参松养心胶囊对兔心肌梗死后神经重构的影响

被引:28
作者
蒋小波
黄从新
黄鹤
王晞
熊亮
党松
机构
[1] 武汉大学人民医院心内科
关键词
心血管病学; 神经重构; 参松养心胶囊; 心肌梗死;
D O I
暂无
中图分类号
R542.22 [];
学科分类号
摘要
目的探讨参松养心胶囊对心肌梗死(简称心梗)后神经重构的影响。方法新西兰大耳白兔行冠状动脉结扎术后随机分为心梗组、心梗+参松组(每公斤体重每天0.4 g)。假手术组开胸后在冠状动脉下穿线,但不结扎。术后8周,处死动物,从家兔梗死周边区及非梗死区取材。免疫组化研究生长相关蛋白(GAP43)及酪氨酸羟化酶(TH)阳性纤维的密度。逆转录聚合酶链式反映研究核因子(NF-κB)、内皮素-1(ET-1)、神经生长因子(NGF)、白细胞介-1β(IL-1β)、肿瘤坏死因子-α(TNF-α)及神经营养素受体P75(p75-NTR)mRNA的相对表达量。结果与假手术组(n=10)相比,心梗组(n=8)神经纤维密度显著增加,NF-κB、ET-1、NGF、IL-1β、TNF-α及p75-NTR的mRNA表达显著升高(P<0.05)。与心梗组相比,心梗+参松组(n=9)神经纤维密度减少,NF-κB、ET-1、NGF、IL-1β、TNF-α及p75-NTR mRNA的表达降低(P<0.05)。结论参松养心胶囊可以降低心梗后的神经密度,其作用机制可能与抑制炎症因子及NGF信号途径相关。
引用
收藏
页码:59 / 62
页数:4
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