梗阻性黄疸大鼠肝细胞线粒体DNA片段缺失的定位研究

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目的 对梗组性黄疸大鼠线粒体DNA片段缺失进行定位研究,为进一步研究梗阻性黄疸大鼠线粒体功能及肝功能的变化情况打下基础.方法 48只健康wistar大鼠随机分为SHAM组(假手术组),BDO组(梗阻性黄疸组),利用大片段PCR结合ApaⅠ及SauⅠ限制性酶切分析及基因测序方法,对大鼠梗阻性黄疸mtDNA的片段缺失状况进行定位研究.结果 大鼠梗阻性黄疸肝细胞mtDNA的片段缺失位点位于4101~15 294之间.结论 大鼠梗阻性黄疸肝细胞mtDNA存在着4101~15 294碱基之间约11 194 bp的片段缺失.
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