天然与重组水蛭素对大鼠随意皮瓣淤血模型超氧化物歧化酶、丙二醛、内皮素变化的影响

被引:10
作者
郭应信
殷国前
李佳荃
机构
[1] 广西医科大学第一附属医院整形美容外科
关键词
天然水蛭素; 重组水蛭素; 超氧化物歧化酶; 丙二醛; 内皮素;
D O I
暂无
中图分类号
R285.5 [中药实验药理];
学科分类号
1008 ;
摘要
背景:一般认为天然水蛭素能够提高淤血皮瓣的成活率与其抗血栓、抗凝血酶有关,但其抗炎、抗氧化作用的具体机制尚不清晰。重组水蛭素效果与天然水蛭素的差异也未有深入研究。目的:探索天然、重组水蛭素对大鼠随意皮瓣淤血模型存活保护机制。方法:Wistar大鼠30只,背部设计随意皮瓣10cm×3cm制成淤血模型。皮瓣随机分为天然水蛭素组、重组水蛭素组和对照组,均于术后即刻、第3,5天注射在距皮瓣末端1.5cm和3.0cm处分别注射5U天然水蛭素、5U重组水蛭素和相同剂量生理盐水。观察术后第7天的皮瓣成活率、皮瓣组织细胞形态学改变以及超氧化物歧化酶、丙二醛、内皮素水平。结果与结论:与对照组相比,天然、重组水蛭素组皮瓣成活率高,皮瓣超氧化物歧化酶水平明显增多,内皮素、丙二醛水平减少。且天然水蛭素效果优于重组水蛭素。说明水蛭素能够提高随意皮瓣的成活率、超氧化物歧化酶的含量;减低皮瓣的坏死率、丙二醛、内皮素的含量。
引用
收藏
页码:4453 / 4456
页数:4
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