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Complex nature of a...
Complex nature of apparently balanced chromosomal rearrangements in patients with autism spectrum disorder.
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Tabet, Anne-Claude (författare)
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Verloes, Alain (författare)
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Pilorge, Marion (författare)
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visa fler...
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Delaby, Elsa (författare)
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Delorme, Richard (författare)
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- Nygren, Gudrun, 1957 (författare)
- Gothenburg University,Göteborgs universitet,Gillbergcentrum,Gillberg Neuropsychiatry Centre
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Devillard, Françoise (författare)
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Gérard, Marion (författare)
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Passemard, Sandrine (författare)
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Héron, Delphine (författare)
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Siffroi, Jean-Pierre (författare)
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Jacquette, Aurelia (författare)
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Delahaye, Andrée (författare)
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Perrin, Laurence (författare)
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Dupont, Céline (författare)
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Aboura, Azzedine (författare)
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Bitoun, Pierre (författare)
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Coleman, Mary (författare)
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Leboyer, Marion (författare)
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- Gillberg, Christopher, 1950 (författare)
- Gothenburg University,Göteborgs universitet,Gillbergcentrum,Gillberg Neuropsychiatry Centre
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Benzacken, Brigitte (författare)
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Betancur, Catalina (författare)
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(creator_code:org_t)
- 2015-03-25
- 2015
- Engelska.
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Ingår i: Molecular autism. - : Springer Science and Business Media LLC. - 2040-2392. ; 6
- Relaterad länk:
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https://molecularaut...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- BACKGROUND: Apparently balanced chromosomal rearrangements can be associated with an abnormal phenotype, including intellectual disability and autism spectrum disorder (ASD). Genome-wide microarrays reveal cryptic genomic imbalances, related or not to the breakpoints, in 25% to 50% of patients with an abnormal phenotype carrying a microscopically balanced chromosomal rearrangement. Here we performed microarray analysis of 18 patients with ASD carrying balanced chromosomal abnormalities to identify submicroscopic imbalances implicated in abnormal neurodevelopment. METHODS: Eighteen patients with ASD carrying apparently balanced chromosomal abnormalities were screened using single nucleotide polymorphism (SNP) arrays. Nine rearrangements were de novo, seven inherited, and two of unknown inheritance. Genomic imbalances were confirmed by fluorescence in situ hybridization and quantitative PCR. RESULTS: We detected clinically significant de novo copy number variants in four patients (22%), including three with de novo rearrangements and one with an inherited abnormality. The sizes ranged from 3.3 to 4.9 Mb; three were related to the breakpoint regions and one occurred elsewhere. We report a patient with a duplication of the Wolf-Hirschhorn syndrome critical region, contributing to the delineation of this rare genomic disorder. The patient has a chromosome 4p inverted duplication deletion, with a 0.5 Mb deletion of terminal 4p and a 4.2 Mb duplication of 4p16.2p16.3. The other cases included an apparently balanced de novo translocation t(5;18)(q12;p11.2) with a 4.2 Mb deletion at the 18p breakpoint, a subject with de novo pericentric inversion inv(11)(p14q23.2) in whom the array revealed a de novo 4.9 Mb deletion in 7q21.3q22.1, and a patient with a maternal inv(2)(q14.2q37.3) with a de novo 3.3 Mb terminal 2q deletion and a 4.2 Mb duplication at the proximal breakpoint. In addition, we identified a rare de novo deletion of unknown significance on a chromosome unrelated to the initial rearrangement, disrupting a single gene, RFX3. CONCLUSIONS: These findings underscore the utility of SNP arrays for investigating apparently balanced chromosomal abnormalities in subjects with ASD or related neurodevelopmental disorders in both clinical and research settings.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Psykiatri (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Psychiatry (hsv//eng)
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Tabet, Anne-Clau ...
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Verloes, Alain
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Pilorge, Marion
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Delaby, Elsa
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Delorme, Richard
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Nygren, Gudrun, ...
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visa fler...
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Devillard, Franç ...
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Gérard, Marion
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Passemard, Sandr ...
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Héron, Delphine
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Siffroi, Jean-Pi ...
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Jacquette, Aurel ...
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Delahaye, Andrée
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Perrin, Laurence
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Dupont, Céline
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Aboura, Azzedine
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Bitoun, Pierre
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Coleman, Mary
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Leboyer, Marion
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Gillberg, Christ ...
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Benzacken, Brigi ...
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Betancur, Catali ...
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Klinisk medicin
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och Psykiatri
- Artiklar i publikationen
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Molecular autism
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Göteborgs universitet