目的:从核转录因子1κB、抑制因子κκB及其激酶(IκK/IκB/NF-κB)信号传导通路的角度,深入探讨深静脉血栓形成(DVT)的病理本质,并探讨中药干预DVT的作用靶点及干预环节,为DVT的防治提供新的思路。
方法:通过实验研究,以下腔静脉结扎法建立DVT大鼠模型,采用中药抵当汤为治疗组,穿王消炎片、复方丹参片和血栓模型组为对照组,并设假手术组。免疫组化及荧光定量PCR法观察大鼠血管内皮细胞及静脉壁中NF-κBP65、NF-KBP50、IκBa及其激酶IκKα(I kappa B kinase a)和IκKβ(I kappa B kinaseβ)的表达水平,探讨其变化规律,HE染色光镜观察下腔静脉病理形态学改变,扫描电镜及投射电镜观察静脉血管内皮细胞损伤程度。
结果:实验研究显示血栓模型组大鼠血管内皮细胞及静脉壁中NF-KBP65、NF-κBP50、IκKα、IκKβ的表达较假手术组明显增强,IκBa的表达较假手术组减弱,工腔静脉病理形态学改变较假手术组严重。抵当汤能通过阻断IκKα、IκKβ的活化,抑制IκBa磷酸化及降解,从而降低NF-KBP65、NF-KBP50在血管内皮细胞中及血管...
【英文摘要】
Objective:To investigate the pathogenesis of deep venous thrombosis(DVT) from the Signal transduction of Nuclear factor kappaB/Inhibitory kappaB/Inhibitory kappaB kinases (IκK/IκB/NF-κB), and interventional mechanism of Chinese Herbs on DVT, in order to provide new idea for prevention and cure of DVT.
Methods:In the experiment, uses the vena cava inferior ligation law to establish the deep phlebothrombosis big mouse model.Wistar rats were divided into five groups which included Di Dang Tang group, Chuan...