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1·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。

2·Objective to study the role of cell apoptosis in the molecular pathogenesis of spinocerebellar ataxia type 3 (SCA3).

目的研究细胞凋亡在脊髓小脑性共济失调3型(SCA3)分子发病机制中的作用。

3·Objective To analyze the role and location of ubiquitin-dependent proteolysis pathway (UPP) in PC12 cells transfected by plasmids with spinocerebellar ataxia type 3 (SCA3) gene.

目的分析泛素依赖的蛋白水解通路(UPP)在转染了脊髓小脑性共济失调3型(SCA3)基因的PC 12细胞中的定位及作用。

4·The history of the research of cerebellar ataxia, and the different classifications of ataxia were reviewed. The pathogenesis and treatments of spinocerebellar ataxia were summarizd.

回顾小脑性共济失调的研究历史、分类，介绍脊髓小脑共济失调的病因机制和治疗方法。