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心脑舒通胶囊对局灶性脑缺血再灌注大鼠皮层VEGF、VEGFR2 mRNA表达的影响 被引量:5

Effect of Xinnaoshutong capsule on mRNA expression of VEGF and VEGFR2 of cerebral cortex after acute cerebral ischemia-reperfusion in rats
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摘要 目的:探讨心脑舒通胶囊对局灶性脑缺血再灌注大鼠皮层血管新生的影响。方法:采用线栓法制备大鼠局灶性脑缺血再灌注模型(n=9),于缺血1.5h分别再灌注3h、6h、12h、24h、72h5个时点,用RT-PCR方法,动态观察缺血再灌注皮层VEGF及其VEGFR2 mRNA表达;并选取脑缺血1.5h再灌注24h,选用心脑舒通胶囊进行提前3d给药干预,观察其对皮层超微结构相应病理改变和VEGF、VEGFR2 mRNA表达的影响。结果:脑缺血再灌注各时点大鼠皮层VEGF、VEGFR2 mRNA表达呈明显上升趋势,并均于再灌注24h升至高峰(P<0.01);同时发现在该时点进行药物干预,心脑舒通胶囊可明显改善神经细胞、微血管损伤程度,明显下调VEGFR2 mRNA过高表达。结论:心脑舒通胶囊可有效调控急性脑缺血再灌注病理过程中的血管新生,对急性脑缺血再灌注病理损伤的修复具有一定的积极意义,这可能与参与抑制血脑屏障通透性的增加及脑水肿的形成有关。
出处 《中国病理生理杂志》 CAS CSCD 北大核心 2010年第3期587-589,592,共4页 Chinese Journal of Pathophysiology
基金 国家重点基础研究发展计划(973计划)(No.2006CB504805) 教育部新世纪优秀人才支持计划资助项目(No.NCET-05-0139) 2005年教育部科学技术重点资助项目
关键词 心脑舒通胶囊 脑缺血 再灌注 血管内皮生长因子 Xinnaoshutong capsule Brain ischemia Reperfusion Vascular endothelial growth factors
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参考文献7

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共引文献10

同被引文献56

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