Abstract:
:We report on a patient with mental retardation, seizures and tall stature with advanced bone age in whom a de novo apparently balanced chromosomal rearrangement 46,XX,t(X;9)(q12;p13.3) was identified. Using array CGH on flow-sorted derivative chromosomes (array painting) and subsequent FISH and qPCR analysis, we mapped and sequenced both breakpoints. The Xq12 breakpoint was located within the gene coding for oligophrenin 1 (OPHN1) whereas the 9p13.3 breakpoint was assigned to a non-coding segment within a gene dense region. Disruption of OPHN1 by the Xq12 breakpoint was considered the major cause of the abnormal phenotype observed in the proband.
journal_name
Eur J Med Genetjournal_title
European journal of medical geneticsauthors
Menten B,Buysse K,Vermeulen S,Meersschaut V,Vandesompele J,Ng BL,Carter NP,Mortier GR,Speleman Fdoi
10.1016/j.ejmg.2007.07.003subject
Has Abstractpub_date
2007-11-01 00:00:00pages
446-54issue
6eissn
1769-7212issn
1878-0849pii
S1769-7212(07)00078-Xjournal_volume
50pub_type
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