Clinically abnormal case with paternally derived partial trisomy 8p23.3 to 8p12 including maternal isodisomy of 8p23.3: a case report

<p>Abstract</p> <p>Background</p> <p>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 o...

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Main Authors: Thieme Heike, von Eggeling Ferdinand, Mrasek Kristin, Alehan Dursun, Utine Eda, Weise Anja, Aktas Dilek, Tuncbilek Ergul, Liehr Thomas
Format: Article
Language:English
Published: BMC 2009-06-01
Series:Molecular Cytogenetics
Online Access:http://www.molecularcytogenetics.org/content/2/1/14
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author Thieme Heike
von Eggeling Ferdinand
Mrasek Kristin
Alehan Dursun
Utine Eda
Weise Anja
Aktas Dilek
Tuncbilek Ergul
Liehr Thomas
author_facet Thieme Heike
von Eggeling Ferdinand
Mrasek Kristin
Alehan Dursun
Utine Eda
Weise Anja
Aktas Dilek
Tuncbilek Ergul
Liehr Thomas
author_sort Thieme Heike
collection DOAJ
description <p>Abstract</p> <p>Background</p> <p>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.</p> <p>Methods</p> <p>Chromosome analysis, multicolor banding analysis (MCB), extensive fluorescence in situ hybridization (FISH) analysis and microsatellite analysis were performed.</p> <p>Results</p> <p>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.</p> <p>Conclusion</p> <p>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.</p>
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spelling doaj.art-791b192dd14c4a61a256dbb83b1eb8662022-12-21T20:40:23ZengBMCMolecular Cytogenetics1755-81662009-06-01211410.1186/1755-8166-2-14Clinically abnormal case with paternally derived partial trisomy 8p23.3 to 8p12 including maternal isodisomy of 8p23.3: a case reportThieme Heikevon Eggeling FerdinandMrasek KristinAlehan DursunUtine EdaWeise AnjaAktas DilekTuncbilek ErgulLiehr Thomas<p>Abstract</p> <p>Background</p> <p>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.</p> <p>Methods</p> <p>Chromosome analysis, multicolor banding analysis (MCB), extensive fluorescence in situ hybridization (FISH) analysis and microsatellite analysis were performed.</p> <p>Results</p> <p>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.</p> <p>Conclusion</p> <p>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.</p>http://www.molecularcytogenetics.org/content/2/1/14
spellingShingle Thieme Heike
von Eggeling Ferdinand
Mrasek Kristin
Alehan Dursun
Utine Eda
Weise Anja
Aktas Dilek
Tuncbilek Ergul
Liehr Thomas
Clinically abnormal case with paternally derived partial trisomy 8p23.3 to 8p12 including maternal isodisomy of 8p23.3: a case report
Molecular Cytogenetics
title Clinically abnormal case with paternally derived partial trisomy 8p23.3 to 8p12 including maternal isodisomy of 8p23.3: a case report
title_full Clinically abnormal case with paternally derived partial trisomy 8p23.3 to 8p12 including maternal isodisomy of 8p23.3: a case report
title_fullStr Clinically abnormal case with paternally derived partial trisomy 8p23.3 to 8p12 including maternal isodisomy of 8p23.3: a case report
title_full_unstemmed Clinically abnormal case with paternally derived partial trisomy 8p23.3 to 8p12 including maternal isodisomy of 8p23.3: a case report
title_short Clinically abnormal case with paternally derived partial trisomy 8p23.3 to 8p12 including maternal isodisomy of 8p23.3: a case report
title_sort clinically abnormal case with paternally derived partial trisomy 8p23 3 to 8p12 including maternal isodisomy of 8p23 3 a case report
url http://www.molecularcytogenetics.org/content/2/1/14
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