1. Praxiology changes and neurologic impairment were evaluated by Longa five-grade scoring standard.The brains were stained with toluidine blue, cresyl viollet.
   大脑中动脉线栓法制备局灶性脑缺血再灌注模型，以Zea Longa评分观察行为学变化；
2. Every ten nude mice were killed at 8 and 12 weeks and were examined by safranine O-fast green and toluidine blue staining.
   8，12周各处死10只，行甲苯胺蓝和番红O-固绿染色。
3. 8，12周各处死10只，行甲苯胺蓝和番红O-固绿染色。
   Every ten nude mice were killed at 8 and 12 weeks and were examined by safranine O-fast green and toluidine blue staining.Every ten nude mice were killed at 8 and 12 weeks and were examined by safranine O-fast green and toluidine blue staining.
   8，12周各处死10只，行甲苯胺蓝和番红O-固绿染色。

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