复方桂枝茯苓丸对脑缺血再灌注损伤大鼠tnf-α et的影响-effect of compound guizhi fuling pill on tnf - α et in rats with cerebral ischemia-reperfusion injury.docx
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复方桂枝茯苓丸对脑缺血再灌注损伤大鼠tnf-α et的影响-effect of compound guizhi fuling pill on tnf - α et in rats with cerebral ischemia-reperfusion injury
中文摘要
目的:
研究复方桂枝茯苓丸对脑缺血再灌注损伤大鼠模型肿瘤坏死因子(TNF-α)、内 皮素(ET)及血液流变红细胞聚集指数、高切变率(RAI、ηbH)的影响,探讨复方 桂枝茯苓丸治疗脑梗死的作用机理,为临床更好的应用该方提供一定的科学实验研究 依据。
方法:
成年健康(体重200±20g/只)SD大鼠40只,雌雄各半,适应性喂养7天,随机抽 取10只(雌5雄5)作为空白组(A)(假手术组),其余大鼠采用结扎双侧颈总动脉 法制备大鼠脑缺血再灌注损伤模型,于缺血45min后,分别再灌注,形成再灌注损伤。 造模后将剩余大鼠27只,随机分为三组,每组9只。模型对照组(B)、川芎嗪组(C)、 中药组(D)。空白组和模型对照组各给予生理盐水,治疗组给予相应药物灌胃,连 续14天。造模后开始灌胃大鼠,每天两次。灌胃第15天处死大鼠,心脏取血,用酶联 免疫的方法,观察各组大鼠TNF-α、ET表达及血液流变(RAI、ηbH)情况,并观察 脑组织病理学改变情况。实验结果用t检验。
结果:
复方桂枝茯苓丸能降低脑缺血再灌注大鼠TNF-α、ET及改善血液流变学红细胞聚 集指数、高切变率(RAI、ηbH),脑HE病理结果显示:川芎嗪组和中药组在治疗后尼 氏体减少较模型组轻。
结论:
(1)复方桂枝茯苓丸对大鼠脑缺血再灌注损伤有较好的治疗作用。
(2)复方桂枝茯苓丸治疗大鼠脑缺血再灌注损伤的作用机理之一是通过降低TNF-α,
ET和改善血液流变学三方面来实现的。
(3)复方桂枝茯苓丸通过某些途径能促进脑缺血区神经的修复,并阻止脑缺血再灌 注机体产生的炎症反应所致损害,对神经细胞有明显的保护作用。
关键词:脑缺血再灌注损伤;复方桂枝茯苓丸;TNF-α、ET
Compound GFW on t he Cer ebr al I schemi a and Reper f usi on i n Rat s TNF- α、 ET Exper i ment al St udy on t he Eff ect
Abst r act
Objective:
Compound GFW cerebral ischemia model of TNF-α, ET, and RAI, ηbH of, The treatment of side GFW mechanism of cerebral infarction,For clinical application of the party to better provide a scientific basis for experimental study.
Method:
Adult (body weight 200 ± 20g / pcs) 40 healthy SD rats were fed 7 days adaptation,Randomly selected 10 (5 male 5 female) As a control group (A) (sham group), The remaining rats with bilateral carotid artery ligation in rats prepared by cerebral ischemia-reperfusion model,After 45min of ischemia, Separately reperfusion,Form reperfusion injury, Build mode will surplus rats after 27 only, Randomly divided into three groups, Each group 9 only . Control
model group (B), ligustrazine group (C), Chinese traditional medicine group (D). Control group and model control group were given saline, Drug treatment group give correspo- nding stomach, filling for14day . Modeling in rats after gavage, twice a day. Modeling, rats were killed 15 days ,With the hear
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