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A previously unreco...
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Mikhail, Fady M.
(author)
A previously unrecognized microdeletion syndrome on chromosome 22 band q11.2 encompassing the BCR gene
- Article/chapterEnglish2007
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Wiley,2007
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Numbers
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LIBRIS-ID:oai:DiVA.org:uu-13614
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-13614URI
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https://doi.org/10.1002/ajmg.a.31882DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Susceptibility of the chromosome 22q11.2 region to rearrangements has been recognized on the basis of common clinical disorders such as the DiGeorge/velocardiofacial syndrome (DG/VCFs). Recent evidence has implicated low-copy repeats (LCRs); also known as segmental duplications; on 22q as mediators of nonallelic homologous recombination (NAHR) that result in rearrangements of 22q11.2. It has been shown that both deletion and duplication events can occur as a result of NAHR caused by unequal crossover of LCRs. Here we report on the clinical, cytogenetic and array CGH studies of a 15-year-old Hispanic boy with history of learning and behavior problems. We suggest that he represents a previously unrecognized microdeletion syndrome on chromosome 22 band q11.2 just telomeric to the DG/VCFs typically deleted region and encompassing the BCR gene. Using a 32K BAC array CGH chip we were able to refine and precisely narrow the breakpoints of this microdeletion, which was estimated to be 1.55-1.92 Mb in size and to span approximately 20 genes. This microdeletion region is flanked by LCR clusters containing several modules with a very high degree of sequence homology (>95%), and therefore could play a causal role in its origin.
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Descartes, Maria
(author)
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Piotrowski, ArkadiuszUppsala universitet,Institutionen för genetik och patologi
(author)
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Andersson, RobinUppsala universitet,Centrum för bioinformatik(Swepub:uu)roand427
(author)
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de Ståhl, Teresita DiazUppsala universitet,Institutionen för genetik och patologi(Swepub:uu)terstahl
(author)
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Komorowski, JanUppsala universitet,Centrum för bioinformatik(Swepub:uu)jakom133
(author)
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Bruder, Carl E. G.Uppsala universitet,Institutionen för genetik och patologi
(author)
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Dumanski, Jan P.Uppsala universitet,Institutionen för genetik och patologi(Swepub:uu)janduman
(author)
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Carroll, Andrew J.
(author)
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Uppsala universitetInstitutionen för genetik och patologi
(creator_code:org_t)
Related titles
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In:American journal of medical genetics. Part A: Wiley143A:18, s. 2178-21841552-48251552-4833
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