时间:
2011-10
期刊:
影响因子:
5.6
通讯作者:
Friedman A
Friedman A
中科院分区:
医学1区
文献类型:
--
作者:
Friedman A

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癫痫持续状态通常与内皮功能障碍和血管通透性增加有关。我们在这里讨论血脑屏障(BBB)功能障碍在癫痫发生和脑损伤中的直接作用。在细胞水平上,星形胶质细胞在存在功能障碍的BBB的情况下对血清蛋白的流出作出早期反应,伴随先天免疫系统的激活和细胞外钾和谷氨酸的稳态紊乱。反过来,神经元的兴奋性增强,网络连接性改变。转化生长因子β(TGF-β)信号转导似乎是预防癫痫发生和癫痫持续状态后继发性损害的潜在新靶点。
Status epilepticus is often associated with endothelial dysfunction and increased vessels permeability. We discuss here the direct role of blood–brain barrier (BBB) dysfunction in epileptogenesis and brain damage. On the cellular level, astrocytes respond early to the efflux of serum proteins in the presence of dysfunctional BBB, with activation of the innate immune system and disturbed homeostasis of extracellular potassium and glutamate. In turn, there is enhanced excitability of neurons and altered network connectivity. Transforming growth factor beta (TGF‐β) signaling appears to be a potential new target for the prevention of epileptogenesis and secondary damage following status epilepticus.
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发表时间: 2007-02-01
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期刊: The Journal of neuroscience : the official journal of the Society for Neuroscience
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