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22q11.2 microduplic...
22q11.2 microduplication in two patients with bladder exstrophy and hearing impairment
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- Lundin, Johanna (författare)
- Karolinska Institutet
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- Söderhäll, Cilla (författare)
- Karolinska Institutet
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Lundén, Lina (författare)
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- Hammarsjö, Anna (författare)
- Karolinska Institutet
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White, Iréne (författare)
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Schoumans, Jacqueline (författare)
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- Läckgren, Göran (författare)
- Uppsala universitet,Barnkirurgi,Barnkirurgi/Christoffersson
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- Clementson Kockum, Christina (författare)
- Lund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Nordenskjöld, Agneta (författare)
- Karolinska Institutet
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(creator_code:org_t)
- Elsevier BV, 2010
- 2010
- Engelska.
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Ingår i: European Journal of Medical Genetics. - : Elsevier BV. - 1769-7212 .- 1878-0849. ; 53:2, s. 61-65
- Relaterad länk:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- Bladder exstrophy is a congenital malformation of the bladder and urethra. The genetic basis of this malformation is unknown however it is well known that chromosomal aberrations can lead to defects in organ development. A few bladder exstrophy patients have been described to carry chromosomal aberrations. Chromosomal rearrangements of 22q11.2 are implicated in several genomic disorders i.e. DiGeorge/velocardiofacial- and cat-eye syndrome. Deletions within this chromosomal region are relatively common while duplications of 22q11.2 are much less frequently observed. An increasing number of reports of microduplications of this region describe a highly variable phenotype. We have performed array-CGH analysis of 36 Swedish bladder exstrophy patients. The analysis revealed a similar and approximately 3 Mb duplication, consistent with the recently described 22q11.2 microduplication syndrome, in two unrelated cases with bladder exstrophy and hearing impairment. This finding was confirmed by multiplex ligation-dependent probe amplification (MLPA) and FISH analysis. Subsequent MLPA analysis of this chromosomal region in 33 bladder exstrophy patients did not reveal any deletion/duplication within this region. MLPA analysis of 171 anonymous control individuals revealed one individual carrying this microduplication. This is the first report of 22q11.2 microduplication associated with bladder exstrophy and hearing impairment. Furthermore the finding of one carrier among a cohort of normal controls further highlights the variable phenotype linked to this microduplication syndrome.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Pediatrik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Pediatrics (hsv//eng)
Nyckelord
- Bladder exstrophy
- Hearing impairment
- 22q11.2 microduplication syndrome
- Array-CGH
- MEDICINE
- MEDICIN
- 22q11.2 microduplication
- Bladder exstrophy
- Hearing impairment
- syndrome
- Array-CGH
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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