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低分子肝素对大鼠脑缺血后活化的小胶质细胞和巨噬细胞及TNF-α表达的影响 被引量:4

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摘要 目的研究低分子肝素(LMWH)对大鼠局灶性脑缺血再灌注后活化的小胶质细胞和巨噬细胞及TNF-α表达的影响。方法建立大鼠大脑中动脉缺血再灌注模型,并将大鼠随机分为假手术组、对照组、LMWH治疗组,对照组及LMWH治疗组分别于脑缺血2h再灌注3、24、48、72h处死;应用免疫荧光染色检测脑组织中活化的小胶质细胞和巨噬细胞数量变化,应用免疫组化染色观察TNF-α阳性细胞。结果治疗组与对照组比较24、48、72h组梗死灶周围活化的小胶质细胞和巨噬细胞及TNF-α阳性细胞明显减少(P<0.05)。结论LMWH对大鼠脑缺血再灌注后梗塞灶周围活化的小胶质细胞和巨噬细胞及TNF-α表达有明显抑制作用。
出处 《卒中与神经疾病》 2006年第3期176-177,共2页 Stroke and Nervous Diseases
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