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|Title:||16p11.2 600 kb Duplications confer risk for typical and atypical Rolandic epilepsy.|
|Authors:||Reinthaler, Eva M;Lal, Dennis;Lebon, Sebastien;Hildebrand, Michael S;Dahl, Hans-Henrik M;Regan, Brigid M;Feucht, Martha;Steinböck, Hannelore;Neophytou, Birgit;Ronen, Gabriel M;Roche, Laurian;Gruber-Sedlmayr, Ursula;Geldner, Julia;Haberlandt, Edda;Hoffmann, Per;Herms, Stefan;Gieger, Christian;Waldenberger, Melanie;Franke, Andre;Wittig, Michael;Schoch, Susanne;Becker, Albert J;Hahn, Andreas;Männik, Katrin;Toliat, Mohammad R;Winterer, Georg;Lerche, Holger;Nürnberg, Peter;Mefford, Heather C;Scheffer, Ingrid E;Berkovic, Samuel F;Beckmann, Jacques S;Sander, Thomas;Jacquemont, Sebastien;Reymond, Alexandre;Zimprich, Fritz;Neubauer, Bernd A|
|Institutional Author:||16p11.2 European Consortium|
|Affiliation:||Epilepsy Research Centre, Department of Medicine, Austin Health, The University of Melbourne, Heidelberg, Victoria, Australia|
Division of Genetic Medicine, University of Washington, Seattle, Washington, USA
Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada
Florey Institute and Department of Pediatrics, University of Melbourne, Royal Children's Hospital, Melbourne, Australia
Department of Neurology.
Cologne Center for Genomics, Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany, Department of Neuropediatrics, University Medical Faculty Giessen and Marburg, Giessen, Germany.
Unit of Pediatric Neurology and Neurorehabilitation, Department of Pediatrics.
Department of Pediatrics, Medical University of Vienna, Vienna, Austria.
Private Practice for Pediatrics, Vienna, Austria.
Department of Neuropediatrics, St. Anna Children's Hospital, Vienna, Austria.
Department of Pediatrics, Medical University of Graz, Graz, Austria.
Department of Pediatrics, Hospital SMZ Süd Kaiser-Franz-Josef Spital, Vienna, Austria.
Department of Pediatrics, Medical University of Innsbruck, Innsbruck, Austria.
Institute of Human Genetics, University of Bonn, Bonn, Germany, Division of Medical Genetics, University Hospital and Department of Biomedicine, University of Basel, Basel, Switzerland.
Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Institute of Genetic Epidemiology, Neuherberg, Germany.
Research Unit of Molecular Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany.
Institute of Clinical Molecular Biology, Christian-Albrechts-University of Kiel, Kiel, Germany.
Department of Neuropathology, University of Bonn Medical Center, Bonn, Germany.
Center for Integrative Genomics, University of LaUSAnne, LaUSAnne, Switzerland, Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia.
Experimental and Clinical Research Center (ECRC) Charité, University Medicine Berlin, Berlin, Germany.
Department of Neurology and Epileptology, Hertie Institute of Clinical Brain Research, University of Tübingen, Tübingen, Germany.
Cologne Center for Genomics, Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany.
Service of Medical Genetics, LaUSAnne University Hospital, LaUSAnne, Switzerland, Swiss Institute of Bioinformatics, LaUSAnne, Switzerland and.
Cologne Center for Genomics.
Service of Medical Genetics, LaUSAnne University Hospital, LaUSAnne, Switzerland.
Center for Integrative Genomics, University of LaUSAnne, LaUSAnne, Switzerland.
Department of Neurology,
Department of Neuropediatrics, University Medical Faculty Giessen and Marburg, Giessen, Germany.
|Citation:||Human Molecular Genetics 2014; 23(22): 6069-6080|
|Abstract:||Rolandic epilepsy (RE) is the most common idiopathic focal childhood epilepsy. Its molecular basis is largely unknown and a complex genetic etiology is assumed in the majority of affected individuals. The present study tested whether six large recurrent copy number variants at 1q21, 15q11.2, 15q13.3, 16p11.2, 16p13.11 and 22q11.2 previously associated with neurodevelopmental disorders also increase risk of RE. Our association analyses revealed a significant excess of the 600 kb genomic duplication at the 16p11.2 locus (chr16: 29.5-30.1 Mb) in 393 unrelated patients with typical (n = 339) and atypical (ARE; n = 54) RE compared with the prevalence in 65,046 European population controls (5/393 cases versus 32/65,046 controls; Fisher's exact test P = 2.83 × 10(-6), odds ratio = 26.2, 95% confidence interval: 7.9-68.2). In contrast, the 16p11.2 duplication was not detected in 1738 European epilepsy patients with either temporal lobe epilepsy (n = 330) and genetic generalized epilepsies (n = 1408), suggesting a selective enrichment of the 16p11.2 duplication in idiopathic focal childhood epilepsies (Fisher's exact test P = 2.1 × 10(-4)). In a subsequent screen among children carrying the 16p11.2 600 kb rearrangement we identified three patients with RE-spectrum epilepsies in 117 duplication carriers (2.6%) but none in 202 carriers of the reciprocal deletion. Our results suggest that the 16p11.2 duplication represents a significant genetic risk factor for typical and atypical RE.|
|Internal ID Number:||24939913|
|Appears in Collections:||Journal articles|
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