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

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Bienvenu, T.·2002·Human Molecular Genetics

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.

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Metadata

Authors
Bienvenu, T.
Venue
Human Molecular Genetics
Published
2002-04-15
Volume
11
Issue
8
Pages
981-991
ISSN
  • 0964-6906 (ISSN-L)
  • 1460-2083
OpenAlex
W2161317138
Cited by
290
References
0
FWCI
14.84
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: ARX, a novel Prd-class-homeobox gene highly expressed in the telencephalon, is mutated in X-linked mental retardation. https://app.cochat.ai/papers/10.1093/hmg/11.8.981
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Bienvenu, T. (2002). ARX, a novel Prd-class-homeobox gene highly expressed in the telencephalon, is mutated in X-linked mental retardation. Human Molecular Genetics. https://doi.org/10.1093/hmg/11.8.981

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