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ARX, a novel Prd-class-homeobox gene highly expressed in the telencephalon, is mutated in X-linked mental retardation

Identifieur interne : 00B446 ( Main/Exploration ); précédent : 00B445; suivant : 00B447

ARX, a novel Prd-class-homeobox gene highly expressed in the telencephalon, is mutated in X-linked mental retardation

Auteurs : Thierry Bienvenu [France] ; Karine Poirier [France] ; Gaelle Friocourt [France] ; Nadia Bahi [France] ; Delphine Beaumont [France] ; Fabien Fauchereau [France] ; Lamia Ben Jeema [Tunisie] ; Ramzi Zemni [France] ; Marie-Claude Vinet [France] ; Fiona Francis [France] ; Philippe Couvert [France] ; Marie Gomot [France] ; Claude Moraine [France] ; Hans Van Bokhoven [Pays-Bas] ; Vera Kalscheuer [Allemagne] ; Suzanne Frints [Belgique] ; Josef Gecz [Australie] ; Kanae Ohzaki [Japon] ; Habiba Chaabouni [Tunisie] ; Jean-Pierre Fryns [Belgique] ; Vincent Desportes [France] ; Cherif Beldjord [France] ; Jamel Chelly [France]

Source :

RBID : ISTEX:1EB478F2230F6E5C7810AD20CDB072F793411A8B

Descripteurs français

English descriptors

Abstract

Investigation of a critical region for an X-linked mental retardation (XLMR) locus led us to identify a novel Aristaless related homeobox gene (ARX ). Inherited and de novo ARX mutations, including missense mutations and in frame duplications/insertions leading to expansions of polyalanine tracts in ARX, were found in nine familial and one sporadic case of MR. In contrast to other genes involved in XLMR, ARX expression is specific to the telencephalon and ventral thalamus. Notably there is an absence of expression in the cerebellum throughout development and also in adult. The absence of detectable brain malformations in patients suggests that ARX may have an essential role, in mature neurons, required for the development of cognitive abilities.

Url:
DOI: 10.1093/hmg/11.8.981


Affiliations:


Links toward previous steps (curation, corpus...)


Le document en format XML

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<term>Abnormal dhplc</term>
<term>Adult brain</term>
<term>Adult stages</term>
<term>Amino</term>
<term>Amino acid change</term>
<term>Amino acid residues</term>
<term>Amino acid sequence</term>
<term>Aristaless</term>
<term>Case study</term>
<term>Cellular processes</term>
<term>Cerebellum</term>
<term>Cerebral cortex</term>
<term>Coding exons</term>
<term>Coding sequences</term>
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<term>Cortical plate</term>
<term>Critical region</term>
<term>Dhplc</term>
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<term>Different stages</term>
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<term>Drosophila</term>
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<term>Embryo</term>
<term>Exon</term>
<term>Expression level</term>
<term>Family family</term>
<term>Family members</term>
<term>Fetal</term>
<term>Fetal brain</term>
<term>Functional domains</term>
<term>Genbank accession numbers</term>
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<term>Genetic intervals</term>
<term>Genetics</term>
<term>Glial cells</term>
<term>High level</term>
<term>Hippocampus</term>
<term>Homeobox gene</term>
<term>Homeodomain</term>
<term>Homeodomain proteins</term>
<term>Homeotic gene</term>
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<term>Human genetics</term>
<term>Hybridization</term>
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<term>Missense</term>
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<term>Mutation</term>
<term>Nature genet</term>
<term>Nervous system</term>
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<term>Neuronal cells</term>
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<term>Partington syndrome</term>
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<term>Polyalanine expansions</term>
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<term>Polyalanine tracts</term>
<term>Polyglutamine expansions</term>
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<term>Signal transduction pathways</term>
<term>Skeletal muscle</term>
<term>Small families</term>
<term>Small insertion</term>
<term>Spatial expression patterns</term>
<term>Sporadic case</term>
<term>Sporadic cases</term>
<term>Standard procedures</term>
<term>Syndrome</term>
<term>Syndromic forms</term>
<term>Telencephalon</term>
<term>Thalamus</term>
<term>Unpublished family</term>
<term>Ventral</term>
<term>Ventral thalamus</term>
<term>Ventricular zone</term>
<term>West syndrome</term>
<term>X-Chromosome</term>
<term>Xlmr</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Arriération mentale</term>
<term>Caractère lié au sexe</term>
<term>Chromosome X</term>
<term>Etude cas</term>
<term>Expression génique</term>
<term>Gène ARX</term>
<term>Gène homéotique</term>
<term>Homme</term>
<term>Mutation</term>
<term>Thalamus</term>
<term>Télencéphale</term>
</keywords>
<keywords scheme="Teeft" xml:lang="en">
<term>Abnormal dhplc</term>
<term>Adult brain</term>
<term>Adult stages</term>
<term>Amino</term>
<term>Amino acid change</term>
<term>Amino acid residues</term>
<term>Amino acid sequence</term>
<term>Aristaless</term>
<term>Cellular processes</term>
<term>Cerebellum</term>
<term>Cerebral cortex</term>
<term>Coding exons</term>
<term>Coding sequences</term>
<term>Cognitive development</term>
<term>Cortical plate</term>
<term>Critical region</term>
<term>Dhplc</term>
<term>Different databases</term>
<term>Different stages</term>
<term>Direct sequencing</term>
<term>Drosophila</term>
<term>Drosophila melanogaster</term>
<term>Embryo</term>
<term>Exon</term>
<term>Expression level</term>
<term>Family family</term>
<term>Family members</term>
<term>Fetal</term>
<term>Fetal brain</term>
<term>Functional domains</term>
<term>Genbank accession numbers</term>
<term>Gene</term>
<term>Genet</term>
<term>Genetic interval</term>
<term>Genetic intervals</term>
<term>Genetics</term>
<term>Glial cells</term>
<term>High level</term>
<term>Hippocampus</term>
<term>Homeobox gene</term>
<term>Homeodomain</term>
<term>Homeodomain proteins</term>
<term>Human genetics</term>
<term>Hybridization</term>
<term>Hybridization analysis</term>
<term>Institut cochin</term>
<term>Intermediate zone</term>
<term>Linkage analysis</term>
<term>Lymphoblastoid cell lines</term>
<term>Marginal zone</term>
<term>Mental retardation</term>
<term>Missense</term>
<term>Missense mutation</term>
<term>Missense mutations</term>
<term>Molecular genetics</term>
<term>Monogenic causes</term>
<term>Mouse embryos</term>
<term>Mrna</term>
<term>Mutation</term>
<term>Nature genet</term>
<term>Nervous system</term>
<term>Neuronal</term>
<term>Neuronal cells</term>
<term>Neuronal morphogenesis</term>
<term>Novel aristaless</term>
<term>Novel gene</term>
<term>Other genes</term>
<term>Partington syndrome</term>
<term>Phenotype</term>
<term>Polyalanine</term>
<term>Polyalanine expansions</term>
<term>Polyalanine tract</term>
<term>Polyalanine tracts</term>
<term>Polyglutamine expansions</term>
<term>Primary cultures</term>
<term>Recherche medicale</term>
<term>Retardation</term>
<term>Santa clara</term>
<term>Score values</term>
<term>Sequencing</term>
<term>Signal transduction pathways</term>
<term>Skeletal muscle</term>
<term>Small families</term>
<term>Small insertion</term>
<term>Spatial expression patterns</term>
<term>Sporadic case</term>
<term>Sporadic cases</term>
<term>Standard procedures</term>
<term>Syndrome</term>
<term>Syndromic forms</term>
<term>Telencephalon</term>
<term>Thalamus</term>
<term>Unpublished family</term>
<term>Ventral</term>
<term>Ventral thalamus</term>
<term>Ventricular zone</term>
<term>West syndrome</term>
<term>Xlmr</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr">
<term>Génétique</term>
<term>Homme</term>
</keywords>
</textClass>
<langUsage>
<language ident="en">en</language>
</langUsage>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">Investigation of a critical region for an X-linked mental retardation (XLMR) locus led us to identify a novel Aristaless related homeobox gene (ARX ). Inherited and de novo ARX mutations, including missense mutations and in frame duplications/insertions leading to expansions of polyalanine tracts in ARX, were found in nine familial and one sporadic case of MR. In contrast to other genes involved in XLMR, ARX expression is specific to the telencephalon and ventral thalamus. Notably there is an absence of expression in the cerebellum throughout development and also in adult. The absence of detectable brain malformations in patients suggests that ARX may have an essential role, in mature neurons, required for the development of cognitive abilities.</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>Allemagne</li>
<li>Australie</li>
<li>Belgique</li>
<li>France</li>
<li>Japon</li>
<li>Pays-Bas</li>
<li>Tunisie</li>
</country>
<region>
<li>Berlin</li>
<li>Centre-Val de Loire</li>
<li>Gouvernorat de Tunis</li>
<li>Gueldre</li>
<li>Région Centre</li>
<li>Région de Kantō</li>
<li>Île-de-France</li>
</region>
<settlement>
<li>Berlin</li>
<li>Nimègue</li>
<li>Paris</li>
<li>Tokyo</li>
<li>Tours</li>
<li>Tunis</li>
</settlement>
</list>
<tree>
<country name="France">
<region name="Île-de-France">
<name sortKey="Bienvenu, Thierry" sort="Bienvenu, Thierry" uniqKey="Bienvenu T" first="Thierry" last="Bienvenu">Thierry Bienvenu</name>
</region>
<name sortKey="Bahi, Nadia" sort="Bahi, Nadia" uniqKey="Bahi N" first="Nadia" last="Bahi">Nadia Bahi</name>
<name sortKey="Beaumont, Delphine" sort="Beaumont, Delphine" uniqKey="Beaumont D" first="Delphine" last="Beaumont">Delphine Beaumont</name>
<name sortKey="Beldjord, Cherif" sort="Beldjord, Cherif" uniqKey="Beldjord C" first="Cherif" last="Beldjord">Cherif Beldjord</name>
<name sortKey="Chelly, Jamel" sort="Chelly, Jamel" uniqKey="Chelly J" first="Jamel" last="Chelly">Jamel Chelly</name>
<name sortKey="Couvert, Philippe" sort="Couvert, Philippe" uniqKey="Couvert P" first="Philippe" last="Couvert">Philippe Couvert</name>
<name sortKey="Desportes, Vincent" sort="Desportes, Vincent" uniqKey="Desportes V" first="Vincent" last="Desportes">Vincent Desportes</name>
<name sortKey="Fauchereau, Fabien" sort="Fauchereau, Fabien" uniqKey="Fauchereau F" first="Fabien" last="Fauchereau">Fabien Fauchereau</name>
<name sortKey="Francis, Fiona" sort="Francis, Fiona" uniqKey="Francis F" first="Fiona" last="Francis">Fiona Francis</name>
<name sortKey="Friocourt, Gaelle" sort="Friocourt, Gaelle" uniqKey="Friocourt G" first="Gaelle" last="Friocourt">Gaelle Friocourt</name>
<name sortKey="Gomot, Marie" sort="Gomot, Marie" uniqKey="Gomot M" first="Marie" last="Gomot">Marie Gomot</name>
<name sortKey="Moraine, Claude" sort="Moraine, Claude" uniqKey="Moraine C" first="Claude" last="Moraine">Claude Moraine</name>
<name sortKey="Poirier, Karine" sort="Poirier, Karine" uniqKey="Poirier K" first="Karine" last="Poirier">Karine Poirier</name>
<name sortKey="Vinet, Marie Claude" sort="Vinet, Marie Claude" uniqKey="Vinet M" first="Marie-Claude" last="Vinet">Marie-Claude Vinet</name>
<name sortKey="Zemni, Ramzi" sort="Zemni, Ramzi" uniqKey="Zemni R" first="Ramzi" last="Zemni">Ramzi Zemni</name>
</country>
<country name="Tunisie">
<region name="Gouvernorat de Tunis">
<name sortKey="Ben Jeema, Lamia" sort="Ben Jeema, Lamia" uniqKey="Ben Jeema L" first="Lamia" last="Ben Jeema">Lamia Ben Jeema</name>
</region>
<name sortKey="Chaabouni, Habiba" sort="Chaabouni, Habiba" uniqKey="Chaabouni H" first="Habiba" last="Chaabouni">Habiba Chaabouni</name>
</country>
<country name="Pays-Bas">
<region name="Gueldre">
<name sortKey="Van Bokhoven, Hans" sort="Van Bokhoven, Hans" uniqKey="Van Bokhoven H" first="Hans" last="Van Bokhoven">Hans Van Bokhoven</name>
</region>
</country>
<country name="Allemagne">
<region name="Berlin">
<name sortKey="Kalscheuer, Vera" sort="Kalscheuer, Vera" uniqKey="Kalscheuer V" first="Vera" last="Kalscheuer">Vera Kalscheuer</name>
</region>
</country>
<country name="Belgique">
<noRegion>
<name sortKey="Frints, Suzanne" sort="Frints, Suzanne" uniqKey="Frints S" first="Suzanne" last="Frints">Suzanne Frints</name>
</noRegion>
<name sortKey="Fryns, Jean Pierre" sort="Fryns, Jean Pierre" uniqKey="Fryns J" first="Jean-Pierre" last="Fryns">Jean-Pierre Fryns</name>
</country>
<country name="Australie">
<noRegion>
<name sortKey="Gecz, Josef" sort="Gecz, Josef" uniqKey="Gecz J" first="Josef" last="Gecz">Josef Gecz</name>
</noRegion>
</country>
<country name="Japon">
<region name="Région de Kantō">
<name sortKey="Ohzaki, Kanae" sort="Ohzaki, Kanae" uniqKey="Ohzaki K" first="Kanae" last="Ohzaki">Kanae Ohzaki</name>
</region>
</country>
</tree>
</affiliations>
</record>

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