{"title":"Spinocerebellar Ataxia Type 2: A Review and Personal Perspective.","authors":"Stefan M Pulst","doi":"10.1212/NXG.0000000000200225","DOIUrl":null,"url":null,"abstract":"<p><p>Spinocerebellar ataxias (SCAs) are dominantly inherited diseases that lead to neurodegeneration in the cerebellum and other parts of the nervous system. This review examines the progress that has been made in SCA2 from its initial clinical description to discovery of DNA CAG-repeat expansions in the <i>ATXN2</i> gene. <i>ATXN2</i> repeat alleles cover the range from recessive and dominant mendelian alleles to risk alleles for amyotrophic lateral sclerosis. We review studies aimed at defining the normal function of ATXN2 and mutant ATXN2 using cellular and mouse models. Progress in testing small compounds and antisense oligonucleotides in preclinical studies is described as well including our recent focus on staufen-1 (STAU1) and mRNA metabolism and control of autophagy.</p>","PeriodicalId":48613,"journal":{"name":"Neurology-Genetics","volume":"11 1","pages":"e200225"},"PeriodicalIF":3.0000,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11772019/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Neurology-Genetics","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1212/NXG.0000000000200225","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/2/1 0:00:00","PubModel":"eCollection","JCR":"Q2","JCRName":"CLINICAL NEUROLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Spinocerebellar ataxias (SCAs) are dominantly inherited diseases that lead to neurodegeneration in the cerebellum and other parts of the nervous system. This review examines the progress that has been made in SCA2 from its initial clinical description to discovery of DNA CAG-repeat expansions in the ATXN2 gene. ATXN2 repeat alleles cover the range from recessive and dominant mendelian alleles to risk alleles for amyotrophic lateral sclerosis. We review studies aimed at defining the normal function of ATXN2 and mutant ATXN2 using cellular and mouse models. Progress in testing small compounds and antisense oligonucleotides in preclinical studies is described as well including our recent focus on staufen-1 (STAU1) and mRNA metabolism and control of autophagy.
期刊介绍：
Neurology: Genetics is an online open access journal publishing peer-reviewed reports in the field of neurogenetics. Original articles in all areas of neurogenetics will be published including rare and common genetic variation, genotype-phenotype correlations, outlier phenotypes as a result of mutations in known disease-genes, and genetic variations with a putative link to diseases. This will include studies reporting on genetic disease risk and pharmacogenomics. In addition, Neurology: Genetics will publish results of gene-based clinical trials (viral, ASO, etc.). Genetically engineered model systems are not a primary focus of Neurology: Genetics, but studies using model systems for treatment trials are welcome, including well-powered studies reporting negative results.
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