冠心通络方对球囊损伤动脉粥样硬化兔主动脉NF-κB及其mRNA表达的干预作用The Experimental Study on the Effect of Guanxintongluo Decoction on the Expression of NF-κ B and the mRNA of AS Rabbits Damaged with Sacculus Proprius
张炜宁,张崇泉,黄旬,田雪飞,刘彗萍
摘要(Abstract):
目的观察球囊损伤后动脉粥样硬化兔主动脉NF-κB及其mRNA表达变化及冠心通络方对其表达水平的干预作用。方法60只实验兔随机分为治疗组、对照组、假手术组和阴性对照组,前三组动物高脂饲料喂养4个月;4个月后治疗组、对照组均采用球囊拉伤,假手术组仅予静脉切开但不行球囊拉伤术;治疗组在高脂饮食喂养同时给予冠心通络方喂食,对照组及假手术组予高脂饮食,治疗组行球囊损伤术后继续给药3d,给药完毕后处死动物,取胸主动脉组织固定后以备实验,检测NF-κB及其mRNA表达。结果球囊损伤动脉粥样硬化兔血管组织NF-κB及其mRNA呈上增性表达,冠心通络方能明显降低其表达水平。结论冠心通络方减轻血管内膜增生、防止血管再狭窄的内在机制可能在于抑制NF-κB活性,进而抑制血管平滑肌细胞增殖、血管内膜增生。
关键词(KeyWords): 冠心病;动脉粥样硬化;经皮冠状动脉成形术;核因子-κB;冠心通络方;兔
基金项目(Foundation): 广东省深圳市科技局科研课题(No.200404178)
作者(Author): 张炜宁,张崇泉,黄旬,田雪飞,刘彗萍
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