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3. Novel variants in KAT6B spectrum of disorders expand our knowledge of clinical manifestations and molecular mechanisms

Author

Yabumoto, Megan, Kianmahd, Jessica, Singh, Meghna, Palafox, Maria F, Wei, Angela, Elliott, Kathryn, Goodloe, Dana H, Dean, S Joy, Gooch, Catherine, Murray, Brianna K, Swartz, Erin, Vergano, Samantha A Schrier, Towne, Meghan C, Nugent, Kimberly, Roeder, Elizabeth R, Kresge, Christina, Pletcher, Beth A, Grand, Katheryn, Graham, John M, Gates, Ryan, Gomez‐Ospina, Natalia, Ramanathan, Subhadra, Clark, Robin Dawn, Glaser, Kimberly, Benke, Paul J, Cohen, Julie S, Fatemi, Ali, Mu, Weiyi, Baranano, Kristin W, Madden, Jill A, Gubbels, Cynthia S, Yu, Timothy W, Agrawal, Pankaj B, Chambers, Mary‐Kathryn, Phornphutkul, Chanika, Pugh, John A, Tauber, Kate A, Azova, Svetlana, Smith, Jessica R, O’Donnell‐Luria, Anne, Medsker, Hannah, Srivastava, Siddharth, Krakow, Deborah, Schweitzer, Daniela N, and Arboleda, Valerie A

Subjects
Biological Sciences, Genetics, Brain Disorders, Congenital Structural Anomalies, Clinical Research, Pediatric, Intellectual and Developmental Disabilities (IDD), Rare Diseases, Genetic Testing, Aetiology, 2.1 Biological and endogenous factors, Congenital, Abnormalities, Multiple, Alleles, Blepharophimosis, Cohort Studies, Congenital Hypothyroidism, Craniofacial Abnormalities, Facies, Genetic Association Studies, Genetic Counseling, Genetic Loci, Genetic Predisposition to Disease, Genotype, Heart Defects, Congenital, Histone Acetyltransferases, Humans, Intellectual Disability, Joint Instability, Kidney, Male, Mutation, Patella, Phenotype, Psychomotor Disorders, Scrotum, Urogenital Abnormalities, CRISPR, Genitopatellar syndrome, KAT6B-related disorders, phenotypic spectrum, Say-Barber-Biesecker-Young-Simpson syndrome, variable expressivity, rare genetic diagnosis, variable expressivity, rare genetic diagnosis, Medicinal and Biomolecular Chemistry, Clinical Sciences, Medicinal and biomolecular chemistry
Abstract

The phenotypic variability associated with pathogenic variants in Lysine Acetyltransferase 6B (KAT6B, a.k.a. MORF, MYST4) results in several interrelated syndromes including Say-Barber-Biesecker-Young-Simpson Syndrome and Genitopatellar Syndrome. Here we present 20 new cases representing 10 novel KAT6B variants. These patients exhibit a range of clinical phenotypes including intellectual disability, mobility and language difficulties, craniofacial dysmorphology, and skeletal anomalies. Given the range of features previously described for KAT6B-related syndromes, we have identified additional phenotypes including concern for keratoconus, sensitivity to light or noise, recurring infections, and fractures in greater numbers than previously reported. We surveyed clinicians to qualitatively assess the ways families engage with genetic counselors upon diagnosis. We found that 56% (10/18) of individuals receive diagnoses before the age of 2 years (median age = 1.96 years), making it challenging to address future complications with limited accessible information and vast phenotypic severity. We used CRISPR to introduce truncating variants into the KAT6B gene in model cell lines and performed chromatin accessibility and transcriptome sequencing to identify key dysregulated pathways. This study expands the clinical spectrum and addresses the challenges to management and genetic counseling for patients with KAT6B-related disorders.

Published
2021

4. Mutation-specific pathophysiological mechanisms define different neurodevelopmental disorders associated with SATB1 dysfunction.

Author

den Hoed, Joery, de Boer, Elke, Voisin, Norine, Dingemans, Alexander, Guex, Nicolas, Wiel, Laurens, Nellaker, Christoffer, Amudhavalli, Shivarajan, Banka, Siddharth, Bena, Frederique, Ben-Zeev, Bruria, Bonagura, Vincent, Bruel, Ange-Line, Brunet, Theresa, Brunner, Han, Chew, Hui, Chrast, Jacqueline, Cimbalistienė, Loreta, Coon, Hilary, Délot, Emmanuèlle, Démurger, Florence, Denommé-Pichon, Anne-Sophie, Depienne, Christel, Donnai, Dian, Dyment, David, Elpeleg, Orly, Faivre, Laurence, Gilissen, Christian, Granger, Leslie, Haber, Benjamin, Hachiya, Yasuo, Abedi, Yasmin, Hanebeck, Jennifer, Hehir-Kwa, Jayne, Horist, Brooke, Itai, Toshiyuki, Jackson, Adam, Jewell, Rosalyn, Jones, Kelly, Joss, Shelagh, Kashii, Hirofumi, Kato, Mitsuhiro, Kattentidt-Mouravieva, Anja, Kok, Fernando, Kotzaeridou, Urania, Krishnamurthy, Vidya, Kučinskas, Vaidutis, Kuechler, Alma, Lavillaureix, Alinoë, Liu, Pengfei, Manwaring, Linda, Matsumoto, Naomichi, Mazel, Benoît, McWalter, Kirsty, Meiner, Vardiella, Mikati, Mohamad, Miyatake, Satoko, Mizuguchi, Takeshi, Moey, Lip, Mohammed, Shehla, Mor-Shaked, Hagar, Mountford, Hayley, Newbury-Ecob, Ruth, Odent, Sylvie, Orec, Laura, Osmond, Matthew, Palculict, Timothy, Parker, Michael, Petersen, Andrea, Pfundt, Rolph, Preikšaitienė, Eglė, Radtke, Kelly, Ranza, Emmanuelle, Rosenfeld, Jill, Santiago-Sim, Teresa, Schwager, Caitlin, Sinnema, Margje, Snijders Blok, Lot, Spillmann, Rebecca, Stegmann, Alexander, Thiffault, Isabelle, Tran, Linh, Vaknin-Dembinsky, Adi, Vedovato-Dos-Santos, Juliana, Schrier Vergano, Samantha, Vilain, Eric, Vitobello, Antonio, Wagner, Matias, Waheeb, Androu, Willing, Marcia, Zuccarelli, Britton, Kini, Usha, Newbury, Dianne, Kleefstra, Tjitske, Reymond, Alexandre, Fisher, Simon, and Vissers, Lisenka

Subjects
HPO-based analysis, SATB1, cell-based functional assays, de novo variants, intellectual disability, neurodevelopmental disorders, seizures, teeth abnormalities, Chromatin, Female, Genetic Association Studies, Haploinsufficiency, Humans, Male, Matrix Attachment Region Binding Proteins, Models, Molecular, Mutation, Mutation, Missense, Neurodevelopmental Disorders, Protein Binding, Protein Domains, Transcription, Genetic
Abstract

Whereas large-scale statistical analyses can robustly identify disease-gene relationships, they do not accurately capture genotype-phenotype correlations or disease mechanisms. We use multiple lines of independent evidence to show that different variant types in a single gene, SATB1, cause clinically overlapping but distinct neurodevelopmental disorders. Clinical evaluation of 42 individuals carrying SATB1 variants identified overt genotype-phenotype relationships, associated with different pathophysiological mechanisms, established by functional assays. Missense variants in the CUT1 and CUT2 DNA-binding domains result in stronger chromatin binding, increased transcriptional repression, and a severe phenotype. In contrast, variants predicted to result in haploinsufficiency are associated with a milder clinical presentation. A similarly mild phenotype is observed for individuals with premature protein truncating variants that escape nonsense-mediated decay, which are transcriptionally active but mislocalized in the cell. Our results suggest that in-depth mutation-specific genotype-phenotype studies are essential to capture full disease complexity and to explain phenotypic variability.

Published
2021

5. GATAD2B-associated neurodevelopmental disorder (GAND): clinical and molecular insights into a NuRD-related disorder

Author

Shieh, Christine, Jones, Natasha, Vanle, Brigitte, Au, Margaret, Huang, Alden Y, Silva, Ana PG, Lee, Hane, Douine, Emilie D, Otero, Maria G, Choi, Andrew, Grand, Katheryn, Taff, Ingrid P, Delgado, Mauricio R, Hajianpour, MJ, Seeley, Andrea, Rohena, Luis, Vernon, Hilary, Gripp, Karen W, Vergano, Samantha A, Mahida, Sonal, Naidu, Sakkubai, Sousa, Ana Berta, Wain, Karen E, Challman, Thomas D, Beek, Geoffrey, Basel, Donald, Ranells, Judith, Smith, Rosemarie, Yusupov, Roman, Freckmann, Mary-Louise, Ohden, Lisa, Davis-Keppen, Laura, Chitayat, David, Dowling, James J, Finkel, Richard, Dauber, Andrew, Spillmann, Rebecca, Pena, Loren DM, Metcalfe, Kay, Splitt, Miranda, Lachlan, Katherine, McKee, Shane A, Hurst, Jane, Fitzpatrick, David R, Morton, Jenny EV, Cox, Helen, Venkateswaran, Sunita, Young, Juan I, Marsh, Eric D, Nelson, Stanley F, Martinez, Julian A, Graham, John M, Kini, Usha, Mackay, Joel P, and Pierson, Tyler Mark

Subjects
Genetics, Clinical Research, Congenital Structural Anomalies, Brain Disorders, Pediatric, Intellectual and Developmental Disabilities (IDD), 2.1 Biological and endogenous factors, Aetiology, Child, Female, GATA Transcription Factors, Humans, Intellectual Disability, Megalencephaly, Neurodevelopmental Disorders, Nucleosomes, Phenotype, Pregnancy, Repressor Proteins, GATAD2B, NuRD complex, apraxia of speech, chromatin remodeling, macrocephaly, Undiagnosed Diseases Network, GATAD2B, NuRD complex, apraxia of speech, chromatin remodeling, macrocephaly, Clinical Sciences, Genetics & Heredity
Abstract

PurposeDetermination of genotypic/phenotypic features of GATAD2B-associated neurodevelopmental disorder (GAND).MethodsFifty GAND subjects were evaluated to determine consistent genotypic/phenotypic features. Immunoprecipitation assays utilizing in vitro transcription-translation products were used to evaluate GATAD2B missense variants' ability to interact with binding partners within the nucleosome remodeling and deacetylase (NuRD) complex.ResultsSubjects had clinical findings that included macrocephaly, hypotonia, intellectual disability, neonatal feeding issues, polyhydramnios, apraxia of speech, epilepsy, and bicuspid aortic valves. Forty-one novelGATAD2B variants were identified with multiple variant types (nonsense, truncating frameshift, splice-site variants, deletions, and missense). Seven subjects were identified with missense variants that localized within two conserved region domains (CR1 or CR2) of the GATAD2B protein. Immunoprecipitation assays revealed several of these missense variants disrupted GATAD2B interactions with its NuRD complex binding partners.ConclusionsA consistent GAND phenotype was caused by a range of genetic variants in GATAD2B that include loss-of-function and missense subtypes. Missense variants were present in conserved region domains that disrupted assembly of NuRD complex proteins. GAND's clinical phenotype had substantial clinical overlap with other disorders associated with the NuRD complex that involve CHD3 and CHD4, with clinical features of hypotonia, intellectual disability, cardiac defects, childhood apraxia of speech, and macrocephaly.

Published
2020

6. Correction: GATAD2B-associated neurodevelopmental disorder (GAND): clinical and molecular insights into a NuRD-related disorder.

Author

Shieh, Christine, Jones, Natasha, Vanle, Brigitte, Au, Margaret, Huang, Alden, Silva, Ana, Lee, Hane, Douine, Emilie, Otero, Maria, Choi, Andrew, Grand, Katheryn, Taff, Ingrid, Delgado, Mauricio, Hajianpour, M, Seeley, Andrea, Rohena, Luis, Vernon, Hilary, Gripp, Karen, Vergano, Samantha, Mahida, Sonal, Naidu, Sakkubai, Sousa, Ana, Wain, Karen, Challman, Thomas, Beek, Geoffrey, Basel, Donald, Ranells, Judith, Smith, Rosemarie, Yusupov, Roman, Freckmann, Mary-Louise, Ohden, Lisa, Davis-Keppen, Laura, Chitayat, David, Dowling, James, Finkel, Richard, Dauber, Andrew, Spillmann, Rebecca, Pena, Loren, Metcalfe, Kay, Splitt, Miranda, Lachlan, Katherine, McKee, Shane, Hurst, Jane, Fitzpatrick, David, Morton, Jenny, Cox, Helen, Venkateswaran, Sunita, Young, Juan, Marsh, Eric, Nelson, Stanley, Martinez, Julian, Graham, John, Kini, Usha, Mackay, Joel, and Pierson, Tyler

Abstract

An amendment to this paper has been published and can be accessed via a link at the top of the paper.

Published
2020

7. Variants in GNAI1 cause a syndrome associated with variable features including developmental delay, seizures, and hypotonia

Author

Muir, Alison M., Gardner, Jennifer F., van Jaarsveld, Richard H., de Lange, Iris M., van der Smagt, Jasper J., Wilson, Golder N., Dubbs, Holly, Goldberg, Ethan M., Zitano, Lia, Bupp, Caleb, Martinez, Jose, Srour, Myriam, Accogli, Andrea, Alhakeem, Afnan, Meltzer, Meira, Gropman, Andrea, Brewer, Carole, Caswell, Richard C., Montgomery, Tara, McKenna, Caoimhe, McKee, Shane, Powell, Corinna, Vasudevan, Pradeep C., Brady, Angela F., Joss, Shelagh, Tysoe, Carolyn, Noh, Grace, Tarnopolsky, Mark, Brady, Lauren, Zafar, Muhammad, Schrier Vergano, Samantha A., Murray, Brianna, Sawyer, Lindsey, Hainline, Bryan E., Sapp, Katherine, DeMarzo, Danielle, Huismann, Darcy J., Wentzensen, Ingrid M., Schnur, Rhonda E., Monaghan, Kristin G., Juusola, Jane, Rhodes, Lindsay, Dobyns, William B., Lecoquierre, Francois, Goldenberg, Alice, Polster, Tilman, Axer-Schaefer, Susanne, Platzer, Konrad, Klöckner, Chiara, Hoffman, Trevor L., MacArthur, Daniel G., O’Leary, Melanie C., VanNoy, Grace E., England, Eleina, Varghese, Vinod C., and Mefford, Heather C.

Published
2021
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8. De novo loss-of-function variants in X-linked MED12 are associated with Hardikar syndrome in females

Author

Li, Dong, Strong, Alanna, Shen, Kaitlyn M., Cassiman, David, Van Dyck, Maria, Linhares, Natalia Duarte, Valadares, Eugenia Ribeiro, Wang, Tiancheng, Pena, Sergio D. J., Jaeken, Jaak, Vergano, Samantha, Zackai, Elaine, Hing, Anne, Chow, Penny, Ganguly, Arupa, Scholz, Tasja, Bierhals, Tatjana, Philipp, Deindl, Hakonarson, Hakon, and Bhoj, Elizabeth

Published
2021
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9. ARID2, a milder cause of Coffin‐Siris Syndrome? Broadening the phenotype with 17 additional individuals.

Author

Schrier Vergano, Samantha A.

Abstract

Coffin‐Siris Syndrome (CSS, MIM 135900) is now a well‐described genetic condition caused by pathogenic variants in the Bromocriptine activating factor (BAF) complex, including ARID1B, ARID1A, ARID2, SMARCA4, SMARCE1, SMARCB1, SOX11, SMARCC2, DPF2, and more recently, BICRA. Individuals with CSS have a spectrum of various medical challenges, most often evident at birth, including feeding difficulties, hypotonia, organ‐system anomalies, and learning and developmental differences. The classic finding of fifth digit hypo‐ or aplasia is seen variably. ARID2, previously described, is one of the less frequently observed gene changes in CSS. Although individuals with ARID2 have been reported to have classic features of CSS including hypertrichosis, coarse facial features, short stature, and fifth digit anomalies, as with many of the other CSS genes, there appears to be a spectrum of phenotypes. We report here a cohort of 17 individuals with ARID2 variants from the Coffin‐Siris/BAF clinical registry and detail their medical challenges as well as developmental progress. Feeding difficulties, hypotonia, and short stature occur often, and hip dysplasia appears to occur more often than with other genes, however more severe medical challenges such as significant brain and cardiac malformations are rarer. Individuals appear to have mild to moderate intellectual impairment and may carry additional diagnoses such as ADHD. Further phenotypic description of this gene will aid clinicians caring for individuals with this rarer form of CSS. [ABSTRACT FROM AUTHOR]

Published
2024
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10. The CHD4-related syndrome: a comprehensive investigation of the clinical spectrum, genotype–phenotype correlations, and molecular basis

Author

Weiss, Karin, Lazar, Hayley P., Kurolap, Alina, Martinez, Ariel F., Paperna, Tamar, Cohen, Lior, Smeland, Marie F., Whalen, Sandra, Heide, Solveig, Keren, Boris, Terhal, Pauline, Irving, Melita, Takaku, Motoki, Roberts, John D., Petrovich, Robert M., Schrier Vergano, Samantha A., Kenney, Amy, Hove, Hanne, DeChene, Elizabeth, Quinonez, Shane C., Colin, Estelle, Ziegler, Alban, Rumple, Melissa, Jain, Mahim, Monteil, Danielle, Roeder, Elizabeth R., Nugent, Kimberly, van Haeringen, Arie, Gambello, Michael, Santani, Avni, Medne, Līvija, Krock, Bryan, Skraban, Cara M., Zackai, Elaine H., Dubbs, Holly A., Smol, Thomas, Ghoumid, Jamal, Parker, Michael J., Wright, Michael, Turnpenny, Peter, Clayton-Smith, Jill, Metcalfe, Kay, Kurumizaka, Hitoshi, Gelb, Bruce D., Baris Feldman, Hagit, Campeau, Philippe M., Muenke, Maximilian, Wade, Paul A., and Lachlan, Katherine

Published
2020
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11. Clinical Presentation of a Complex Neurodevelopmental Disorder Caused by Mutations in ADNP

Author

Bakshi, Madhura, Wilson, Meredith, Berman, Yemina, Dickson, Rebecca, Fransen, Erik, Helsmoortel, Céline, Van den Ende, Jenneke, Van der Aa, Nathalie, van de Wijdeven, Marina J., Rosenblum, Jessica, Monteiro, Fabíola, Kok, Fernando, Quercia, Nada, Bowdin, Sarah, Dyment, David, Chitayat, David, Alkhunaizi, Ebba, Boonen, Susanne E., Keren, Boris, Jacquette, Aurelia, Faivre, Laurence, Bezieau, Stephane, Isidor, Bertrand, Rieß, Angelika, Moog, Ute, Lynch, Sally Ann, McVeigh, Terri, Elpeleg, Orly, Smeland, Marie Falkenberg, Fannemel, Madeleine, van Haeringen, Arie, Maas, Saskia M., Veenstra-Knol, H.E., Schouten, Meyke, Willemsen, Marjolein H., Marcelis, Carlo L., Ockeloen, Charlotte, van der Burgt, Ineke, Feenstra, Ilse, van der Smagt, Jasper, Jezela-Stanek, Aleksandra, Krajewska-Walasek, Malgorzata, González-Lamuño, Domingo, Anderlid, Britt-Marie, Malmgren, Helena, Nordenskjöld, Magnus, Clement, Emma, Hurst, Jane, Metcalfe, Kay, Mansour, Sahar, Lachlan, Katherine, Clayton-Smith, Jill, Hendon, Laura G., Abdulrahman, Omar A., Morrow, Eric, McMillan, Clare, Gerdts, Jennifer, Peeden, Joseph, Schrier Vergano, Samantha A., Valentino, Caitlin, Chung, Wendy K., Ozmore, Jillian R., Bedrosian-Sermone, Sandra, Dennis, Anna, Treat, Kayla, Hughes, Susan Starling, Safina, Nicole, Le Pichon, Jean-Baptiste, McGuire, Marianne, Infante, Elena, Madan-Khetarpal, Suneeta, Desai, Sonal, Benke, Paul, Krokosky, Alyson, Cristian, Ingrid, Baker, Laura, Gripp, Karen, Stessman, Holly A., Eichenberger, Jacob, Jayakar, Parul, Pizzino, Amy, Manning, Melanie Ann, Slattery, Leah, Van Dijck, Anke, Vulto-van Silfhout, Anneke T., Cappuyns, Elisa, van der Werf, Ilse M., Mancini, Grazia M., Tzschach, Andreas, Bernier, Raphael, Gozes, Illana, Eichler, Evan E., Romano, Corrado, Lindstrand, Anna, Nordgren, Ann, Kvarnung, Malin, Kleefstra, Tjitske, de Vries, Bert B.A., Küry, Sébastien, Rosenfeld, Jill A., Meuwissen, Marije E., Vandeweyer, Geert, and Kooy, R. Frank

Published
2019
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13. The ARID1B spectrum in 143 patients: from nonsyndromic intellectual disability to Coffin–Siris syndrome

Author

van der Sluijs, Pleuntje J., Jansen, Sandra, Vergano, Samantha A., Adachi-Fukuda, Miho, Alanay, Yasemin, AlKindy, Adila, Baban, Anwar, Bayat, Allan, Beck-Wödl, Stefanie, Berry, Katherine, Bijlsma, Emilia K., Bok, Levinus A., Brouwer, Alwin F. J., van der Burgt, Ineke, Campeau, Philippe M., Canham, Natalie, Chrzanowska, Krystyna, Chu, Yoyo W. Y., Chung, Brain H. Y., Dahan, Karin, De Rademaeker, Marjan, Destree, Anne, Dudding-Byth, Tracy, Earl, Rachel, Elcioglu, Nursel, Elias, Ellen R., Fagerberg, Christina, Gardham, Alice, Gener, Blanca, Gerkes, Erica H., Grasshoff, Ute, van Haeringen, Arie, Heitink, Karin R., Herkert, Johanna C., den Hollander, Nicolette S., Horn, Denise, Hunt, David, Kant, Sarina G., Kato, Mitsuhiro, Kayserili, Hülya, Kersseboom, Rogier, Kilic, Esra, Krajewska-Walasek, Malgorzata, Lammers, Kylin, Laulund, Lone W., Lederer, Damien, Lees, Melissa, López-González, Vanesa, Maas, Saskia, Mancini, Grazia M. S., Marcelis, Carlo, Martinez, Francisco, Maystadt, Isabelle, McGuire, Marianne, McKee, Shane, Mehta, Sarju, Metcalfe, Kay, Milunsky, Jeff, Mizuno, Seiji, Moeschler, John B., Netzer, Christian, Ockeloen, Charlotte W., Oehl-Jaschkowitz, Barbara, Okamoto, Nobuhiko, Olminkhof, Sharon N. M., Orellana, Carmen, Pasquier, Laurent, Pottinger, Caroline, Riehmer, Vera, Robertson, Stephen P., Roifman, Maian, Rooryck, Caroline, Ropers, Fabienne G., Rosello, Monica, Ruivenkamp, Claudia A. L., Sagiroglu, Mahmut S., Sallevelt, Suzanne C. E. H., Sanchis Calvo, Amparo, Simsek-Kiper, Pelin O., Soares, Gabriela, Solaeche, Lucia, Sonmez, Fatma Mujgan, Splitt, Miranda, Steenbeek, Duco, Stegmann, Alexander P. A., Stumpel, Constance T. R. M., Tanabe, Saori, Uctepe, Eyyup, Utine, G. Eda, Veenstra-Knol, Hermine E., Venkateswaran, Sunita, Vilain, Catheline, Vincent-Delorme, Catherine, Vulto-van Silfhout, Anneke T., Wheeler, Patricia, Wilson, Golder N., Wilson, Louise C., Wollnik, Bernd, Kosho, Tomoki, Wieczorek, Dagmar, Eichler, Evan, Pfundt, Rolph, de Vries, Bert B. A., Clayton-Smith, Jill, and Santen, Gijs W. E.

Published
2019
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14. Deep phenotyping of the neuroimaging and skeletal features in KBG syndrome: a study of 53 patients and review of the literature

Author

Peluso, Francesca, primary, Caraffi, Stefano G, additional, Contrò, Gianluca, additional, Valeri, Lara, additional, Napoli, Manuela, additional, Carboni, Giorgia, additional, Seth, Alka, additional, Zuntini, Roberta, additional, Coccia, Emanuele, additional, Astrea, Guja, additional, Bisgaard, Anne-Marie, additional, Ivanovski, Ivan, additional, Maitz, Silvia, additional, Brischoux-Boucher, Elise, additional, Carter, Melissa T, additional, Dentici, Maria Lisa, additional, Devriendt, Koenraad, additional, Bellini, Melissa, additional, Digilio, Maria Cristina, additional, Doja, Asif, additional, Dyment, David A, additional, Farholt, Stense, additional, Ferreira, Carlos R, additional, Wolfe, Lynne A, additional, Gahl, William A, additional, Gnazzo, Maria, additional, Goel, Himanshu, additional, Grønborg, Sabine Weller, additional, Hammer, Trine, additional, Iughetti, Lorenzo, additional, Kleefstra, Tjitske, additional, Koolen, David A, additional, Lepri, Francesca Romana, additional, Lemire, Gabrielle, additional, Louro, Pedro, additional, McCullagh, Gary, additional, Madeo, Simona F, additional, Milone, Annarita, additional, Milone, Roberta, additional, Nielsen, Jens Erik Klint, additional, Novelli, Antonio, additional, Ockeloen, Charlotte W., additional, Pascarella, Rosario, additional, Pippucci, Tommaso, additional, Ricca, Ivana, additional, Robertson, Stephen P, additional, Sawyer, Sarah, additional, Falkenberg Smeland, Marie, additional, Stegmann, Sander, additional, Stumpel, Constanze T, additional, Goel, Amy, additional, Taylor, Juliet M, additional, Barbuti, Domenico, additional, Soresina, Annarosa, additional, Bedeschi, Maria Francesca, additional, Battini, Roberta, additional, Cavalli, Anna, additional, Fusco, Carlo, additional, Iascone, Maria, additional, Van Maldergem, Lionel, additional, Venkateswaran, Sunita, additional, Zuffardi, Orsetta, additional, Vergano, Samantha, additional, Garavelli, Livia, additional, and Bayat, Allan, additional

Published
2023
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15. Mowat-Wilson syndrome: growth charts

Author

Ivanovski, Ivan, Djuric, Olivera, Broccoli, Serena, Caraffi, Stefano Giuseppe, Accorsi, Patrizia, Adam, Margaret P., Avela, Kristina, Badura-Stronka, Magdalena, Bayat, Allan, Clayton-Smith, Jill, Cocco, Isabella, Cordelli, Duccio Maria, Cuturilo, Goran, Di Pisa, Veronica, Dupont Garcia, Juliette, Gastaldi, Roberto, Giordano, Lucio, Guala, Andrea, Hoei-Hansen, Christina, Inaba, Mie, Iodice, Alessandro, Nielsen, Jens Erik Klint, Kuburovic, Vladimir, Lazalde-Medina, Brissia, Malbora, Baris, Mizuno, Seiji, Moldovan, Oana, Møller, Rikke S., Muschke, Petra, Otelli, Valeria, Pantaleoni, Chiara, Piscopo, Carmelo, Poch-Olive, Maria Luisa, Prpic, Igor, Marín Reina, Purificación, Raviglione, Federico, Ricci, Emilia, Scarano, Emanuela, Simonte, Graziella, Smigiel, Robert, Tanteles, George, Tarani, Luigi, Trimouille, Aurelien, Valera, Elvis Terci, Schrier Vergano, Samantha, Writzl, Karin, Callewaert, Bert, Savasta, Salvatore, Street, Maria Elisabeth, Iughetti, Lorenzo, Bernasconi, Sergio, Giorgi Rossi, Paolo, and Garavelli, Livia

Published
2020
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16. Phenotype and genotype of 87 patients with Mowat–Wilson syndrome and recommendations for care

Author

Ivanovski, Ivan, Djuric, Olivera, Caraffi, Stefano Giuseppe, Santodirocco, Daniela, Pollazzon, Marzia, Rosato, Simonetta, Cordelli, Duccio Maria, Abdalla, Ebtesam, Accorsi, Patrizia, Adam, Margaret P, Ajmone, Paola Francesca, Badura-Stronka, Magdalena, Baldo, Chiara, Baldi, Maddalena, Bayat, Allan, Bigoni, Stefania, Bonvicini, Federico, Breckpot, Jeroen, Callewaert, Bert, Cocchi, Guido, Cuturilo, Goran, De Brasi, Daniele, Devriendt, Koenraad, Dinulos, Mary Beth, Hjortshøj, Tina Duelund, Epifanio, Roberta, Faravelli, Francesca, Fiumara, Agata, Formisano, Debora, Giordano, Lucio, Grasso, Marina, Grønborg, Sabine, Iodice, Alessandro, Iughetti, Lorenzo, Kuburovic, Vladimir, Kutkowska-Kazmierczak, Anna, Lacombe, Didier, Lo Rizzo, Caterina, Luchetti, Anna, Malbora, Baris, Mammi, Isabella, Mari, Francesca, Montorsi, Giulia, Moutton, Sebastien, Møller, Rikke S, Muschke, Petra, Nielsen, Jens Erik Klint, Obersztyn, Ewa, Pantaleoni, Chiara, Pellicciari, Alessandro, Pisanti, Maria Antonietta, Prpic, Igor, Poch-Olive, Maria Luisa, Raviglione, Federico, Renieri, Alessandra, Ricci, Emilia, Rivieri, Francesca, Santen, Gijs W, Savasta, Salvatore, Scarano, Gioacchino, Schanze, Ina, Selicorni, Angelo, Silengo, Margherita, Smigiel, Robert, Spaccini, Luigina, Sorge, Giovanni, Szczaluba, Krzysztof, Tarani, Luigi, Tone, Luis Gonzaga, Toutain, Annick, Trimouille, Aurelien, Valera, Elvis Terci, Vergano, Samantha Schrier, Zanotta, Nicoletta, Zenker, Martin, Conidi, Andrea, Zollino, Marcella, Rauch, Anita, Zweier, Christiane, and Garavelli, Livia

Published
2018
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20. Congenital Hypothyroidism: Screening and Management

Author

Rose, Susan R., primary, Wassner, Ari J., additional, Wintergerst, Kupper A., additional, Yayah-Jones, Nana-Hawa, additional, Hopkin, Robert J., additional, Chuang, Janet, additional, Smith, Jessica R., additional, Abell, Katherine, additional, LaFranchi, Stephen H., additional, Rose, Susan R., additional, Yayah Jones, Nana-Hawa, additional, Bethin, Kathleen E., additional, Bruggeman, Brittany, additional, Brodsky, Jill L., additional, Jelley, David H., additional, Marshall, Bess A., additional, Mastrandrea, Lucy D., additional, Lynch, Jane L., additional, Laskosz, Laura, additional, Burke, Leah W., additional, Geleske, Timothy A., additional, Holm, Ingrid A., additional, Introne, Wendy J., additional, Jones, Kelly, additional, Lyons, Michael J., additional, Monteil, Danielle C., additional, Pritchard, Amanda B., additional, Smith Trapane, Pamela Lyn, additional, Vergano, Samantha A., additional, Weaver, Kathryn, additional, Alexander, Aimee A., additional, C4unniff, Christopher, additional, Null, Mary E., additional, Parisi, Melissa A., additional, Ralson, Steven J, additional, and Scott, Joan, additional

Published
2022
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21. Correction: The CHD4-related syndrome: a comprehensive investigation of the clinical spectrum, genotype–phenotype correlations, and molecular basis

Author

Weiss, Karin, Lazar, Hayley P., Kurolap, Alina, Martinez, Ariel F., Paperna, Tamar, Cohen, Lior, Smeland, Marie F., Whalen, Sandra, Heide, Solveig, Keren, Boris, Terhal, Pauline, Irving, Melita, Takaku, Motoki, Roberts, John D., Petrovich, Robert M., Vergano, Samantha A. Schrier, Kenney, Amy, Hove, Hanne, DeChene, Elizabeth, Quinonez, Shane C., Colin, Estelle, Ziegler, Alban, Rumple, Melissa, Jain, Mahim, Monteil, Danielle, Roeder, Elizabeth R., Nugent, Kimberly, van Haeringen, Arie, Gambello, Michael, Santani, Avni, Medne, Līvija, Krock, Bryan, Skraban, Cara M., Zackai, Elaine H., Dubbs, Holly A., Smol, Thomas, Ghoumid, Jamal, Parker, Michael J., Wright, Michael, Turnpenny, Peter, Clayton-Smith, Jill, Metcalfe, Kay, Kurumizaka, Hitoshi, Gelb, Bruce D., Feldman, Hagit Baris, Campeau, Philippe M., Muenke, Maximilian, Wade, Paul A., and Lachlan, Katherine

Published
2020
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24. Addressing underrepresentation in genomics research through community engagement

Author

Lemke, Amy A., primary, Esplin, Edward D., additional, Goldenberg, Aaron J., additional, Gonzaga-Jauregui, Claudia, additional, Hanchard, Neil A., additional, Harris-Wai, Julie, additional, Ideozu, Justin E., additional, Isasi, Rosario, additional, Landstrom, Andrew P., additional, Prince, Anya E.R., additional, Turbitt, Erin, additional, Sabatello, Maya, additional, Schrier Vergano, Samantha A., additional, Taylor, Matthew R.G., additional, Yu, Joon-Ho, additional, Brothers, Kyle B., additional, and Garrison, Nanibaa’ A., additional

Published
2022
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25. Correction: The ARID1B spectrum in 143 patients: from nonsyndromic intellectual disability to Coffin–Siris syndrome

Author

van der Sluijs, Pleuntje J., Jansen, Sandra, Vergano, Samantha A., Adachi-Fukuda, Miho, Alanay, Yasemin, AlKindy, Adila, Baban, Anwar, Bayat, Allan, Beck-Wödl, Stefanie, Berry, Katherine, Bijlsma, Emilia K., Bok, Levinus A., Brouwer, Alwin F. J., van der Burgt, Ineke, Campeau, Philippe M., Canham, Natalie, Chrzanowska, Krystyna, Chu, Yoyo W. Y., Chung, Brain H. Y., Dahan, Karin, De Rademaeker, Marjan, Destree, Anne, Dudding-Byth, Tracy, Earl, Rachel, Elcioglu, Nursel, Elias, Ellen R., Fagerberg, Christina, Gardham, Alice, Gener, Blanca, Gerkes, Erica H., Grasshoff, Ute, van Haeringen, Arie, Heitink, Karin R., Herkert, Johanna C., den Hollander, Nicolette S., Horn, Denise, Hunt, David, Kant, Sarina G., Kato, Mitsuhiro, Kayserili, Hülya, Kersseboom, Rogier, Kilic, Esra, Krajewska-Walasek, Malgorzata, Lammers, Kylin, Laulund, Lone W., Lederer, Damien, Lees, Melissa, López-González, Vanesa, Maas, Saskia, Mancini, Grazia M. S., Marcelis, Carlo, Martinez, Francisco, Maystadt, Isabelle, McGuire, Marianne, McKee, Shane, Mehta, Sarju, Metcalfe, Kay, Milunsky, Jeff, Mizuno, Seiji, Moeschler, John B., Netzer, Christian, Ockeloen, Charlotte W., Oehl-Jaschkowitz, Barbara, Okamoto, Nobuhiko, Olminkhof, Sharon N. M., Orellana, Carmen, Pasquier, Laurent, Pottinger, Caroline, Riehmer, Vera, Robertson, Stephen P., Roifman, Maian, Rooryck, Caroline, Ropers, Fabienne G., Rosello, Monica, Ruivenkamp, Claudia A. L., Sagiroglu, Mahmut S., Sallevelt, Suzanne C. E. H., Calvo, Amparo Sanchis, Simsek-Kiper, Pelin O., Soares, Gabriela, Solaeche, Lucia, Sonmez, Fatma Mujgan, Splitt, Miranda, Steenbeek, Duco, Stegmann, Alexander P. A., Stumpel, Constance T. R. M., Tanabe, Saori, Uctepe, Eyyup, Utine, G. Eda, Veenstra-Knol, Hermine E., Venkateswaran, Sunita, Vilain, Catheline, Vincent-Delorme, Catherine, Vulto-van Silfhout, Anneke T., Wheeler, Patricia, Wilson, Golder N., Wilson, Louise C., Wollnik, Bernd, Kosho, Tomoki, Wieczorek, Dagmar, Eichler, Evan, Pfundt, Rolph, de Vries, Bert B. A., Clayton-Smith, Jill, and Santen, Gijs W. E.

Published
2019
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26. Molecular and clinical spectra of FBXL4 deficiency

Author

El‐Hattab, Ayman W., Dai, Hongzheng, Almannai, Mohammed, Wang, Julia, Faqeih, Eissa A., Al Asmari, Ali, Saleh, Mohammed A. M., Elamin, Mohammed A. O., Alfadhel, Majid, Alkuraya, Fowzan S., Hashem, Mais, Aldosary, Mazhor S., Almass, Rawan, Almutairi, Faten B., Alsagob, Maysoon, Al‐Owain, Mohammed, Al‐Sharfa, Shirin, Al‐Hassnan, Zuhair N., Rahbeeni, Zuhair, Al‐Muhaizea, Mohammed A., Makhseed, Nawal, Foskett, Gretchen K., Stevenson, David A., Gomez‐Ospina, Natalia, Lee, Chung, Boles, Richard G., Schrier Vergano, Samantha A., Wortmann, Saskia B., Sperl, Wolfgang, Opladen, Thomas, Hoffmann, Georg F., Hempel, Maja, Prokisch, Holger, Alhaddad, Bader, Mayr, Johannes A., Chan, Wenyaw, Kaya, Namik, and Wong, Lee‐Jun C.

Published
2017
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27. Functional correlation of genome‐wide DNA methylation profiles in genetic neurodevelopmental disorders

Author

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

Published
2022
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28. Efficacy and safety of empagliflozin in glycogen storage disease type Ib: Data from an international questionnaire

Author

Grünert, Sarah C., primary, Derks, Terry G.J., additional, Adrian, Katarina, additional, Al-Thihli, Khalid, additional, Ballhausen, Diana, additional, Bidiuk, Joanna, additional, Bordugo, Andrea, additional, Boyer, Monica, additional, Bratkovic, Drago, additional, Brunner-Krainz, Michaela, additional, Burlina, Alberto, additional, Chakrapani, Anupam, additional, Corpeleijn, Willemijn, additional, Cozens, Alison, additional, Dawson, Charlotte, additional, Dhamko, Helena, additional, Milosevic, Maja Djordjevic, additional, Eiroa, Hernan, additional, Finezilber, Yael, additional, Moura de Souza, Carolina Fischinger, additional, Garcia-Jiménez, Maria Concepción, additional, Gasperini, Serena, additional, Haas, Dorothea, additional, Häberle, Johannes, additional, Halligan, Rebecca, additional, Fung, Law Hiu, additional, Hörbe-Blindt, Alexandra, additional, Horka, Laura Maria, additional, Huemer, Martina, additional, Uçar, Sema Kalkan, additional, Kecman, Bozica, additional, Kilavuz, Sebile, additional, Kriván, Gergely, additional, Lindner, Martin, additional, Lüsebrink, Natalia, additional, Makrilakis, Konstantinos, additional, Mei-Kwun Kwok, Anne, additional, Maier, Esther M., additional, Maiorana, Arianna, additional, McCandless, Shawn E., additional, Mitchell, John James, additional, Mizumoto, Hiroshi, additional, Mundy, Helen, additional, Ochoa, Carlos, additional, Pierce, Kathryn, additional, Fraile, Pilar Quijada, additional, Regier, Debra, additional, Rossi, Alessandro, additional, Santer, René, additional, Schuman, Hester C., additional, Sobieraj, Piotr, additional, Spenger, Johannes, additional, Spiegel, Ronen, additional, Stepien, Karolina M., additional, Tal, Galit, additional, Tanšek, Mojca Zerjav, additional, Torkar, Ana Drole, additional, Tchan, Michel, additional, Thyagu, Santhosh, additional, Schrier Vergano, Samantha A., additional, Vucko, Erika, additional, Weinhold, Natalie, additional, Zsidegh, Petra, additional, and Wortmann, Saskia B., additional

Published
2022
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33. Heterozygous variants in PRPF8 are associated with neurodevelopmental disorders

Author

O'Grady, L., Vergano, Samantha A., Hoffman, T.L., Sarco, D., Cherny, S., Bryant, E., Schultz-Rogers, L., Chung, W.K., Sacharow, S., Immken, L.L., Holder, S., Blackwell, R.R., Buchanan, C., Yusupov, R., Lecoquierre, F., Guerrot, A.M., Rodan, L., Vries, B.B.A. de, Kamsteeg, E.J., Simarro, F. Santos, Palomares-Bralo, M., Brown, N., Pais, L., Ferrer, A., Klee, E.W., Babovic-Vuksanovic, D., Rhodes, L., Person, R., Begtrup, A., Keller-Ramey, J., Santiago-Sim, T., Schnur, R.E., Sweetser, D.A., Gold, N.B., O'Grady, L., Vergano, Samantha A., Hoffman, T.L., Sarco, D., Cherny, S., Bryant, E., Schultz-Rogers, L., Chung, W.K., Sacharow, S., Immken, L.L., Holder, S., Blackwell, R.R., Buchanan, C., Yusupov, R., Lecoquierre, F., Guerrot, A.M., Rodan, L., Vries, B.B.A. de, Kamsteeg, E.J., Simarro, F. Santos, Palomares-Bralo, M., Brown, N., Pais, L., Ferrer, A., Klee, E.W., Babovic-Vuksanovic, D., Rhodes, L., Person, R., Begtrup, A., Keller-Ramey, J., Santiago-Sim, T., Schnur, R.E., Sweetser, D.A., and Gold, N.B.

Abstract

Item does not contain fulltext, The pre-mRNA-processing factor 8, encoded by PRPF8, is a scaffolding component of a spliceosome complex involved in the removal of introns from mRNA precursors. Previously, heterozygous pathogenic variants in PRPF8 have been associated with autosomal dominant retinitis pigmentosa. More recently, PRPF8 was suggested as a candidate gene for autism spectrum disorder due to the enrichment of sequence variants in this gene in individuals with neurodevelopmental disorders. We report 14 individuals with various forms of neurodevelopmental conditions, found to have heterozygous, predominantly de novo, missense, and loss-of-function variants in PRPF8. These individuals have clinical features that may represent a new neurodevelopmental syndrome.

Published
2022

34. Efficacy and safety of empagliflozin in glycogen storage disease type Ib: Data from an international questionnaire

Author

Grünert, S.C., Derks, T.G., Adrian, K., Al-Thihli, K., Ballhausen, D., Bidiuk, J., Bordugo, A., Boyer, M., Bratkovic, D., Brunner-Krainz, M., Burlina, A., Chakrapani, A., Corpeleijn, W., Cozens, A., Dawson, C., Dhamko, H., Milosevic, M.D., Eiroa, H., Finezilber, Y., Souza, C.F. de, Garcia-Jiménez, M.C., Gasperini, S., Haas, D., Häberle, J., Halligan, R., Fung, L.H., Hörbe-Blindt, A., Horka, L.M., Huemer, M., Uçar, S.K., Kecman, B., Kılavuz, S., Kriván, G., Lindner, M., Lüsebrink, N., Makrilakis, K., Mei-Kwun Kwok, A., Maier, Emar, Maiorana, A., McCandless, S.E., Mitchell, J.J., Mizumoto, H., Mundy, H., Ochoa, C., Pierce, K., Fraile, P.Q., Regier, D., Rossi, A, Santer, R., Schuman, H.C., Sobieraj, P., Spenger, J., Spiegel, R., Stepien, K.M., Tal, G., Tanšek, M.Z., Torkar, A.D., Tchan, M., Thyagu, S., Vergano, Samantha A., Vucko, E., Weinhold, N., Zsidegh, P., Wortmann, S.B., Grünert, S.C., Derks, T.G., Adrian, K., Al-Thihli, K., Ballhausen, D., Bidiuk, J., Bordugo, A., Boyer, M., Bratkovic, D., Brunner-Krainz, M., Burlina, A., Chakrapani, A., Corpeleijn, W., Cozens, A., Dawson, C., Dhamko, H., Milosevic, M.D., Eiroa, H., Finezilber, Y., Souza, C.F. de, Garcia-Jiménez, M.C., Gasperini, S., Haas, D., Häberle, J., Halligan, R., Fung, L.H., Hörbe-Blindt, A., Horka, L.M., Huemer, M., Uçar, S.K., Kecman, B., Kılavuz, S., Kriván, G., Lindner, M., Lüsebrink, N., Makrilakis, K., Mei-Kwun Kwok, A., Maier, Emar, Maiorana, A., McCandless, S.E., Mitchell, J.J., Mizumoto, H., Mundy, H., Ochoa, C., Pierce, K., Fraile, P.Q., Regier, D., Rossi, A, Santer, R., Schuman, H.C., Sobieraj, P., Spenger, J., Spiegel, R., Stepien, K.M., Tal, G., Tanšek, M.Z., Torkar, A.D., Tchan, M., Thyagu, S., Vergano, Samantha A., Vucko, E., Weinhold, N., Zsidegh, P., and Wortmann, S.B.

Abstract

Contains fulltext : 283146.pdf (Publisher’s version ) (Open Access), PURPOSE: This paper aims to report collective information on safety and efficacy of empagliflozin drug repurposing in individuals with glycogen storage disease type Ib (GSD Ib). METHODS: This is an international retrospective questionnaire study on the safety and efficacy of empagliflozin use for management of neutropenia/neutrophil dysfunction in patients with GSD Ib, conducted among the respective health care providers from 24 countries across the globe. RESULTS: Clinical data from 112 individuals with GSD Ib were evaluated, representing a total of 94 treatment years. The median age at start of empagliflozin treatment was 10.5 years (range = 0-38 years). Empagliflozin showed positive effects on all neutrophil dysfunction-related symptoms, including oral and urogenital mucosal lesions, recurrent infections, skin abscesses, inflammatory bowel disease, and anemia. Before initiating empagliflozin, most patients with GSD Ib were on G-CSF (94/112; 84%). At the time of the survey, 49 of 89 (55%) patients previously treated with G-CSF had completely stopped G-CSF, and another 15 (17%) were able to reduce the dose. The most common adverse event during empagliflozin treatment was hypoglycemia, occurring in 18% of individuals. CONCLUSION: Empagliflozin has a favorable effect on neutropenia/neutrophil dysfunction-related symptoms and safety profile in individuals with GSD Ib.

Published
2022

35. Novel diagnostic DNA methylation episignatures expand and refine the epigenetic landscapes of Mendelian disorders

Author

Levy, Michael A., McConkey, Haley, Kerkhof, Jennifer, Barat-Houari, Mouna, Bargiacchi, Sara, Biamino, Elisa, Cappuccio, Gerarda, Ciolfi, Andrea, Clarke, Angus, DuPont, Barbara R., Elting, Mariet W., Faivre, Laurence, Fee, Timothy, Fletcher, Robin S., Cherik, 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, Ostergaard, Elsebet, Pallares, Nathalie Ruiz, Piccione, Maria, Pizzi, Simone, Plomp, Astrid S., Poulton, Cathryn, Reilly, Jack, Relator, Raissa, Rius, Rocio, Robertson, Stephen, Rooney, Kathleen, Rousseau, Justine, Santen, Gijs W. E., Santos-Simarro, Fernando, Schijns, Josephine, Squeo, Gabriella Maria, St John, Miya, Thauvin-Robinet, Christel, Traficante, Giovanna, van der Sluijs, Pleuntje J., Vergano, Samantha A., Vos, Niels, Walden, Kellie K., Azmanov, Dimitar, Balci, Tugce, 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., Christodoulou, John, Dyment, David, Esber, Natacha, Fahrner, Jill A., Fleming, Mark D., Genevieve, David, Kerrnohan, Kristin D., McNeill, Alisdair, Menke, Leonie A., Merla, Giuseppe, Prontera, Paolo, Rockman-Greenberg, Cheryl, Schwartz, Charles, Skinner, Steven A., Stevenson, Roger E., Vitobello, Antonio, Tartaglia, Marco, Alders, Marielle, Tedder, Matthew L., Sadikovic, Bekim, Levy, Michael A., McConkey, Haley, Kerkhof, Jennifer, Barat-Houari, Mouna, Bargiacchi, Sara, Biamino, Elisa, Cappuccio, Gerarda, Ciolfi, Andrea, Clarke, Angus, DuPont, Barbara R., Elting, Mariet W., Faivre, Laurence, Fee, Timothy, Fletcher, Robin S., Cherik, 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, Ostergaard, Elsebet, Pallares, Nathalie Ruiz, Piccione, Maria, Pizzi, Simone, Plomp, Astrid S., Poulton, Cathryn, Reilly, Jack, Relator, Raissa, Rius, Rocio, Robertson, Stephen, Rooney, Kathleen, Rousseau, Justine, Santen, Gijs W. E., Santos-Simarro, Fernando, Schijns, Josephine, Squeo, Gabriella Maria, St John, Miya, Thauvin-Robinet, Christel, Traficante, Giovanna, van der Sluijs, Pleuntje J., Vergano, Samantha A., Vos, Niels, Walden, Kellie K., Azmanov, Dimitar, Balci, Tugce, 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., Christodoulou, John, Dyment, David, Esber, Natacha, Fahrner, Jill A., Fleming, Mark D., Genevieve, David, Kerrnohan, Kristin D., McNeill, Alisdair, Menke, Leonie A., Merla, Giuseppe, Prontera, Paolo, Rockman-Greenberg, Cheryl, Schwartz, Charles, Skinner, Steven A., Stevenson, Roger E., Vitobello, Antonio, Tartaglia, Marco, Alders, Marielle, Tedder, Matthew L., and Sadikovic, Bekim

Abstract

Overlapping clinical phenotypes and an expanding breadth and complexity of genomic associations are a growing challenge in the diagnosis and clinical management of Mendelian disorders. The functional consequences and clinical impacts of genomic variation may involve unique, disorder-specific, genomic DNA methylation episignatures. In this study, we describe 19 novel episignature disorders and compare the findings alongside 38 previously established episignatures for a total of 57 episignatures associated with 65 genetic syndromes. We demonstrate increasing resolution and specificity ranging from protein complex, gene, sub-gene, protein domain, and even single nucleotide-level Mendelian episignatures. We show the power of multiclass modeling to develop highly accurate and disease-specific diagnostic classifiers. This study significantly expands the number and spectrum of disorders with detectable DNA methylation episignatures, improves the clinical diagnostic capabilities through the resolution of unsolved cases and the reclassification of variants of unknown clinical significance, and provides further insight into the molecular etiology of Mendelian conditions.

Published
2022

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

Author

Levy, Michael A., Relator, Raissa, McConkey, Haley, Pranckeviciene, Erinija, Kerkhof, Jennifer, Barat-Houari, Mouna, Bargiacchi, Sara, Biamino, Elisa, Palomares Bralo, María, Cappuccio, Gerarda, Ciolfi, Andrea, Clarke, Angus, 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 R., 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 M., John, Miya St, Thauvin-Robinet, Christel, Traficante, Giovanna, van der Sluijs, Pleuntje J., Vergano, Samantha A., Vos, Niels, 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, Thomas, Kernohan, Kristin D., McNeill, Alisdair, Menke, Leonie A., Merla, Giuseppe, Prontera, Paolo, Rockman-Greenberg, Cheryl, Schwartz, Charles, Skinner, Steven A., Stevenson, Roger E., Vincent, Marie, Vitobello, Antonio, Tartaglia, Marco, Alders, Marielle, Tedder, Matthew L., Sadikovic, Bekim, Levy, Michael A., Relator, Raissa, McConkey, Haley, Pranckeviciene, Erinija, Kerkhof, Jennifer, Barat-Houari, Mouna, Bargiacchi, Sara, Biamino, Elisa, Palomares Bralo, María, Cappuccio, Gerarda, Ciolfi, Andrea, Clarke, Angus, 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 R., 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 M., John, Miya St, Thauvin-Robinet, Christel, Traficante, Giovanna, van der Sluijs, Pleuntje J., Vergano, Samantha A., Vos, Niels, 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, Thomas, Kernohan, Kristin D., McNeill, Alisdair, Menke, Leonie A., Merla, Giuseppe, Prontera, Paolo, Rockman-Greenberg, Cheryl, Schwartz, Charles, Skinner, Steven A., Stevenson, Roger E., Vincent, Marie, Vitobello, Antonio, Tartaglia, Marco, Alders, Marielle, Tedder, Matthew L., and Sadikovic, Bekim

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 among 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.

Published
2022

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

Author

Genetica Klinische Genetica, Brain, Child Health, Levy, Michael A, Relator, Raissa, McConkey, Haley, Pranckeviciene, Erinija, Kerkhof, Jennifer, Barat-Houari, Mouna, Bargiacchi, Sara, Biamino, Elisa, Bralo, María Palomares, Cappuccio, Gerarda, Ciolfi, Andrea, Clarke, Angus, 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, Niels, 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, Thomas, Kernohan, Kristin D, McNeill, Alisdair, Menke, Leonie A, Merla, Giuseppe, Prontera, Paolo, Rockman-Greenberg, Cheryl, Schwartz, Charles, Skinner, Steven A, Stevenson, Roger E, Vincent, Marie, Vitobello, Antonio, Tartaglia, Marco, Alders, Marielle, Tedder, Matthew L, Sadikovic, Bekim, Genetica Klinische Genetica, Brain, Child Health, Levy, Michael A, Relator, Raissa, McConkey, Haley, Pranckeviciene, Erinija, Kerkhof, Jennifer, Barat-Houari, Mouna, Bargiacchi, Sara, Biamino, Elisa, Bralo, María Palomares, Cappuccio, Gerarda, Ciolfi, Andrea, Clarke, Angus, 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, Niels, 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, Thomas, Kernohan, Kristin D, McNeill, Alisdair, Menke, Leonie A, Merla, Giuseppe, Prontera, Paolo, Rockman-Greenberg, Cheryl, Schwartz, Charles, Skinner, Steven A, Stevenson, Roger E, Vincent, Marie, Vitobello, Antonio, Tartaglia, Marco, Alders, Marielle, Tedder, Matthew L, and Sadikovic, Bekim

Published
2022

40. Heterozygous variants in PRPF8 are associated with neurodevelopmental disorders

Author

O'Grady, Lauren, primary, Schrier Vergano, Samantha A., additional, Hoffman, Trevor L., additional, Sarco, Dean, additional, Cherny, Sara, additional, Bryant, Emily, additional, Schultz‐Rogers, Laura, additional, Chung, Wendy K., additional, Sacharow, Stephanie, additional, Immken, Ladonna L., additional, Holder, Susan, additional, Blackwell, Rebecca R., additional, Buchanan, Catherine, additional, Yusupov, Roman, additional, Lecoquierre, François, additional, Guerrot, Anne‐Marie, additional, Rodan, Lance, additional, de Vries, Bert B. A., additional, Kamsteeg, Erik Jan, additional, Santos Simarro, Fernando, additional, Palomares‐Bralo, Maria, additional, Brown, Natasha, additional, Pais, Lynn, additional, Ferrer, Alejandro, additional, Klee, Eric W., additional, Babovic‐Vuksanovic, Dusica, additional, Rhodes, Lindsay, additional, Person, Richard, additional, Begtrup, Amber, additional, Keller‐Ramey, Jennifer, additional, Santiago‐Sim, Teresa, additional, Schnur, Rhonda E., additional, Sweetser, David A., additional, and Gold, Nina B., additional

Published
2022
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43. Consolidation of the clinical and genetic definition of aSOX4-related neurodevelopmental syndrome

Author

Angelozzi, Marco, primary, Karvande, Anirudha, additional, Molin, Arnaud N, additional, Ritter, Alyssa L, additional, Leonard, Jacqueline M M, additional, Savatt, Juliann M, additional, Douglass, Kristen, additional, Myers, Scott M, additional, Grippa, Mina, additional, Tolchin, Dara, additional, Zackai, Elaine, additional, Donoghue, Sarah, additional, Hurst, Anna C E, additional, Descartes, Maria, additional, Smith, Kirstin, additional, Velasco, Danita, additional, Schmanski, Andrew, additional, Crunk, Amy, additional, Tokita, Mari J, additional, de Lange, Iris M, additional, van Gassen, Koen, additional, Robinson, Hannah, additional, Guegan, Katie, additional, Suri, Mohnish, additional, Patel, Chirag, additional, Bournez, Marie, additional, Faivre, Laurence, additional, Tran-Mau-Them, Frédéric, additional, Baker, Janice, additional, Fabie, Noelle, additional, Weaver, K, additional, Shillington, Amelle, additional, Hopkin, Robert J, additional, Barge-Schaapveld, Daniela Q C.M, additional, Ruivenkamp, Claudia AL, additional, Bökenkamp, Regina, additional, Vergano, Samantha, additional, Seco Moro, Maria Noelia, additional, Díaz de Bustamante, Aranzazu, additional, Misra, Vinod K, additional, Kennelly, Kelly, additional, Rogers, Caleb, additional, Friedman, Jennifer, additional, Wigby, Kristen M, additional, Lenberg, Jerica, additional, Graziano, Claudio, additional, Ahrens-Nicklas, Rebecca C, additional, and Lefebvre, Veronique, additional

Published
2022
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45. Novel diagnostic DNA methylation episignatures expand and refine the epigenetic landscapes of Mendelian disorders

Author

Levy, Michael A., primary, McConkey, Haley, additional, Kerkhof, Jennifer, additional, Barat-Houari, Mouna, additional, Bargiacchi, Sara, additional, Biamino, Elisa, additional, Bralo, María Palomares, additional, Cappuccio, Gerarda, additional, Ciolfi, Andrea, additional, Clarke, Angus, additional, DuPont, Barbara R., additional, Elting, Mariet W., additional, Faivre, Laurence, additional, Fee, Timothy, additional, Fletcher, Robin S., additional, Cherik, Florian, additional, Foroutan, Aidin, additional, Friez, Michael J., additional, Gervasini, Cristina, additional, Haghshenas, Sadegheh, additional, Hilton, Benjamin A., additional, Jenkins, Zandra, additional, Kaur, Simranpreet, additional, Lewis, Suzanne, additional, Louie, Raymond J., additional, Maitz, Silvia, additional, Milani, Donatella, additional, Morgan, Angela T., additional, Oegema, Renske, additional, Østergaard, Elsebet, additional, Pallares, Nathalie Ruiz, additional, Piccione, Maria, additional, Pizzi, Simone, additional, Plomp, Astrid S., additional, Poulton, Cathryn, additional, Reilly, Jack, additional, Relator, Raissa, additional, Rius, Rocio, additional, Robertson, Stephen, additional, Rooney, Kathleen, additional, Rousseau, Justine, additional, Santen, Gijs W.E., additional, Santos-Simarro, Fernando, additional, Schijns, Josephine, additional, Squeo, Gabriella Maria, additional, St John, Miya, additional, Thauvin-Robinet, Christel, additional, Traficante, Giovanna, additional, van der Sluijs, Pleuntje J., additional, Vergano, Samantha A., additional, Vos, Niels, additional, Walden, Kellie K., additional, Azmanov, Dimitar, additional, Balci, Tugce, additional, Banka, Siddharth, additional, Gecz, Jozef, additional, Henneman, Peter, additional, Lee, Jennifer A., additional, Mannens, Marcel M.A.M., additional, Roscioli, Tony, additional, Siu, Victoria, additional, Amor, David J., additional, Baynam, Gareth, additional, Bend, Eric G., additional, Boycott, Kym, additional, Brunetti-Pierri, Nicola, additional, Campeau, Philippe M., additional, Christodoulou, John, additional, Dyment, David, additional, Esber, Natacha, additional, Fahrner, Jill A., additional, Fleming, Mark D., additional, Genevieve, David, additional, Kerrnohan, Kristin D., additional, McNeill, Alisdair, additional, Menke, Leonie A., additional, Merla, Giuseppe, additional, Prontera, Paolo, additional, Rockman-Greenberg, Cheryl, additional, Schwartz, Charles, additional, Skinner, Steven A., additional, Stevenson, Roger E., additional, Vitobello, Antonio, additional, Tartaglia, Marco, additional, Alders, Marielle, additional, Tedder, Matthew L., additional, and Sadikovic, Bekim, additional

Published
2022
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48. Expanding the phenotype of ASXL3-related syndrome: A comprehensive description of 45 unpublished individuals with inherited and de novo pathogenic variants in ASXL3

Author

Schirwani, Schaida, Albaba,Shadi, Carere, Deanna Alexis, Guillen Sacoto, Maria J., Milan Zamora, Francisca, Si Yue, Rabin, Rachel, Pappas, John, Renaud, Deborah L., Hauser, Natalie, Reid, Evan, Blanchet, Patricia, Foulds, Nichola, Dixit, Abhijit, Fisher, Richard, Armstrong, Ruth, Isidor, Bertrand, Cogne, Benjamin, Vergano, Samantha Schrier, Demirdas, Serwet, Dykzeul, Natalie, Cohen, Julie S., Grand, Katheryn, Morel, Dayna, Slavotinek, Anne, Albassam, Hessa F., Naik, Swati, Dean, John, Ragge, Nicola, Cinzia, Costa, Tedesco, Maria Giovanna, Harrison, Rachel E., Bouman, Arjan, Palen, Emily, Challman, Thomas D., Willemsen, Marjolein H., Vogt, Julie, Cunniff, Christopher, Bergstrom, Katherine, Walia, Jagdeep S., Bruel, Ange-Line, Kini, Usha, Alkuraya, Fowzan S., Slegesky, Valerie, Meeks, Naomi, Girotto, Paula, Johnson, Diana, DDD study, Newbury-Ecob, Ruth, Ockeloen, Charlotte W., Prontera, Paolo, Lynch, Sally Ann, Li Dong, Graham, John M., Jr., and Balasubramanian Meena

Abstract

Purpose. The study aimed at widening the clinical and genetic spectrum of ASXL3-related syndrome, a neurodevelopmental disorder, caused by truncating variants in the ASXL3 gene. Methods. In this international collaborative study, we have undertaken a detailed clinical and molecular analysis of 45 previously unpublished individuals with ASXL3-related syndrome, as well as a review of all previously published individuals. We have reviewed the rather limited functional characterisation of pathogenic variants in ASXL3 and discuss current understanding of the consequences of the different ASXL3 variants. Results. In this comprehensive analysis of ASXL3-related syndrome, we define its natural history and clinical evolution occurring with age. We report familial ASXL3 pathogenic variants, characterise the phenotype in mildly affected individuals and discuss non-penetrance. We also discuss the role of missense variants in ASXL3. We delineate a variable but consistent phenotype. The most characteristic features are neurodevelopmental delay with consistently limited speech, significant neuro-behavioural issues, hypotonia and feeding difficulties. Distinctive features include down-slanting palpebral fissures, hypertelorism, tubular nose with a prominent nasal bridge and low-hanging columella. Conclusion. The presented data will inform clinical management of individuals with ASXL3-related syndrome and improve interpretation of new ASXL3 sequence variants.

Published
2021

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