芪桂益脉灵及其不同配伍对大鼠心肌缺血再灌注NF-κB及TNF-α的影响

被引:0
作者
金国强
机构
[1] 黑龙江中医药大学
关键词
芪桂益脉灵; 心肌缺血再灌注损伤; 肿瘤坏死因子α; 核因子-κB;
D O I
暂无
年度学位
2012
学位类型
硕士
导师
摘要
目的 通过观察芪桂益脉灵及其不同配伍对大鼠心肌缺血-再灌注核因子-κB表达和肿瘤坏死因子-a含量的影响,探讨芪桂益脉灵及其不同配伍对大鼠心肌缺血-再灌注损伤的疗效及作用机制。 方法 本实验将入选的Wistar大鼠110只,随机分成假手术组、心肌缺血-再灌注模型组、芪桂益脉灵组、黄芪组、桂枝组、三七组、苦参组、黄芪+桂枝组、黄芪+桂枝+三七组、黄芪+桂枝+三七+苦参组、桂枝+三七组共11组,每组10只。除假手术组只穿线不结扎,其余各组可逆性冠脉左前降支结扎,缺血30min再灌注2h复制MI/R模型。取结扎线以下部分心肌组织备用,腹主动脉采血,放免法检测血清TNF-α含量,免疫组化法测定心肌组织中核因子-κB的表达。 结果 1TNF-α含量与假手术组相比,缺血再灌注模型组、芪桂益脉灵组以及各配伍组肿瘤坏死因子a含量显著增加(P<0.01),有统计学意义。与缺血再灌注模型组相比,芪桂益脉灵组、三七组、黄芪+桂枝+三七组、黄芪+桂枝+三七+苦参、桂枝+三七组肿瘤坏死因子a含量降低(P<0.05),有统计学意义。与芪桂益脉灵组相比,黄芪组、桂枝组、三七组、苦参组、黄芪+桂枝组、桂枝+三七组、黄芪+桂枝+三七组、黄芪+桂枝+三七+苦参,血清中肿瘤坏死因子a含量增加(P<0.05),有统计学意义。 2NF-κB表达与假手术组相比较,缺血再灌注模型组和芪桂益脉灵组及各配伍组心肌细胞核因子—κB的表达显著增加(P<0.01);与缺血再灌注模型组相比较,芪桂益脉灵组、黄芪组、桂枝组、黄芪+桂枝+三七组、黄芪+桂枝+三七+苦参组心肌细胞核因子—κB的表达减少(P<0.05),有统计学意义;与芪桂益脉灵组相比较,黄芪组、桂枝组、三七组、苦参组、黄芪+桂枝组、黄芪+桂枝+三七组、桂枝+三七组、黄芪+桂枝+三七+苦参组心肌细胞核因子—κB的表达增加(P<0.05),有统计学意义。 结论 1芪桂益脉灵可以降低大鼠血清中肿瘤坏死因子含量,减轻心肌缺血再灌注损伤,其疗效优于各配伍组。 2芪桂益脉灵可以抑制大鼠心肌细胞核因子—κB的表达,减轻心肌缺血再灌注损伤,其疗效优于各配伍组。
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页数:46
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