Clinically abnormal case with paternally derived partial trisomy 8p23.3 to 8p12 including maternal isodisomy of 8p23.3: a case report.
In: Molecular cytogenetics, Jg. 2 (2009-06-30), S. 14
Online
academicJournal
Zugriff:
Background: Because of low copy repeats (LCRs) and common inversion polymorphisms, the human chromosome 8p is prone to a number of recurrent rearrangements. Each of these rearrangements is associated with several phenotypic features. We report on a patient with various clinical malformations and developmental delay in connection with an inverted duplication event, involving chromosome 8p.
Methods: Chromosome analysis, multicolor banding analysis (MCB), extensive fluorescence in situ hybridization (FISH) analysis and microsatellite analysis were performed.
Results: The karyotype was characterized in detail by multicolor banding (MCB), subtelomeric and centromere-near probes as 46,XY,dup(8)(pter->p23.3::p12->p23.3::p23.3->qter). Additionally, microsatellite analysis revealed the paternal origin of the duplication and gave hints for a mitotic recombination involving about 6 MB in 8p23.3.
Conclusion: A comprehensive analysis of the derivative chromosome 8 suggested a previously unreported mechanism of formation, which included an early mitotic aberration leading to maternal isodisomy, followed by an inverted duplication of the 8p12p23.3 region.
Titel: |
Clinically abnormal case with paternally derived partial trisomy 8p23.3 to 8p12 including maternal isodisomy of 8p23.3: a case report.
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Autor/in / Beteiligte Person: | Aktas, D ; Weise, A ; Utine, E ; Alehan, D ; Mrasek, K ; von Eggeling F ; Thieme, H ; Tuncbilek, E ; Liehr, T |
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Zeitschrift: | Molecular cytogenetics, Jg. 2 (2009-06-30), S. 14 |
Veröffentlichung: | London : BioMed Central, 2009 |
Medientyp: | academicJournal |
ISSN: | 1755-8166 (electronic) |
DOI: | 10.1186/1755-8166-2-14 |
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