Objective: to study the possible relationship between mitochondrial DNA point mutations and hereditary ataxia.

目的：探索线粒体dna点突变与遗传性共济失调的关系。

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Objective to study the possible relationship between mitochondrial DNA point mutations and hereditary ataxia (HA).

目的研究线粒体dna点突变与遗传性共济失调(HA)的关系。

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Objective To study the gene mutation and clinical characteristic of hereditary spinocerebellar ataxia type 7 (SCA7).

目的研究遗传性脊髓小脑性共济失调7型（SCA7）的基因突变和临床特征。

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Objective To study the gene mutation and clinical characteristic of hereditary spinocerebellar ataxia type 7 (SCA7).

目的研究遗传性脊髓小脑性共济失调7型（SCA7）的基因突变和临床特征。

youdao