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Large-scale screening of mtDNA A1555G mutation in China and its significance in prevention of aminoglycoside antibiotic induced deafness
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- Author:
- No author available
- Journal Title:
- NATIONAL MEDICAL JOURNAL OF CHINA
- Issue:
- 19
- DOI:
- 10.3760/j:issn:0376-2491.2006.19.006
- Key Word:
- 药物毒性;基因转变;DNA重组
Abstract： 目的探讨在高危人群和特定人群中进行线粒体DNAA1555G突变基因筛查在预防药物性耳聋中的必要性.方法应用自主研制的线粒体DNA A1555G突变检测试剂盒对来自全国不同省市的1836例散发的非综合征性耳聋患者进行线粒体DNAA1555G突变基因筛查,筛出阳性个体,进一步了解阳性病例所有母系家庭成员状况,绘制详细家庭系谱图,对母系成员中未发病者进行防聋宣教.结果1836例中,63例存在线粒体DNAA1555G突变,突变率3.43%;在63个母系遗传家系中,8例失随访,3例不愿提供家系资料;52个有完整随访资料的家系中,存活母系家庭成员737人,耳聋发病201人(含先证者),未发病536人.结论在高危人群和特定人群中进行线粒体DNAA1555G突变基因筛查发现氨基糖甙类抗生素致聋敏感个体,进而对其未发病母系家庭成员进行防聋宣教是预防药物性耳聋、减少药物性耳聋发生率的有效措施.
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