黄芪甲苷对异丙肾上腺素诱导心肌梗死保护作用

被引:9
作者
李真真 [1 ]
徐志懿 [1 ]
关新强 [1 ]
曹烨 [1 ]
王德贵 [2 ]
杨堃 [1 ]
赵艳 [3 ]
高秉仁 [1 ]
机构
[1] 兰州大学第二临床医学院心脏外科
[2] 兰州大学基础医学院
[3] 兰州大学第二临床医学院呼吸内科
关键词
黄芪甲苷; 异丙肾上腺素; 心肌梗死; 心肌保护;
D O I
10.19405/j.cnki.issn1000-1492.2013.03.017
中图分类号
R285.5 [中药实验药理];
学科分类号
1008 ;
摘要
目的研究黄芪甲苷(ASTⅣ)对大剂量异丙肾上腺素(ISO)诱导的大鼠心肌梗死的保护作用。方法皮下注射大剂量ISO建立大鼠心肌梗死动物模型,以心电图ST段抬高值作为心肌缺血指标。行心导管检查,观察不同剂量ASTⅣ对大鼠血流动力学指标的影响;测定血清乳酸脱氢酶(LDH)、肌酸激酶同工酶(CK-MB)含量,心肌组织超氧化物歧化酶(SOD)和丙二醛(MDA)水平;并且观察心肌组织形态学改变。结果与模型组比较,不同剂量ASTⅣ均能明显改善大鼠心肌梗死血流动力学指标(P<0.05,P<0.01),降低血清LDH、CK-MB含量(P<0.01),提高心肌组织中SOD活性(P<0.05,P<0.01),并可减少MDA生成(P<0.01),减轻心肌细胞的病理形态学改变。结论 ASTⅣ对ISO诱导的大鼠心肌梗死有保护作用,其机制可能与抗氧化反应有关。
引用
收藏
页码:275 / 278
页数:4
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