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1. MSL2 variants lead to a neurodevelopmental syndrome with lack of coordination, epilepsy, specific dysmorphisms, and a distinct episignature.

Author

Karayol, Remzi, Borroto, Maria, Haghshenas, Sadegheh, Namasivayam, Anoja, Reilly, Jack, Levy, Michael, Relator, Raissa, Kerkhof, Jennifer, McConkey, Haley, Shvedunova, Maria, Petersen, Andrea, Magnussen, Kari, Zweier, Christiane, Vasileiou, Georgia, Reis, André, Savatt, Juliann, Mulligan, Meghan, Bicknell, Louise, Poke, Gemma, Abu-El-Haija, Aya, Duis, Jessica, Hannig, Vickie, Srivastava, Siddharth, Barkoudah, Elizabeth, Hauser, Natalie, van den Born, Myrthe, Hamiel, Uri, Henig, Noa, Baris Feldman, Hagit, McKee, Shane, Krapels, Ingrid, Lei, Yunping, Todorova, Albena, Yordanova, Ralitsa, Atemin, Slavena, Rogac, Mihael, McConnell, Vivienne, Chassevent, Anna, Barañano, Kristin, Shashi, Vandana, Sullivan, Jennifer, Peron, Angela, Iascone, Maria, Canevini, Maria, Friedman, Jennifer, Reyes, Iris, Kierstein, Janell, Shen, Joseph, Ahmed, Faria, Mao, Xiao, Almoguera, Berta, Blanco-Kelly, Fiona, Platzer, Konrad, Treu, Ariana-Berenike, Quilichini, Juliette, Bourgois, Alexia, Chatron, Nicolas, Januel, Louis, Rougeot, Christelle, Carere, Deanna, Monaghan, Kristin, Rousseau, Justine, Myers, Kenneth, Sadikovic, Bekim, Akhtar, Asifa, and Campeau, Philippe

Subjects
MSL2, autism, connective tissue, epigenetics, epilepsy, episignature, iPSC, male-specific lethal complex, neurodevelopmental syndrome, Adolescent, Child, Child, Preschool, Female, Humans, Male, Developmental Disabilities, DNA Methylation, Epigenesis, Genetic, Epilepsy, Histones, Induced Pluripotent Stem Cells, Intellectual Disability, Neurodevelopmental Disorders, Phenotype, Ubiquitin-Protein Ligases
Abstract

Epigenetic dysregulation has emerged as an important etiological mechanism of neurodevelopmental disorders (NDDs). Pathogenic variation in epigenetic regulators can impair deposition of histone post-translational modifications leading to aberrant spatiotemporal gene expression during neurodevelopment. The male-specific lethal (MSL) complex is a prominent multi-subunit epigenetic regulator of gene expression and is responsible for histone 4 lysine 16 acetylation (H4K16ac). Using exome sequencing, here we identify a cohort of 25 individuals with heterozygous de novo variants in MSL complex member MSL2. MSL2 variants were associated with NDD phenotypes including global developmental delay, intellectual disability, hypotonia, and motor issues such as coordination problems, feeding difficulties, and gait disturbance. Dysmorphisms and behavioral and/or psychiatric conditions, including autism spectrum disorder, and to a lesser extent, seizures, connective tissue disease signs, sleep disturbance, vision problems, and other organ anomalies, were observed in affected individuals. As a molecular biomarker, a sensitive and specific DNA methylation episignature has been established. Induced pluripotent stem cells (iPSCs) derived from three members of our cohort exhibited reduced MSL2 levels. Remarkably, while NDD-associated variants in two other members of the MSL complex (MOF and MSL3) result in reduced H4K16ac, global H4K16ac levels are unchanged in iPSCs with MSL2 variants. Regardless, MSL2 variants altered the expression of MSL2 targets in iPSCs and upon their differentiation to early germ layers. Our study defines an MSL2-related disorder as an NDD with distinguishable clinical features, a specific blood DNA episignature, and a distinct, MSL2-specific molecular etiology compared to other MSL complex-related disorders.

Published
2024

2. Null and missense mutations of ERI1 cause a recessive phenotypic dichotomy in humans.

Author

Guo, Long, Salian, Smrithi, Xue, Jing-Yi, Rath, Nicola, Rousseau, Justine, Kim, Hyunyun, Ehresmann, Sophie, Moosa, Shahida, Nakagawa, Norio, Kuroda, Hiroshi, Clayton-Smith, Jill, Wang, Juan, Wang, Zheng, Banka, Siddharth, Jackson, Adam, Zhang, Yan-Min, Wei, Zhen-Jie, Hüning, Irina, Brunet, Theresa, Ohashi, Hirofumi, Thomas, Molly, Bupp, Caleb, Miyake, Noriko, Matsumoto, Naomichi, Mendoza-Londono, Roberto, Costain, Gregory, Hahn, Gabriele, Di Donato, Nataliya, Yigit, Gökhan, Yamada, Takahiro, Nishimura, Gen, Ansel, Karl, Wollnik, Bernd, Hrabě de Angelis, Martin, Mégarbané, André, Rosenfeld, Jill, Heissmeyer, Vigo, Ikegawa, Shiro, and Campeau, Philippe

Subjects
ERI1, exoribonuclease, ribosomopathy, short stature, skeletal dysplasia, spondyloepimetaphyseal dysplasia, Humans, Exoribonucleases, Histones, Mutation, Missense, RNA, Ribosomal, 5.8S, RNA, RNA, Messenger
Abstract

ERI1 is a 3-to-5 exoribonuclease involved in RNA metabolic pathways including 5.8S rRNA processing and turnover of histone mRNAs. Its biological and medical significance remain unclear. Here, we uncover a phenotypic dichotomy associated with bi-allelic ERI1 variants by reporting eight affected individuals from seven unrelated families. A severe spondyloepimetaphyseal dysplasia (SEMD) was identified in five affected individuals with missense variants but not in those with bi-allelic null variants, who showed mild intellectual disability and digital anomalies. The ERI1 missense variants cause a loss of the exoribonuclease activity, leading to defective trimming of the 5.8S rRNA 3 end and a decreased degradation of replication-dependent histone mRNAs. Affected-individual-derived induced pluripotent stem cells (iPSCs) showed impaired in vitro chondrogenesis with downregulation of genes regulating skeletal patterning. Our study establishes an entity previously unreported in OMIM and provides a model showing a more severe effect of missense alleles than null alleles within recessive genotypes, suggesting a key role of ERI1-mediated RNA metabolism in human skeletal patterning and chondrogenesis.

Published
2023

3. Mutations in ACTL6B Cause Neurodevelopmental Deficits and Epilepsy and Lead to Loss of Dendrites in Human Neurons.

Author

Bell, Scott, Rousseau, Justine, Peng, Huashan, Aouabed, Zahia, Priam, Pierre, Theroux, Jean-Francois, Jefri, Malvin, Tanti, Arnaud, Wu, Hanrong, Kolobova, Ilaria, Silviera, Heika, Manzano-Vargas, Karla, Ehresmann, Sophie, Hamdan, Fadi, Hettige, Nuwan, Zhang, Xin, Antonyan, Lilit, Nassif, Christina, Ghaloul-Gonzalez, Lina, Sebastian, Jessica, Vockley, Jerry, Begtrup, Amber, Wentzensen, Ingrid, Crunk, Amy, Nicholls, Robert, Deignan, Joshua, Al-Hertani, Walla, Efthymiou, Stephanie, Salpietro, Vincenzo, Miyake, Noriko, Makita, Yoshio, Matsumoto, Naomichi, Østern, Rune, Houge, Gunnar, Hafström, Maria, Fassi, Emily, Houlden, Henry, Klein Wassink-Ruiter, Jolien, Nelson, Dominic, Goldstein, Amy, Dabir, Tabib, van Gils, Julien, Bourgeron, Thomas, Delorme, Richard, Cooper, Gregory, Martinez, Jose, Finnila, Candice, Carmant, Lionel, Lortie, Anne, Oegema, Renske, van Gassen, Koen, Mehta, Sarju, Huhle, Dagmar, Abou Jamra, Rami, Martin, Sonja, Brunner, Han, Lindhout, Dick, Au, Margaret, Graham, John, Coubes, Christine, Turecki, Gustavo, Gravel, Simon, Mechawar, Naguib, Rossignol, Elsa, Michaud, Jacques, Lessard, Julie, Ernst, Carl, Campeau, Philippe, and Herman, Kristin

Subjects
ACTL6B, genetic engineering, intellectual disability, neurodevelopment, seizure, stem cells, Actins, Adult, Child, Child, Preschool, Chromatin, Chromosomal Proteins, Non-Histone, DNA-Binding Proteins, Dendrites, Epilepsy, Female, Humans, Induced Pluripotent Stem Cells, Infant, Male, Mutation, Neurodevelopmental Disorders, Neurons, Young Adult
Abstract

We identified individuals with variations in ACTL6B, a component of the chromatin remodeling machinery including the BAF complex. Ten individuals harbored bi-allelic mutations and presented with global developmental delay, epileptic encephalopathy, and spasticity, and ten individuals with de novo heterozygous mutations displayed intellectual disability, ambulation deficits, severe language impairment, hypotonia, Rett-like stereotypies, and minor facial dysmorphisms (wide mouth, diastema, bulbous nose). Nine of these ten unrelated individuals had the identical de novo c.1027G>A (p.Gly343Arg) mutation. Human-derived neurons were generated that recaptured ACTL6B expression patterns in development from progenitor cell to post-mitotic neuron, validating the use of this model. Engineered knock-out of ACTL6B in wild-type human neurons resulted in profound deficits in dendrite development, a result recapitulated in two individuals with different bi-allelic mutations, and reversed on clonal genetic repair or exogenous expression of ACTL6B. Whole-transcriptome analyses and whole-genomic profiling of the BAF complex in wild-type and bi-allelic mutant ACTL6B neural progenitor cells and neurons revealed increased genomic binding of the BAF complex in ACTL6B mutants, with corresponding transcriptional changes in several genes including TPPP and FSCN1, suggesting that altered regulation of some cytoskeletal genes contribute to altered dendrite development. Assessment of bi-alleic and heterozygous ACTL6B mutations on an ACTL6B knock-out human background demonstrated that bi-allelic mutations mimic engineered deletion deficits while heterozygous mutations do not, suggesting that the former are loss of function and the latter are gain of function. These results reveal a role for ACTL6B in neurodevelopment and implicate another component of chromatin remodeling machinery in brain disease.

Published
2019

4. Missense Variants in the Histone Acetyltransferase Complex Component Gene TRRAP Cause Autism and Syndromic Intellectual Disability.

Author

Cogné, Benjamin, Ehresmann, Sophie, Beauregard-Lacroix, Eliane, Rousseau, Justine, Besnard, Thomas, Garcia, Thomas, Petrovski, Slavé, Avni, Shiri, McWalter, Kirsty, Blackburn, Patrick R, Sanders, Stephan J, Uguen, Kévin, Harris, Jacqueline, Cohen, Julie S, Blyth, Moira, Lehman, Anna, Berg, Jonathan, Li, Mindy H, Kini, Usha, Joss, Shelagh, von der Lippe, Charlotte, Gordon, Christopher T, Humberson, Jennifer B, Robak, Laurie, Scott, Daryl A, Sutton, Vernon R, Skraban, Cara M, Johnston, Jennifer J, Poduri, Annapurna, Nordenskjöld, Magnus, Shashi, Vandana, Gerkes, Erica H, Bongers, Ernie MHF, Gilissen, Christian, Zarate, Yuri A, Kvarnung, Malin, Lally, Kevin P, Kulch, Peggy A, Daniels, Brina, Hernandez-Garcia, Andres, Stong, Nicholas, McGaughran, Julie, Retterer, Kyle, Tveten, Kristian, Sullivan, Jennifer, Geisheker, Madeleine R, Stray-Pedersen, Asbjorg, Tarpinian, Jennifer M, Klee, Eric W, Sapp, Julie C, Zyskind, Jacob, Holla, Øystein L, Bedoukian, Emma, Filippini, Francesca, Guimier, Anne, Picard, Arnaud, Busk, Øyvind L, Punetha, Jaya, Pfundt, Rolph, Lindstrand, Anna, Nordgren, Ann, Kalb, Fayth, Desai, Megha, Ebanks, Ashley Harmon, Jhangiani, Shalini N, Dewan, Tammie, Coban Akdemir, Zeynep H, Telegrafi, Aida, Zackai, Elaine H, Begtrup, Amber, Song, Xiaofei, Toutain, Annick, Wentzensen, Ingrid M, Odent, Sylvie, Bonneau, Dominique, Latypova, Xénia, Deb, Wallid, CAUSES Study, Redon, Sylvia, Bilan, Frédéric, Legendre, Marine, Troyer, Caitlin, Whitlock, Kerri, Caluseriu, Oana, Murphree, Marine I, Pichurin, Pavel N, Agre, Katherine, Gavrilova, Ralitza, Rinne, Tuula, Park, Meredith, Shain, Catherine, Heinzen, Erin L, Xiao, Rui, Amiel, Jeanne, Lyonnet, Stanislas, Isidor, Bertrand, Biesecker, Leslie G, Lowenstein, Dan, Posey, Jennifer E, and Denommé-Pichon, Anne-Sophie

Subjects
CAUSES Study, Deciphering Developmental Disorders study, Humans, Syndrome, Adaptor Proteins, Signal Transducing, Nuclear Proteins, Prognosis, Autistic Disorder, Amino Acid Sequence, Sequence Homology, Mutation, Missense, Adolescent, Adult, Child, Child, Preschool, Infant, Female, Male, Young Adult, Genetic Association Studies, Intellectual Disability, TRRAP, autism spectrum disorder, congenital malformations, de novo variants, histone acetylation, intellectual disability, neurodevelopmental disorders, Intellectual and Developmental Disabilities (IDD), Pediatric, Genetics, Brain Disorders, Neurosciences, Mental Health, Autism, Rare Diseases, 2.1 Biological and endogenous factors, Aetiology, Mental health, Biological Sciences, Medical and Health Sciences, Genetics & Heredity
Abstract

Acetylation of the lysine residues in histones and other DNA-binding proteins plays a major role in regulation of eukaryotic gene expression. This process is controlled by histone acetyltransferases (HATs/KATs) found in multiprotein complexes that are recruited to chromatin by the scaffolding subunit transformation/transcription domain-associated protein (TRRAP). TRRAP is evolutionarily conserved and is among the top five genes intolerant to missense variation. Through an international collaboration, 17 distinct de novo or apparently de novo variants were identified in TRRAP in 24 individuals. A strong genotype-phenotype correlation was observed with two distinct clinical spectra. The first is a complex, multi-systemic syndrome associated with various malformations of the brain, heart, kidneys, and genitourinary system and characterized by a wide range of intellectual functioning; a number of affected individuals have intellectual disability (ID) and markedly impaired basic life functions. Individuals with this phenotype had missense variants clustering around the c.3127G>A p.(Ala1043Thr) variant identified in five individuals. The second spectrum manifested with autism spectrum disorder (ASD) and/or ID and epilepsy. Facial dysmorphism was seen in both groups and included upslanted palpebral fissures, epicanthus, telecanthus, a wide nasal bridge and ridge, a broad and smooth philtrum, and a thin upper lip. RNA sequencing analysis of skin fibroblasts derived from affected individuals skin fibroblasts showed significant changes in the expression of several genes implicated in neuronal function and ion transport. Thus, we describe here the clinical spectrum associated with TRRAP pathogenic missense variants, and we suggest a genotype-phenotype correlation useful for clinical evaluation of the pathogenicity of the variants.

Published
2019

5. Mutations in PIGS, Encoding a GPI Transamidase, Cause a Neurological Syndrome Ranging from Fetal Akinesia to Epileptic Encephalopathy

Author

Nguyen, Thi Tuyet Mai, Murakami, Yoshiko, Wigby, Kristen M, Baratang, Nissan V, Rousseau, Justine, St-Denis, Anik, Rosenfeld, Jill A, Laniewski, Stephanie C, Jones, Julie, Iglesias, Alejandro D, Jones, Marilyn C, Masser-Frye, Diane, Scheuerle, Angela E, Perry, Denise L, Taft, Ryan J, Le Deist, Françoise, Thompson, Miles, Kinoshita, Taroh, and Campeau, Philippe M

Subjects
Neurodegenerative, Congenital Structural Anomalies, Pediatric, Brain Disorders, Rare Diseases, Genetics, Human Genome, Neurosciences, 2.1 Biological and endogenous factors, Aetiology, Abnormalities, Multiple, Acyltransferases, Arthrogryposis, Cell Line, Cerebellar Ataxia, Child, Child, Preschool, Developmental Disabilities, Epilepsy, Generalized, Female, HEK293 Cells, Humans, Intellectual Disability, Male, Muscle Hypotonia, Mutation, Nervous System Malformations, Pedigree, Seizures, Syndrome, Whole Exome Sequencing, Exome Sequencing, PIGS, epilepsy, glycosylphosphatidylinositol, glycosylphosphatidylinositol biosynthesis defect, inherited GPI deficiency, seizures, Biological Sciences, Medical and Health Sciences, Genetics & Heredity
Abstract

Inherited GPI deficiencies (IGDs) are a subset of congenital disorders of glycosylation that are increasingly recognized as a result of advances in whole-exome sequencing (WES) and whole-genome sequencing (WGS). IGDs cause a series of overlapping phenotypes consisting of seizures, dysmorphic features, multiple congenital malformations, and severe intellectual disability. We present a study of six individuals from three unrelated families in which WES or WGS identified bi-allelic phosphatidylinositol glycan class S (PIGS) biosynthesis mutations. Phenotypes included severe global developmental delay, seizures (partly responding to pyridoxine), hypotonia, weakness, ataxia, and dysmorphic facial features. Two of them had compound-heterozygous variants c.108G>A (p.Trp36∗) and c.101T>C (p.Leu34Pro), and two siblings of another family were homozygous for a deletion and insertion leading to p.Thr439_Lys451delinsArgLeuLeu. The third family had two fetuses with multiple joint contractures consistent with fetal akinesia. They were compound heterozygous for c.923A>G (p.Glu308Gly) and c.468+1G>C, a splicing mutation. Flow-cytometry analyses demonstrated that the individuals with PIGS mutations show a GPI-AP deficiency profile. Expression of the p.Trp36∗ variant in PIGS-deficient HEK293 cells revealed only partial restoration of cell-surface GPI-APs. In terms of both biochemistry and phenotype, loss of function of PIGS shares features with PIGT deficiency and other IGDs. This study contributes to the understanding of the GPI-AP biosynthesis pathway by describing the consequences of PIGS disruption in humans and extending the family of IGDs.

Published
2018

6. Author Correction: CHD3 helicase domain mutations cause a neurodevelopmental syndrome with macrocephaly and impaired speech and language

Author

Snijders Blok, Lot, Rousseau, Justine, Twist, Joanna, Ehresmann, Sophie, Takaku, Motoki, Venselaar, Hanka, Rodan, Lance H., Nowak, Catherine B., Douglas, Jessica, Swoboda, Kathryn J., Steeves, Marcie A., Sahai, Inderneel, Stumpel, Connie T. R. M., Stegmann, Alexander P. A., Wheeler, Patricia, Willing, Marcia, Fiala, Elise, Kochhar, Aaina, Gibson, William T., Cohen, Ana S. A., Agbahovbe, Ruky, Innes, A. Micheil, Au, P. Y. Billie, Rankin, Julia, Anderson, Ilse J., Skinner, Steven A., Louie, Raymond J., Warren, Hannah E., Afenjar, Alexandra, Keren, Boris, Nava, Caroline, Buratti, Julien, Isapof, Arnaud, Rodriguez, Diana, Lewandowski, Raymond, Propst, Jennifer, van Essen, Ton, Choi, Murim, Lee, Sangmoon, Chae, Jong H., Price, Susan, Schnur, Rhonda E., Douglas, Ganka, Wentzensen, Ingrid M., Zweier, Christiane, Reis, André, Bialer, Martin G., Moore, Christine, Koopmans, Marije, Brilstra, Eva H., Monroe, Glen R., van Gassen, Koen L. I., van Binsbergen, Ellen, Newbury-Ecob, Ruth, Bownass, Lucy, Bader, Ingrid, Mayr, Johannes A., Wortmann, Saskia B., Jakielski, Kathy J., Strand, Edythe A., Kloth, Katja, Bierhals, Tatjana, 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, D’Alessandro, 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, Norman, Andrew, O’Shea, 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, Pridham, Abigail, Procter, Annie, Purnell, Hellen, Quarrell, Oliver, Ragge, Nicola, Rahbari, Raheleh, Randall, Josh, 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, Nellåker, Chris, Parker, Michael, Firth, Helen V., Wright, Caroline F., FitzPatrick, David R., Barrett, Jeffrey C., Hurles, Matthew E., Roberts, John D., Petrovich, Robert M., Machida, Shinichi, Kurumizaka, Hitoshi, Lelieveld, Stefan, Pfundt, Rolph, Jansen, Sandra, Deriziotis, Pelagia, Faivre, Laurence, Thevenon, Julien, Assoum, Mirna, Shriberg, Lawrence, Kleefstra, Tjitske, Brunner, Han G., Wade, Paul A., Fisher, Simon E., and Campeau, Philippe M.

Subjects
Male, Models, Molecular, Developmental Disabilities, Gene Expression, General Physics and Astronomy, 02 engineering and technology, Chromatin remodelling, Sociology, lcsh:Science, Independent research, Adenosine Triphosphatases, 0303 health sciences, Multidisciplinary, biology, Health innovation, Disease genetics, Published Erratum, Neurodevelopmental disorders, 021001 nanoscience & nanotechnology, Spelling, 3. Good health, Phenotype, General partnership, Child, Preschool, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, Female, medicine.symptom, Construct (philosophy), 0210 nano-technology, Psychology, Mi-2 Nucleosome Remodeling and Deacetylase Complex, Clinical epigenetics, Genotype, Science, Mutation, Missense, Library science, Child health, Speech Disorders, General Biochemistry, Genetics and Molecular Biology, Domain (software engineering), 03 medical and health sciences, Protein Domains, Intellectual Disability, medicine, Humans, Author Correction, 030304 developmental biology, Research ethics, Language Disorders, Whole Genome Sequencing, Core Grant, Macrocephaly, DNA Helicases, Helicase, General Chemistry, Chromatin Assembly and Disassembly, Megalencephaly, HEK293 Cells, biology.protein, lcsh:Q, Neuroscience, Impaired speech
Abstract

An Author Correction to this article was published on 15 February 2019 An Author Correction to this article was published on 02 May 2019 We thank all individuals and families for their contribution. We thank Amaia Carrion Castillo and Else Eising for assistance with the WGS analysis of the index individual, and Sarah Graham and Elliot Sollis for cloning the wild-type CHD3 construct for immunofluorescence. This work was supported by the Netherlands Organization for Scientific Research (NWO) Gravitation Grant 24.001.006 to the Language in Interaction Consortium (L.S.B., S.E.F., and H.G.B.), the Max Planck Society (S.E.F.), the National Institute on Deafness and Other Communication Disorders Grant DC000496 (L.Sh.) and a core grant to the Waisman Center from the National Institute of Child Health and Human Development (Grant U54 HD090256) to L.Sh., the Canadian Institutes of Health Research Grants MOP-119595 and PJT-148830 to W.T.G. Individuals 11, 16, 24, and 28 were part of The DDD Study cohort. The DDD Study presents independent research commissioned by the Health Innovation Challenge Fund [Grant number HICF-1009-003], a parallel funding partnership between the Wellcome Trust and the Department of Health, and the Wellcome Trust Sanger Institute [Grant number WT098051]. The views expressed in this publication are those of the author(s) and not necessarily those of the Wellcome Trust or the Department of Health. The DDD study has UK Research Ethics Committee approval (10/H0305/83, granted by the Cambridge South REC, and GEN/284/12, granted by the Republic of Ireland REC). The research team acknowledges the support of the National Institute for Health Research, through the Comprehensive Clinical Research Network.

Published
2019

7. Functional correlation of genome-wide DNA methylation profiles in genetic neurodevelopmental disorders

Author

Michael A. Levy, Raissa Relator, Haley McConkey, Erinija Pranckeviciene, Jennifer Kerkhof, Mouna Barat‐Houari, Sara Bargiacchi, Elisa Biamino, María Palomares Bralo, Gerarda Cappuccio, Andrea Ciolfi, Angus Clarke, Barbara R. DuPont, Mariet W. Elting, Laurence Faivre, Timothy Fee, Marco Ferilli, Robin S. Fletcher, Florian Cherick, Aidin Foroutan, Michael J. Friez, Cristina Gervasini, Sadegheh Haghshenas, Benjamin A. Hilton, Zandra Jenkins, Simranpreet Kaur, Suzanne Lewis, Raymond J. Louie, Silvia Maitz, Donatella Milani, Angela T. Morgan, Renske Oegema, Elsebet Østergaard, Nathalie R. Pallares, Maria Piccione, Astrid S. Plomp, Cathryn Poulton, Jack Reilly, Rocio Rius, Stephen Robertson, Kathleen Rooney, Justine Rousseau, Gijs W. E. Santen, Fernando Santos‐Simarro, Josephine Schijns, Gabriella M. Squeo, Miya St John, Christel Thauvin‐Robinet, Giovanna Traficante, Pleuntje J. van der Sluijs, Samantha A. Vergano, Niels Vos, Kellie K. Walden, Dimitar Azmanov, Tugce B. Balci, Siddharth Banka, Jozef Gecz, Peter Henneman, Jennifer A. Lee, Marcel M. A. M. Mannens, Tony Roscioli, Victoria Siu, David J. Amor, Gareth Baynam, Eric G. Bend, Kym Boycott, Nicola Brunetti‐Pierri, Philippe M. Campeau, Dominique Campion, John Christodoulou, David Dyment, Natacha Esber, Jill A. Fahrner, Mark D. Fleming, David Genevieve, Delphine Heron, Thomas Husson, Kristin D. Kernohan, Alisdair McNeill, Leonie A. Menke, Giuseppe Merla, Paolo Prontera, Cheryl Rockman‐Greenberg, Charles Schwartz, Steven A. Skinner, Roger E. Stevenson, Marie Vincent, Antonio Vitobello, Marco Tartaglia, Marielle Alders, Matthew L. Tedder, Bekim Sadikovic, Human genetics, Amsterdam Reproduction & Development (AR&D), Pediatrics, Levy M.A., Relator R., McConkey H., Pranckeviciene E., Kerkhof J., Barat-Houari M., Bargiacchi S., Biamino E., Palomares Bralo M., Cappuccio G., Ciolfi A., Clarke A., DuPont B.R., Elting M.W., Faivre L., Fee T., Ferilli M., Fletcher R.S., Cherick F., Foroutan A., Friez M.J., Gervasini C., Haghshenas S., Hilton B.A., Jenkins Z., Kaur S., Lewis S., Louie R.J., Maitz S., Milani D., Morgan A.T., Oegema R., Ostergaard E., Pallares N.R., Piccione M., Plomp A.S., Poulton C., Reilly J., Rius R., Robertson S., Rooney K., Rousseau J., Santen G.W.E., Santos-Simarro F., Schijns J., Squeo G.M., John M.S., Thauvin-Robinet C., Traficante G., van der Sluijs P.J., Vergano S.A., Vos N., Walden K.K., Azmanov D., Balci T.B., Banka S., Gecz J., Henneman P., Lee J.A., Mannens M.M.A.M., Roscioli T., Siu V., Amor D.J., Baynam G., Bend E.G., Boycott K., Brunetti-Pierri N., Campeau P.M., Campion D., Christodoulou J., Dyment D., Esber N., Fahrner J.A., Fleming M.D., Genevieve D., Heron D., Husson T., Kernohan K.D., McNeill A., Menke L.A., Merla G., Prontera P., Rockman-Greenberg C., Schwartz C., Skinner S.A., Stevenson R.E., Vincent M., Vitobello A., Tartaglia M., Alders M., Tedder M.L., Sadikovic B., Levy, Michael A, Relator, Raissa, Mcconkey, Haley, Pranckeviciene, Erinija, Kerkhof, Jennifer, Barat-Houari, Mouna, Bargiacchi, Sara, Biamino, Elisa, Bralo, María Palomare, Cappuccio, Gerarda, Ciolfi, Andrea, Clarke, Angu, Dupont, Barbara R, Elting, Mariet W, Faivre, Laurence, Fee, Timothy, Ferilli, Marco, Fletcher, Robin S, Cherick, Florian, Foroutan, Aidin, Friez, Michael J, Gervasini, Cristina, Haghshenas, Sadegheh, Hilton, Benjamin A, Jenkins, Zandra, Kaur, Simranpreet, Lewis, Suzanne, Louie, Raymond J, Maitz, Silvia, Milani, Donatella, Morgan, Angela T, Oegema, Renske, Østergaard, Elsebet, Pallares, Nathalie Ruiz, Piccione, Maria, Plomp, Astrid S, Poulton, Cathryn, Reilly, Jack, Rius, Rocio, Robertson, Stephen, Rooney, Kathleen, Rousseau, Justine, Santen, Gijs W E, Santos-Simarro, Fernando, Schijns, Josephine, Squeo, Gabriella Maria, John, Miya St, Thauvin-Robinet, Christel, Traficante, Giovanna, van der Sluijs, Pleuntje J, Vergano, Samantha A, Vos, Niel, Walden, Kellie K, Azmanov, Dimitar, Balci, Tugce B, Banka, Siddharth, Gecz, Jozef, Henneman, Peter, Lee, Jennifer A, Mannens, Marcel M A M, Roscioli, Tony, Siu, Victoria, Amor, David J, Baynam, Gareth, Bend, Eric G, Boycott, Kym, Brunetti-Pierri, Nicola, Campeau, Philippe M, Campion, Dominique, Christodoulou, John, Dyment, David, Esber, Natacha, Fahrner, Jill A, Fleming, Mark D, Genevieve, David, Heron, Delphine, Husson, Thoma, Kernohan, Kristin D, Mcneill, Alisdair, Menke, Leonie A, Merla, Giuseppe, Prontera, Paolo, Rockman-Greenberg, Cheryl, Schwartz, Charle, Skinner, Steven A, Stevenson, Roger E, Vincent, Marie, Vitobello, Antonio, Tartaglia, Marco, Alders, Marielle, Tedder, Matthew L, Sadikovic, Bekim, Human Genetics, General Paediatrics, Graduate School, AGEM - Amsterdam Gastroenterology Endocrinology Metabolism, ARD - Amsterdam Reproduction and Development, ANS - Cellular & Molecular Mechanisms, ANS - Complex Trait Genetics, and ACS - Pulmonary hypertension & thrombosis

Subjects
DNA methylation, clinical diagnostics, Syndrome, DNA methylation, clinical diagnostics, episignatures, neurodevelopmental syndromes, neurodevelopmental syndromes, Epigenesis, Genetic, Neurodevelopmental Disorders, Genetics, Humans, CpG Islands, DNA, Intergenic, episignatures, Episignature, Genetics (clinical)
Abstract

An expanding range of genetic syndromes are characterized by genome-wide disruptions in DNA methylation profiles referred to as episignatures. Episignatures are distinct, highly sensitive and specific biomarkers that have recently been applied in clinical diagnosis of genetic syndromes. Episignatures are contained within the broader disorder-specific genome-wide DNA methylation changes which can share significant overlap amongst different conditions. In this study we performed functional genomic assessment and comparison of disorder-specific and overlapping genome-wide DNA methylation changes related to 65 genetic syndromes with previously described episignatures. We demonstrate evidence of disorder-specific and recurring genome-wide differentially methylated probes (DMPs) and regions (DMRs). The overall distribution of DMPs and DMRs across the majority of the neurodevelopmental genetic syndromes analyzed showed substantial enrichment in gene promoters and CpG islands, and under-representation of the more variable intergenic regions. Analysis showed significant enrichment of the DMPs and DMRs in gene pathways and processes related to neurodevelopment, including neurogenesis, synaptic signaling and synaptic transmission. This study expands beyond the diagnostic utility of DNA methylation episignatures by demonstrating correlation between the function of the mutated genes and the consequent genomic DNA methylation profiles as a key functional element in the molecular etiology of genetic neurodevelopmental disorders. This article is protected by copyright. All rights reserved.

Published
2022

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