AIM: To explore the mechanism of neuronal injury and repair by investigating the expression of caspase-3 and apurinic/apyrimidinic endonuclease (APE/Ref-1) after focal cerebral ischemia.

• 目的 :观察脑缺血后半胱氨酸蛋白酶 3 (caspase - 3 )和脱嘌呤 /脱嘧啶核酸内切酶 (APE/Ref- 1)的表达 ,探讨脑缺血损伤与修复机制。