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异丙酚预处理对烫伤大鼠血浆肌钙蛋白I含量和心肌基质金属蛋白酶-2表达的影响 被引量:2

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摘要 目的:观察异丙酚对大鼠烫伤后肌钙蛋白I(cardiactoponinI,cTnI)和心肌组织基质金属蛋白酶(MMP-2)表达的影响。方法:成年雄性SD大鼠30只,随机分为3组:假烫伤组(S组,n=10只)、烫伤组(T组,n=10只)、异丙酚预处理组(P组,n=10只)。建立大鼠30%体表面Ⅲ度烫伤模型,烫伤后6h麻醉下迅速心内取血,观察血浆中cTnI含量;取左心室中性甲醛固定、脱水、石蜡包埋,观察心肌大体改变及心肌内MMP-2的表达量。结果:烫伤后6h大鼠血浆cTnI含量及心肌MMP-2表达明显增高,光镜下出现明显的心肌损害;而异丙酚预处理组烫伤后6h血浆cTnI含量及心肌MMP-2表达量明显少于烫伤组,两组比较差异有显著性(P<0.05),且心肌损害明显减弱。结论:异丙酚预处理明显降低烫伤大鼠血浆肌钙蛋白I和心肌组织MMP-2高表达,从而减弱了心肌损害。
出处 《实用医学杂志》 CAS 北大核心 2010年第20期3685-3687,共3页 The Journal of Practical Medicine
基金 广州市科技计划项目(编号:2008Z1-E421)
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参考文献5

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