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选择性COX-2抑制剂对大鼠局灶性脑缺血再灌注损伤的保护作用 被引量:2

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摘要 目的观察诱导型环加氧酶(COX-2)抑制剂对大鼠局灶性脑缺血再灌注损伤(CIRI)的保护作用,探讨其可能机制。方法线栓法制备大鼠大脑中动脉闭塞2h/再灌注24h模型,治疗组在再灌注同时灌胃给予罗非昔布(Rofe-coxib)2.24mg/kg,对照组给予等容量生理盐水。免疫组化法测定脑组织中COX-2表达情况,用软件计算脑梗死面积,测定脑组织NO含量及NOS活性变化。结果 CIRI后脑组织COX-2表达增加,Rofecoxib 2.24mg/kg可有效抑制COX-2活性,能明显缩小脑梗死灶,降低NOS活性及NO含量。结论 Rofecoxib对大鼠局灶性脑缺血/再灌注损伤有保护作用。
作者 陈柏龄
出处 《海峡预防医学杂志》 CAS 2011年第5期43-45,共3页 Strait Journal of Preventive Medicine
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参考文献9

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