线粒体dna中d-loop区突变在非小细胞肺癌中的意义
Keywords: 线粒体dna,d-loop区,突变,肺癌
Abstract:
?目的:探讨线粒体dna中d-loop区突变在非小细胞肺癌中的意义及其临床应用的可能性。方法:提取20例非小细胞肺癌患者的癌组织及癌旁组织细胞的线粒体dna(mtdna),pcr扩增d-loop区并进行测序,然后以人类基因组中的d-loop区序列为对照,分析基因突变。结果:20例非小细胞肺癌患者的癌组织及癌旁组织mtdna的d-loop区均发生突变,总突变数265个,其中癌组织特异性突变69个,癌旁组织特异性突变96个,共同突变50个,突变主要集中于d-loop的hvrii区。结论:线粒体dna中d-loop区的突变主要集中于hvrii区,在非小细胞肺癌的发生发展中可能有重要作用。
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