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高压氧对脑缺血再灌注后神经细胞凋亡的影响 被引量:2

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摘要 目的:探讨高压氧对脑缺血再灌注后神经细胞凋亡的影响。方法:成年健康雄性Wistar大鼠36只,随机分为假手术组、对照组、高压氧暴露组,后两组再分为脑缺血1h再灌注12h、24h、3d、5d组,每组4只,应用线栓法制作大鼠左侧大脑中动脉阻塞再灌流模型(MCAO),进行高压氧暴露,应用HE染色和细胞凋亡检测,观察神经细胞病理变化和细胞凋亡分布。结果:对照组随着再灌注时间的延长凋亡细胞的数逐渐增加,至24d达高峰,后逐渐减弱,至5d仍高于假手术组;高压氧暴露组凋亡细胞的数量相对较少,其变化规律与对照组相似,但是在同一时间点比较,均明显低于对照组。结论:高压氧可以抑制神经元凋亡,促进神经功能恢复。
出处 《黑龙江医药》 CAS 2011年第4期554-556,共3页 Heilongjiang Medicine journal
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