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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Mutations in the TGFβb binding-protein-like domain 5 of FBN1 are responsible for acromicric and geleophysic dysplasias
American Journal of Human Genetics, Volume 89, No. 1, Year 2011
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Description
Geleophysic(GD) and acromicric dysplasia (AD) belong to the acromelic dysplasia group andare both characterized by severe short stature, short extremities, and stiff joints. Although AD has an unknown molecular basis, we have previously identified ADAMTSL2 mutations in a subset ofGDpatients. After exome sequencing inGDand AD cases, we selected fibrillin 1 (FBN1) as a candidate gene, even though mutations in this gene have been described in Marfan syndrome, which is characterized by tall stature and arachnodactyly.We identified 16 heterozygous FBN1 mutations that are all located in exons 41 and 42 and encode TGFb-binding protein-like domain 5 (TB5) of FBN1 in 29GDandAD cases. Microfibrillar network disorganization and enhanced TGFb signaling were consistent features inGDandAD fibroblasts. Importantly, a direct interaction between ADAMTSL2 and FBN1 was demonstrated, suggesting a disruption of this interaction as the underlying mechanism of GD and AD phenotypes. Although enhanced TGFb signaling caused by FBN1 mutations can trigger either Marfan syndrome or GD and AD, our findings support the fact that TB5 mutations in FBN1 are responsible for short stature phenotypes. © 2011 by The American Society of Human Genetics. All rights reserved.
Authors & Co-Authors
Goff, Carine Le
France, Paris
Inserm
Mahaut, Clémentine
France, Paris
Inserm
Wang, Lauren Weiping
United States, Cleveland
Cleveland Clinic Foundation
Allali, Slimane
France, Paris
Inserm
Abhyankar, Avinash
United States, New York
Rockefeller University
Jensen, Sacha A.
United Kingdom, Oxford
University of Oxford Medical Sciences Division
Zylberberg, Louise
France, Paris
Cnrs Centre National de la Recherche Scientifique
Collod-Béroud, Gwenaelle
France, Paris
Inserm
France, Montpellier
Université de Montpellier
Bonnet, Damien
France, Paris
Hôpital Necker Enfants Malades
Alanay, Yasemin
Turkey, Ankara
Hacettepe Üniversitesi
Brady, Angela F.
United Kingdom, Harrow
Northwick Park Hospital
Cordier, Marie Pierre
France, Bron
Service de Génétique
Devriendt, Koenraad
Belgium, Leuven
Ku Leuven
Geneviève, David
France, Montpellier
Université de Montpellier
Şimşek-Kiper, Pelin Özlem
Turkey, Ankara
Hacettepe Üniversitesi
Kitoh, Hiroshi
Japan, Nagoya
Nagoya University School of Medicine
Krakow, Deborah E.
United States, Los Angeles
David Geffen School of Medicine at Ucla
Lynch, Sally Ann
Ireland, Dublin
Our Lady's Hospital for Sick Children
Merrer, Martine Le
France, Paris
Inserm
Megarbane, Andre
Lebanon, Beirut
Université Saint-joseph de Beyrouth
Mortier, Geert R.
Belgium, Edegem
Universitair Ziekenhuis Antwerpen
Odent, Sylvie
France, Rennes
Université de Rennes
Polak, Michel
France, Paris
Hôpital Necker Enfants Malades
Rohrbach, Marianne
Switzerland, Zurich
Kinderspital Zürich
Sillence, David Owen
Australia, Sydney
The Children's Hospital at Westmead
Stolte-Dijkstra, Irene
Netherlands, Groningen
Universitair Medisch Centrum Groningen
Superti-Furga, Andrea
Switzerland, Lausanne
Université de Lausanne Unil
Rimoin, David L.
United States, Los Angeles
Cedars-sinai Medical Center
Topouchian, Vicken
France, Paris
Hôpital Necker Enfants Malades
Unger, Sheila L.
Switzerland, Lausanne
Université de Lausanne Unil
Zabel, Bernhard Ulrich
Germany, Freiburg Im Breisgau
Universitätsklinikum Freiburg
Bôle-Feysot, Christine
France, Paris
Hôpital Necker Enfants Malades
Nitschké, Patrick
France, Paris
Université Paris Cité
Handford, Penny A.
United Kingdom, Oxford
University of Oxford Medical Sciences Division
Casanova, Jean Laurent
United States, New York
Rockefeller University
France, Paris
L'institut Des Maladies Génétiques Imagine
Boileau, Catherine R.
France, Paris
Inserm
Apte, Suneel S.
United States, Cleveland
Cleveland Clinic Foundation
Münnich, Arnold
France, Paris
Inserm
Cormier-Dairé, Valeŕie
France, Paris
Inserm
Statistics
Citations: 204
Authors: 39
Affiliations: 25
Identifiers
Doi:
10.1016/j.ajhg.2011.05.012
ISSN:
00029297
e-ISSN:
15376605
Research Areas
Genetics And Genomics