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吡咯烷二硫代氨基甲酸酯预防大鼠脑血管痉挛的实验研究 被引量:1

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摘要 目的 探讨核转录因子κB(NF κB)活性抑制剂吡咯烷二硫代氨基甲酸酯 (PDTC)对大鼠脑血管痉挛预防作用。方法 应用NF κB活性抑制剂PDTC行脑池内注射 ,对 12只蛛网膜下腔出血 (SAH)后脑血管痉挛 (CVS)的大鼠进行处理 ,同时 ,以相同数量的正常大鼠、单纯SAH大鼠和用PBS缓冲液替代PDTC进行处理的大鼠作为对照。结果 PDTC能明显抑制SAH后第 3天大鼠基底动脉血管痉挛的程度 ,其血管腔周径为正常时的 81 3 %± 10 9% ,与注血前相比 ,大鼠的脑血流下降了 10 %± 11% ;而未经处理和用PBS缓冲液对照处理的大鼠基底动脉管腔周径分别为正常时的 49 7%± 7 5 %和 48 6%± 7 8% ,其脑血流分别下降了 3 7%± 9%和3 8%± 11%。进一步检测基底动脉壁细胞间粘附分子 1(ICAM 1)的表达发现 ,PDTC可直接抑制ICAM 1在血管壁的表达。结论 血管的炎症反应是参与SAH后CVS形成和发展的重要因素 ,抑制NF κB的活化代表了一种新的治疗急性炎症的模式 。
出处 《中国神经精神疾病杂志》 CAS CSCD 北大核心 2004年第4期298-299,U009,共3页 Chinese Journal of Nervous and Mental Diseases
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