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观察血栓性局部脑缺血过程中缺血中心区及半暗区血小板活化因子(ｐｌａｔｅｌｅｔａｃｔｉｖａｔｉｎｇｆａｃｔｏｒ,ＰＡＦ)受体的消长变化,探讨ＰＡＦ在脑缺血中心区及半暗区神经元继发性脑损伤中的分子机制.建立光化学诱导树鼠句血栓性局部脑缺血模型并提取树鼠句脑细胞膜蛋
To observe the changes of platelet activating factor (PAF) receptors in the ischemic center and semi-dark area during thrombotic focal cerebral ischemia, and to explore the role of PAF in the secondary brain injury in central and semi-dark regions of cerebral ischemia In order to establish a photochemical-induced thrombolytic model of partial cerebral ischemia and extract rat brain cell membrane egg