目的：观察半胱氨酸蛋白酶3在局灶性脑缺血再灌注不同时间、灶周皮质的动态时空变化。
AIM: To investigate the spatiotemporal change of caspase-3 at different time in perifocal cortex after focal cerebral ischemia and reperfusion.
目的研究血红素氧合酶1 (HO 1)及血红素氧合酶2 (HO 2)在局灶性脑缺血中的作用。
Objective To study the different role of heme oxygenase-1 (HO-1) and heme oxygenase-2 (HO-2) protein during permanent focal cerebral ischemia in rats.
方法：采用线栓法引起大鼠局灶性脑缺血模型，在缺血后进行再灌注，测定脑梗死面积并进行神经缺陷评分及观察病理组织学改变。
Methods: to make the model of cerebral ischemia and after restoration of blood flow with thread embolism, and measure the area of cerebral infarction and observe cerebral pathologic change.
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