12q14 Microdeletions: Additional Case Series with Confirmation of a Macrocephaly Region

To date, there have been only a few reports of patients carrying a microdeletion in chromosome 12q14. These patients usually present with pre- and postnatal growth retardation, and developmental delay. Here we report on two additional patients with both genotype and phenotype differences. Similar to...

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Main Authors: Adrian Mc Cormack, Cynthia Sharpe, Nerine Gregersen, Warwick Smith, Ian Hayes, Alice M. George, Donald R. Love
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Case Reports in Genetics
Online Access:http://dx.doi.org/10.1155/2015/192071
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author Adrian Mc Cormack
Cynthia Sharpe
Nerine Gregersen
Warwick Smith
Ian Hayes
Alice M. George
Donald R. Love
author_facet Adrian Mc Cormack
Cynthia Sharpe
Nerine Gregersen
Warwick Smith
Ian Hayes
Alice M. George
Donald R. Love
author_sort Adrian Mc Cormack
collection DOAJ
description To date, there have been only a few reports of patients carrying a microdeletion in chromosome 12q14. These patients usually present with pre- and postnatal growth retardation, and developmental delay. Here we report on two additional patients with both genotype and phenotype differences. Similar to previously published cases, one patient has haploinsufficiency of the HMGA2 gene and shows severe short stature and developmental delay. The second patient is only one of a handful without the loss of the HMGA2 gene and shows a much better growth profile, but with absolute macrocephaly. This patient’s deletion is unique and hence defines a likely macrocephaly locus that contributes to the general phenotype characterising the 12q14 syndrome.
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spelling doaj-art-828080e7bf57431289d3caffc7408dbc2025-02-03T01:26:12ZengWileyCase Reports in Genetics2090-65442090-65522015-01-01201510.1155/2015/19207119207112q14 Microdeletions: Additional Case Series with Confirmation of a Macrocephaly RegionAdrian Mc Cormack0Cynthia Sharpe1Nerine Gregersen2Warwick Smith3Ian Hayes4Alice M. George5Donald R. Love6Diagnostic Genetics, LabPLUS, Auckland City Hospital, P.O. Box 110031, Auckland 1148, New ZealandDepartment of Neuroservices, Starship Children’s Health, Private Bag 92024, Auckland 1142, New ZealandGenetic Health Service New Zealand-Northern Hub, Auckland City Hospital, Private Bag 92024, Auckland 1142, New ZealandMiddlemore Hospital, Private Bag 93311, Otahuhu, Auckland 1640, New ZealandGenetic Health Service New Zealand-Northern Hub, Auckland City Hospital, Private Bag 92024, Auckland 1142, New ZealandDiagnostic Genetics, LabPLUS, Auckland City Hospital, P.O. Box 110031, Auckland 1148, New ZealandDiagnostic Genetics, LabPLUS, Auckland City Hospital, P.O. Box 110031, Auckland 1148, New ZealandTo date, there have been only a few reports of patients carrying a microdeletion in chromosome 12q14. These patients usually present with pre- and postnatal growth retardation, and developmental delay. Here we report on two additional patients with both genotype and phenotype differences. Similar to previously published cases, one patient has haploinsufficiency of the HMGA2 gene and shows severe short stature and developmental delay. The second patient is only one of a handful without the loss of the HMGA2 gene and shows a much better growth profile, but with absolute macrocephaly. This patient’s deletion is unique and hence defines a likely macrocephaly locus that contributes to the general phenotype characterising the 12q14 syndrome.http://dx.doi.org/10.1155/2015/192071
spellingShingle Adrian Mc Cormack
Cynthia Sharpe
Nerine Gregersen
Warwick Smith
Ian Hayes
Alice M. George
Donald R. Love
12q14 Microdeletions: Additional Case Series with Confirmation of a Macrocephaly Region
Case Reports in Genetics
title 12q14 Microdeletions: Additional Case Series with Confirmation of a Macrocephaly Region
title_full 12q14 Microdeletions: Additional Case Series with Confirmation of a Macrocephaly Region
title_fullStr 12q14 Microdeletions: Additional Case Series with Confirmation of a Macrocephaly Region
title_full_unstemmed 12q14 Microdeletions: Additional Case Series with Confirmation of a Macrocephaly Region
title_short 12q14 Microdeletions: Additional Case Series with Confirmation of a Macrocephaly Region
title_sort 12q14 microdeletions additional case series with confirmation of a macrocephaly region
url http://dx.doi.org/10.1155/2015/192071
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