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Palmer EE, Sachdev R, Macintosh R, Melo US, Mundlos S, Righetti S, Kandula T, Minoche AE, Puttick C, Gayevskiy V, Hesson L, Idrisoglu S, Shoubridge C, Thai MHN, Davis RL, Drew AP, Sampaio H, Andrews PI, Lawson J, Cardamone M, Mowat D, Colley A, Kummerfeld S, Dinger ME, Cowley MJ, Roscioli T, Bye A, Kirk E. Diagnostic Yield of Whole Genome Sequencing After Nondiagnostic Exome Sequencing or Gene Panel in Developmental and Epileptic Encephalopathies. Neurology 2021; 96:e1770-e1782. [PMID: 33568551 DOI: 10.1212/wnl.0000000000011655] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 12/18/2020] [Indexed: 12/20/2022] Open
Abstract
OBJECTIVE To assess the benefits and limitations of whole genome sequencing (WGS) compared to exome sequencing (ES) or multigene panel (MGP) in the molecular diagnosis of developmental and epileptic encephalopathies (DEE). METHODS We performed WGS of 30 comprehensively phenotyped DEE patient trios that were undiagnosed after first-tier testing, including chromosomal microarray and either research ES (n = 15) or diagnostic MGP (n = 15). RESULTS Eight diagnoses were made in the 15 individuals who received prior ES (53%): 3 individuals had complex structural variants; 5 had ES-detectable variants, which now had additional evidence for pathogenicity. Eleven diagnoses were made in the 15 MGP-negative individuals (68%); the majority (n = 10) involved genes not included in the panel, particularly in individuals with postneonatal onset of seizures and those with more complex presentations including movement disorders, dysmorphic features, or multiorgan involvement. A total of 42% of diagnoses were autosomal recessive or X-chromosome linked. CONCLUSION WGS was able to improve diagnostic yield over ES primarily through the detection of complex structural variants (n = 3). The higher diagnostic yield was otherwise better attributed to the power of re-analysis rather than inherent advantages of the WGS platform. Additional research is required to assist in the assessment of pathogenicity of novel noncoding and complex structural variants and further improve diagnostic yield for patients with DEE and other neurogenetic disorders.
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Affiliation(s)
- Elizabeth Emma Palmer
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia.
| | - Rani Sachdev
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Rebecca Macintosh
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Uirá Souto Melo
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Stefan Mundlos
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Sarah Righetti
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Tejaswi Kandula
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Andre E Minoche
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Clare Puttick
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Velimir Gayevskiy
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Luke Hesson
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Senel Idrisoglu
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Cheryl Shoubridge
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Monica Hong Ngoc Thai
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Ryan L Davis
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Alexander P Drew
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Hugo Sampaio
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Peter Ian Andrews
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - John Lawson
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Michael Cardamone
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - David Mowat
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Alison Colley
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Sarah Kummerfeld
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Marcel E Dinger
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Mark J Cowley
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Tony Roscioli
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Ann Bye
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
| | - Edwin Kirk
- From the School of Women's and Children's Health (E.E.P., R.S., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., M.J.C., A.B., E.K.), The School of Biotechnology and Biomolecular Sciences (M.E.D.), Childrens Cancer Institute (M.J.C.), and NeuRA (T.R.), University of New South Wales; Sydney Childrens Hospital Randwick (E.E.P., R.S., R.M., S.R., T.K., H.S., P.I.A., J.L., M.C., D.M., A.B., E.K.), Sydney Childrens Hospital Network; GOLD Service (E.E.P.), Hunter Genetics; Kinghorn Centre for Clinical Genomics (E.E.P., A.E.M., C.P., V.G., L.H., S.I., R.L.D., A.P.D., S.K., M.J.C.), Garvan Institute of Medical Research, Sydney, Australia; RG Development & Disease (U.S.M., S.M.), Max Planck Institute for Molecular Genetics; Institute for Medical Genetics and Human Genetics (U.S.M., S.M.), Charité-Universitätsmedizin, Berlin, Germany; Faculty of Medicine, Prince of Wales Clinical School (L.H.), and Faculty of Medicine, St Vincents Clinical School (S.K.), UNSW Sydney, Randwick; Adelaide Medical School (C.S., M.H.N.T.), University of Adelaide; Kolling Institute (R.L.D.), University of Sydney; SWSLHD Liverpool Hospital (A.C.), Liverpool; and New South Wales Health Pathology Randwick Genomics Laboratory (T.R., E.K.), Australia
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10
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Stamberger H, Hammer TB, Gardella E, Vlaskamp DRM, Bertelsen B, Mandelstam S, de Lange I, Zhang J, Myers CT, Fenger C, Afawi Z, Almanza Fuerte EP, Andrade DM, Balcik Y, Ben Zeev B, Bennett MF, Berkovic SF, Isidor B, Bouman A, Brilstra E, Busk ØL, Cairns A, Caumes R, Chatron N, Dale RC, de Geus C, Edery P, Gill D, Granild-Jensen JB, Gunderson L, Gunning B, Heimer G, Helle JR, Hildebrand MS, Hollingsworth G, Kharytonov V, Klee EW, Koeleman BPC, Koolen DA, Korff C, Küry S, Lesca G, Lev D, Leventer RJ, Mackay MT, Macke EL, McEntagart M, Mohammad SS, Monin P, Montomoli M, Morava E, Moutton S, Muir AM, Parrini E, Procopis P, Ranza E, Reed L, Reif PS, Rosenow F, Rossi M, Sadleir LG, Sadoway T, Schelhaas HJ, Schneider AL, Shah K, Shalev R, Sisodiya SM, Smol T, Stumpel CTRM, Stuurman K, Symonds JD, Mau-Them FT, Verbeek N, Verhoeven JS, Wallace G, Yosovich K, Zarate YA, Zerem A, Zuberi SM, Guerrini R, Mefford HC, Patel C, Zhang YH, Møller RS, Scheffer IE. NEXMIF encephalopathy: an X-linked disorder with male and female phenotypic patterns. Genet Med 2020; 23:363-373. [PMID: 33144681 DOI: 10.1038/s41436-020-00988-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 09/21/2020] [Accepted: 09/21/2020] [Indexed: 11/09/2022] Open
Abstract
PURPOSE Pathogenic variants in the X-linked gene NEXMIF (previously KIAA2022) are associated with intellectual disability (ID), autism spectrum disorder, and epilepsy. We aimed to delineate the female and male phenotypic spectrum of NEXMIF encephalopathy. METHODS Through an international collaboration, we analyzed the phenotypes and genotypes of 87 patients with NEXMIF encephalopathy. RESULTS Sixty-three females and 24 males (46 new patients) with NEXMIF encephalopathy were studied, with 30 novel variants. Phenotypic features included developmental delay/ID in 86/87 (99%), seizures in 71/86 (83%) and multiple comorbidities. Generalized seizures predominated including myoclonic seizures and absence seizures (both 46/70, 66%), absence with eyelid myoclonia (17/70, 24%), and atonic seizures (30/70, 43%). Males had more severe developmental impairment; females had epilepsy more frequently, and varied from unaffected to severely affected. All NEXMIF pathogenic variants led to a premature stop codon or were deleterious structural variants. Most arose de novo, although X-linked segregation occurred for both sexes. Somatic mosaicism occurred in two males and a family with suspected parental mosaicism. CONCLUSION NEXMIF encephalopathy is an X-linked, generalized developmental and epileptic encephalopathy characterized by myoclonic-atonic epilepsy overlapping with eyelid myoclonia with absence. Some patients have developmental encephalopathy without epilepsy. Males have more severe developmental impairment. NEXMIF encephalopathy arises due to loss-of-function variants.
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Affiliation(s)
- Hannah Stamberger
- Epilepsy Research Centre, Department of Medicine, Austin Health, University of Melbourne, Melbourne, VIC, Australia.,Applied and Translational Neurogenomics group, Center for Molecular Neurology, VIB, and Department of Neurology, University Hospital of Antwerp, University of Antwerp, Antwerpen, Belgium
| | - Trine B Hammer
- Department of Epilepsy Genetics, Danish Epilepsy Centre Filadelfia, Dianalund, Denmark.,Clinical Genetic Department, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Elena Gardella
- Department of Epilepsy Genetics, Danish Epilepsy Centre Filadelfia, Dianalund, Denmark.,Institute for Regional Health Services Research, University of Southern Denmark, Odense, Denmark
| | - Danique R M Vlaskamp
- Epilepsy Research Centre, Department of Medicine, Austin Health, University of Melbourne, Melbourne, VIC, Australia.,University of Groningen, University Medical Center Groningen, Department of Neurology, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Department of Genetics, Groningen, The Netherlands
| | - Birgitte Bertelsen
- Center for Genomic Medicine, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Simone Mandelstam
- Royal Children's Hospital, Melbourne, VIC, Australia.,Murdoch Children's Research Institute, Melbourne, VIC, Australia.,Department of Pediatrics, University of Melbourne, Melbourne, VIC, Australia.,Department of Radiology, University of Melbourne, Melbourne, VIC, Australia.,Florey Institute of Neuroscience and Mental Health, Melbourne, VIC, Australia
| | - Iris de Lange
- Department of Genetics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Jing Zhang
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Candace T Myers
- Division of Genetic Medicine, Department of Pediatrics, University of Washington, Seattle, WA, USA
| | - Christina Fenger
- Department of Epilepsy Genetics, Danish Epilepsy Centre Filadelfia, Dianalund, Denmark
| | - Zaid Afawi
- Tel Aviv University Medical School, Tel Aviv, Israel
| | - Edith P Almanza Fuerte
- Division of Genetic Medicine, Department of Pediatrics, University of Washington, Seattle, WA, USA
| | - Danielle M Andrade
- Division of Neurology, Toronto Western Hospital, University of Toronto, Toronto, ON, Canada
| | - Yunus Balcik
- Epilepsy Center Frankfurt Rhine-Main, Center of Neurology and Neurosurgery, University Hospital Frankfurt, and Center for Personalized Translational Epilepsy Research (CePTER), Goethe-University Frankfurt, Frankfurt am Main, Germany
| | - Bruria Ben Zeev
- Edmond and Lily Safra Children's Hospital, Pediatric Neurology Unit, Tel-Hashomer, Israel.,Tel Aviv University, Sackler School of Medicine, Tel Aviv, Israel
| | - Mark F Bennett
- Epilepsy Research Centre, Department of Medicine, Austin Health, University of Melbourne, Melbourne, VIC, Australia.,The Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology University of Melbourne, Melbourne, VIC, Australia
| | - Samuel F Berkovic
- Epilepsy Research Centre, Department of Medicine, Austin Health, University of Melbourne, Melbourne, VIC, Australia
| | | | - Arjan Bouman
- Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Eva Brilstra
- Department of Genetics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Øyvind L Busk
- Section for Medical Genetics, Telemark Hospital, Skien, Norway
| | - Anita Cairns
- Department of Neurosciences, Queensland Children's Hospital, Brisbane, QLD, Australia
| | - Roseline Caumes
- Service de Neuropédiatrie, Pôle de Médecine et Spécialités Médicales, CHRU de Lille, Lille, France
| | - Nicolas Chatron
- Lyon University Hospitals, Departments of Genetics, Lyon, France
| | - Russell C Dale
- T.Y. Nelson Department of Neurology and Neurosurgery, The Children's Hospital at Westmead, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - Christa de Geus
- University Medical Centre Groningen, Department of Genetics, Groningen, The Netherlands
| | - Patrick Edery
- Lyon University Hospitals, Departments of Genetics, Lyon, France.,INSERM U1028, CNRS UMR5292, Centre de Recherche en Neurosciences de Lyon, GENDEV Team, Bron, France
| | - Deepak Gill
- T.Y. Nelson Department of Neurology and Neurosurgery, The Children's Hospital at Westmead, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | | | - Lauren Gunderson
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA
| | | | - Gali Heimer
- Edmond and Lily Safra Children's Hospital, Pediatric Neurology Unit, Tel-Hashomer, Israel.,Tel Aviv University, Sackler School of Medicine, Tel Aviv, Israel
| | - Johan R Helle
- Section for Medical Genetics, Telemark Hospital, Skien, Norway
| | - Michael S Hildebrand
- Epilepsy Research Centre, Department of Medicine, Austin Health, University of Melbourne, Melbourne, VIC, Australia.,Murdoch Children's Research Institute, Melbourne, VIC, Australia
| | - Georgie Hollingsworth
- Epilepsy Research Centre, Department of Medicine, Austin Health, University of Melbourne, Melbourne, VIC, Australia
| | | | - Eric W Klee
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA.,Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
| | - Bobby P C Koeleman
- Department of Genetics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - David A Koolen
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Christian Korff
- Pediatric Neurology Unit, University Hospitals, Geneva, Switzerland
| | - Sébastien Küry
- Service de génétique médicale, CHU Nantes, Nantes, France
| | - Gaetan Lesca
- Lyon University Hospitals, Departments of Genetics, Lyon, France
| | - Dorit Lev
- Tel Aviv University, Sackler School of Medicine, Tel Aviv, Israel.,Institute of Medical Genetics, Wolfson Medical Center, Holon, Israel
| | - Richard J Leventer
- Royal Children's Hospital, Melbourne, VIC, Australia.,Murdoch Children's Research Institute, Melbourne, VIC, Australia.,Department of Pediatrics, University of Melbourne, Melbourne, VIC, Australia
| | - Mark T Mackay
- Royal Children's Hospital, Melbourne, VIC, Australia.,Murdoch Children's Research Institute, Melbourne, VIC, Australia.,Department of Pediatrics, University of Melbourne, Melbourne, VIC, Australia
| | - Erica L Macke
- Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
| | - Meriel McEntagart
- Medical Genetics, St George's University Hospitals NHS FT, Cranmer Tce, London, United Kingdom
| | - Shekeeb S Mohammad
- T.Y. Nelson Department of Neurology and Neurosurgery, The Children's Hospital at Westmead, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - Pauline Monin
- Lyon University Hospitals, Departments of Genetics, Lyon, France
| | - Martino Montomoli
- Department of Neuroscience, Pharmacology and Child Health, Children's Hospital A. Meyer and University of Florence, Florence, Italy
| | - Eva Morava
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA.,Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
| | - Sebastien Moutton
- CPDPN, Pôle mère enfant, Maison de Santé Protestante Bordeaux Bagatelle, Talence, France.,INSERM UMR1231 GAD, FHU-TRANSLAD, Université de Bourgogne, Dijon, France
| | - Alison M Muir
- Division of Genetic Medicine, Department of Pediatrics, University of Washington, Seattle, WA, USA
| | - Elena Parrini
- Department of Neuroscience, Pharmacology and Child Health, Children's Hospital A. Meyer and University of Florence, Florence, Italy
| | - Peter Procopis
- T.Y. Nelson Department of Neurology and Neurosurgery, The Children's Hospital at Westmead, Faculty of Medicine and Health, University of Sydney, Sydney, Australia.,Discipline of Child and Adolescent Health, Sydney Medical School, University of Sydney, Sydney, NSW, Australia
| | - Emmanuelle Ranza
- Medigenome, Swiss Institute of Genomic Medicine, Geneva, Switzerland
| | - Laura Reed
- Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
| | - Philipp S Reif
- Epilepsy Center Frankfurt Rhine-Main, Center of Neurology and Neurosurgery, University Hospital Frankfurt, and Center for Personalized Translational Epilepsy Research (CePTER), Goethe-University Frankfurt, Frankfurt am Main, Germany
| | - Felix Rosenow
- Epilepsy Center Frankfurt Rhine-Main, Center of Neurology and Neurosurgery, University Hospital Frankfurt, and Center for Personalized Translational Epilepsy Research (CePTER), Goethe-University Frankfurt, Frankfurt am Main, Germany
| | - Massimiliano Rossi
- Lyon University Hospitals, Departments of Genetics, Lyon, France.,INSERM U1028, CNRS UMR5292, Centre de Recherche en Neurosciences de Lyon, GENDEV Team, Bron, France
| | - Lynette G Sadleir
- Department of Paediatrics and Child Health, University of Otago Wellington, Wellington, New Zealand
| | - Tara Sadoway
- Division of Neurology, Toronto Western Hospital, University of Toronto, Toronto, ON, Canada
| | | | - Amy L Schneider
- Epilepsy Research Centre, Department of Medicine, Austin Health, University of Melbourne, Melbourne, VIC, Australia
| | | | - Ruth Shalev
- Neuropaediatric Unit, Shaare Zedek Medical Centre, Hebrew University School of Medicine, Jerusalem, Israel
| | - Sanjay M Sisodiya
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, London, United Kingdom and Chalfont Centre for Epilepsy, Bucks, UK
| | - Thomas Smol
- Institut de Génétique Médicale, Hopital Jeanne de Flandre, Lille University Hospital, Lille, France
| | - Connie T R M Stumpel
- Department of Clinical Genetics and GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Kyra Stuurman
- Department of Clinical Genetics, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Joseph D Symonds
- Paediatric Neurosciences Research Group, Royal Hospital for Children, Glasgow, UK.,College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Frederic Tran Mau-Them
- UF Innovation en diagnostic genomique des maladies rares, CHU Dijon Bourgogne, Dijon, France.,INSERM UMR1231 GAD, Dijon, France
| | - Nienke Verbeek
- Department of Genetics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Judith S Verhoeven
- Academic Center for Epileptology, Kempenhaege, Department of Neurology, Heeze, The Netherlands
| | - Geoffrey Wallace
- Department of Neurosciences, Queensland Children's Hospital, Brisbane, QLD, Australia.,School of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Keren Yosovich
- Molecular Genetics Lab, Wolfson Medical Center, Holon, Israel
| | - Yuri A Zarate
- Section of Genetics and Metabolism, Department of Pediatrics, University of Arkansas for Medical Sciences, Arkansas Children's Hospital, Little Rock, AR, USA
| | - Ayelet Zerem
- Tel Aviv University, Sackler School of Medicine, Tel Aviv, Israel.,White Matter Disease Care, Pediatric Neurology Unit, Dana-Dwak Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Sameer M Zuberi
- Paediatric Neurosciences Research Group, Royal Hospital for Children, Glasgow, UK.,College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Renzo Guerrini
- Department of Neuroscience, Pharmacology and Child Health, Children's Hospital A. Meyer and University of Florence, Florence, Italy
| | - Heather C Mefford
- Division of Genetic Medicine, Department of Pediatrics, University of Washington, Seattle, WA, USA
| | - Chirag Patel
- Genetic Health Queensland, Royal Brisbane and Women's Hospital, Brisbane, QLD, Australia
| | - Yue-Hua Zhang
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Rikke S Møller
- Department of Epilepsy Genetics, Danish Epilepsy Centre Filadelfia, Dianalund, Denmark.,Institute for Regional Health Services Research, University of Southern Denmark, Odense, Denmark
| | - Ingrid E Scheffer
- Epilepsy Research Centre, Department of Medicine, Austin Health, University of Melbourne, Melbourne, VIC, Australia. .,Royal Children's Hospital, Melbourne, VIC, Australia. .,Murdoch Children's Research Institute, Melbourne, VIC, Australia. .,Department of Pediatrics, University of Melbourne, Melbourne, VIC, Australia. .,Florey Institute of Neuroscience and Mental Health, Melbourne, VIC, Australia.
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