Abstract
Background: Short arm deletions of the X-chromosome are challenging issues for genetic counseling due to their low penetrance in population. Female carriers of these deletions have milder phenotype than male ones, considering the intellectual ability and social skills, probably because of the X-chromosome inactivation phenomenon.
Case report: A female patient with a 10Mb distal Xp deletion and an Xq duplication, showing mild intellectual disability, is described in this report. While the deletion arose from a maternal pericentric inversion, the duplication was directly transmitted from the mother who is phenotypically normal.
Conclusion: This report underlines the usefulness of molecular cytogenetic technics in postnatal diagnosis.
Keywords: Xp deletion, Pericentric inversion, Array CGH, Classical cytogenetics, Genetic counseling, Xq duplication.
Current Genomics
Title:A Girl with 10 Mb Distal Xp Deletion Arising from Maternal Pericentric Inversion: Clinical Data and Molecular Characterization
Volume: 19 Issue: 3
Author(s): Ioannis Papoulidis , Annalisa Vetro, Vassilis Paspaliaris, Monika Ziegler , Katharina Kreskowski, George Daskalakis, Vasilios Papadopoulos, Themistoklis Dagklis , Thomas Liehr, Loretta Thomaidis and Emmanouil Manolakos*
Affiliation:
- Access to Genome P.C., Clinical Laboratory Genetics, Athens-Thessaloniki,Greece
Keywords: Xp deletion, Pericentric inversion, Array CGH, Classical cytogenetics, Genetic counseling, Xq duplication.
Abstract: Background: Short arm deletions of the X-chromosome are challenging issues for genetic counseling due to their low penetrance in population. Female carriers of these deletions have milder phenotype than male ones, considering the intellectual ability and social skills, probably because of the X-chromosome inactivation phenomenon.
Case report: A female patient with a 10Mb distal Xp deletion and an Xq duplication, showing mild intellectual disability, is described in this report. While the deletion arose from a maternal pericentric inversion, the duplication was directly transmitted from the mother who is phenotypically normal.
Conclusion: This report underlines the usefulness of molecular cytogenetic technics in postnatal diagnosis.
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Cite this article as:
Papoulidis Ioannis , Vetro Annalisa , Paspaliaris Vassilis , Ziegler Monika , Kreskowski Katharina , Daskalakis George , Papadopoulos Vasilios , Dagklis Themistoklis , Liehr Thomas , Thomaidis Loretta and Manolakos Emmanouil *, A Girl with 10 Mb Distal Xp Deletion Arising from Maternal Pericentric Inversion: Clinical Data and Molecular Characterization, Current Genomics 2018; 19 (3) . https://dx.doi.org/10.2174/1389202918666170725102220
DOI https://dx.doi.org/10.2174/1389202918666170725102220 |
Print ISSN 1389-2029 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5488 |
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