Phenotypic variability of a distinct deletion in McLeod syndrome
Identifieur interne : 003B96 ( Main/Merge ); précédent : 003B95; suivant : 003B97Phenotypic variability of a distinct deletion in McLeod syndrome
Auteurs : Marcelo Miranda [Chili] ; Claudia Castiglioni [Chili] ; Beat M. Frey [Suisse] ; Martin Hergersberg [Suisse] ; Adrian Danek [Allemagne] ; Hans H. Jung [Suisse]Source :
- Movement Disorders [ 0885-3185 ] ; 2007-07-15.
English descriptors
- KwdEn :
- Amino Acid Transport Systems, Neutral (genetics), Chorea (complications), Chorea (genetics), Chorea (pathology), DNA Mutational Analysis, Genetic Diseases, X-Linked (complications), Genetic Diseases, X-Linked (genetics), Genetic Diseases, X-Linked (pathology), Humans, Magnetic Resonance Imaging (methods), Male, McLeod syndrome, Middle Aged, Phenotype, Sequence Deletion, Siblings, Tomography, X-Ray Computed (methods), chorea, neuroacanthocytosis.
- MESH :
- chemical , genetics : Amino Acid Transport Systems, Neutral.
- complications : Chorea, Genetic Diseases, X-Linked.
- genetics : Chorea, Genetic Diseases, X-Linked.
- methods : Magnetic Resonance Imaging, Tomography, X-Ray Computed.
- pathology : Chorea, Genetic Diseases, X-Linked.
- DNA Mutational Analysis, Humans, Male, Middle Aged, Phenotype, Sequence Deletion, Siblings.
Abstract
The X‐linked McLeod neuroacanthocytosis syndrome strongly resembles Huntington's disease and has been reported in various countries world‐wide. Herein, we report two Chilean brothers with predominant psychiatric features at disease onset including schizophrenia‐like psychosis and obsessive compulsive disorder. Molecular genetic analysis revealed a small deletion in the XK gene (938‐942delCTCTA), which has been already described in a North American patient of Anglo‐Saxon descent and a Japanese family, presenting with seizures, muscle atrophy or chorea yet absence of psychiatric features. These findings argue against a founder effect and indicate a profound phenotypic variability associated with the 938‐942delCTCTA deletion. Our report supports the inclusion of McLeod syndrome in the differential diagnosis of Huntington's disease as well as acute psychosis in male subjects. © 2007 Movement Disorder Society
Url:
DOI: 10.1002/mds.21536
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<front><div type="abstract" xml:lang="en">The X‐linked McLeod neuroacanthocytosis syndrome strongly resembles Huntington's disease and has been reported in various countries world‐wide. Herein, we report two Chilean brothers with predominant psychiatric features at disease onset including schizophrenia‐like psychosis and obsessive compulsive disorder. Molecular genetic analysis revealed a small deletion in the XK gene (938‐942delCTCTA), which has been already described in a North American patient of Anglo‐Saxon descent and a Japanese family, presenting with seizures, muscle atrophy or chorea yet absence of psychiatric features. These findings argue against a founder effect and indicate a profound phenotypic variability associated with the 938‐942delCTCTA deletion. Our report supports the inclusion of McLeod syndrome in the differential diagnosis of Huntington's disease as well as acute psychosis in male subjects. © 2007 Movement Disorder Society</div>
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<front><div type="abstract" xml:lang="en">The X-linked McLeod neuroacanthocytosis syndrome strongly resembles Huntington's disease and has been reported in various countries world-wide. Herein, we report two Chilean brothers with predominant psychiatric features at disease onset including schizophrenia-like psychosis and obsessive compulsive disorder. Molecular genetic analysis revealed a small deletion in the XK gene (938-942delCTCTA), which has been already described in a North American patient of Anglo-Saxon descent and a Japanese family, presenting with seizures, muscle atrophy or chorea yet absence of psychiatric features. These findings argue against a founder effect and indicate a profound phenotypic variability associated with the 938-942delCTCTA deletion. Our report supports the inclusion of McLeod syndrome in the differential diagnosis of Huntington's disease as well as acute psychosis in male subjects.</div>
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