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Subnuclear re-localization of SOX10 and p54NRB correlates with a unique neurological phenotype associated with SOX10 missense mutations.

Identifieur interne : 002900 ( PubMed/Curation ); précédent : 002899; suivant : 002901

Subnuclear re-localization of SOX10 and p54NRB correlates with a unique neurological phenotype associated with SOX10 missense mutations.

Auteurs : Asma Chaoui [France] ; Anthula Kavo [France] ; Viviane Baral [France] ; Yuli Watanabe [France] ; Laure Lecerf [France] ; Alison Colley ; Roberto Mendoza-Londono [Canada] ; Veronique Pingault [France] ; Nadege Bondurand [France]

Source :

RBID : pubmed:26060192

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Abstract

SOX10 is a transcription factor with well-known functions in neural crest and oligodendrocyte development. Mutations in SOX10 were first associated with Waardenburg-Hirschsprung disease (WS4; deafness, pigmentation defects and intestinal aganglionosis). However, variable phenotypes that extend beyond the WS4 definition are now reported. The neurological phenotypes associated with some truncating mutations are suggested to be the result of escape from the nonsense-mediated mRNA decay pathway; but, to date, no mechanism has been suggested for missense mutations, of which approximately 20 have now been reported, with about half of the latter shown to be redistributed to nuclear bodies of undetermined nature and function in vitro. Here, we report that p54NRB, which plays a crucial role in the regulation of gene expression during many cellular processes including differentiation, interacts synergistically with SOX10 to regulate several target genes. Interestingly, this paraspeckle protein, as well as two other members of the Drosophila behavior human splicing (DBHS) protein family, co-localize with SOX10 mutants in nuclear bodies, suggesting the possible paraspeckle nature of these foci or re-localization of the DBHS members to other subnuclear compartments. Remarkably, the co-transfection of wild-type and mutant SOX10 constructs led to the sequestration of wild-type protein in mutant-induced foci. In contrast to mutants presenting with additional cytoplasmic re-localization, those exclusively found in the nucleus alter synergistic activity between SOX10 and p54NRB. We propose that such a dominant negative effect may contribute to or be at the origin of the unique progressive and severe neurological phenotype observed in affected patients.

DOI: 10.1093/hmg/ddv215
PubMed: 26060192

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Alison Colley
<affiliation>
<nlm:affiliation>Department of Clinical Genetics, Liverpool Hospital, Australia and.</nlm:affiliation>
<wicri:noCountry code="subField">Australia and</wicri:noCountry>
</affiliation>

Le document en format XML

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<term>Gene Expression</term>
<term>Genetic Association Studies</term>
<term>Humans</term>
<term>Melanoma (genetics)</term>
<term>Melanoma (metabolism)</term>
<term>Mutation, Missense</term>
<term>Nuclear Matrix-Associated Proteins (genetics)</term>
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<term>Protein Binding</term>
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<term>Expression des gènes</term>
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<term>Facteurs de transcription SOX-E (métabolisme)</term>
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<term>Protéines associées à la matrice nucléaire (métabolisme)</term>
<term>Protéines de liaison à l'ARN (génétique)</term>
<term>Protéines de liaison à l'ARN (métabolisme)</term>
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<term>Facteurs de transcription Oct</term>
<term>Facteurs de transcription SOX-E</term>
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<term>Syndrome de Waardenburg</term>
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<term>Cell Nucleus</term>
<term>Melanoma</term>
<term>Nuclear Matrix-Associated Proteins</term>
<term>Octamer Transcription Factors</term>
<term>RNA-Binding Proteins</term>
<term>SOXE Transcription Factors</term>
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<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr">
<term>Facteurs de transcription Oct</term>
<term>Facteurs de transcription SOX-E</term>
<term>Mélanome</term>
<term>Noyau de la cellule</term>
<term>Protéines associées à la matrice nucléaire</term>
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<term>Syndrome de Waardenburg</term>
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<term>Cell Line</term>
<term>Gene Expression</term>
<term>Genetic Association Studies</term>
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<div type="abstract" xml:lang="en">SOX10 is a transcription factor with well-known functions in neural crest and oligodendrocyte development. Mutations in SOX10 were first associated with Waardenburg-Hirschsprung disease (WS4; deafness, pigmentation defects and intestinal aganglionosis). However, variable phenotypes that extend beyond the WS4 definition are now reported. The neurological phenotypes associated with some truncating mutations are suggested to be the result of escape from the nonsense-mediated mRNA decay pathway; but, to date, no mechanism has been suggested for missense mutations, of which approximately 20 have now been reported, with about half of the latter shown to be redistributed to nuclear bodies of undetermined nature and function in vitro. Here, we report that p54NRB, which plays a crucial role in the regulation of gene expression during many cellular processes including differentiation, interacts synergistically with SOX10 to regulate several target genes. Interestingly, this paraspeckle protein, as well as two other members of the Drosophila behavior human splicing (DBHS) protein family, co-localize with SOX10 mutants in nuclear bodies, suggesting the possible paraspeckle nature of these foci or re-localization of the DBHS members to other subnuclear compartments. Remarkably, the co-transfection of wild-type and mutant SOX10 constructs led to the sequestration of wild-type protein in mutant-induced foci. In contrast to mutants presenting with additional cytoplasmic re-localization, those exclusively found in the nucleus alter synergistic activity between SOX10 and p54NRB. We propose that such a dominant negative effect may contribute to or be at the origin of the unique progressive and severe neurological phenotype observed in affected patients.</div>
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<ELocationID EIdType="doi" ValidYN="Y">10.1093/hmg/ddv215</ELocationID>
<Abstract>
<AbstractText>SOX10 is a transcription factor with well-known functions in neural crest and oligodendrocyte development. Mutations in SOX10 were first associated with Waardenburg-Hirschsprung disease (WS4; deafness, pigmentation defects and intestinal aganglionosis). However, variable phenotypes that extend beyond the WS4 definition are now reported. The neurological phenotypes associated with some truncating mutations are suggested to be the result of escape from the nonsense-mediated mRNA decay pathway; but, to date, no mechanism has been suggested for missense mutations, of which approximately 20 have now been reported, with about half of the latter shown to be redistributed to nuclear bodies of undetermined nature and function in vitro. Here, we report that p54NRB, which plays a crucial role in the regulation of gene expression during many cellular processes including differentiation, interacts synergistically with SOX10 to regulate several target genes. Interestingly, this paraspeckle protein, as well as two other members of the Drosophila behavior human splicing (DBHS) protein family, co-localize with SOX10 mutants in nuclear bodies, suggesting the possible paraspeckle nature of these foci or re-localization of the DBHS members to other subnuclear compartments. Remarkably, the co-transfection of wild-type and mutant SOX10 constructs led to the sequestration of wild-type protein in mutant-induced foci. In contrast to mutants presenting with additional cytoplasmic re-localization, those exclusively found in the nucleus alter synergistic activity between SOX10 and p54NRB. We propose that such a dominant negative effect may contribute to or be at the origin of the unique progressive and severe neurological phenotype observed in affected patients.</AbstractText>
<CopyrightInformation>© The Author 2015. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Chaoui</LastName>
<ForeName>Asma</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>INSERM, U955, Equipe 6, 51 Avenue du Maréchal de Lattre de Tassigny, F-94000 Créteil, France, Université Paris-Est, UPEC, F-94000 Créteil, France, DHU Ageing-Thorax-Vessel-Blood, F-94000 Créteil, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Kavo</LastName>
<ForeName>Anthula</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>INSERM, U955, Equipe 6, 51 Avenue du Maréchal de Lattre de Tassigny, F-94000 Créteil, France, Université Paris-Est, UPEC, F-94000 Créteil, France, DHU Ageing-Thorax-Vessel-Blood, F-94000 Créteil, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Baral</LastName>
<ForeName>Viviane</ForeName>
<Initials>V</Initials>
<AffiliationInfo>
<Affiliation>INSERM, U955, Equipe 6, 51 Avenue du Maréchal de Lattre de Tassigny, F-94000 Créteil, France, Université Paris-Est, UPEC, F-94000 Créteil, France, DHU Ageing-Thorax-Vessel-Blood, F-94000 Créteil, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Watanabe</LastName>
<ForeName>Yuli</ForeName>
<Initials>Y</Initials>
<AffiliationInfo>
<Affiliation>INSERM, U955, Equipe 6, 51 Avenue du Maréchal de Lattre de Tassigny, F-94000 Créteil, France, Université Paris-Est, UPEC, F-94000 Créteil, France, DHU Ageing-Thorax-Vessel-Blood, F-94000 Créteil, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Lecerf</LastName>
<ForeName>Laure</ForeName>
<Initials>L</Initials>
<AffiliationInfo>
<Affiliation>INSERM, U955, Equipe 6, 51 Avenue du Maréchal de Lattre de Tassigny, F-94000 Créteil, France, Université Paris-Est, UPEC, F-94000 Créteil, France, DHU Ageing-Thorax-Vessel-Blood, F-94000 Créteil, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Colley</LastName>
<ForeName>Alison</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>Department of Clinical Genetics, Liverpool Hospital, Australia and.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Mendoza-Londono</LastName>
<ForeName>Roberto</ForeName>
<Initials>R</Initials>
<AffiliationInfo>
<Affiliation>Division of Clinical and Metabolic Genetics, The Hospital for Sick Children and University of Toronto, Toronto, Canada.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Pingault</LastName>
<ForeName>Veronique</ForeName>
<Initials>V</Initials>
<AffiliationInfo>
<Affiliation>INSERM, U955, Equipe 6, 51 Avenue du Maréchal de Lattre de Tassigny, F-94000 Créteil, France, Université Paris-Est, UPEC, F-94000 Créteil, France, DHU Ageing-Thorax-Vessel-Blood, F-94000 Créteil, France.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Bondurand</LastName>
<ForeName>Nadege</ForeName>
<Initials>N</Initials>
<AffiliationInfo>
<Affiliation>INSERM, U955, Equipe 6, 51 Avenue du Maréchal de Lattre de Tassigny, F-94000 Créteil, France, Université Paris-Est, UPEC, F-94000 Créteil, France, DHU Ageing-Thorax-Vessel-Blood, F-94000 Créteil, France, nadege.bondurand@inserm.fr.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<PublicationTypeList>
<PublicationType UI="D016428">Journal Article</PublicationType>
<PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2015</Year>
<Month>06</Month>
<Day>09</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo>
<Country>England</Country>
<MedlineTA>Hum Mol Genet</MedlineTA>
<NlmUniqueID>9208958</NlmUniqueID>
<ISSNLinking>0964-6906</ISSNLinking>
</MedlineJournalInfo>
<ChemicalList>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="C083214">NONO protein, human</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D034521">Nuclear Matrix-Associated Proteins</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D050810">Octamer Transcription Factors</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D016601">RNA-Binding Proteins</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="C527923">SOX10 protein, human</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D055757">SOXE Transcription Factors</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>IM</CitationSubset>
<MeshHeadingList>
<MeshHeading>
<DescriptorName UI="D002460" MajorTopicYN="N">Cell Line</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D002467" MajorTopicYN="N">Cell Nucleus</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D015870" MajorTopicYN="N">Gene Expression</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D056726" MajorTopicYN="Y">Genetic Association Studies</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D008545" MajorTopicYN="N">Melanoma</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D020125" MajorTopicYN="Y">Mutation, Missense</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D034521" MajorTopicYN="N">Nuclear Matrix-Associated Proteins</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D050810" MajorTopicYN="N">Octamer Transcription Factors</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D010641" MajorTopicYN="Y">Phenotype</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D011485" MajorTopicYN="N">Protein Binding</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D021381" MajorTopicYN="N">Protein Transport</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D016601" MajorTopicYN="N">RNA-Binding Proteins</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D055757" MajorTopicYN="N">SOXE Transcription Factors</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D014849" MajorTopicYN="N">Waardenburg Syndrome</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
</MeshHeadingList>
</MedlineCitation>
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<Year>2015</Year>
<Month>04</Month>
<Day>30</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted">
<Year>2015</Year>
<Month>06</Month>
<Day>04</Day>
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<Year>2015</Year>
<Month>6</Month>
<Day>11</Day>
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<Year>2016</Year>
<Month>5</Month>
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