Objective To investigate the features of somatic mutations and polymorphisms of mitochondrial D loop regions in breast cancer.

目的探讨乳腺癌的线粒体基因D环区的体细胞性突变和多态性变异特征。

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To arrive at these conclusions, researchers analyzed about 500,000 cancer mutation records from the Catalog of Somatic Mutations in cancer database and then divided the data into 45 tissue types.

为了得到这些结论，研究者在癌症数据库细胞突变分类中分析了大约50万条癌突变记录，并把这些数据分为45种组织类型。

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