结论：SA可减轻大脑中动脉血栓所致局部脑缺血性损伤。

CONCLUSIONS: SA reduced focal cerebral ischemic injury induced by middle cerebral artery thrombosis.

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目的：观察针刺对局部脑缺血大鼠大脑皮层基质金属蛋白- 2 (MMP - 2)表达的影响。

Objective: To investigate the effects of acupuncture on the MMP-2 expression in cerebral cortex after permanent focal cerebral ischemia in rats.

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