Movement Disorders (revue)

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Developments in the molecular biology of DYT1 dystonia

Identifieur interne : 001000 ( Istex/Corpus ); précédent : 000F99; suivant : 001001

Developments in the molecular biology of DYT1 dystonia

Auteurs : Ruth H. Walker ; P. Shashidharan

Source :

RBID : ISTEX:0BFF36AEDD1B45B87E73FD3B836C2159FF006594

English descriptors

Abstract

The identification of a mutation of the DYT1 gene as a cause of inherited dystonia has led to many insights regarding the genetics of this disorder. In addition, there is a rapidly expanding list of inherited dystonia syndromes, the genes for some of which have been identified or localized. The DYT1 mutation has been found in a variety of ethnic groups, and it may result in a range of phenotypes. To date, studies of torsinA, the protein product of the DYT1 gene, have not revealed its function, although its widespread distribution throughout the central nervous system suggests a universal role. TorsinA has structural homology to heat shock and chaperone proteins. Evidence from studies in cell cultures and Caenorhabditis elegans, and the presence of torsinA in inclusion bodies in several neurodegenerative diseases may be indicative of a function of this nature. Preliminary studies in humans with DYT1 dystonia and in DYT1 transgenic mice suggest disruption of the dopaminergic nigrostriatal system. A functional interference with neuronal signal processing induced by mutation of torsinA is consistent with current hypotheses regarding impairment of the center‐surround mechanism in the striatum. © 2003 Movement Disorder Society

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DOI: 10.1002/mds.10549

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ISTEX:0BFF36AEDD1B45B87E73FD3B836C2159FF006594

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<abstract lang="en">The identification of a mutation of the DYT1 gene as a cause of inherited dystonia has led to many insights regarding the genetics of this disorder. In addition, there is a rapidly expanding list of inherited dystonia syndromes, the genes for some of which have been identified or localized. The DYT1 mutation has been found in a variety of ethnic groups, and it may result in a range of phenotypes. To date, studies of torsinA, the protein product of the DYT1 gene, have not revealed its function, although its widespread distribution throughout the central nervous system suggests a universal role. TorsinA has structural homology to heat shock and chaperone proteins. Evidence from studies in cell cultures and Caenorhabditis elegans, and the presence of torsinA in inclusion bodies in several neurodegenerative diseases may be indicative of a function of this nature. Preliminary studies in humans with DYT1 dystonia and in DYT1 transgenic mice suggest disruption of the dopaminergic nigrostriatal system. A functional interference with neuronal signal processing induced by mutation of torsinA is consistent with current hypotheses regarding impairment of the center‐surround mechanism in the striatum. © 2003 Movement Disorder Society</abstract>
<note type="funding">Bachmann‐Strauss Dystonia and Parkinson Foundation, Inc.</note>
<note type="funding">National Institutes of Health - No. NS43038; </note>
<subject lang="en">
<genre>Keywords</genre>
<topic>DYT1 gene</topic>
<topic>dystonia</topic>
<topic>torsinA</topic>
<topic>penetrance</topic>
<topic>GAG deletion</topic>
<topic>basal ganglia</topic>
</subject>
<relatedItem type="host">
<titleInfo>
<title>Movement Disorders</title>
</titleInfo>
<titleInfo type="abbreviated">
<title>Mov. Disord.</title>
</titleInfo>
<subject>
<genre>article category</genre>
<topic>Research Review</topic>
</subject>
<identifier type="ISSN">0885-3185</identifier>
<identifier type="eISSN">1531-8257</identifier>
<identifier type="DOI">10.1002/(ISSN)1531-8257</identifier>
<identifier type="PublisherID">MDS</identifier>
<part>
<date>2003</date>
<detail type="volume">
<caption>vol.</caption>
<number>18</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>10</number>
</detail>
<extent unit="pages">
<start>1102</start>
<end>1107</end>
<total>6</total>
</extent>
</part>
</relatedItem>
<identifier type="istex">0BFF36AEDD1B45B87E73FD3B836C2159FF006594</identifier>
<identifier type="DOI">10.1002/mds.10549</identifier>
<identifier type="ArticleID">MDS10549</identifier>
<accessCondition type="use and reproduction" contentType="copyright">Copyright © 2003 Movement Disorder Society</accessCondition>
<recordInfo>
<recordOrigin>Wiley Subscription Services, Inc., A Wiley Company</recordOrigin>
<recordContentSource>WILEY</recordContentSource>
</recordInfo>
</mods>
</metadata>
<serie></serie>
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