丹皮酚对大鼠脑缺血再灌注后细胞间黏附分子-1表达的影响

Chinese Journal of Clinical Rehabilitation(2004)

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Abstract
目的:观察丹皮酚对大鼠脑缺血再灌注后细胞间黏附分子-1(intercellular adhesion molecule-1,ICAM-1)蛋白表达的影响.方法:利用线栓法制备大鼠大脑中动脉缺血2 h再灌注24 h模型,治疗组缺血时腹腔注射丹皮酚.行苏木精-伊红染色计数缺血区中性粒细胞浸润及坏死神经元的数目,应用免疫组化方法检测ICAM-1蛋白的表达情况.结果:丹皮酚治疗组坏死神经元百分率[(25.85±3.93)%]低于对照组[(31.13±4.58)%,t=2.770,P<0.05].中性粒细胞的浸润数治疗组[(15.40±2.59)个/视野]较对照组[(19.10±2.81)个/视野]显著减少(t=3.063,P<0.01).ICAM-1的表达治疗组[(13.90±2.18)条/视野]较对照组[(16.20±2.30)条/视野]下调(t=2.290,P<0.05).结论:丹皮酚可能具有抑制大鼠脑缺血再灌注后ICAM-1蛋白表达的作用,从而减轻了神经元损伤.
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