缺血诱导的脑细胞损伤机制。膜理论。

K Kogure, J Tanaka, T Araki
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引用次数: 49

摘要

暂时性脑缺血只损伤选择性易损的脑细胞。死亡过程伴随着谷氨酸介导的细胞内信号转导系统的进化,同时伴随着Ca2+稳态的丧失。这种缺血后的变化最终会破坏细胞膜的功能和结构完整性,并杀死神经元。讨论了药物保护剂的分子基础。
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The mechanism of ischemia-induced brain cell injury. The membrane theory.

Temporal ischemia of the brain injures only the selectively vulnerable brain cells. The dying process evolves along with glutamate-mediated intracellular signal-transduction system, together with a loss of Ca2+ homeostasis. Such post-ischemic changes eventually disrupt functional and structural integrity of the cell membrane and kill the neuron. Molecular basis in pharmacoprotective agents is discussed.

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The mechanism of ischemia-induced brain cell injury. The membrane theory. Peroxidative damage to cell membranes following cerebral ischemia. A cause of ischemic brain injury? Phosphoinositide turnover and calcium ion mobilization in receptor activation. Polyamines in cerebral ischemia. Reduction of neural damage in irreversible cerebral ischemia by calcium antagonists.
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