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Effects of Silkworm Arisaema decoction on the expression of Matrix Metalloproteinase 2 in rats with acute ischemic brain edema
Author(s): HUANG Xiaosong, LUO Yinli, YU Chunyan, TAN Lihong, YI Yanhui
Pages: 1711-
1713
Year: 2016
Issue:
16
Journal: Modern Journal of Integrated Traditional Chinese and Western Medicine
Keyword: Silkworm Arisaema Decoction; cerebral ischemia reperfusion; brain edema; MMP-2;
Abstract: 目的 探讨僵蚕天南星方对大鼠急性缺血性脑水肿基质金属蛋白酶2(MMP-2)表达的影响及其作用机制.方法 将SD雄性大鼠随机分为假手术组、模型组、僵蚕天南星方组,除假手术组外,其他2组采用线栓法制备大脑中动脉缺血再灌注模型,采用免疫组织化学法、RT-PCR法观察各组大鼠缺血2h再灌注24 h、48 h、72 h、96 h大脑皮质中MMP-2的表达情况.结果 模型组及僵蚕天南星方组再灌注各时间点MMP-2阳性细胞数明显多于假手术组(P均<0.05),僵蚕天南星方组再灌注各时间点MMP-2阳性细胞数明显少于模型组(P均<0.05);模型组再灌注各时间点MMP-2mRNA表达量均明显高于假手术组(P均<0.05),僵蚕天南星方组再灌注各时间点MMP-2mRNA表达量明显低于模型组(P均<0.05).结论 僵蚕天南星方可能通过抑制MMP-2的表达而减轻脑水肿,改善大鼠缺血性脑损伤.
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