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1. Heterozygous Variants in KMT2E Cause a Spectrum of Neurodevelopmental Disorders and Epilepsy

Author

Anne H. O’Donnell-Luria, Lynn S. Pais, Víctor Faundes, Jordan C. Wood, Abigail Sveden, Victor Luria, Rami Abou Jamra, Andrea Accogli, Kimberly Amburgey, Britt Marie Anderlid, Silvia Azzarello-Burri, Alice A. Basinger, Claudia Bianchini, Lynne M. Bird, Rebecca Buchert, Wilfrid Carre, Sophia Ceulemans, Perrine Charles, Helen Cox, Lisa Culliton, Aurora Currò, Florence Demurger, James J. Dowling, Benedicte Duban-Bedu, Christèle Dubourg, Saga Elise Eiset, Luis F. Escobar, Alessandra Ferrarini, Tobias B. Haack, Mona Hashim, Solveig Heide, Katherine L. Helbig, Ingo Helbig, Raul Heredia, Delphine Héron, Bertrand Isidor, Amy R. Jonasson, Pascal Joset, Boris Keren, Fernando Kok, Hester Y. Kroes, Alinoë Lavillaureix, Xin Lu, Saskia M. Maas, Gustavo H.B. Maegawa, Carlo L.M. Marcelis, Paul R. Mark, Marcelo R. Masruha, Heather M. McLaughlin, Kirsty McWalter, Esther U. Melchinger, Saadet Mercimek-Andrews, Caroline Nava, Manuela Pendziwiat, Richard Person, Gian Paolo Ramelli, Luiza L.P. Ramos, Anita Rauch, Caitlin Reavey, Alessandra Renieri, Angelika Rieß, Amarilis Sanchez-Valle, Shifteh Sattar, Carol Saunders, Niklas Schwarz, Thomas Smol, Myriam Srour, Katharina Steindl, Steffen Syrbe, Jenny C. Taylor, Aida Telegrafi, Isabelle Thiffault, Doris A. Trauner, Helio van der Linden, Silvana van Koningsbruggen, Laurent Villard, Ida Vogel, Julie Vogt, Yvonne G. Weber, Ingrid M. Wentzensen, Elysa Widjaja, Jaroslav Zak, Samantha Baxter, Siddharth Banka, Lance H. Rodan, Jeremy F. McRae, Stephen Clayton, Tomas W. Fitzgerald, Joanna Kaplanis, Elena Prigmore, Diana Rajan, Alejandro Sifrim, Stuart Aitken, Nadia Akawi, Mohsan Alvi, Kirsty Ambridge, Daniel M. Barrett, Tanya Bayzetinova, Philip Jones, Wendy D. Jones, Daniel King, Netravathi Krishnappa, Laura E. Mason, Tarjinder Singh, Adrian R. Tivey, Munaza Ahmed, Uruj Anjum, Hayley Archer, Ruth Armstrong, Jana Awada, Meena Balasubramanian, Diana Baralle, Angela Barnicoat, Paul Batstone, David Baty, Chris Bennett, Jonathan Berg, Birgitta Bernhard, A. Paul Bevan, Maria Bitner-Glindzicz, Edward Blair, Moira Blyth, David Bohanna, Louise Bourdon, David Bourn, Lisa Bradley, Angela Brady, Simon Brent, Carole Brewer, Kate Brunstrom, David J. Bunyan, John Burn, Natalie Canham, Bruce Castle, Kate Chandler, Elena Chatzimichali, Deirdre Cilliers, Angus Clarke, Susan Clasper, Jill Clayton-Smith, Virginia Clowes, Andrea Coates, Trevor Cole, Irina Colgiu, Amanda Collins, Morag N. Collinson, Fiona Connell, Nicola Cooper, Lara Cresswell, Gareth Cross, Yanick Crow, Mariella D’Alessandro, Tabib Dabir, Rosemarie Davidson, Sally Davies, Dylan de Vries, John Dean, Charu Deshpande, Gemma Devlin, Abhijit Dixit, Angus Dobbie, Alan Donaldson, Dian Donnai, Deirdre Donnelly, Carina Donnelly, Angela Douglas, Sofia Douzgou, Alexis Duncan, Jacqueline Eason, Sian Ellard, Ian Ellis, Frances Elmslie, Karenza Evans, Sarah Everest, Tina Fendick, Richard Fisher, Frances Flinter, Nicola Foulds, Andrew Fry, Alan Fryer, Carol Gardiner, Lorraine Gaunt, Neeti Ghali, Richard Gibbons, Harinder Gill, Judith Goodship, David Goudie, Emma Gray, Andrew Green, Philip Greene, Lynn Greenhalgh, Susan Gribble, Rachel Harrison, Lucy Harrison, Victoria Harrison, Rose Hawkins, Liu He, Stephen Hellens, Alex Henderson, Sarah Hewitt, Lucy Hildyard, Emma Hobson, Simon Holden, Muriel Holder, Susan Holder, Georgina Hollingsworth, Tessa Homfray, Mervyn Humphreys, Jane Hurst, Ben Hutton, Stuart Ingram, Melita Irving, Lily Islam, Andrew Jackson, Joanna Jarvis, Lucy Jenkins, Diana Johnson, Elizabeth Jones, Dragana Josifova, Shelagh Joss, Beckie Kaemba, Sandra Kazembe, Rosemary Kelsell, Bronwyn Kerr, Helen Kingston, Usha Kini, Esther Kinning, Gail Kirby, Claire Kirk, Emma Kivuva, Alison Kraus, Dhavendra Kumar, V. K. Ajith Kumar, Katherine Lachlan, Wayne Lam, Anne Lampe, Caroline Langman, Melissa Lees, Derek Lim, Cheryl Longman, Gordon Lowther, Sally A. Lynch, Alex Magee, Eddy Maher, Alison Male, Sahar Mansour, Karen Marks, Katherine Martin, Una Maye, Emma McCann, Vivienne McConnell, Meriel McEntagart, Ruth McGowan, Kirsten McKay, Shane McKee, Dominic J. McMullan, Susan McNerlan, Catherine McWilliam, Sarju Mehta, Kay Metcalfe, Anna Middleton, Zosia Miedzybrodzka, Emma Miles, Shehla Mohammed, Tara Montgomery, David Moore, Sian Morgan, Jenny Morton, Hood Mugalaasi, Victoria Murday, Helen Murphy, Swati Naik, Andrea Nemeth, Louise Nevitt, Ruth Newbury-Ecob, Andrew Norman, Rosie O’Shea, Caroline Ogilvie, Kai-Ren Ong, Soo-Mi Park, Michael J. Parker, Chirag Patel, Joan Paterson, Stewart Payne, Daniel Perrett, Julie Phipps, Daniela T. Pilz, Martin Pollard, Caroline Pottinger, Joanna Poulton, Norman Pratt, Katrina Prescott, Sue Price, Abigail Pridham, Annie Procter, Hellen Purnell, Oliver Quarrell, Nicola Ragge, Raheleh Rahbari, Josh Randall, Julia Rankin, Lucy Raymond, Debbie Rice, Leema Robert, Eileen Roberts, Jonathan Roberts, Paul Roberts, Gillian Roberts, Alison Ross, Elisabeth Rosser, Anand Saggar, Shalaka Samant, Julian Sampson, Richard Sandford, Ajoy Sarkar, Susann Schweiger, Richard Scott, Ingrid Scurr, Ann Selby, Anneke Seller, Cheryl Sequeira, Nora Shannon, Saba Sharif, Charles Shaw-Smith, Emma Shearing, Debbie Shears, Eamonn Sheridan, Ingrid Simonic, Roldan Singzon, Zara Skitt, Audrey Smith, Kath Smith, Sarah Smithson, Linda Sneddon, Miranda Splitt, Miranda Squires, Fiona Stewart, Helen Stewart, Volker Straub, Mohnish Suri, Vivienne Sutton, Ganesh Jawahar Swaminathan, Elizabeth Sweeney, Kate Tatton-Brown, Cat Taylor, Rohan Taylor, Mark Tein, I. Karen Temple, Jenny Thomson, Marc Tischkowitz, Susan Tomkins, Audrey Torokwa, Becky Treacy, Claire Turner, Peter Turnpenny, Carolyn Tysoe, Anthony Vandersteen, Vinod Varghese, Pradeep Vasudevan, Parthiban Vijayarangakannan, Emma Wakeling, Sarah Wallwark, Jonathon Waters, Astrid Weber, Diana Wellesley, Margo Whiteford, Sara Widaa, Sarah Wilcox, Emily Wilkinson, Denise Williams, Nicola Williams, Louise Wilson, Geoff Woods, Christopher Wragg, Michael Wright, Laura Yates, Michael Yau, Chris Nellåker, Michael Parker, Helen V. Firth, Caroline F. Wright, David R. FitzPatrick, Jeffrey C. Barrett, Matthew E. Hurles, Department of Medicine 1, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Center for Medical Genetics, Istituto di Scienze e Tecnologie della Cognizione, Consiglio Nazionale delle Ricerche (ISTC, CNR), Istituto di Scienze e Tecnologie della Cognizione, Station biologique de Roscoff [Roscoff] (SBR), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Génétique médicale [Centre Hospitalier de Vannes], Centre hospitalier Bretagne Atlantique (Morbihan) (CHBA), Department of Pediatrics, University of Michigan [Ann Arbor], University of Michigan System-University of Michigan System, Centre de Génétique Chromosomique [Hôpital Saint Vincent de Paul], Hôpital Saint Vincent de Paul-Groupement des Hôpitaux de l'Institut Catholique de Lille (GHICL), Université catholique de Lille (UCL)-Université catholique de Lille (UCL), Institut de Génétique et Développement de Rennes (IGDR), Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS)-Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique ), Service de génétique médicale, Centre Hospitalier Universitaire Vaudois [Lausanne] (CHUV), Institute of Human Genetics, Technische Universität Munchen - Université Technique de Munich [Munich, Allemagne] (TUM)-Helmholtz Zentrum München = German Research Center for Environmental Health, Groupe de Recherche Clinique : Déficience Intellectuelle et Autisme (GRC), Université Pierre et Marie Curie - Paris 6 (UPMC), Children’s Hospital of Philadelphia (CHOP ), Service de Génétique Médicale, Centre hospitalier universitaire de Nantes (CHU Nantes), Department of Public Health Sciences, Karolinska Institutet [Stockholm], Department of Molecular and Human Genetics, Baylor College of Medicine (BCM), Baylor University-Baylor University, Institute of Medical Genetics, Universität Zürich [Zürich] = University of Zurich (UZH), Università degli Studi di Camerino = University of Camerino (UNICAM), Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), University of Oxford, GeneDx [Gaithersburg, MD, USA], Department of Clinical Genetics (Academic Medical Center, University of Amsterdam), VU University Medical Center [Amsterdam], Marseille medical genetics - Centre de génétique médicale de Marseille (MMG), Aix Marseille Université (AMU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Department of Clinical Genetics, Aarhus University Hospital, Boston Children's Hospital, Wellcome Trust Genome Campus, The Wellcome Trust Sanger Institute [Cambridge], Institute of Biomedical Engineering [Oxford] (IBME), Climatic Research Unit, University of East Anglia [Norwich] (UEA), Imperial College London, St Mary's Hospital, East Anglian Medical Genetics Service, Cytogenetics Laboratory, Addenbrooke's Hospital, Sheffield Children's NHS Foundation Trust, Regional Genetic Service, St Mary's Hospital, Manchester, Genetics, University of Southampton, Great Ormond Street Hospital for Children [London] (GOSH), Yorkshire Regional Clinical Genetics Service, Chapel Allerton Hospital, Molecular and Clinical Medicine [Dundee, UK] (School of Medicine), University of Dundee [UK]-Ninewells Hospital & Medical School [Dundee, UK], Department of Clinical Genetics, Oxford Regional Genetics Service, The Churchill hospital, North West Thames Regional Genetics, Northwick Park Hospital, Royal Devon & Exeter Hospital, Wessex Clinical Genetics Service, Wessex clinical genetics service, Manchester University NHS Foundation Trust (MFT), West Midlands Regional Genetics Service, Birmingham Women's and Children's NHS Foundation Trust, Our Lady's hospital for Sick Children, Our Lady's Hospital for Sick Children, Guy's Hospital [London], University Hospitals Leicester, University of Edinburgh, Belfast City Hospital, Ferguson-Smith Centre for Clinical Genetics, Yorkhill Hospitals, Institute of Medical Genetics, Heath Park, Cardiff, The London Clinic, Nottingham City Hospital, Clinical Genetics Department, St Michael's Hospital, Department of Genetic Medicine, Nottingham Clinical Genetics Service, Nottingham University Hospitals NHS Trust (NUH), Royal Devon and Exeter Foundation Trust, Histopathology, St. George's Hospital, Teesside Genetics Unit, James Cook University (JCU), Kansas State University, Liverpool Women's NHS Foundation Trust, Department of Medical Genetics, HMNC Brain Health, North West Thames Regional Genetics Service, Northwick Park Hospital, Harrow, Leicester Royal Infirmary, University Hospitals Leicester-University Hospitals Leicester, Ninewells Hospital and Medical School [Dundee], Academic Centre on Rare Diseases (ACoRD), University College Dublin [Dublin] (UCD), Oxford Brookes University, Institute of medicinal plant development, Chinese Academy of Medical Sciences, Newcastle Upon Tyne Hospitals NHS Trust, Service d'explorations fonctionnelles respiratoires [Lille], Department of Computer Science - Trinity College Dublin, University of Dublin, Department of Clinical Genetics (Sheffield Children’s NHS Foundation Trust), Division of Medical & Molecular Genetics, NHS Greater Glasgow & Clyde [Glasgow] (NHSGGC), Department of Clinical Genetics [Churchill Hospital], Churchill Hospital Oxford Centre for Haematology, Weizmann Institute of Science [Rehovot, Israël], Southampton General Hospital, Western General Hospital, Head of the Department of Medical Genetics, University of Birmingham [Birmingham], SW Thames Regional Genetics Service, St Georgeâ™s University of London, London, Institut Cochin (IC UM3 (UMR 8104 / U1016)), Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), All Wales Medical Genetics Services, Singleton Hospital, Central Manchester University Hospitals NHS Foundation Trust, University of North Texas (UNT), Clinical Genetics, Northern Genetics Service, Newcastle University [Newcastle], United Kingdom Met Office [Exeter], Institute of Medical Genetics (University Hospital of Wales), University Hospital of Wales (UHW), West Midlands Regional Genetics Laboratory and Clinical Genetics Unit, Birmingham Women's Hospital, Laboratory of Molecular Genetics, National Institute of Child Health and Human Development, National Institutes of Health, Department of Genetics, Cell- and Immunobiology, Semmelweis University, University Hospitals Bristol, Marketing (MKT), EESC-GEM Grenoble Ecole de Management, Addenbrookes Hospital, West of Scotland Genetics Service (Queen Elizabeth University Hospital), University Hospital Birmingham Queen Elizabeth, Department of Clnical Genetics, Chapel Allerton Hospital, Department of Clinical Genetics, Northampton General Hospital, Northampton, Royal Devon and Exeter Hospital [Exeter, UK] (RDEH), Guy's and St Thomas' Hospital [London], School of Computer Science, Bangor University, University Hospital Southampton, Clinical Genetics Unit, St Georges, University of London, Medical Genetics, Cardiff University, Research and Development, Futurelab, Nottingham Regional Genetics Service [Nottingham, UK], Nottingham University Hospitals NHS Trust (NUH)-City Hospital Campus [Nottingham, UK], University of St Andrews [Scotland], Clinical Genetics Service, Nottingham University Hospitals NHS Trust - City Hospital Campus, West Midlands Regional Genetics Unit, Department of Neurology, Johns Hopkins University (JHU), Oxford University Hospitals NHS Trust, St James's University Hospital, Leeds Teaching Hospitals NHS Trust, Addenbrooke's Hospital, Cambridge University NHS Trust, Institute of Human Genetics, Newcastle, Division of Biological Stress Response [Amsterdam, The Netherlands], The Netherlands Cancer Institute [Amsterdam, The Netherlands], Johns Hopkins Bloomberg School of Public Health [Baltimore], Birmingham Women’s Hospital, Department of Genetics, Portuguese Oncology Institute, Molecular Genetics, IWK Health Centre, IWK health centre, North West london hospitals NHS Trust, Department of Clinical Genetics (Queen Elizabeth University Hospital, Glasgow), Queen Elizabeth University Hospital (Glasgow), Birmingham women's hospital, Birmingham, Ethox Centre, Department of Public Health and Primary Health Care, University of Oxford, Badenoch Building, Old Road Campus, Headington, R01 HD091846, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Human Genome Research Institute, National Institutes of Health’s National Institute of Child Health and Human Development, Boston Children’s Hospital Faculty Development Fellowship, UM1HG008900, Broad Center for Mendelian Genomics, Chile’s National Commission for Scientific and Technological Research, DFG WE4896/3-1, German Research Society, WT 100127, Health Innovation Challenge Fund, Comprehensive Clinical Research Network, Skaggs-Oxford Scholarship, 10/H0305/83, Cambridge South REC, REC GEN/284/12, Republic of Ireland, WT098051, Wellcome Sanger Institute, 72160007, Comisión Nacional de Investigación Científica y Tecnológica, Children's Hospital of Philadelphia, Technische Universität Kaiserslautern, 1DH1813319, Dietmar Hopp Stiftung, National Institute for Health Research, Department of Health & Social Care, Service de neurologie 1 [CHU Pitié-Salpétrière], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU), Hôpital Saint Vincent de Paul-GHICL, Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique ), Technische Universität Munchen - Université Technique de Munich [Munich, Allemagne] (TUM)-Helmholtz-Zentrum München (HZM)-German Research Center for Environmental Health, Service de Génétique Cytogénétique et Embryologie [CHU Pitié-Salpêtrière], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Università degli Studi di Camerino (UNICAM), University of Oxford [Oxford], Institut National de la Santé et de la Recherche Médicale (INSERM)-Aix Marseille Université (AMU), Nottingham University Hospitals NHS Trust, Nottingham University Hospitals, SW Thames Regional Genetics Service, St George’s University of London, London, University Hospital of Wales, Grenoble Ecole de Management, Royal Devon and Exeter Hospital, City Hospital Campus [Nottingham, UK]-Nottingham University Hospitals NHS Trust [UK], ANS - Complex Trait Genetics, Human Genetics, ARD - Amsterdam Reproduction and Development, ACS - Pulmonary hypertension & thrombosis, Service de Neurologie [CHU Pitié-Salpêtrière], IFR70-CHU Pitié-Salpêtrière [AP-HP], GHICL-Hôpital Saint Vincent de Paul, Centre National de la Recherche Scientifique (CNRS)-Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM), Université Friedrich-Alexander d'Erlangen-Nuremberg, Assistance publique - Hôpitaux de Paris (AP-HP) (APHP)-CHU Pitié-Salpêtrière [APHP], Centre Hospitalier Bretagne Atlantique [Vannes], Technische Universität München [München] (TUM)-Helmholtz-Zentrum München (HZM)-German Research Center for Environmental Health, Service de Génétique et Cytogénétique [CHU Pitié-Salpêtrière], University of Zürich [Zürich] (UZH), Università di Camerino (UNICAM), Birmingham Women's Hospital Healthcare NHS Trust, University Hospitals of Leicester, Sheffield Children’s Hospital, Weizmann Institute of Science, and Grenoble Ecole de Management (GEM)

Subjects
0301 basic medicine, Male, Microcephaly, [SDV]Life Sciences [q-bio], Haploinsufficiency, autism, epilepsy, epileptic encephalopathy, global developmental delay, H3K4 methylation, intellectual disability, KMT2E, neurodevelopmental disorder, Adolescent, Adult, Child, Child, Preschool, DNA-Binding Proteins, Epilepsy, Female, Humans, Infant, Neurodevelopmental Disorders, Pedigree, Phenotype, Young Adult, Genetic Variation, Heterozygote, 0302 clinical medicine, Neurodevelopmental disorder, Intellectual disability, Global developmental delay, Genetics (clinical), ComputingMilieux_MISCELLANEOUS, Genetics, 0303 health sciences, Hypotonia, 030220 oncology & carcinogenesis, medicine.symptom, Rare cancers Radboud Institute for Health Sciences [Radboudumc 9], 03 medical and health sciences, Report, medicine, Journal Article, Expressivity (genetics), Preschool, 030304 developmental biology, [SDV.GEN]Life Sciences [q-bio]/Genetics, business.industry, Macrocephaly, medicine.disease, 030104 developmental biology, [SDV.GEN.GH]Life Sciences [q-bio]/Genetics/Human genetics, Autism, business, 030217 neurology & neurosurgery
Abstract

Contains fulltext : 206572.pdf (Publisher’s version ) (Open Access) We delineate a KMT2E-related neurodevelopmental disorder on the basis of 38 individuals in 36 families. This study includes 31 distinct heterozygous variants in KMT2E (28 ascertained from Matchmaker Exchange and three previously reported), and four individuals with chromosome 7q22.2-22.23 microdeletions encompassing KMT2E (one previously reported). Almost all variants occurred de novo, and most were truncating. Most affected individuals with protein-truncating variants presented with mild intellectual disability. One-quarter of individuals met criteria for autism. Additional common features include macrocephaly, hypotonia, functional gastrointestinal abnormalities, and a subtle facial gestalt. Epilepsy was present in about one-fifth of individuals with truncating variants and was responsive to treatment with anti-epileptic medications in almost all. More than 70% of the individuals were male, and expressivity was variable by sex; epilepsy was more common in females and autism more common in males. The four individuals with microdeletions encompassing KMT2E generally presented similarly to those with truncating variants, but the degree of developmental delay was greater. The group of four individuals with missense variants in KMT2E presented with the most severe developmental delays. Epilepsy was present in all individuals with missense variants, often manifesting as treatment-resistant infantile epileptic encephalopathy. Microcephaly was also common in this group. Haploinsufficiency versus gain-of-function or dominant-negative effects specific to these missense variants in KMT2E might explain this divergence in phenotype, but requires independent validation. Disruptive variants in KMT2E are an under-recognized cause of neurodevelopmental abnormalities.

Published
2019
Full Text
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2. Bi-allelic Loss-of-Function CACNA1B Mutations in Progressive Epilepsy-Dyskinesia

Author

Kathleen M. Gorman, Esther Meyer, Detelina Grozeva, Egidio Spinelli, Amy McTague, Alba Sanchis-Juan, Keren J. Carss, Emily Bryant, Adi Reich, Amy L. Schneider, Ronit M. Pressler, Michael A. Simpson, Geoff D. Debelle, Evangeline Wassmer, Jenny Morton, Diana Sieciechowicz, Eric Jan-Kamsteeg, Alex R. Paciorkowski, Mary D. King, J. Helen Cross, Annapurna Poduri, Heather C. Mefford, Ingrid E. Scheffer, Tobias B. Haack, Gary McCullagh, John J. Millichap, Gemma L. Carvill, Jill Clayton-Smith, Eamonn R. Maher, F. Lucy Raymond, Manju A. Kurian, Jeremy F. McRae, Stephen Clayton, Tomas W. Fitzgerald, Joanna Kaplanis, Elena Prigmore, Diana Rajan, Alejandro Sifrim, Stuart Aitken, Nadia Akawi, Mohsan Alvi, Kirsty Ambridge, Daniel M. Barrett, Tanya Bayzetinova, Philip Jones, Wendy D. Jones, Daniel King, Netravathi Krishnappa, Laura E. Mason, Tarjinder Singh, Adrian R. Tivey, Munaza Ahmed, Uruj Anjum, Hayley Archer, Ruth Armstrong, Jana Awada, Meena Balasubramanian, Siddharth Banka, Diana Baralle, Angela Barnicoat, Paul Batstone, David Baty, Chris Bennett, Jonathan Berg, Birgitta Bernhard, A. Paul Bevan, Maria Bitner-Glindzicz, Edward Blair, Moira Blyth, David Bohanna, Louise Bourdon, David Bourn, Lisa Bradley, Angela Brady, Simon Brent, Carole Brewer, Kate Brunstrom, David J. Bunyan, John Burn, Natalie Canham, Bruce Castle, Kate Chandler, Elena Chatzimichali, Deirdre Cilliers, Angus Clarke, Susan Clasper, Virginia Clowes, Andrea Coates, Trevor Cole, Irina Colgiu, Amanda Collins, Morag N. Collinson, Fiona Connell, Nicola Cooper, Helen Cox, Lara Cresswell, Gareth Cross, Yanick Crow, Mariella D’Alessandro, Tabib Dabir, Rosemarie Davidson, Sally Davies, Dylan de Vries, John Dean, Charu Deshpande, Gemma Devlin, Abhijit Dixit, Angus Dobbie, Alan Donaldson, Dian Donnai, Deirdre Donnelly, Carina Donnelly, Angela Douglas, Sofia Douzgou, Alexis Duncan, Jacqueline Eason, Sian Ellard, Ian Ellis, Frances Elmslie, Karenza Evans, Sarah Everest, Tina Fendick, Richard Fisher, Frances Flinter, Nicola Foulds, Andrew Fry, Alan Fryer, Carol Gardiner, Lorraine Gaunt, Neeti Ghali, Richard Gibbons, Harinder Gill, Judith Goodship, David Goudie, Emma Gray, Andrew Green, Philip Greene, Lynn Greenhalgh, Susan Gribble, Rachel Harrison, Lucy Harrison, Victoria Harrison, Rose Hawkins, Liu He, Stephen Hellens, Alex Henderson, Sarah Hewitt, Lucy Hildyard, Emma Hobson, Simon Holden, Muriel Holder, Susan Holder, Georgina Hollingsworth, Tessa Homfray, Mervyn Humphreys, Jane Hurst, Ben Hutton, Stuart Ingram, Melita Irving, Lily Islam, Andrew Jackson, Joanna Jarvis, Lucy Jenkins, Diana Johnson, Elizabeth Jones, Dragana Josifova, Shelagh Joss, Beckie Kaemba, Sandra Kazembe, Rosemary Kelsell, Bronwyn Kerr, Helen Kingston, Usha Kini, Esther Kinning, Gail Kirby, Claire Kirk, Emma Kivuva, Alison Kraus, Dhavendra Kumar, V. K. Ajith Kumar, Katherine Lachlan, Wayne Lam, Anne Lampe, Caroline Langman, Melissa Lees, Derek Lim, Cheryl Longman, Gordon Lowther, Sally A. Lynch, Alex Magee, Eddy Maher, Alison Male, Sahar Mansour, Karen Marks, Katherine Martin, Una Maye, Emma McCann, Vivienne McConnell, Meriel McEntagart, Ruth McGowan, Kirsten McKay, Shane McKee, Dominic J. McMullan, Susan McNerlan, Catherine McWilliam, Sarju Mehta, Kay Metcalfe, Anna Middleton, Zosia Miedzybrodzka, Emma Miles, Shehla Mohammed, Tara Montgomery, David Moore, Sian Morgan, Hood Mugalaasi, Victoria Murday, Helen Murphy, Swati Naik, Andrea Nemeth, Louise Nevitt, Ruth Newbury-Ecob, Andrew Norman, Rosie O’Shea, Caroline Ogilvie, Kai-Ren Ong, Soo-Mi Park, Michael J. Parker, Chirag Patel, Joan Paterson, Stewart Payne, Daniel Perrett, Julie Phipps, Daniela T. Pilz, Martin Pollard, Caroline Pottinger, Joanna Poulton, Norman Pratt, Katrina Prescott, Sue Price, Abigail Pridham, Annie Procter, Hellen Purnell, Oliver Quarrell, Nicola Ragge, Raheleh Rahbari, Josh Randall, Julia Rankin, Lucy Raymond, Debbie Rice, Leema Robert, Eileen Roberts, Jonathan Roberts, Paul Roberts, Gillian Roberts, Alison Ross, Elisabeth Rosser, Anand Saggar, Shalaka Samant, Julian Sampson, Richard Sandford, Ajoy Sarkar, Susann Schweiger, Richard Scott, Ingrid Scurr, Ann Selby, Anneke Seller, Cheryl Sequeira, Nora Shannon, Saba Sharif, Charles Shaw-Smith, Emma Shearing, Debbie Shears, Eamonn Sheridan, Ingrid Simonic, Roldan Singzon, Zara Skitt, Audrey Smith, Kath Smith, Sarah Smithson, Linda Sneddon, Miranda Splitt, Miranda Squires, Fiona Stewart, Helen Stewart, Volker Straub, Mohnish Suri, Vivienne Sutton, Ganesh Jawahar Swaminathan, Elizabeth Sweeney, Kate Tatton-Brown, Cat Taylor, Rohan Taylor, Mark Tein, I. Karen Temple, Jenny Thomson, Marc Tischkowitz, Susan Tomkins, Audrey Torokwa, Becky Treacy, Claire Turner, Peter Turnpenny, Carolyn Tysoe, Anthony Vandersteen, Vinod Varghese, Pradeep Vasudevan, Parthiban Vijayarangakannan, Julie Vogt, Emma Wakeling, Sarah Wallwark, Jonathon Waters, Astrid Weber, Diana Wellesley, Margo Whiteford, Sara Widaa, Sarah Wilcox, Emily Wilkinson, Denise Williams, Nicola Williams, Louise Wilson, Geoff Woods, Christopher Wragg, Michael Wright, Laura Yates, Michael Yau, Chris Nellåker, Michael Parker, Helen V. Firth, Caroline F. Wright, David R. FitzPatrick, Jeffrey C. Barrett, Matthew E. Hurles, Saeed Al Turki, Carl Anderson, Richard Anney, Dinu Antony, Maria Soler Artigas, Muhammad Ayub, Senduran Balasubramaniam, Inês Barroso, Phil Beales, Jamie Bentham, Shoumo Bhattacharya, Ewan Birney, Douglas Blackwood, Martin Bobrow, Elena Bochukova, Patrick Bolton, Rebecca Bounds, Chris Boustred, Gerome Breen, Mattia Calissano, Keren Carss, Krishna Chatterjee, Lu Chen, Antonio Ciampi, Sebhattin Cirak, Peter Clapham, Gail Clement, Guy Coates, David Collier, Catherine Cosgrove, Tony Cox, Nick Craddock, Lucy Crooks, Sarah Curran, David Curtis, Allan Daly, Aaron Day-Williams, Ian N.M. Day, Thomas Down, Yuanping Du, Ian Dunham, Sarah Edkins, Peter Ellis, David Evans, Sadaf Faroogi, Ghazaleh Fatemifar, David R. Fitzpatrick, Paul Flicek, James Flyod, A. Reghan Foley, Christopher S. Franklin, Marta Futema, Louise Gallagher, Matthias Geihs, Daniel Geschwind, Heather Griffin, Xueqin Guo, Xiaosen Guo, Hugh Gurling, Deborah Hart, Audrey Hendricks, Peter Holmans, Bryan Howie, Liren Huang, Tim Hubbard, Steve E. Humphries, Pirro Hysi, David K. Jackson, Yalda Jamshidi, Tian Jing, Chris Joyce, Jane Kaye, Thomas Keane, Julia Keogh, John Kemp, Karen Kennedy, Anja Kolb-Kokocinski, Genevieve Lachance, Cordelia Langford, Daniel Lawson, Irene Lee, Monkol Lek, Jieqin Liang, Hong Lin, Rui Li, Yingrui Li, Ryan Liu, Jouko Lönnqvist, Margarida Lopes, Valentina Iotchkova, Daniel MacArthur, Jonathan Marchini, John Maslen, Mangino Massimo, Iain Mathieson, Gaëlle Marenne, Peter McGuffin, Andrew McIntosh, Andrew G. McKechanie, Andrew McQuillin, Sarah Metrustry, Hannah Mitchison, Alireza Moayyeri, James Morris, Francesco Muntoni, Kate Northstone, Michael O'Donnovan, Alexandros Onoufriadis, Stephen O'Rahilly, Karim Oualkacha, Michael J. Owen, Aarno Palotie, Kalliope Panoutsopoulou, Victoria Parker, Jeremy R. Parr, Lavinia Paternoster, Tiina Paunio, Felicity Payne, Olli Pietilainen, Vincent Plagnol, Lydia Quaye, Michael A. Quail, Karola Rehnström, Susan Ring, Graham R.S. Ritchie, Nicola Roberts, David B. Savage, Peter Scambler, Stephen Schiffels, Miriam Schmidts, Nadia Schoenmakers, Robert K. Semple, Eva Serra, Sally I. Sharp, So-Youn Shin, David Skuse, Kerrin Small, Lorraine Southam, Olivera Spasic-Boskovic, David St Clair, Jim Stalker, Elizabeth Stevens, Beate St Pourcian, Jianping Sun, Jaana Suvisaari, Ionna Tachmazidou, Martin D. Tobin, Ana Valdes, Margriet Van Kogelenberg, Peter M. Visscher, Louise V. Wain, James T.R. Walters, Guangbiao Wang, Jun Wang, Yu Wang, Kirsten Ward, Elanor Wheeler, Tamieka Whyte, Hywel Williams, Kathleen A. Williamson, Crispian Wilson, Kim Wong, ChangJiang Xu, Jian Yang, Fend Zhang, Pingbo Zhang, Timothy Aitman, Hana Alachkar, Sonia Ali, Louise Allen, David Allsup, Gautum Ambegaonkar, Julie Anderson, Richard Antrobus, Gavin Arno, Gururaj Arumugakani, Sofie Ashford, William Astle, Antony Attwood, Steve Austin, Chiara Bacchelli, Tamam Bakchoul, Tadbir K. Bariana, Helen Baxendale, David Bennett, Claire Bethune, Shahnaz Bibi, Marta Bleda, Harm Boggard, Paula Bolton-Maggs, Claire Booth, John R. Bradley, Angie Brady, Matthew Brown, Michael Browning, Christine Bryson, Siobhan Burns, Paul Calleja, Jenny Carmichael, Mark Caulfield, Elizabeth Chalmers, Anita Chandra, Patrick Chinnery, Manali Chitre, Colin Church, Emma Clement, Naomi Clements-Brod, Gerry Coghlan, Peter Collins, Nichola Cooper, Amanda Creaser-Myers, Rosa DaCosta, Louise Daugherty, Sophie Davies, John Davis, Minka De Vries, Patrick Deegan, Sri V.V. Deevi, Lisa Devlin, Eleanor Dewhurst, Rainer Doffinger, Natalie Dormand, Elizabeth Drewe, David Edgar, William Egner, Wendy N. Erber, Marie Erwood, Tamara Everington, Remi Favier, Helen Firth, Debra Fletcher, James C. Fox, Amy Frary, Kathleen Freson, Bruce Furie, Abigail Furnell, Daniel Gale, Alice Gardham, Michael Gattens, Pavandeep K. Ghataorhe, Rohit Ghurye, Simon Gibbs, Kimberley Gilmour, Paul Gissen, Sarah Goddard, Keith Gomez, Pavel Gordins, Stefan Gräf, Daniel Greene, Alan Greenhalgh, Andreas Greinacher, Sofia Grigoriadou, Scott Hackett, Charaka Hadinnapola, Rosie Hague, Matthias Haimel, Csaba Halmagyi, Tracey Hammerton, Daniel Hart, Grant Hayman, Johan W.M. Heemskerk, Robert Henderson, Anke Hensiek, Yvonne Henskens, Archana Herwadkar, Fengyuan Hu, Aarnoud Huissoon, Marc Humbert, Roger James, Stephen Jolles, Rashid Kazmi, David Keeling, Peter Kelleher, Anne M. Kelly, Fiona Kennedy, David Kiely, Nathalie Kingston, Ania Koziell, Deepa Krishnakumar, Taco W. Kuijpers, Dinakantha Kumararatne, Manju Kurian, Michael A. Laffan, Michele P. Lambert, Hana Lango Allen, Allan Lawrie, Sara Lear, Claire Lentaigne, Ri Liesner, Rachel Linger, Hilary Longhurst, Lorena Lorenzo, Rajiv Machado, Rob Mackenzie, Robert MacLaren, Eamonn Maher, Jesmeen Maimaris, Sarah Mangles, Ania Manson, Rutendo Mapeta, Hugh S. Markus, Jennifer Martin, Larahmie Masati, Mary Mathias, Vera Matser, Anna Maw, Elizabeth McDermott, Coleen McJannet, Stuart Meacham, Sharon Meehan, Karyn Megy, Michel Michaelides, Carolyn M. Millar, Shahin Moledina, Anthony Moore, Nicholas Morrell, Andrew Mumford, Sai Murng, Elaine Murphy, Sergey Nejentsev, Sadia Noorani, Paquita Nurden, Eric Oksenhendler, Willem H. Ouwehand, Sofia Papadia, Alasdair Parker, John Pasi, Chris Patch, Jeanette Payne, Andrew Peacock, Kathelijne Peerlinck, Christopher J. Penkett, Joanna Pepke-Zaba, David J. Perry, Val Pollock, Gary Polwarth, Mark Ponsford, Waseem Qasim, Isabella Quinti, Stuart Rankin, Karola Rehnstrom, Evan Reid, Christopher J. Rhodes, Michael Richards, Sylvia Richardson, Alex Richter, Irene Roberts, Matthew Rondina, Catherine Roughley, Kevin Rue-Albrecht, Crina Samarghitean, Saikat Santra, Ravishankar Sargur, Sinisa Savic, Sol Schulman, Harald Schulze, Marie Scully, Suranjith Seneviratne, Carrock Sewell, Olga Shamardina, Debbie Shipley, Ilenia Simeoni, Suthesh Sivapalaratnam, Kenneth Smith, Aman Sohal, Laura Southgate, Simon Staines, Emily Staples, Hans Stauss, Penelope Stein, Jonathan Stephens, Kathleen Stirrups, Sophie Stock, Jay Suntharalingam, R. Campbell Tait, Kate Talks, Yvonne Tan, Jecko Thachil, James Thaventhiran, Ellen Thomas, Moira Thomas, Dorothy Thompson, Adrian Thrasher, Catherine Titterton, Cheng-Hock Toh, Mark Toshner, Carmen Treacy, Richard Trembath, Salih Tuna, Wojciech Turek, Ernest Turro, Chris Van Geet, Marijke Veltman, Julie von Ziegenweldt, Anton Vonk Noordegraaf, Ivy Wanjiku, Timothy Q. Warner, Hugh Watkins, Andrew Webster, Steve Welch, Sarah Westbury, John Wharton, Deborah Whitehorn, Martin Wilkins, Lisa Willcocks, Catherine Williamson, Geoffrey Woods, John Wort, Nigel Yeatman, Patrick Yong, Tim Young, Ping Yu, Paediatric Infectious Diseases / Rheumatology / Immunology, ARD - Amsterdam Reproduction and Development, Pediatric surgery, APH - Aging & Later Life, Molecular cell biology and Immunology, Pulmonary medicine, ACS - Pulmonary hypertension & thrombosis, and APH - Quality of Care

Subjects
0301 basic medicine, Male, Adolescent, Loss of Heterozygosity, Context (language use), Postnatal microcephaly, Neurotransmission, medicine.disease_cause, Bioinformatics, Synaptic Transmission, Loss of heterozygosity, 03 medical and health sciences, Epilepsy, 0302 clinical medicine, Calcium Channels, N-Type, Report, Genetics, medicine, Humans, Child, Genetics (clinical), Mutation, Dyskinesias, business.industry, Infant, medicine.disease, Hypotonia, Pedigree, 030104 developmental biology, Dyskinesia, Child, Preschool, Calcium, Female, medicine.symptom, business, 030217 neurology & neurosurgery
Abstract

© 2019 American Society of Human Genetics The occurrence of non-epileptic hyperkinetic movements in the context of developmental epileptic encephalopathies is an increasingly recognized phenomenon. Identification of causative mutations provides an important insight into common pathogenic mechanisms that cause both seizures and abnormal motor control. We report bi-allelic loss-of-function CACNA1B variants in six children from three unrelated families whose affected members present with a complex and progressive neurological syndrome. All affected individuals presented with epileptic encephalopathy, severe neurodevelopmental delay (often with regression), and a hyperkinetic movement disorder. Additional neurological features included postnatal microcephaly and hypotonia. Five children died in childhood or adolescence (mean age of death: 9 years), mainly as a result of secondary respiratory complications. CACNA1B encodes the pore-forming subunit of the pre-synaptic neuronal voltage-gated calcium channel Cav2.2/N-type, crucial for SNARE-mediated neurotransmission, particularly in the early postnatal period. Bi-allelic loss-of-function variants in CACNA1B are predicted to cause disruption of Ca2+ influx, leading to impaired synaptic neurotransmission. The resultant effect on neuronal function is likely to be important in the development of involuntary movements and epilepsy. Overall, our findings provide further evidence for the key role of Cav2.2 in normal human neurodevelopment.

Published
2018
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3. Histone Lysine Methylases and Demethylases in the Landscape of Human Developmental Disorders

Author

Víctor Faundes, William G. Newman, Laura Bernardini, Natalie Canham, Jill Clayton-Smith, Bruno Dallapiccola, Sally J. Davies, Michelle K. Demos, Amy Goldman, Harinder Gill, Rachel Horton, Bronwyn Kerr, Dhavendra Kumar, Anna Lehman, Shane McKee, Jenny Morton, Michael J. Parker, Julia Rankin, Lisa Robertson, I. Karen Temple, Siddharth Banka, Shelin Adam, Christèle du Souich, Alison M. Elliott, Jill Mwenifumbo, Tanya N. Nelson, Clara van Karnebeek, Jan M. Friedman, Jeremy F. McRae, Stephen Clayton, Tomas W. Fitzgerald, Joanna Kaplanis, Elena Prigmore, Diana Rajan, Alejandro Sifrim, Stuart Aitken, Nadia Akawi, Mohsan Alvi, Kirsty Ambridge, Daniel M. Barrett, Tanya Bayzetinova, Philip Jones, Wendy D. Jones, Daniel King, Netravathi Krishnappa, Laura E. Mason, Tarjinder Singh, Adrian R. Tivey, Munaza Ahmed, Uruj Anjum, Hayley Archer, Ruth Armstrong, Jana Awada, Meena Balasubramanian, Diana Baralle, Angela Barnicoat, Paul Batstone, David Baty, Chris Bennett, Jonathan Berg, Birgitta Bernhard, A. Paul Bevan, Maria Bitner-Glindzicz, Edward Blair, Moira Blyth, David Bohanna, Louise Bourdon, David Bourn, Lisa Bradley, Angela Brady, Simon Brent, Carole Brewer, Kate Brunstrom, David J. Bunyan, John Burn, Bruce Castle, Kate Chandler, Elena Chatzimichali, Deirdre Cilliers, Angus Clarke, Susan Clasper, Virginia Clowes, Andrea Coates, Trevor Cole, Irina Colgiu, Amanda Collins, Morag N. Collinson, Fiona Connell, Nicola Cooper, Helen Cox, Lara Cresswell, Gareth Cross, Yanick Crow, Mariella D’Alessandro, Tabib Dabir, Rosemarie Davidson, Sally Davies, Dylan de Vries, John Dean, Charu Deshpande, Gemma Devlin, Abhijit Dixit, Angus Dobbie, Alan Donaldson, Dian Donnai, Deirdre Donnelly, Carina Donnelly, Angela Douglas, Sofia Douzgou, Alexis Duncan, Jacqueline Eason, Sian Ellard, Ian Ellis, Frances Elmslie, Karenza Evans, Sarah Everest, Tina Fendick, Richard Fisher, Frances Flinter, Nicola Foulds, Andrew Fry, Alan Fryer, Carol Gardiner, Lorraine Gaunt, Neeti Ghali, Richard Gibbons, Judith Goodship, David Goudie, Emma Gray, Andrew Green, Philip Greene, Lynn Greenhalgh, Susan Gribble, Rachel Harrison, Lucy Harrison, Victoria Harrison, Rose Hawkins, Liu He, Stephen Hellens, Alex Henderson, Sarah Hewitt, Lucy Hildyard, Emma Hobson, Simon Holden, Muriel Holder, Susan Holder, Georgina Hollingsworth, Tessa Homfray, Mervyn Humphreys, Jane Hurst, Ben Hutton, Stuart Ingram, Melita Irving, Lily Islam, Andrew Jackson, Joanna Jarvis, Lucy Jenkins, Diana Johnson, Elizabeth Jones, Dragana Josifova, Shelagh Joss, Beckie Kaemba, Sandra Kazembe, Rosemary Kelsell, Helen Kingston, Usha Kini, Esther Kinning, Gail Kirby, Claire Kirk, Emma Kivuva, Alison Kraus, V.K. Ajith Kumar, Katherine Lachlan, Wayne Lam, Anne Lampe, Caroline Langman, Melissa Lees, Derek Lim, Cheryl Longman, Gordon Lowther, Sally A. Lynch, Alex Magee, Eddy Maher, Alison Male, Sahar Mansour, Karen Marks, Katherine Martin, Una Maye, Emma McCann, Vivienne McConnell, Meriel McEntagart, Ruth McGowan, Kirsten McKay, Dominic J. McMullan, Susan McNerlan, Catherine McWilliam, Sarju Mehta, Kay Metcalfe, Anna Middleton, Zosia Miedzybrodzka, Emma Miles, Shehla Mohammed, Tara Montgomery, David Moore, Sian Morgan, Hood Mugalaasi, Victoria Murday, Helen Murphy, Swati Naik, Andrea Nemeth, Louise Nevitt, Ruth Newbury-Ecob, Andrew Norman, Rosie O’Shea, Caroline Ogilvie, Kai-Ren Ong, Soo-Mi Park, Chirag Patel, Joan Paterson, Stewart Payne, Daniel Perrett, Julie Phipps, Daniela T. Pilz, Martin Pollard, Caroline Pottinger, Joanna Poulton, Norman Pratt, Katrina Prescott, Sue Price, Abigail Pridham, Annie Procter, Hellen Purnell, Oliver Quarrell, Nicola Ragge, Raheleh Rahbari, Josh Randall, Lucy Raymond, Debbie Rice, Leema Robert, Eileen Roberts, Jonathan Roberts, Paul Roberts, Gillian Roberts, Alison Ross, Elisabeth Rosser, Anand Saggar, Shalaka Samant, Julian Sampson, Richard Sandford, Ajoy Sarkar, Susann Schweiger, Richard Scott, Ingrid Scurr, Ann Selby, Anneke Seller, Cheryl Sequeira, Nora Shannon, Saba Sharif, Charles Shaw-Smith, Emma Shearing, Debbie Shears, Eamonn Sheridan, Ingrid Simonic, Roldan Singzon, Zara Skitt, Audrey Smith, Kath Smith, Sarah Smithson, Linda Sneddon, Miranda Splitt, Miranda Squires, Fiona Stewart, Helen Stewart, Volker Straub, Mohnish Suri, Vivienne Sutton, Ganesh Jawahar Swaminathan, Elizabeth Sweeney, Kate Tatton-Brown, Cat Taylor, Rohan Taylor, Mark Tein, Jenny Thomson, Marc Tischkowitz, Susan Tomkins, Audrey Torokwa, Becky Treacy, Claire Turner, Peter Turnpenny, Carolyn Tysoe, Anthony Vandersteen, Vinod Varghese, Pradeep Vasudevan, Parthiban Vijayarangakannan, Julie Vogt, Emma Wakeling, Sarah Wallwark, Jonathon Waters, Astrid Weber, Diana Wellesley, Margo Whiteford, Sara Widaa, Sarah Wilcox, Emily Wilkinson, Denise Williams, Nicola Williams, Louise Wilson, Geoff Woods, Christopher Wragg, Michael Wright, Laura Yates, Michael Yau, Chris Nellåker, Michael Parker, Helen V. Firth, Caroline F. Wright, David R. FitzPatrick, Jeffrey C. Barrett, and Matthew E. . Hurles

Subjects
0301 basic medicine, ASH1L, Male, Methyltransferase, Adolescent, Histone lysine methylation, KMT5B, Developmental Disabilities, Haploinsufficiency, Biology, Compound heterozygosity, histone lysine methyltransferase, Chromatin remodeling, chromatin remodeling, 03 medical and health sciences, histone lysine demethylase, Report, Genetics, Humans, Child, Genetics (clinical), Regulation of gene expression, Histone Demethylases, Developmental disorders, KMT2C, KMT2B, Histone-Lysine N-Methyltransferase, 030104 developmental biology, Histone, Overgrowth syndrome, Child, Preschool, Mutation, biology.protein, KDM5B, Female
Abstract

Histone lysine methyltransferases (KMTs) and demethylases (KDMs) underpin gene regulation. Here we demonstrate that variants causing haploinsufficiency of KMTs and KDMs are frequently encountered in individuals with developmental disorders. Using a combination of human variation databases and existing animal models, we determine 22 KMTs and KDMs as additional candidates for dominantly inherited developmental disorders. We show that KMTs and KDMs that are associated with, or are candidates for, dominant developmental disorders tend to have a higher level of transcription, longer canonical transcripts, more interactors, and a higher number and more types of post-translational modifications than other KMT and KDMs. We provide evidence to firmly associate KMT2C, ASH1L, and KMT5B haploinsufficiency with dominant developmental disorders. Whereas KMT2C or ASH1L haploinsufficiency results in a predominantly neurodevelopmental phenotype with occasional physical anomalies, KMT5B mutations cause an overgrowth syndrome with intellectual disability. We further expand the phenotypic spectrum of KMT2B-related disorders and show that some individuals can have severe developmental delay without dystonia at least until mid-childhood. Additionally, we describe a recessive histone lysine-methylation defect caused by homozygous or compound heterozygous KDM5B variants and resulting in a recognizable syndrome with developmental delay, facial dysmorphism, and camptodactyly. Collectively, these results emphasize the significance of histone lysine methylation in normal human development and the importance of this process in human developmental disorders. Our results demonstrate that systematic clinically oriented pathway-based analysis of genomic data can accelerate the discovery of rare genetic disorders.

Published
2017
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4. Variants in the fetal genome near FLT1 are associated with risk of preeclampsia

Author

Anita Haugan, Sigrun Hjartardottir, Gulnara Svyatova, Hannele Laivuori, Ralph McGinnis, Scott Shooter, Per Magnus, James J. Walker, Linda M. Morgan, Susan E. Hiby, Unnur Thorsteinsdottir, Tiina Jääskeläinen, Nigel Simpson, Debbie A Lawlor, Vivien A. Dolby, Reynir Tómas Geirsson, Valgerdur Steinthorsdottir, Juan P. Casas, Lill Trogstad, Eleonora Staines-Urias, Ann-Charlotte Iversen, Dilbar Najmutdinova, Stephanie M. Engel, Nodira Zakhidova, John P. Kemp, Kari Stefansson, Håkon K. Gjessing, Anna F. Dominiczak, Fiona Broughton Pipkin, Lucy Hildyard, Gudmar Thorleifsson, Noor Kalsheker, Lilja Stefansdottir, Eero Kajantie, Ashley Moffett, Sandosh Padmanabhan, Frank Dudbridge, Suzannah Bumpstead, Jon K. Sigurdsson, Liv Cecilie Vestrheim Thomsen, Nicholas Williams, Gabriela Silva, Sally Chappell, and Wai K. Lee

Subjects
0301 basic medicine, Genotype, Offspring, Population, Genome-wide association study, Locus (genetics), 030204 cardiovascular system & hematology, Biology, Pregnancy Proteins, Bioinformatics, Polymorphism, Single Nucleotide, Preeclampsia, Cohort Studies, 03 medical and health sciences, 0302 clinical medicine, Fetus, Pre-Eclampsia, Pregnancy, Genetics, medicine, Humans, Genetic Predisposition to Disease, education, reproductive and urinary physiology, Genetic association, education.field_of_study, Vascular Endothelial Growth Factor Receptor-1, Genome, Human, medicine.disease, female genital diseases and pregnancy complications, 3. Good health, 030104 developmental biology, embryonic structures, Female, Follow-Up Studies, Genome-Wide Association Study
Abstract

Ralph McGinnis, Valgerdur Steinthorsdottir, Linda Morgan and colleagues perform a genome-wide association study in the offspring of preeclampsia pregnancies and identify variants in the fetal genome near FLT1 that are associated with risk of preeclampsia. FLT1 is known to encode an isoform of placental origin implicated in the pathology of preeclampsia, providing biological support for the association of this locus with preeclampsia risk. Preeclampsia, which affects approximately 5% of pregnancies, is a leading cause of maternal and perinatal death1. The causes of preeclampsia remain unclear, but there is evidence for inherited susceptibility2. Genome-wide association studies (GWAS) have not identified maternal sequence variants of genome-wide significance that replicate in independent data sets3,4. We report the first GWAS of offspring from preeclamptic pregnancies and discovery of the first genome-wide significant susceptibility locus (rs4769613; P = 5.4 × 10−11) in 4,380 cases and 310,238 controls. This locus is near the FLT1 gene encoding Fms-like tyrosine kinase 1, providing biological support, as a placental isoform of this protein (sFlt-1) is implicated in the pathology of preeclampsia5. The association was strongest in offspring from pregnancies in which preeclampsia developed during late gestation and offspring birth weights exceeded the tenth centile. An additional nearby variant, rs12050029, associated with preeclampsia independently of rs4769613. The newly discovered locus may enhance understanding of the pathophysiology of preeclampsia and its subtypes.

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5. Prevalence, phenotype and architecture of developmental disorders caused by de novo mutation: The Deciphering Developmental Disorders Study

Author

Nicola S. Cooper, S Samant, H Purnell, Claire L. S. Turner, A Vandersteen, Alex Magee, Susan Tomkins, Louise C. Wilson, L Greenhalgh, IK Temple, Irina Colgiu, A Duncan, G Cross, Susan E. Holder, C Wragg, Deirdre E. Donnelly, Nadia Akawi, Linda Sneddon, Eamonn Sheridan, Wendy D Jones, I Ellis, David Bourn, Joanna Poulton, Ingrid Simonic, R Singzon, Lisa Bradley, Matthew E. Hurles, Meena Balasubramanian, Dominic J. McMullan, Trevor Cole, Gillian Roberts, J Thomson, Moira Blyth, G Hollingsworth, Neeti Ghali, Alex Henderson, Zara Skitt, E Roberts, G Woods, David Goudie, J Awada, Caroline Langman, U Anjum, Martin O. Pollard, Usha Kini, Stephen Clayton, J Burn, Daniel M Barrett, Vka Kumar, Angela E. Douglas, Natalie Canham, Ruth Armstrong, Denise Williams, C Shaw-Smith, Lorraine Gaunt, S Ingram, Edward Blair, K Brunstrom, O. W.J. Quarrell, Ben Hutton, Nora Shannon, S Wallwark, Laura E Mason, Sarah F. Smithson, Jeremy F. McRae, Amanda L. Collins, Shane McKee, Katrina Prescott, Lara Cresswell, Sofia Douzgou, L Islam, C Deshpande, J Waters, Anna Middleton, S-M Park, Tarjinder Singh, Liu He, M Tein, T Fendick, B Kaemba, Tara Montgomery, Michael Wright, Jenny Morton, J Roberts, Emma Hobson, Caroline Mackie Ogilvie, Katrina Tatton-Brown, Lucy Jenkins, A Coates, Abhijit Dixit, Deborah J. Shears, Kath Smith, D. Baty, D Lim, D Cilliers, Richard Gibbons, Ruth Newbury-Ecob, M Squires, Nicola K. Ragge, Anneke Seller, E Kivuva, Kay Metcalfe, Fiona Stewart, K Marks, Elisabeth Rosser, R Fisher, Andrew E. Fry, Joan Paterson, Diana Wellesley, Dian Donnai, Christopher P. Bennett, Jonathan Berg, Ganesh J. Swaminathan, Lucy Raymond, Sally Ann Lynch, Pradeep C. Vasudevan, Rosemarie Davidson, Melita Irving, John Dean, Margo Whiteford, Melissa Lees, S Payne, K-R Ong, Emma Gray, M Holder, Dragana Josifova, Claire Kirk, McConnell, Helen Cox, Sarju G. Mehta, Elena Prigmore, Emma Shearing, Anand Saggar, Angela Barnicoat, Alejandro Sifrim, Nicola Foulds, Katherine Martin, Joanna Kaplanis, Sahar Mansour, Kirsty Ambridge, Clowes, A Procter, Z Miedzybrodzka, Katherine Lachlan, S Schweiger, E Maher, Allyson Ross, Simon Brent, C Sequeira, Tabib Dabir, Netravathi Krishnappa, Andrew Smith, B Bernhard, Andrew Green, Sara Widaa, Daniel A. King, Astrid Weber, Harinder Gill, Frances Flinter, Ruth McGowan, Siddharth Banka, Susan E. McNerlan, Elizabeth M. Sweeney, L Nevitt, Michael Parker, Hood Mugalaasi, AP Bevan, L Harrison, Varghese, Lucy Hildyard, Murday, G Kirby, S Clasper, Sutton, Clare Taylor, Andrew Jackson, A Selby, E Wilkinson, Miranda Splitt, Stuart Aitken, Shelagh Joss, Fiona Connell, Julie Vogt, Jill Clayton-Smith, Alan Fryer, N Pratt, Parthiban Vijayarangakannan, Shehla Mohammed, Susan Price, Wayne Lam, Peter D. Turnpenny, C Tysoe, Raheleh Rahbari, Marc Tischkowitz, N Williams, Tessa Homfray, Maria Bitner-Glindzicz, Helen Murphy, Meriel M. McEntagart, Sian Ellard, M Ahmed, R O'Shea, Andrew R. Norman, Daniel Perrett, Harrison, Philip Greene, David Moore, R Hawkins, DT Pilz, FitzPatrick, P Batstone, Esther Kinning, Caroline F. Wright, Yanick J. Crow, Kate Chandler, C Donnelly, Leema Robert, Straub, Susan M. Gribble, Philip Jones, D de Vries, K Evans, Simon J. Davies, Diana Baralle, E Miles, Jeffrey C. Barrett, A Lampe, Joshua C. Randall, Bruce Castle, K McKay, D Rice, Becky Treacy, Richard H Scott, Rosemary Kelsell, Angela F. Brady, Julian R. Sampson, J Jarvis, Laura Yates, R Sandford, Hayley Archer, M Yau, Mohnish Suri, Caroline Pottinger, Dhavendra Kumar, R. Taylor, Alison Kraus, L Bourdon, Alan Donaldson, S Everest, S Kazembe, Sian Morgan, C Longman, Ingrid Scurr, Alison Male, Ajoy Sarkar, Helen Kingston, Emma McCann, Julie M. Phipps, Andrea H. Németh, A Pridham, D Bohanna, C Gardiner, Diana Johnson, Tomas W Fitzgerald, Eleni A. Chatzimichali, A Dobbie, Diana Rajan, Frances Elmslie, Mohsan Alvi, Pendaran Roberts, Bronwyn Kerr, M D'Alessandro, Elizabeth A. Jones, Simon Holden, U Maye, Helen V. Firth, J Rankin, H. Stewart, S Naik, Adrian Tivey, Chirag N. Patel, Tanya Bayzetinova, G Lowther, G Devlin, A Torokwa, DJ Bunyan, Judith A. Goodship, Sarah Hewitt, Emma Wakeling, Christoffer Nellåker, S Wilcox, Saba Sharif, MN Collinson, C Brewer, Jacqueline Eason, C McWilliam, Jane A. Hurst, Angus John Clarke, Mervyn Humphreys, and Stephen W. Hellens

Subjects
Genetics, 0303 health sciences, education.field_of_study, Genetic heterogeneity, Population, Biology, Phenotype, DNA sequencing, 03 medical and health sciences, 0302 clinical medicine, education, Indel, Gene, Exome, 030217 neurology & neurosurgery, Exome sequencing, 030304 developmental biology
Abstract

Individuals with severe, undiagnosed developmental disorders (DDs) are enriched for damaging de novo mutations (DNMs) in developmentally important genes. We exome sequenced 4,293 families with individuals with DDs, and meta-analysed these data with published data on 3,287 individuals with similar disorders. We show that the most significant factors influencing the diagnostic yield of de novo mutations are the sex of the affected individual, the relatedness of their parents and the age of both father and mother. We identified 94 genes enriched for damaging de novo mutation at genome-wide significance (P < 7 × 10−7), including 14 genes for which compelling data for causation was previously lacking. We have characterised the phenotypic diversity among these genetic disorders. We demonstrate that, at current cost differentials, exome sequencing has much greater power than genome sequencing for novel gene discovery in genetically heterogeneous disorders. We estimate that 42% of our cohort carry pathogenic DNMs (single nucleotide variants and indels) in coding sequences, with approximately half operating by a loss-of-function mechanism, and the remainder resulting in altered-function (e.g. activating, dominant negative). We established that most haplo insufficient developmental disorders have already been identified, but that many altered-function disorders remain to be discovered. Extrapolating from the DDD cohort to the general population, we estimate that developmental disorders caused by DNMs have an average birth prevalence of 1 in 213 to 1 in 448 (0.22-0.47% of live births), depending on parental age.AbbreviationsPTVProtein-Truncating VariantDNMDe Novo MutationDDDevelopmental DisorderDDDDeciphering Developmental Disorders study

6. The Royal Descents of 600 Immigrants. To the American Colonies or the United States Who Were Themselves Notable or Left Descendants Notable in American History. With a 2008 Addendum, Coda, and Final Addition

Author

Gary Boyd Roberts and Gary Boyd Roberts

Subjects
Nobility--Great Britain--Genealogy, Families of royal descent
Abstract

Once again Gary Boyd Roberts has assembled all recent royal descent research, some yet unpublished, and produced an authoritative, up-to-date compendium. In this 2008 edition, he has added twenty-eight new immigrants, so that with a few disproofs (Curwens/Corwins of Massachusetts and New York, Byes of Pennsylvania, and Edwardses, one Evans and Hugh Jones of Pennsylvania), the total covered is now 688. The 387 colonial immigrants whose'best'lines are charted in this work include all but a handful of colonists for whom royal descent is now considered proved. Among the 387, the following 180 left ten or more notable descendants each and are ancestors collectively of probably over 100 million living Americans.

Published
2008

7. Prevalence and architecture of de novo mutations in developmental disorders

Author

McRae, Jeremy F., Clayton, Stephen, Fitzgerald, Tomas W., Kaplanis, Joanna, Prigmore, Elena, Rajan, Diana, Sifrim, Alejandro, Aitken, Stuart, Akawi, Nadia, Alvi, Mohsan, Ambridge, Kirsty, Barrett, Daniel M., Bayzetinova, Tanya, Jones, Philip, Jones, Wendy D., King, Daniel, Krishnappa, Netravathi, Mason, Laura E., Singh, Tarjinder, Tivey, Adrian R., Ahmed, Munaza, Anjum, Uruj, Archer, Hayley, Armstrong, Ruth, Awada, Jana, Balasubramanian, Meena, Banka, Siddharth, Baralle, Diana, Barnicoat, Angela, Batstone, Paul, Baty, David, Bennett, Chris, Berg, Jonathan, Bernhard, Birgitta, Bevan, A. Paul, Bitner-Glindzicz, Maria, Blair, Edward, Blyth, Moira, Bohanna, David, Bourdon, Louise, Bourn, David, Bradley, Lisa, Brady, Angela, Brent, Simon, Brewer, Carole, Brunstrom, Kate, Bunyan, David J., Burn, John, Canham, Natalie, Castle, Bruce, Chandler, Kate, Chatzimichali, Elena, Cilliers, Deirdre, Clarke, Angus, Clasper, Susan, Clayton-Smith, Jill, Clowes, Virginia, Coates, Andrea, Cole, Trevor, Colgiu, Irina, Collins, Amanda, Collinson, Morag N., Connell, Fiona, Cooper, Nicola, Cox, Helen, Cresswell, Lara, Cross, Gareth, Crow, Yanick, DAlessandro, Mariella, Dabir, Tabib, Davidson, Rosemarie, Davies, Sally, de Vries, Dylan, Dean, John, Deshpande, Charu, Devlin, Gemma, Dixit, Abhijit, Dobbie, Angus, Donaldson, Alan, Donnai, Dian, Donnelly, Deirdre, Donnelly, Carina, Douglas, Angela, Douzgou, Sofia, Duncan, Alexis, Eason, Jacqueline, Ellard, Sian, Ellis, Ian, Elmslie, Frances, Evans, Karenza, Everest, Sarah, Fendick, Tina, Fisher, Richard, Flinter, Frances, Foulds, Nicola, Fry, Andrew, Fryer, Alan, Gardiner, Carol, Gaunt, Lorraine, Ghali, Neeti, Gibbons, Richard, Gill, Harinder, Goodship, Judith, Goudie, David, Gray, Emma, Green, Andrew, Greene, Philip, Greenhalgh, Lynn, Gribble, Susan, Harrison, Rachel, Harrison, Lucy, Harrison, Victoria, Hawkins, Rose, He, Liu, Hellens, Stephen, Henderson, Alex, Hewitt, Sarah, Hildyard, Lucy, Hobson, Emma, Holden, Simon, Holder, Muriel, Holder, Susan, Hollingsworth, Georgina, Homfray, Tessa, Humphreys, Mervyn, Hurst, Jane, Hutton, Ben, Ingram, Stuart, Irving, Melita, Islam, Lily, Jackson, Andrew, Jarvis, Joanna, Jenkins, Lucy, Johnson, Diana, Jones, Elizabeth, Josifova, Dragana, Joss, Shelagh, Kaemba, Beckie, Kazembe, Sandra, Kelsell, Rosemary, Kerr, Bronwyn, Kingston, Helen, Kini, Usha, Kinning, Esther, Kirby, Gail, Kirk, Claire, Kivuva, Emma, Kraus, Alison, Kumar, Dhavendra, Kumar, V. K. Ajith, Lachlan, Katherine, Lam, Wayne, Lampe, Anne, Langman, Caroline, Lees, Melissa, Lim, Derek, Longman, Cheryl, Lowther, Gordon, Lynch, Sally A., Magee, Alex, Maher, Eddy, Male, Alison, Mansour, Sahar, Marks, Karen, Martin, Katherine, Maye, Una, McCann, Emma, McConnell, Vivienne, McEntagart, Meriel, McGowan, Ruth, McKay, Kirsten, McKee, Shane, McMullan, Dominic J., McNerlan, Susan, McWilliam, Catherine, Mehta, Sarju, Metcalfe, Kay, Middleton, Anna, Miedzybrodzka, Zosia, Miles, Emma, Mohammed, Shehla, Montgomery, Tara, Moore, David, Morgan, Sian, Morton, Jenny, Mugalaasi, Hood, Murday, Victoria, Murphy, Helen, Naik, Swati, Nemeth, Andrea, Nevitt, Louise, Newbury-Ecob, Ruth, Norman, Andrew, OShea, Rosie, Ogilvie, Caroline, Ong, Kai-Ren, Park, Soo-Mi, Parker, Michael J., Patel, Chirag, Paterson, Joan, Payne, Stewart, Perrett, Daniel, Phipps, Julie, Pilz, Daniela T., Pollard, Martin, Pottinger, Caroline, Poulton, Joanna, Pratt, Norman, Prescott, Katrina, Price, Sue, Pridham, Abigail, Procter, Annie, Purnell, Hellen, Quarrell, Oliver, Ragge, Nicola, Rahbari, Raheleh, Randall, Josh, Rankin, Julia, Raymond, Lucy, Rice, Debbie, Robert, Leema, Roberts, Eileen, Roberts, Jonathan, Roberts, Paul, Roberts, Gillian, Ross, Alison, Rosser, Elisabeth, Saggar, Anand, Samant, Shalaka, Sampson, Julian, Sandford, Richard, Sarkar, Ajoy, Schweiger, Susann, Scott, Richard, Scurr, Ingrid, Selby, Ann, Seller, Anneke, Sequeira, Cheryl, Shannon, Nora, Sharif, Saba, Shaw-Smith, Charles, Shearing, Emma, Shears, Debbie, Sheridan, Eamonn, Simonic, Ingrid, Singzon, Roldan, Skitt, Zara, Smith, Audrey, Smith, Kath, Smithson, Sarah, Sneddon, Linda, Splitt, Miranda, Squires, Miranda, Stewart, Fiona, Stewart, Helen, Straub, Volker, Suri, Mohnish, Sutton, Vivienne, Swaminathan, Ganesh Jawahar, Sweeney, Elizabeth, Tatton-Brown, Kate, Taylor, Cat, Taylor, Rohan, Tein, Mark, Temple, I. Karen, Thomson, Jenny, Tischkowitz, Marc, Tomkins, Susan, Torokwa, Audrey, Treacy, Becky, Turner, Claire, Turnpenny, Peter, Tysoe, Carolyn, Vandersteen, Anthony, Varghese, Vinod, Vasudevan, Pradeep, Vijayarangakannan, Parthiban, Vogt, Julie, Wakeling, Emma, Wallwark, Sarah, Waters, Jonathon, Weber, Astrid, Wellesley, Diana, Whiteford, Margo, Widaa, Sara, Wilcox, Sarah, Wilkinson, Emily, Williams, Denise, Williams, Nicola, Wilson, Louise, Woods, Geoff, Wragg, Christopher, Wright, Michael, Yates, Laura, Yau, Michael, Nellker, Chris, Parker, Michael, Firth, Helen V., Wright, Caroline F., FitzPatrick, David R., Barrett, Jeffrey C., and Hurles, Matthew E.

Subjects
Distribution, Genetic aspects, Company distribution practices, Developmental disabilities -- Genetic aspects, Genetic disorders -- Distribution
Abstract

Author(s): Deciphering Developmental Disorders Study; Jeremy F. McRae [1]; Stephen Clayton [1]; Tomas W. Fitzgerald [1]; Joanna Kaplanis [1]; Elena Prigmore [1]; Diana Rajan [1]; Alejandro Sifrim [1]; Stuart Aitken [...], The genomes of individuals with severe, undiagnosed developmental disorders are enriched in damaging de novo mutations (DNMs) in developmentally important genes. Here we have sequenced the exomes of 4,293 families containing individuals with developmental disorders, and meta-analysed these data with data from another 3,287 individuals with similar disorders. We show that the most important factors influencing the diagnostic yield of DNMs are the sex of the affected individual, the relatedness of their parents, whether close relatives are affected and the parental ages. We identified 94 genes enriched in damaging DNMs, including 14 that previously lacked compelling evidence of involvement in developmental disorders. We have also characterized the phenotypic diversity among these disorders. We estimate that 42% of our cohort carry pathogenic DNMs in coding sequences; approximately half of these DNMs disrupt gene function and the remainder result in altered protein function. We estimate that developmental disorders caused by DNMs have an average prevalence of 1 in 213 to 1 in 448 births, depending on parental age. Given current global demographics, this equates to almost 400,000 children born per year.

Published
2017
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