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4. 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

7. Developing a conceptual, reproducible, rubric-based approach to consent and result disclosure for genetic testing by clinicians with minimal genetics background

Author

Ormond, Kelly E., Hallquist, Miranda L. G., Buchanan, Adam H., Dondanville, Danielle, Cho, Mildred K., Smith, Maureen, Roche, Myra, Brothers, Kyle B., Coughlin, II, Curtis R., Hercher, Laura, Hudgins, Louanne, Jamal, Seema, Levy, Howard P., Raskin, Misha, Stosic, Melissa, Uhlmann, Wendy, Wain, Karen E., Currey, Erin, and Faucett, W. Andrew

Published
2019
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12. Genotype-phenotype correlations in SCN8A-related disorders reveal prognostic and therapeutic implications

Author

Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], BMBF, Treat-ION, 01GM1907 [sponsor], Johannesen, Katrine M., Liu, Yuanyuan, Koko, Mahmoud, Gjerulfsen, Cathrine E., Sonnenberg, Lukas, Schubert, Julian, Fenger, Christina D., Eltokhi, Ahmed, Rannap, Maert, Koch, Nils A., Lauxmann, Stephan, Krüger, Johanna, Kegele, Josua, Canafoglia, Laura, Franceschetti, Silvana, Mayer, Thomas, Rebstock, Johannes, Zacher, Pia, Ruf, Susanne, Alber, Michael, Sterbova, Katalin, Lassuthová, Petra, Vlckova, Marketa, Lemke, Johannes R., Platzer, Konrad, Krey, Ilona, Heine, Constanze, Wieczorek, Dagmar, Kroell-Seger, Judith, Lund, Caroline, Klein, Karl Martin, Billie Au, P. Y., Rho, Jong M., Ho, Alice W., Masnada, Silvia, Veggiotti, Pierangelo, Giordano, Lucio, Accorsi, Patrizia, Hoei-Hansen, Christina E., Striano, Pasquale, Zara, Federico, Verhelst, Helene, Verhoeven, Judith S., van der Zwaag, Bert, Harder, Aster V. E., Brilstra, Eva, Pendziwiat, Manuela, Lebon, Sebastian, Vaccarezza, Maria, Minh Le, Ngoc, Christensen, Jakob, Grønborg, Sabine, Scherer, Stephen W., Howe, Jennifer, Fazeli, Walid, Howell, Katherine B., Leventer, Richard, Stutterd, Chloe, Walsh, Sonja, Gerard, Marion, Gerard, Bénédicte, Matricardi, Sara, Bonardi, Claudia M., Sartori, Stefano, Berger, Andrea, Hoffman-Zacharska, Dorota, Mastrangelo, Massimo, Darra, Francesca, Vøllo, Arve, Motazacker, M. Mahdi, Lakeman, Phillis, Nizon, Mathilde, Betzler, Cornelia, Altuzarra, Cecilia, Caume, Roseline, Roubertie, Agathe, Gélisse, Philippe, Marini, Carla, Guerrini, Renzo, Bilan, Frederic, Tibussek, Daniel, Koch-Hogrebe, Margarete, Perry, M. Scott, Ichikawa, Shoji, Dadali, Elena, Sharkov, Artem, Mishina, Irina, Abramov, Mikhail, Kanivets, Ilya, Korostelev, Sergey, Kutsev, Sergey, Wain, Karen E., Eisenhauer, Nancy, Wagner, Monisa, Savatt, Juliann M., Müller-Schlüter, Karen, Bassan, Haim, Borovikov, Artem, Nassogne, Marie-Cecile, Destrée, Anne, Schoonjans, An-Sofie, Meuwissen, Marije, Buzatu, Marga, Jansen, Anna, Scalais, Emmanuel, Srivastava, Siddharth, Tan, Wen-Hann, Olson, Heather E., Loddenkemper, Tobias, Poduri, Annapurna, Helbig, Katherine L., Helbig, Ingo, Fitzgerald, Mark P., Goldberg, Ethan M., Roser, Timo, Borggraefe, Ingo, Brünger, Tobias, May, Patrick, Lal, Dennis, Lederer, Damien, Rubboli, Guido, Heyne, Henrike O., Lesca, Gaetan, Hedrich, Ulrike B. S., Benda, Jan, Gardella, Elena, Lerche, Holger, Møller, Rikke S., Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], BMBF, Treat-ION, 01GM1907 [sponsor], Johannesen, Katrine M., Liu, Yuanyuan, Koko, Mahmoud, Gjerulfsen, Cathrine E., Sonnenberg, Lukas, Schubert, Julian, Fenger, Christina D., Eltokhi, Ahmed, Rannap, Maert, Koch, Nils A., Lauxmann, Stephan, Krüger, Johanna, Kegele, Josua, Canafoglia, Laura, Franceschetti, Silvana, Mayer, Thomas, Rebstock, Johannes, Zacher, Pia, Ruf, Susanne, Alber, Michael, Sterbova, Katalin, Lassuthová, Petra, Vlckova, Marketa, Lemke, Johannes R., Platzer, Konrad, Krey, Ilona, Heine, Constanze, Wieczorek, Dagmar, Kroell-Seger, Judith, Lund, Caroline, Klein, Karl Martin, Billie Au, P. Y., Rho, Jong M., Ho, Alice W., Masnada, Silvia, Veggiotti, Pierangelo, Giordano, Lucio, Accorsi, Patrizia, Hoei-Hansen, Christina E., Striano, Pasquale, Zara, Federico, Verhelst, Helene, Verhoeven, Judith S., van der Zwaag, Bert, Harder, Aster V. E., Brilstra, Eva, Pendziwiat, Manuela, Lebon, Sebastian, Vaccarezza, Maria, Minh Le, Ngoc, Christensen, Jakob, Grønborg, Sabine, Scherer, Stephen W., Howe, Jennifer, Fazeli, Walid, Howell, Katherine B., Leventer, Richard, Stutterd, Chloe, Walsh, Sonja, Gerard, Marion, Gerard, Bénédicte, Matricardi, Sara, Bonardi, Claudia M., Sartori, Stefano, Berger, Andrea, Hoffman-Zacharska, Dorota, Mastrangelo, Massimo, Darra, Francesca, Vøllo, Arve, Motazacker, M. Mahdi, Lakeman, Phillis, Nizon, Mathilde, Betzler, Cornelia, Altuzarra, Cecilia, Caume, Roseline, Roubertie, Agathe, Gélisse, Philippe, Marini, Carla, Guerrini, Renzo, Bilan, Frederic, Tibussek, Daniel, Koch-Hogrebe, Margarete, Perry, M. Scott, Ichikawa, Shoji, Dadali, Elena, Sharkov, Artem, Mishina, Irina, Abramov, Mikhail, Kanivets, Ilya, Korostelev, Sergey, Kutsev, Sergey, Wain, Karen E., Eisenhauer, Nancy, Wagner, Monisa, Savatt, Juliann M., Müller-Schlüter, Karen, Bassan, Haim, Borovikov, Artem, Nassogne, Marie-Cecile, Destrée, Anne, Schoonjans, An-Sofie, Meuwissen, Marije, Buzatu, Marga, Jansen, Anna, Scalais, Emmanuel, Srivastava, Siddharth, Tan, Wen-Hann, Olson, Heather E., Loddenkemper, Tobias, Poduri, Annapurna, Helbig, Katherine L., Helbig, Ingo, Fitzgerald, Mark P., Goldberg, Ethan M., Roser, Timo, Borggraefe, Ingo, Brünger, Tobias, May, Patrick, Lal, Dennis, Lederer, Damien, Rubboli, Guido, Heyne, Henrike O., Lesca, Gaetan, Hedrich, Ulrike B. S., Benda, Jan, Gardella, Elena, Lerche, Holger, and Møller, Rikke S.

Abstract

We report detailed functional analyses and genotype-phenotype correlations in 392 individuals carrying disease-causing variants in SCN8A, encoding the voltage-gated Na+ channel NaV1.6, with the aim of describing clinical phenotypes related to functional effects. Six different clinical subgroups could be identified: 1) Benign familial infantile epilepsy (BFIE) (n = 15, normal cognition, treatable seizures), 2) intermediate epilepsy (n = 33, mild ID, partially pharmaco-responsive), 3) developmental and epileptic encephalopathy (DEE, n = 177, severe ID, majority pharmaco-resistant), 4) generalized epilepsy (n = 20, mild to moderate ID, frequently with absence seizures), 5) unclassifiable epilepsy (n = 127), and 6) neurodevelopmental disorder without epilepsy (n = 20, mild to moderate ID). Groups 1–3 presented with focal or multifocal seizures (median age of onset: four months) and focal epileptiform discharges, whereas the onset of seizures in group 4 was later (median: 42 months) with generalized epileptiform discharges. We performed functional studies expressing missense variants in ND7/23 neuroblastoma cells and primary neuronal cultures using recombinant tetrodotoxin-insensitive human NaV1.6 channels and whole-cell patch-clamping. Two variants causing DEE showed a strong gain-of-function (GOF, hyperpolarising shift of steady-state activation, strongly increased neuronal firing rate), and one variant causing BFIE or intermediate epilepsy showed a mild GOF (defective fast inactivation, less increased firing). In contrast, all three variants causing generalized epilepsy induced a loss-of-function (LOF, reduced current amplitudes, depolarising shift of steady-state activation, reduced neuronal firing). Including previous studies, functional effects were known for 170 individuals. All 136 individuals carrying a functionally tested GOF variant had either focal (97, groups 1–3), or unclassifiable epilepsy (39), whereas 34 with a LOF variant had either generalized (14), no

Published
2022

13. Genotype-phenotype correlations in SCN8A-related disorders reveal prognostic and therapeutic implications

Author

Johannesen, Katrine M., Liu, Yuanyuan, Koko, Mahmoud, Gjerulfsen, Cathrine E., Sonnenberg, Lukas, Schubert, Julian, Fenger, Christina D., Eltokhi, Ahmed, Rannap, Maert, Koch, Nils A., Lauxmann, Stephan, Krüger, Johanna, Kegele, Josua, Canafoglia, Laura, Franceschetti, Silvana, Mayer, Thomas, Rebstock, Johannes, Zacher, Pia, Ruf, Susanne, Alber, Michael, Sterbova, Katalin, Lassuthová, Petra, Vlckova, Marketa, Lemke, Johannes R., Platzer, Konrad, Krey, Ilona, Heine, Constanze, Wieczorek, Dagmar, Kroell-Seger, Judith, Lund, Caroline, Klein, Karl Martin, Au, P. Y.Billie, Rho, Jong M., Ho, Alice W., Masnada, Silvia, Veggiotti, Pierangelo, Giordano, Lucio, Accorsi, Patrizia, Hoei-Hansen, Christina E., Striano, Pasquale, Zara, Federico, Verhelst, Helene, Verhoeven, Judith S., Braakman, Hilde M.H., van der Zwaag, Bert, Harder, Aster V.E., Brilstra, Eva, Pendziwiat, Manuela, Lebon, Sebastian, Vaccarezza, Maria, Le, Ngoc Minh, Christensen, Jakob, Grønborg, Sabine, Scherer, Stephen W., Howe, Jennifer, Fazeli, Walid, Howell, Katherine B., Leventer, Richard, Stutterd, Chloe, Walsh, Sonja, Gerard, Marion, Gerard, Bénédicte, Matricardi, Sara, Bonardi, Claudia M., Sartori, Stefano, Berger, Andrea, Hoffman-Zacharska, Dorota, Mastrangelo, Massimo, Darra, Francesca, Vøllo, Arve, Motazacker, M. Mahdi, Lakeman, Phillis, Nizon, Mathilde, Betzler, Cornelia, Altuzarra, Cecilia, Caume, Roseline, Roubertie, Agathe, Gélisse, Philippe, Marini, Carla, Guerrini, Renzo, Bilan, Frederic, Tibussek, Daniel, Koch-Hogrebe, Margarete, Perry, M. Scott, Ichikawa, Shoji, Dadali, Elena, Sharkov, Artem, Mishina, Irina, Abramov, Mikhail, Kanivets, Ilya, Korostelev, Sergey, Kutsev, Sergey, Wain, Karen E., Eisenhauer, Nancy, Wagner, Monisa, Savatt, Juliann M., Müller-Schlüter, Karen, Bassan, Haim, Borovikov, Artem, Nassogne, Marie Cecile, Destrée, Anne, Schoonjans, An Sofie, Meuwissen, Marije, Buzatu, Marga, Jansen, Anna, Scalais, Emmanuel, Srivastava, Siddharth, Tan, Wen Hann, Olson, Heather E., Loddenkemper, Tobias, Poduri, Annapurna, Helbig, Katherine L., Helbig, Ingo, Fitzgerald, Mark P., Goldberg, Ethan M., Roser, Timo, Borggraefe, Ingo, Brünger, Tobias, May, Patrick, Lal, Dennis, Lederer, Damien, Rubboli, Guido, Heyne, Henrike O., Lesca, Gaetan, Hedrich, Ulrike B.S., Benda, Jan, Gardella, Elena, Lerche, Holger, Møller, Rikke S., Johannesen, Katrine M., Liu, Yuanyuan, Koko, Mahmoud, Gjerulfsen, Cathrine E., Sonnenberg, Lukas, Schubert, Julian, Fenger, Christina D., Eltokhi, Ahmed, Rannap, Maert, Koch, Nils A., Lauxmann, Stephan, Krüger, Johanna, Kegele, Josua, Canafoglia, Laura, Franceschetti, Silvana, Mayer, Thomas, Rebstock, Johannes, Zacher, Pia, Ruf, Susanne, Alber, Michael, Sterbova, Katalin, Lassuthová, Petra, Vlckova, Marketa, Lemke, Johannes R., Platzer, Konrad, Krey, Ilona, Heine, Constanze, Wieczorek, Dagmar, Kroell-Seger, Judith, Lund, Caroline, Klein, Karl Martin, Au, P. Y.Billie, Rho, Jong M., Ho, Alice W., Masnada, Silvia, Veggiotti, Pierangelo, Giordano, Lucio, Accorsi, Patrizia, Hoei-Hansen, Christina E., Striano, Pasquale, Zara, Federico, Verhelst, Helene, Verhoeven, Judith S., Braakman, Hilde M.H., van der Zwaag, Bert, Harder, Aster V.E., Brilstra, Eva, Pendziwiat, Manuela, Lebon, Sebastian, Vaccarezza, Maria, Le, Ngoc Minh, Christensen, Jakob, Grønborg, Sabine, Scherer, Stephen W., Howe, Jennifer, Fazeli, Walid, Howell, Katherine B., Leventer, Richard, Stutterd, Chloe, Walsh, Sonja, Gerard, Marion, Gerard, Bénédicte, Matricardi, Sara, Bonardi, Claudia M., Sartori, Stefano, Berger, Andrea, Hoffman-Zacharska, Dorota, Mastrangelo, Massimo, Darra, Francesca, Vøllo, Arve, Motazacker, M. Mahdi, Lakeman, Phillis, Nizon, Mathilde, Betzler, Cornelia, Altuzarra, Cecilia, Caume, Roseline, Roubertie, Agathe, Gélisse, Philippe, Marini, Carla, Guerrini, Renzo, Bilan, Frederic, Tibussek, Daniel, Koch-Hogrebe, Margarete, Perry, M. Scott, Ichikawa, Shoji, Dadali, Elena, Sharkov, Artem, Mishina, Irina, Abramov, Mikhail, Kanivets, Ilya, Korostelev, Sergey, Kutsev, Sergey, Wain, Karen E., Eisenhauer, Nancy, Wagner, Monisa, Savatt, Juliann M., Müller-Schlüter, Karen, Bassan, Haim, Borovikov, Artem, Nassogne, Marie Cecile, Destrée, Anne, Schoonjans, An Sofie, Meuwissen, Marije, Buzatu, Marga, Jansen, Anna, Scalais, Emmanuel, Srivastava, Siddharth, Tan, Wen Hann, Olson, Heather E., Loddenkemper, Tobias, Poduri, Annapurna, Helbig, Katherine L., Helbig, Ingo, Fitzgerald, Mark P., Goldberg, Ethan M., Roser, Timo, Borggraefe, Ingo, Brünger, Tobias, May, Patrick, Lal, Dennis, Lederer, Damien, Rubboli, Guido, Heyne, Henrike O., Lesca, Gaetan, Hedrich, Ulrike B.S., Benda, Jan, Gardella, Elena, Lerche, Holger, and Møller, Rikke S.

Abstract

We report detailed functional analyses and genotype-phenotype correlations in 392 individuals carrying disease-causing variants in SCN8A, encoding the voltage-gated Na+ channel Nav1.6, with the aim of describing clinical phenotypes related to functional effects. Six different clinical subgroups were identified: Group 1, benign familial infantile epilepsy (n = 15, normal cognition, treatable seizures); Group 2, intermediate epilepsy (n = 33, mild intellectual disability, partially pharmaco-responsive); Group 3, developmental and epileptic encephalopathy (n = 177, severe intellectual disability, majority pharmaco-resistant); Group 4, generalized epilepsy (n = 20, mild to moderate intellectual disability, frequently with absence seizures); Group 5, unclassifiable epilepsy (n = 127); and Group 6, neurodevelopmental disorder without epilepsy (n = 20, mild to moderate intellectual disability). Those in Groups 1-3 presented with focal or multifocal seizures (median age of onset: 4 months) and focal epileptiform discharges, whereas the onset of seizures in patients with generalized epilepsy was later (median: 42 months) with generalized epileptiform discharges. We performed functional studies expressing missense variants in ND7/23 neuroblastoma cells and primary neuronal cultures using recombinant tetrodotoxin-insensitive human Nav1.6 channels and whole-cell patch-clamping. Two variants causing developmental and epileptic encephalopathy showed a strong gain-of-function (hyperpolarizing shift of steady-state activation, strongly increased neuronal firing rate) and one variant causing benign familial infantile epilepsy or intermediate epilepsy showed a mild gain-of-function (defective fast inactivation, less increased firing). In contrast, all three variants causing generalized epilepsy induced a loss-of-function (reduced current amplitudes, depolarizing shift of steady-state activation, reduced neuronal firing). Functional effects were known for 170 individuals. All 136 i

Published
2022

14. De novo coding variants in the AGO1 gene cause a neurodevelopmental disorder with intellectual disability

Author

Genetica Sectie Genoomdiagnostiek, Child Health, Schalk, Audrey, Cousin, Margot A, Dsouza, Nikita R, Challman, Thomas D, Wain, Karen E, Powis, Zoe, Minks, Kelly, Trimouille, Aurélien, Lasseaux, Eulalie, Lacombe, Didier, Angelini, Chloé, Michaud, Vincent, Van-Gils, Julien, Spataro, Nino, Ruiz, Anna, Gabau, Elizabeth, Stolerman, Elliot, Washington, Camerun, Louie, Ray, Lanpher, Brendan C, Kemppainen, Jennifer L, Innes, Micheil, Kooy, Frank, Meuwissen, Marije, Goldenberg, Alice, Lecoquierre, Francois, Vera, Gabriella, Diderich, Karin E M, Sheidley, Beth, El Achkar, Christelle Moufawad, Park, Meredith, Hamdan, Fadi F, Michaud, Jacques L, Lewis, Ann J, Zweier, Christiane, Reis, André, Wagner, Matias, Weigand, Heike, Journel, Hubert, Keren, Boris, Passemard, Sandrine, Mignot, Cyril, van Gassen, Koen, Brilstra, Eva H, Itzikowitz, Gina, O'Heir, Emily, Allen, Jake, Donald, Kirsten A, Korf, Bruce Richard, Skelton, Tammi, Thompson, Michelle, Robin, Nathaniel H, Rudy, Natasha L, Dobyns, William B, Foss, Kimberly, Zarate, Yuri Alexander, Bosanko, Katherine A, Alembik, Yves, Durand, Benjamin, Tran Mau-Them, Frederic, Ranza, Emmanuelle, Blanc, Xavier, Antonarakis, Stylianos E, McWalter, Kirsty, Torti, Erin, Millan, Francisca, Dameron, Amy, Tokita, Mari, Zimmermann, Michael T, Klee, Eric W, Piton, Amelie, Gerard, Benedicte, Genetica Sectie Genoomdiagnostiek, Child Health, Schalk, Audrey, Cousin, Margot A, Dsouza, Nikita R, Challman, Thomas D, Wain, Karen E, Powis, Zoe, Minks, Kelly, Trimouille, Aurélien, Lasseaux, Eulalie, Lacombe, Didier, Angelini, Chloé, Michaud, Vincent, Van-Gils, Julien, Spataro, Nino, Ruiz, Anna, Gabau, Elizabeth, Stolerman, Elliot, Washington, Camerun, Louie, Ray, Lanpher, Brendan C, Kemppainen, Jennifer L, Innes, Micheil, Kooy, Frank, Meuwissen, Marije, Goldenberg, Alice, Lecoquierre, Francois, Vera, Gabriella, Diderich, Karin E M, Sheidley, Beth, El Achkar, Christelle Moufawad, Park, Meredith, Hamdan, Fadi F, Michaud, Jacques L, Lewis, Ann J, Zweier, Christiane, Reis, André, Wagner, Matias, Weigand, Heike, Journel, Hubert, Keren, Boris, Passemard, Sandrine, Mignot, Cyril, van Gassen, Koen, Brilstra, Eva H, Itzikowitz, Gina, O'Heir, Emily, Allen, Jake, Donald, Kirsten A, Korf, Bruce Richard, Skelton, Tammi, Thompson, Michelle, Robin, Nathaniel H, Rudy, Natasha L, Dobyns, William B, Foss, Kimberly, Zarate, Yuri Alexander, Bosanko, Katherine A, Alembik, Yves, Durand, Benjamin, Tran Mau-Them, Frederic, Ranza, Emmanuelle, Blanc, Xavier, Antonarakis, Stylianos E, McWalter, Kirsty, Torti, Erin, Millan, Francisca, Dameron, Amy, Tokita, Mari, Zimmermann, Michael T, Klee, Eric W, Piton, Amelie, and Gerard, Benedicte

Published
2022

15. Genotype-phenotype correlations in SCN8A-related disorders reveal prognostic and therapeutic implications

Author

Genetica Sectie Genoomdiagnostiek, Child Health, Genetica Klinische Genetica, Brain, Johannesen, Katrine M, Liu, Yuanyuan, Koko, Mahmoud, Gjerulfsen, Cathrine E, Sonnenberg, Lukas, Schubert, Julian, Fenger, Christina D, Eltokhi, Ahmed, Rannap, Maert, Koch, Nils A, Lauxmann, Stephan, Krüger, Johanna, Kegele, Josua, Canafoglia, Laura, Franceschetti, Silvana, Mayer, Thomas, Rebstock, Johannes, Zacher, Pia, Ruf, Susanne, Alber, Michael, Sterbova, Katalin, Lassuthová, Petra, Vlckova, Marketa, Lemke, Johannes R, Platzer, Konrad, Krey, Ilona, Heine, Constanze, Wieczorek, Dagmar, Kroell-Seger, Judith, Lund, Caroline, Klein, Karl Martin, Billie Au, P Y, Rho, Jong M, Ho, Alice W, Masnada, Silvia, Veggiotti, Pierangelo, Giordano, Lucio, Accorsi, Patrizia, Hoei-Hansen, Christina E, Striano, Pasquale, Zara, Federico, Verhelst, Helene, Verhoeven, Judith S, van der Zwaag, Bert, Harder, Aster V E, Brilstra, Eva, Pendziwiat, Manuela, Lebon, Sebastian, Vaccarezza, Maria, Minh Le, Ngoc, Christensen, Jakob, Grønborg, Sabine, Scherer, Stephen W, Howe, Jennifer, Fazeli, Walid, Howell, Katherine B, Leventer, Richard, Stutterd, Chloe, Walsh, Sonja, Gerard, Marion, Gerard, Bénédicte, Matricardi, Sara, Bonardi, Claudia M, Sartori, Stefano, Berger, Andrea, Hoffman-Zacharska, Dorota, Mastrangelo, Massimo, Darra, Francesca, Vøllo, Arve, Motazacker, M Mahdi, Lakeman, Phillis, Nizon, Mathilde, Betzler, Cornelia, Altuzarra, Cecilia, Caume, Roseline, Roubertie, Agathe, Gélisse, Philippe, Marini, Carla, Guerrini, Renzo, Bilan, Frederic, Tibussek, Daniel, Koch-Hogrebe, Margarete, Perry, M Scott, Ichikawa, Shoji, Dadali, Elena, Sharkov, Artem, Mishina, Irina, Abramov, Mikhail, Kanivets, Ilya, Korostelev, Sergey, Kutsev, Sergey, Wain, Karen E, Eisenhauer, Nancy, Wagner, Monisa, Savatt, Juliann M, Müller-Schlüter, Karen, Bassan, Haim, Borovikov, Artem, Nassogne, Marie-Cecile, Destrée, Anne, Schoonjans, An-Sofie, Meuwissen, Marije, Buzatu, Marga, Jansen, Anna, Scalais, Emmanuel, Srivastava, Siddharth, Tan, Wen-Hann, Olson, Heather E, Loddenkemper, Tobias, Poduri, Annapurna, Helbig, Katherine L, Helbig, Ingo, Fitzgerald, Mark P, Goldberg, Ethan M, Roser, Timo, Borggraefe, Ingo, Brünger, Tobias, May, Patrick, Lal, Dennis, Lederer, Damien, Rubboli, Guido, Heyne, Henrike O, Lesca, Gaetan, Hedrich, Ulrike B S, Benda, Jan, Gardella, Elena, Lerche, Holger, Møller, Rikke S, Genetica Sectie Genoomdiagnostiek, Child Health, Genetica Klinische Genetica, Brain, Johannesen, Katrine M, Liu, Yuanyuan, Koko, Mahmoud, Gjerulfsen, Cathrine E, Sonnenberg, Lukas, Schubert, Julian, Fenger, Christina D, Eltokhi, Ahmed, Rannap, Maert, Koch, Nils A, Lauxmann, Stephan, Krüger, Johanna, Kegele, Josua, Canafoglia, Laura, Franceschetti, Silvana, Mayer, Thomas, Rebstock, Johannes, Zacher, Pia, Ruf, Susanne, Alber, Michael, Sterbova, Katalin, Lassuthová, Petra, Vlckova, Marketa, Lemke, Johannes R, Platzer, Konrad, Krey, Ilona, Heine, Constanze, Wieczorek, Dagmar, Kroell-Seger, Judith, Lund, Caroline, Klein, Karl Martin, Billie Au, P Y, Rho, Jong M, Ho, Alice W, Masnada, Silvia, Veggiotti, Pierangelo, Giordano, Lucio, Accorsi, Patrizia, Hoei-Hansen, Christina E, Striano, Pasquale, Zara, Federico, Verhelst, Helene, Verhoeven, Judith S, van der Zwaag, Bert, Harder, Aster V E, Brilstra, Eva, Pendziwiat, Manuela, Lebon, Sebastian, Vaccarezza, Maria, Minh Le, Ngoc, Christensen, Jakob, Grønborg, Sabine, Scherer, Stephen W, Howe, Jennifer, Fazeli, Walid, Howell, Katherine B, Leventer, Richard, Stutterd, Chloe, Walsh, Sonja, Gerard, Marion, Gerard, Bénédicte, Matricardi, Sara, Bonardi, Claudia M, Sartori, Stefano, Berger, Andrea, Hoffman-Zacharska, Dorota, Mastrangelo, Massimo, Darra, Francesca, Vøllo, Arve, Motazacker, M Mahdi, Lakeman, Phillis, Nizon, Mathilde, Betzler, Cornelia, Altuzarra, Cecilia, Caume, Roseline, Roubertie, Agathe, Gélisse, Philippe, Marini, Carla, Guerrini, Renzo, Bilan, Frederic, Tibussek, Daniel, Koch-Hogrebe, Margarete, Perry, M Scott, Ichikawa, Shoji, Dadali, Elena, Sharkov, Artem, Mishina, Irina, Abramov, Mikhail, Kanivets, Ilya, Korostelev, Sergey, Kutsev, Sergey, Wain, Karen E, Eisenhauer, Nancy, Wagner, Monisa, Savatt, Juliann M, Müller-Schlüter, Karen, Bassan, Haim, Borovikov, Artem, Nassogne, Marie-Cecile, Destrée, Anne, Schoonjans, An-Sofie, Meuwissen, Marije, Buzatu, Marga, Jansen, Anna, Scalais, Emmanuel, Srivastava, Siddharth, Tan, Wen-Hann, Olson, Heather E, Loddenkemper, Tobias, Poduri, Annapurna, Helbig, Katherine L, Helbig, Ingo, Fitzgerald, Mark P, Goldberg, Ethan M, Roser, Timo, Borggraefe, Ingo, Brünger, Tobias, May, Patrick, Lal, Dennis, Lederer, Damien, Rubboli, Guido, Heyne, Henrike O, Lesca, Gaetan, Hedrich, Ulrike B S, Benda, Jan, Gardella, Elena, Lerche, Holger, and Møller, Rikke S

Published
2022

16. Measuring quality and value in genetic counseling: The current landscape and future directions.

Author

Higgs, Emily, Wain, Karen E., Wynn, Julia, Cho, Megan T., Higgins, Sonja, Blaisdell, David, Dugan, Donna, Valek, Sara, and Cohen, Stephanie

Abstract

Genetic counselors strive to provide high‐quality genetic services. To do so, it is essential to define quality in genetic counseling and identify opportunities for improvement. This Professional Issues article provides an overview of the evaluation of healthcare quality in genetic counseling. The National Society of Genetic Counselors' Research, Quality, and Outcomes Committee partnered with Discern Health, a value‐based healthcare policy consulting firm, to develop a care continuum model of genetic counseling. Using the proposed model, currently available quality measures relevant to genetic counseling in the US healthcare system were assessed, allowing for the identification of gaps and priority areas for further development. A total of 560 quality measures were identified that can be applied to various aspects of the care continuum model across a range of clinical specialty areas in genetic counseling, although few measures were specific to genetic counseling or genetic conditions. Areas where quality measures were lacking included: attitudes toward genetic testing, family communication, stigma, and issues of justice, equity, diversity, and inclusion. We discuss these findings and other strategies for an evidence‐based approach to quality in genetic counseling. Strategic directions for the genetic counseling profession should include a consolidated approach to research on quality and value of genetic counseling, development of quality metrics and patient‐experience measures, and engagement with other improvement activities. These strategies will allow for benchmarking, performance improvement, and future implementation in accountability programs which will strengthen genetic counseling as a profession that provides evidence‐based high‐quality care to all patients. [ABSTRACT FROM AUTHOR]

Published
2023
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17. Genotype-phenotype correlations in SCN8A-related disorders reveal prognostic and therapeutic implications

Author

Johannesen, Katrine Marie, Liu, Yuanyuan, Gjerulfsen, Catherine E., Koko, Mahmoud, Sonnenberg, Lukas, Schubert, Julian, Fenger, Christina Duhring, Eltokhi, Ahmed, Rannap, Maert, Koch, Nils, Lauxmann, Stephan, Krueger, Johanna, Kegele, Josua, Canafoglia, Laura, Franceschetti, Silvana, Mayer, Thomas, Rebstock, Johannes, Zacher, Pia, Ruf, Susanne, Alber, Michael, Sterbova, Katalin, Lassuthova, Petra, Vlckova, Marketa, Lemke, Johannes, Krey, Ilona, Heine, Constanze, Wieczorek, Dagmar, Kroell, Judith, Lund, Caroline, Klein, Karl Martin, Au, Py Billie, Rho, Jong, Ho, Alice, Masnada, Silvia, Veggiotti, Pierangelo, Giordano, Lucio, Accorsi, Patrizia, Hoi-Hansen, Christina, Striano, Pasquale, Zara, Federico, Verhelst, Helene, Verhoeven, Judith S., van der Zwaag, Bert, Harder, Aster, Brilstra, Eva, Pendziwiat, Manuela, Lebon, Sebastien, Vaccarezza, Maria, Le, Ngoc Minh, Christensen, Jakob, Schmidt-Petersen, Mette, Gronborg, Sabine, Scherer, Stephen, Howe, Jennifer, Fazeli, Walid, Howell, Katherine, Leventer, Richard, Stutterd, Chloe, Walsh, Sonja, Gerard, Marion, Gerard, Benedicte, Matricardi, Sara, Bonardi, Claudia M., Sartori, Stefano, Berger, Andrea, Hoffman-Zacharska, Dorota, Mastrangelo, Massimo, Darra, Francesca, Vollo, Arve, Motazacker, M. Mahdi, Lakeman, Phillis, Nizon, Mathilde, Betzler, Cornelia, Altuzarra, Cecilia, Caumes, Roseline, Roubertie, Agathe, Gelisse, Philippe, Marini, Carla, Guerrini, Renzo, Bilan, Frederic, Koch-Hogrebe, Margarete, Perry, Scott, Ichikawa, Shoji, Dadali, Elena, Sharkov, Artem, Mishina, Irina, Abramov, Mikhail, Kanivets, Ilya, Korostelev, Sergey, Kutsev, Sergey, Wain, Karen E., Eisenhauer, Nancy, Wagner, Monisa, Savatt, Juliann, Mueller-Schlueter, Karen, Bassan, Haim, Borovikov, Artem, Nassogne, Marie-Cecile, Destree, Anne, Schoonjans, An-Sofie, Meuwissen, Marije, Buzatu, Marga, Jansen, Anna, Scalais, Emmanuel, Srivastava, Siddarth, Tan, Wen-Hann, Olson, Heather, Loddenkemper, Tobias, Poduri, Annapurna, Helbig, Katherine L., Helbig, Ingo, Fitzgerald, Mark, Goldberg, Ethan M., Roser, Timo, Borggrafe, Ingo, Brunger, Tobias, May, Patrick, Lal, Dennis, Lederer, Damien, Rubboli, Guido, Lesca, Gaetan, Hedrich, Ulrike, Benda, Jan, Gardella, Elena, Lerche, Holger, and Moeller, Rikke Steensbjerre

Published
2021

18. De novo coding variants in the AGO1 gene cause a neurodevelopmental disorder with intellectual disability

Author

Schalk, Audrey, primary, Cousin, Margot A, additional, Dsouza, Nikita R, additional, Challman, Thomas D, additional, Wain, Karen E, additional, Powis, Zoe, additional, Minks, Kelly, additional, Trimouille, Aurélien, additional, Lasseaux, Eulalie, additional, Lacombe, Didier, additional, Angelini, Chloé, additional, Michaud, Vincent, additional, Van-Gils, Julien, additional, Spataro, Nino, additional, Ruiz, Anna, additional, Gabau, Elizabeth, additional, Stolerman, Elliot, additional, Washington, Camerun, additional, Louie, Ray, additional, Lanpher, Brendan C, additional, Kemppainen, Jennifer L, additional, Innes, Micheil, additional, Kooy, Frank, additional, Meuwissen, Marije, additional, Goldenberg, Alice, additional, Lecoquierre, Francois, additional, Vera, Gabriella, additional, Diderich, Karin E M, additional, Sheidley, Beth, additional, El Achkar, Christelle Moufawad, additional, Park, Meredith, additional, Hamdan, Fadi F, additional, Michaud, Jacques L, additional, Lewis, Ann J, additional, Zweier, Christiane, additional, Reis, André, additional, Wagner, Matias, additional, Weigand, Heike, additional, Journel, Hubert, additional, Keren, Boris, additional, Passemard, Sandrine, additional, Mignot, Cyril, additional, van Gassen, Koen, additional, Brilstra, Eva H, additional, Itzikowitz, Gina, additional, O'Heir, Emily, additional, Allen, Jake, additional, Donald, Kirsten A, additional, Korf, Bruce Richard, additional, Skelton, Tammi, additional, Thompson, Michelle, additional, Robin, Nathaniel H, additional, Rudy, Natasha L, additional, Dobyns, William B, additional, Foss, Kimberly, additional, Zarate, Yuri Alexander, additional, Bosanko, Katherine A, additional, Alembik, Yves, additional, Durand, Benjamin, additional, Tran Mau-them, Frederic, additional, Ranza, Emmanuelle, additional, Blanc, Xavier, additional, Antonarakis, Stylianos E, additional, McWalter, Kirsty, additional, Torti, Erin, additional, Millan, Francisca, additional, Dameron, Amy, additional, Tokita, Mari, additional, Zimmermann, Michael T, additional, Klee, Eric W, additional, Piton, Amelie, additional, and Gerard, Benedicte, additional

Published
2021
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20. Genotype-phenotype correlations in SCN8A-related disorders reveal prognostic and therapeutic implications

Author

Johannesen, Katrine M, primary, Liu, Yuanyuan, additional, Koko, Mahmoud, additional, Gjerulfsen, Cathrine E, additional, Sonnenberg, Lukas, additional, Schubert, Julian, additional, Fenger, Christina D, additional, Eltokhi, Ahmed, additional, Rannap, Maert, additional, Koch, Nils A, additional, Lauxmann, Stephan, additional, Krüger, Johanna, additional, Kegele, Josua, additional, Canafoglia, Laura, additional, Franceschetti, Silvana, additional, Mayer, Thomas, additional, Rebstock, Johannes, additional, Zacher, Pia, additional, Ruf, Susanne, additional, Alber, Michael, additional, Sterbova, Katalin, additional, Lassuthová, Petra, additional, Vlckova, Marketa, additional, Lemke, Johannes R, additional, Platzer, Konrad, additional, Krey, Ilona, additional, Heine, Constanze, additional, Wieczorek, Dagmar, additional, Kroell-Seger, Judith, additional, Lund, Caroline, additional, Klein, Karl Martin, additional, Au, P Y Billie, additional, Rho, Jong M, additional, Ho, Alice W, additional, Masnada, Silvia, additional, Veggiotti, Pierangelo, additional, Giordano, Lucio, additional, Accorsi, Patrizia, additional, Hoei-Hansen, Christina E, additional, Striano, Pasquale, additional, Zara, Federico, additional, Verhelst, Helene, additional, Verhoeven, Judith S, additional, Braakman, Hilde M H, additional, van der Zwaag, Bert, additional, Harder, Aster V E, additional, Brilstra, Eva, additional, Pendziwiat, Manuela, additional, Lebon, Sebastian, additional, Vaccarezza, Maria, additional, Le, Ngoc Minh, additional, Christensen, Jakob, additional, Grønborg, Sabine, additional, Scherer, Stephen W, additional, Howe, Jennifer, additional, Fazeli, Walid, additional, Howell, Katherine B, additional, Leventer, Richard, additional, Stutterd, Chloe, additional, Walsh, Sonja, additional, Gerard, Marion, additional, Gerard, Bénédicte, additional, Matricardi, Sara, additional, Bonardi, Claudia M, additional, Sartori, Stefano, additional, Berger, Andrea, additional, Hoffman-Zacharska, Dorota, additional, Mastrangelo, Massimo, additional, Darra, Francesca, additional, Vøllo, Arve, additional, Motazacker, M Mahdi, additional, Lakeman, Phillis, additional, Nizon, Mathilde, additional, Betzler, Cornelia, additional, Altuzarra, Cecilia, additional, Caume, Roseline, additional, Roubertie, Agathe, additional, Gélisse, Philippe, additional, Marini, Carla, additional, Guerrini, Renzo, additional, Bilan, Frederic, additional, Tibussek, Daniel, additional, Koch-Hogrebe, Margarete, additional, Perry, M Scott, additional, Ichikawa, Shoji, additional, Dadali, Elena, additional, Sharkov, Artem, additional, Mishina, Irina, additional, Abramov, Mikhail, additional, Kanivets, Ilya, additional, Korostelev, Sergey, additional, Kutsev, Sergey, additional, Wain, Karen E, additional, Eisenhauer, Nancy, additional, Wagner, Monisa, additional, Savatt, Juliann M, additional, Müller-Schlüter, Karen, additional, Bassan, Haim, additional, Borovikov, Artem, additional, Nassogne, Marie Cecile, additional, Destrée, Anne, additional, Schoonjans, An Sofie, additional, Meuwissen, Marije, additional, Buzatu, Marga, additional, Jansen, Anna, additional, Scalais, Emmanuel, additional, Srivastava, Siddharth, additional, Tan, Wen Hann, additional, Olson, Heather E, additional, Loddenkemper, Tobias, additional, Poduri, Annapurna, additional, Helbig, Katherine L, additional, Helbig, Ingo, additional, Fitzgerald, Mark P, additional, Goldberg, Ethan M, additional, Roser, Timo, additional, Borggraefe, Ingo, additional, Brünger, Tobias, additional, May, Patrick, additional, Lal, Dennis, additional, Lederer, Damien, additional, Rubboli, Guido, additional, Heyne, Henrike O, additional, Lesca, Gaetan, additional, Hedrich, Ulrike B S, additional, Benda, Jan, additional, Gardella, Elena, additional, Lerche, Holger, additional, and Møller, Rikke S, additional

Published
2021
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21. Genotype-phenotype correlations in SCN8A-related disorders reveal prognostic and therapeutic implications

Author

Johannesen, Katrine M., Liu, Yuanyuan, Gjerulfsen, Cathrine E., Koko, Mahmoud, Sonnenberg, Lukas, Schubert, Julian, Fenger, Christina D., Eltokhi, Ahmed, Rannap, Maert, Koch, Nils A., Lauxmann, Stephan, Krüger, Johanna, Kegele, Josua, Canafoglia, Laura, Franceschetti, Silvana, Mayer, Thomas, Rebstock, Johannes, Zacher, Pia, Ruf, Susanne, Alber, Michael, Sterbova, Katalin, Lassuthová, Petra, Vlckova, Marketa, Lemke, Johannes R., Krey, Ilona, Heine, Constanze, Wieczorek, Dagmar, Kroell-Seger, Judith, Lund, Caroline, Klein, Karl Martin, Au, P. Y. Billie, Rho, Jong M., Ho, Alice W., Masnada, Silvia, Veggiotti, Pierangelo, Giordano, Lucio, Accorsi, Patrizia, Hoei-Hansen, Christina E., Striano, Pasquale, Zara, Federico, Verhelst, Helene, S.Verhoeven, Judith, van der Zwaag, Bert, Harder, Aster V. E., Brilstra, Eva, Pendziwiat, Manuela, Lebon, Sebastian, Vaccarezza, Maria, Le, Ngoc Minh, Christensen, Jakob, Schmidt-Petersen, Mette U., Grønborg, Sabine, Scherer, Stephen W., Howe, Jennifer, Fazeli, Walid, Howell, Katherine B., Leventer, Richard, Stutterd, Chloe, Walsh, Sonja, Gerard, Marion, Gerard, Bénédicte, Matricardi, Sara, Bonardi, Claudia M., Sartori, Stefano, Berger, Andrea, Hoffman-Zacharska, Dorota, Mastrangelo, Massimo, Darra, Francesca, Vøllo, Arve, Motazacker, M. Mahdi, Lakeman, Phillis, Nizon, Mathilde, Betzler, Cornelia, Altuzarra, Cecilia, Caume, Roseline, Roubertie, Agathe, Gélisse, Philippe, Marini, Carla, Guerrini, Renzo, Bilan, Frederic, Tibussek, Daniel, Koch-Hogrebe, Margarete, Perry, M. Scott, Ichikawa, Shoji, Dadali, Elena, Sharkov, Artem, Mishina, Irina, Abramov, Mikhail, Kanivets, Ilya, Korostelev, Sergey, Kutsev, Sergey, Wain, Karen E., Eisenhauer, Nancy, Wagner, Monisa, Savatt, Juliann M., Müller-Schlüter, Karen, Bassan, Haim, Borovikov, Artem, Nassogne, Marie-Cecile, Destrée, Anne, Schoonjans, An-Sofie, Meuwissen, Marije, Buzatu, Marga, Jansen, Anna, Scalais, Emmanuel, Srivastava, Siddharth, Tan, Wen-Hann, Olson, Heather E., Loddenkemper, Tobias, Poduri, Annapurna, Helbig, Katherine L., Helbig, Ingo, Fitzgerald, Mark P., Goldberg, Ethan M., Roser, Timo, Borggraefe, Ingo, Brünger, Tobias, May, Patrick, Lal, Dennis, Lederer, Damien, Rubboli, Guido, Lesca, Gaetan, Hedrich, Ulrike B. S., Benda, Jan, Gardella, Elena, Lerche, Holger, Møller, Rikke S., and Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center]

Subjects
Genetics & genetic processes [F10] [Life sciences], Génétique & processus génétiques [F10] [Sciences du vivant]
Abstract

We report detailed functional analyses and genotype-phenotype correlations in 433 individuals carrying disease-causing variants in SCN8A, encoding the voltage-gated Na+ channel NaV1.6. Five different clinical subgroups could be identified: 1) Benign familial infantile epilepsy (BFIE) (n=17, normal cognition, treatable seizures), 2) intermediate epilepsy (n=36, mild ID, partially pharmacoresponsive), 3) developmental and epileptic encephalopathy (DEE, n=191, severe ID, majority pharmacoresistant), 4) generalized epilepsy (n=21, mild to moderate ID, frequently with absence seizures), and 5) affected individuals without epilepsy (n=25, mild to moderate ID). Groups 1-3 presented with early-onset (median: four months) focal or multifocal seizures and epileptic discharges, whereas the onset of seizures in group 4 was later (median: 39 months) with generalized epileptic discharges. The epilepsy was not classifiable in 143 individuals. We performed functional studies expressing missense variants in ND7/23 neuroblastoma cells and primary neuronal cultures using recombinant tetrodotoxin insensitive human NaV1.6 channels and whole-cell patch clamping. Two variants causing DEE showed a strong gain-of-function (GOF, hyperpolarising shift of steady-state activation, strongly increased neuronal firing rate), and one variant causing BFIE or intermediate epilepsy showed a mild GOF (defective fast inactivation, less increased firing). In contrast, all three variants causing generalized epilepsy induced a loss-of-function (LOF, reduced current amplitudes, depolarising shift of steady-state activation, reduced neuronal firing). Including previous studies, functional effects were known for 165 individuals. All 133 individuals carrying GOF variants had either focal (76, groups 1-3), or unclassifiable epilepsy (37), whereas 32 with LOF variants had either generalized (14), no (11) or unclassifiable (5) epilepsy; only two had DEE. Computational modeling in the GOF group revealed a significant correlation between the severity of the electrophysiological and clinical phenotypes. GOF variant carriers responded significantly better to sodium channel blockers (SCBs) than to other anti-seizure medications, and the same applied for all individuals of groups 1-3.In conclusion, our data reveal clear genotype-phenotype correlations between age at seizure onset, type of epilepsy and gain- or loss-of-function effects of SCN8A variants. Generalized epilepsy with absence seizures is the main epilepsy phenotype of LOF variant carriers and the extent of the electrophysiological dysfunction of the GOF variants is a main determinant of the severity of the clinical phenotype in focal epilepsies. Our pharmacological data indicate that SCBs present a therapeutic treatment option in early onset SCN8A-related focal epilepsy.

Published
2021

22. De novo coding variants in the AGO1 gene cause a neurodevelopmental disorder with intellectual disability.

Author

Schalk, Audrey, Cousin, Margot A., Dsouza, Nikita R., Challman, Thomas D., Wain, Karen E., Powis, Zoe, Minks, Kelly, Trimouille, Aurélien, Lasseaux, Eulalie, Lacombe, Didier, Angelini, Chloé, Michaud, Vincent, Van-Gils, Julien, Spataro, Nino, Ruiz, Anna, Gabau, Elizabeth, Stolerman, Elliot, Washington, Camerun, Louie, Ray, and Lanpher, Brendan C.

Abstract

Background High-impact pathogenic variants in more than a thousand genes are involved in Mendelian forms of neurodevelopmental disorders (NDD). Methods This study describes the molecular and clinical characterisation of 28 probands with NDD harbouring heterozygous AGO1 coding variants, occurring de novo for all those whose transmission could have been verified (26/28). Results A total of 15 unique variants leading to amino acid changes or deletions were identified: 12 missense variants, two in- frame deletions of one codon, and one canonical splice variant leading to a deletion of two amino acid residues. Recurrently identified variants were present in several unrelated individuals: p.(Phe180del), p.(Leu190Pro), p.(Leu190Arg), p.(Gly199Ser), p.(Val254Ile) and p.(Glu376del). AGO1 encodes the Argonaute 1 protein, which functions in gene- silencing pathways mediated by small non- coding RNAs. Three- dimensional protein structure predictions suggest that these variants might alter the flexibility of the AGO1 linker domains, which likely would impair its function in mRNA processing. Affected individuals present with intellectual disability of varying severity, as well as speech and motor delay, autistic behaviour and additional behavioural manifestation Conclusion Our study establishes that de novo coding variants in AGO1 are involved in a novel monogenic form of NDD, highly similar to the recently reported AGO2-related NDD. [ABSTRACT FROM AUTHOR]

Published
2022
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23. Molecular Diagnostic Yield of Exome Sequencing in Patients With Cerebral Palsy

Author

Moreno-De-Luca, Andrés, primary, Millan, Francisca, additional, Pesacreta, Denis R., additional, Elloumi, Houda Z., additional, Oetjens, Matthew T., additional, Teigen, Claire, additional, Wain, Karen E., additional, Scuffins, Julie, additional, Myers, Scott M., additional, Torene, Rebecca I., additional, Gainullin, Vladimir G., additional, Arvai, Kevin, additional, Kirchner, H. Lester, additional, Ledbetter, David H., additional, Retterer, Kyle, additional, and Martin, Christa L., additional

Published
2021
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25. Population Genomic Screening for Genetic Etiologies of Neurodevelopmental/Psychiatric Disorders Demonstrates Personal Utility and Positive Participant Responses

Author

Wain, Karen E., primary, Tolwinski, Kasia, additional, Palen, Emily, additional, Heidlebaugh, Alexis R., additional, Holdren, Karahlyn, additional, Walsh, Lauren Kasparson, additional, Oetjens, Matthew T., additional, Ledbetter, David H., additional, and Martin, Christa Lese, additional

Published
2021
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26. Additional file 1 of Application of a framework to guide genetic testing communication across clinical indications

Author

Hallquist, Miranda L. G., Tricou, Eric P., Ormond, Kelly E., Savatt, Juliann M., Coughlin, Curtis R., W. Andrew Faucett, Hercher, Laura, Levy, Howard P., O’Daniel, Julianne M., Peay, Holly L., Stosic, Melissa, Smith, Maureen, Uhlmann, Wendy R., Wand, Hannah, Wain, Karen E., and Buchanan, Adam H.

Abstract

Additional file 1: Supplementary Methods. Detailed description of methods for operationalizing the CADRe pre- and post-test rubrics.

Published
2021
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27. Defining the Critical Components of Informed Consent for Genetic Testing

Author

Ormond, Kelly E., Borensztein, Maia J., Hallquist, Miranda L.G., Buchanan, Adam H., Faucett, William Andrew, Peay, Holly L., Smith, Maureen E., Tricou, Eric P., Uhlmann, Wendy R., Wain, Karen E., and Coughlin, Curtis R.

Subjects
informed consent
Abstract

Purpose: Informed consent for genetic testing has historically been acquired during pretest genetic counseling, without specific guidance defining which core concepts are required. Methods: The Clinical Genome Resource (ClinGen) Consent and Disclosure Recommendations Workgroup (CADRe) used an expert consensus process to identify the core concepts essential to consent for clinical genetic testing. A literature review identified 77 concepts that are included in informed consent for genetic tests. Twenty-five experts (9 medical geneticists, 8 genetic counselors, and 9 bioethicists) completed two rounds of surveys ranking concepts’ importance to informed consent. Results: The most highly ranked concepts included: (1) genetic testing is voluntary; (2) why is the test recommended and what does it test for?; (3) what results will be returned and to whom?; (4) are there other types of potential results, and what choices exist?; (5) how will the prognosis and management be impacted by results?; (6) what is the potential family impact?; (7) what are the test limitations and next steps?; and (8) potential risk of genetic discrimination and legal protections. Conclusion: Defining the core concepts necessary for informed consent for genetic testing provides a foundation for quality patient care across a variety of healthcare providers and clinical indications., Journal of Personalized Medicine, 11 (S 12)

Published
2021
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28. Genotype-phenotype correlations in SCN8A-related disorders reveal prognostic and therapeutic implications

Author

Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], Johannesen, Katrine M., Liu, Yuanyuan, Gjerulfsen, Cathrine E., Koko, Mahmoud, Sonnenberg, Lukas, Schubert, Julian, Fenger, Christina D., Eltokhi, Ahmed, Rannap, Maert, Koch, Nils A., Lauxmann, Stephan, Krüger, Johanna, Kegele, Josua, Canafoglia, Laura, Franceschetti, Silvana, Mayer, Thomas, Rebstock, Johannes, Zacher, Pia, Ruf, Susanne, Alber, Michael, Sterbova, Katalin, Lassuthová, Petra, Vlckova, Marketa, Lemke, Johannes R., Krey, Ilona, Heine, Constanze, Wieczorek, Dagmar, Kroell-Seger, Judith, Lund, Caroline, Klein, Karl Martin, Au, P. Y. Billie, Rho, Jong M., Ho, Alice W., Masnada, Silvia, Veggiotti, Pierangelo, Giordano, Lucio, Accorsi, Patrizia, Hoei-Hansen, Christina E., Striano, Pasquale, Zara, Federico, Verhelst, Helene, S.Verhoeven, Judith, van der Zwaag, Bert, Harder, Aster V. E., Brilstra, Eva, Pendziwiat, Manuela, Lebon, Sebastian, Vaccarezza, Maria, Le, Ngoc Minh, Christensen, Jakob, Schmidt-Petersen, Mette U., Grønborg, Sabine, Scherer, Stephen W., Howe, Jennifer, Fazeli, Walid, Howell, Katherine B., Leventer, Richard, Stutterd, Chloe, Walsh, Sonja, Gerard, Marion, Gerard, Bénédicte, Matricardi, Sara, Bonardi, Claudia M., Sartori, Stefano, Berger, Andrea, Hoffman-Zacharska, Dorota, Mastrangelo, Massimo, Darra, Francesca, Vøllo, Arve, Motazacker, M. Mahdi, Lakeman, Phillis, Nizon, Mathilde, Betzler, Cornelia, Altuzarra, Cecilia, Caume, Roseline, Roubertie, Agathe, Gélisse, Philippe, Marini, Carla, Guerrini, Renzo, Bilan, Frederic, Tibussek, Daniel, Koch-Hogrebe, Margarete, Perry, M. Scott, Ichikawa, Shoji, Dadali, Elena, Sharkov, Artem, Mishina, Irina, Abramov, Mikhail, Kanivets, Ilya, Korostelev, Sergey, Kutsev, Sergey, Wain, Karen E., Eisenhauer, Nancy, Wagner, Monisa, Savatt, Juliann M., Müller-Schlüter, Karen, Bassan, Haim, Borovikov, Artem, Nassogne, Marie-Cecile, Destrée, Anne, Schoonjans, An-Sofie, Meuwissen, Marije, Buzatu, Marga, Jansen, Anna, Scalais, Emmanuel, Srivastava, Siddharth, Tan, Wen-Hann, Olson, Heather E., Loddenkemper, Tobias, Poduri, Annapurna, Helbig, Katherine L., Helbig, Ingo, Fitzgerald, Mark P., Goldberg, Ethan M., Roser, Timo, Borggraefe, Ingo, Brünger, Tobias, May, Patrick, Lal, Dennis, Lederer, Damien, Rubboli, Guido, Lesca, Gaetan, Hedrich, Ulrike B. S., Benda, Jan, Gardella, Elena, Lerche, Holger, Møller, Rikke S., Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], Johannesen, Katrine M., Liu, Yuanyuan, Gjerulfsen, Cathrine E., Koko, Mahmoud, Sonnenberg, Lukas, Schubert, Julian, Fenger, Christina D., Eltokhi, Ahmed, Rannap, Maert, Koch, Nils A., Lauxmann, Stephan, Krüger, Johanna, Kegele, Josua, Canafoglia, Laura, Franceschetti, Silvana, Mayer, Thomas, Rebstock, Johannes, Zacher, Pia, Ruf, Susanne, Alber, Michael, Sterbova, Katalin, Lassuthová, Petra, Vlckova, Marketa, Lemke, Johannes R., Krey, Ilona, Heine, Constanze, Wieczorek, Dagmar, Kroell-Seger, Judith, Lund, Caroline, Klein, Karl Martin, Au, P. Y. Billie, Rho, Jong M., Ho, Alice W., Masnada, Silvia, Veggiotti, Pierangelo, Giordano, Lucio, Accorsi, Patrizia, Hoei-Hansen, Christina E., Striano, Pasquale, Zara, Federico, Verhelst, Helene, S.Verhoeven, Judith, van der Zwaag, Bert, Harder, Aster V. E., Brilstra, Eva, Pendziwiat, Manuela, Lebon, Sebastian, Vaccarezza, Maria, Le, Ngoc Minh, Christensen, Jakob, Schmidt-Petersen, Mette U., Grønborg, Sabine, Scherer, Stephen W., Howe, Jennifer, Fazeli, Walid, Howell, Katherine B., Leventer, Richard, Stutterd, Chloe, Walsh, Sonja, Gerard, Marion, Gerard, Bénédicte, Matricardi, Sara, Bonardi, Claudia M., Sartori, Stefano, Berger, Andrea, Hoffman-Zacharska, Dorota, Mastrangelo, Massimo, Darra, Francesca, Vøllo, Arve, Motazacker, M. Mahdi, Lakeman, Phillis, Nizon, Mathilde, Betzler, Cornelia, Altuzarra, Cecilia, Caume, Roseline, Roubertie, Agathe, Gélisse, Philippe, Marini, Carla, Guerrini, Renzo, Bilan, Frederic, Tibussek, Daniel, Koch-Hogrebe, Margarete, Perry, M. Scott, Ichikawa, Shoji, Dadali, Elena, Sharkov, Artem, Mishina, Irina, Abramov, Mikhail, Kanivets, Ilya, Korostelev, Sergey, Kutsev, Sergey, Wain, Karen E., Eisenhauer, Nancy, Wagner, Monisa, Savatt, Juliann M., Müller-Schlüter, Karen, Bassan, Haim, Borovikov, Artem, Nassogne, Marie-Cecile, Destrée, Anne, Schoonjans, An-Sofie, Meuwissen, Marije, Buzatu, Marga, Jansen, Anna, Scalais, Emmanuel, Srivastava, Siddharth, Tan, Wen-Hann, Olson, Heather E., Loddenkemper, Tobias, Poduri, Annapurna, Helbig, Katherine L., Helbig, Ingo, Fitzgerald, Mark P., Goldberg, Ethan M., Roser, Timo, Borggraefe, Ingo, Brünger, Tobias, May, Patrick, Lal, Dennis, Lederer, Damien, Rubboli, Guido, Lesca, Gaetan, Hedrich, Ulrike B. S., Benda, Jan, Gardella, Elena, Lerche, Holger, and Møller, Rikke S.

Abstract

We report detailed functional analyses and genotype-phenotype correlations in 433 individuals carrying disease-causing variants in SCN8A, encoding the voltage-gated Na+ channel NaV1.6. Five different clinical subgroups could be identified: 1) Benign familial infantile epilepsy (BFIE) (n=17, normal cognition, treatable seizures), 2) intermediate epilepsy (n=36, mild ID, partially pharmacoresponsive), 3) developmental and epileptic encephalopathy (DEE, n=191, severe ID, majority pharmacoresistant), 4) generalized epilepsy (n=21, mild to moderate ID, frequently with absence seizures), and 5) affected individuals without epilepsy (n=25, mild to moderate ID). Groups 1-3 presented with early-onset (median: four months) focal or multifocal seizures and epileptic discharges, whereas the onset of seizures in group 4 was later (median: 39 months) with generalized epileptic discharges. The epilepsy was not classifiable in 143 individuals. We performed functional studies expressing missense variants in ND7/23 neuroblastoma cells and primary neuronal cultures using recombinant tetrodotoxin insensitive human NaV1.6 channels and whole-cell patch clamping. Two variants causing DEE showed a strong gain-of-function (GOF, hyperpolarising shift of steady-state activation, strongly increased neuronal firing rate), and one variant causing BFIE or intermediate epilepsy showed a mild GOF (defective fast inactivation, less increased firing). In contrast, all three variants causing generalized epilepsy induced a loss-of-function (LOF, reduced current amplitudes, depolarising shift of steady-state activation, reduced neuronal firing). Including previous studies, functional effects were known for 165 individuals. All 133 individuals carrying GOF variants had either focal (76, groups 1-3), or unclassifiable epilepsy (37), whereas 32 with LOF variants had either generalized (14), no (11) or unclassifiable (5) epilepsy; only two had DEE. Computational modeling in the GOF group revealed a signific

Published
2021

30. Expanding the Phenotype of TUBB2A-Related Tubulinopathy: Three Cases of a Novel, Heterozygous TUBB2A Pathogenic Variant p.Gly98Arg

Author

Schmidt, Lindsey, Wain, Karen E., Hajek, Catherine, Estrada-Veras, Juvianee I., Guillen Sacoto, Maria J., Wentzensen, Ingrid M., Malhotra, Alka, Clause, Amanda, Perry, Denise, Moreno-De-Luca, Andres, and Bell, Megan

Subjects
Novel Insights from Clinical Practice
Abstract

Tubulinopathies are a group of conditions caused by variants in 6 tubulin genes that present with a spectrum of brain malformations. One of these conditions is TUBB2A-related tubulinopathy. Currently, there are 9 reported individuals with pathogenic variants within the TUBB2A gene, with common manifestations including, but not limited to, global developmental delay, seizures, cortical dysplasia, and dysmorphic corpus callosum. We report 3 patients identified by exome and genome sequencing to have a novel, pathogenic, missense variant in TUBB2A (p.Gly98Arg). They presented similarly with intellectual disability, hypotonia, and global developmental delay and varied with respect to the type of cortical brain malformation, seizure history, diagnosis of autism spectrum disorder, and other features. This case series expands the natural history of TUBB2A-related tubulinopathy while describing the presentation of a novel, pathogenic, missense variant in 3 patients.

Published
2020

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

Author

Shieh, Christine, 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, Pierson, Tyler Mark, Shieh, Christine, 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

Abstract

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

Published
2020

33. De novo coding variants in the AGO1 gene cause a neurodevelopmental disorder with intellectual disability

Author

Schalk, Audrey, primary, Cousin, Margot A., additional, Challman, Thomas D., additional, Wain, Karen E., additional, Powis, Zöe, additional, Minks, Kelly, additional, Trimouille, Aurélien, additional, Lasseaux, Eulalie, additional, Lacombre, Didier, additional, Angelini, Chloé, additional, Michaud, Vincent, additional, Van-Gils, Julien, additional, Spataro, Nino, additional, Ruiz, Anna, additional, Gabau, Elizabeth, additional, Stolerman, Elliot, additional, Washington, Camerun, additional, Louie, Raymond J., additional, Lanpher, Brendan C, additional, Kemppainen, Jennifer L., additional, Innes, A. Micheil, additional, Kooy, R. Frank, additional, Meuwissen, Marije, additional, Goldenberg, Alice, additional, Lecoquierre, François, additional, Vera, Gabriella, additional, Diderich, Karin E M, additional, Sheidley, Beth Rosen, additional, El Achkar, Christelle Moufawad, additional, Park, Meredith, additional, Hamdan, Fadi F., additional, Michaud, Jacques L., additional, Lewis, Ann J., additional, Zweier, Christiane, additional, Reis, André, additional, Wagner, Matias, additional, Weigand, Heike, additional, Journel, Hubert, additional, Keren, Boris, additional, Passemard, Sandrine, additional, Mignot, Cyril, additional, van Gassen, Koen L.I., additional, Brilstra, Eva H., additional, Itzikowitz, Gina, additional, O’Heir, Emily, additional, Allen, Jake, additional, Donald, Kirsten A., additional, Korf, Bruce R., additional, Skelton, Tammi, additional, Thompson, Michelle L, additional, Robin, Nathaniel H., additional, Rudy, Natasha, additional, Dobyns, William B., additional, Foss, Kimberly, additional, Zarate, Yuri A, additional, Bosanko, Katherine A., additional, Alembik, Yves, additional, Durand, Benjamin, additional, Mau-Them, Frédéric Tran, additional, Ranza, Emmanuelle, additional, Blanc, Xavier, additional, Antonarakis, Stylianos E., additional, McWalter, Kirsty, additional, Torti, Erin, additional, Millan, Francisca, additional, Dameron, Amy, additional, Tokita, Mari J., additional, Zimmermann, Michael T., additional, Dsouza, Nikita R., additional, Klee, Eric W., additional, Piton, Amélie, additional, and Gerard, Bénédicte, additional

Published
2020
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34. Expanding the Phenotype of TUBB2A-Related Tubulinopathy: Three Cases of a Novel, Heterozygous TUBB2A Pathogenic Variant p.Gly98Arg

Author

Schmidt, Lindsey, primary, Wain, Karen E., additional, Hajek, Catherine, additional, Estrada-Veras, Juvianee I., additional, Guillen Sacoto, Maria J., additional, Wentzensen, Ingrid M., additional, Malhotra, Alka, additional, Clause, Amanda, additional, Perry, Denise, additional, Moreno-De-Luca, Andres, additional, and Bell, Megan, additional

Published
2020
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35. Identification of Neuropsychiatric Copy Number Variants in a Health Care System Population

Author

Martin, Christa Lese, primary, Wain, Karen E., additional, Oetjens, Matthew T., additional, Tolwinski, Kasia, additional, Palen, Emily, additional, Hare-Harris, Abby, additional, Habegger, Lukas, additional, Maxwell, Evan K., additional, Reid, Jeffrey G., additional, Walsh, Lauren Kasparson, additional, Myers, Scott M., additional, and Ledbetter, David H., additional

Published
2020
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37. GATAD2B-associatedneurodevelopmental disorder (GAND): clinical and molecular insights into a NuRD-relateddisorder

Author

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

Published
2020
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38. Correction: GATAD2B-associated neurodevelopmental disorder (GAND): clinical and molecular insights into a NuRD-related disorder

Author

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

Published
2020
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40. De novocoding variants in the AGO1gene cause a neurodevelopmental disorder with intellectual disability

Author

Schalk, Audrey, Cousin, Margot A, Dsouza, Nikita R, Challman, Thomas D, Wain, Karen E, Powis, Zoe, Minks, Kelly, Trimouille, Aurélien, Lasseaux, Eulalie, Lacombe, Didier, Angelini, Chloé, Michaud, Vincent, Van-Gils, Julien, Spataro, Nino, Ruiz, Anna, Gabau, Elizabeth, Stolerman, Elliot, Washington, Camerun, Louie, Ray, Lanpher, Brendan C, Kemppainen, Jennifer L, Innes, Micheil, Kooy, Frank, Meuwissen, Marije, Goldenberg, Alice, Lecoquierre, Francois, Vera, Gabriella, Diderich, Karin E M, Sheidley, Beth, El Achkar, Christelle Moufawad, Park, Meredith, Hamdan, Fadi F, Michaud, Jacques L, Lewis, Ann J, Zweier, Christiane, Reis, André, Wagner, Matias, Weigand, Heike, Journel, Hubert, Keren, Boris, Passemard, Sandrine, Mignot, Cyril, van Gassen, Koen, Brilstra, Eva H, Itzikowitz, Gina, O'Heir, Emily, Allen, Jake, Donald, Kirsten A, Korf, Bruce Richard, Skelton, Tammi, Thompson, Michelle, Robin, Nathaniel H, Rudy, Natasha L, Dobyns, William B, Foss, Kimberly, Zarate, Yuri Alexander, Bosanko, Katherine A, Alembik, Yves, Durand, Benjamin, Tran Mau-them, Frederic, Ranza, Emmanuelle, Blanc, Xavier, Antonarakis, Stylianos E, McWalter, Kirsty, Torti, Erin, Millan, Francisca, Dameron, Amy, Tokita, Mari, Zimmermann, Michael T, Klee, Eric W, Piton, Amelie, and Gerard, Benedicte

Abstract

BackgroundHigh-impact pathogenic variants in more than a thousand genes are involved in Mendelian forms of neurodevelopmental disorders (NDD).MethodsThis study describes the molecular and clinical characterisation of 28 probands with NDD harbouring heterozygous AGO1coding variants, occurring de novo for all those whose transmission could have been verified (26/28).ResultsA total of 15 unique variants leading to amino acid changes or deletions were identified: 12 missense variants, two in-frame deletions of one codon, and one canonical splice variant leading to a deletion of two amino acid residues. Recurrently identified variants were present in several unrelated individuals: p.(Phe180del), p.(Leu190Pro), p.(Leu190Arg), p.(Gly199Ser), p.(Val254Ile) and p.(Glu376del). AGO1encodes the Argonaute 1 protein, which functions in gene-silencing pathways mediated by small non-coding RNAs. Three-dimensional protein structure predictions suggest that these variants might alter the flexibility of the AGO1 linker domains, which likely would impair its function in mRNA processing. Affected individuals present with intellectual disability of varying severity, as well as speech and motor delay, autistic behaviour and additional behavioural manifestations.ConclusionOur study establishes that de novo coding variants in AGO1are involved in a novel monogenic form of NDD, highly similar to the recently reported AGO2-related NDD.

Published
2022
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41. Molecular Diagnostic Yield of Exome Sequencing in Patients With Cerebral Palsy.

Author

Moreno-De-Luca, Andrés, Millan, Francisca, Pesacreta, Denis R., Elloumi, Houda Z., Oetjens, Matthew T., Teigen, Claire, Wain, Karen E., Scuffins, Julie, Myers, Scott M., Torene, Rebecca I., Gainullin, Vladimir G., Arvai, Kevin, Kirchner, H. Lester, Ledbetter, David H., Retterer, Kyle, and Martin, Christa L.

Subjects
GENETIC mutation, GENETICS, CROSS-sectional method, GENETIC testing, RETROSPECTIVE studies, DISEASE prevalence, RESEARCH funding, CEREBRAL palsy, DISEASE complications
Abstract

Importance: Cerebral palsy is a common neurodevelopmental disorder affecting movement and posture that often co-occurs with other neurodevelopmental disorders. Individual cases of cerebral palsy are often attributed to birth asphyxia; however, recent studies indicate that asphyxia accounts for less than 10% of cerebral palsy cases.Objective: To determine the molecular diagnostic yield of exome sequencing (prevalence of pathogenic and likely pathogenic variants) in individuals with cerebral palsy.Design, Setting, and Participants: A retrospective cohort study of patients with cerebral palsy that included a clinical laboratory referral cohort with data accrued between 2012 and 2018 and a health care-based cohort with data accrued between 2007 and 2017.Exposures: Exome sequencing with copy number variant detection.Main Outcomes and Measures: The primary outcome was the molecular diagnostic yield of exome sequencing.Results: Among 1345 patients from the clinical laboratory referral cohort, the median age was 8.8 years (interquartile range, 4.4-14.7 years; range, 0.1-66 years) and 601 (45%) were female. Among 181 patients in the health care-based cohort, the median age was 41.9 years (interquartile range, 28.0-59.6 years; range, 4.8-89 years) and 96 (53%) were female. The molecular diagnostic yield of exome sequencing was 32.7% (95% CI, 30.2%-35.2%) in the clinical laboratory referral cohort and 10.5% (95% CI, 6.0%-15.0%) in the health care-based cohort. The molecular diagnostic yield ranged from 11.2% (95% CI, 6.4%-16.2%) for patients without intellectual disability, epilepsy, or autism spectrum disorder to 32.9% (95% CI, 25.7%-40.1%) for patients with all 3 comorbidities. Pathogenic and likely pathogenic variants were identified in 229 genes (29.5% of 1526 patients); 86 genes were mutated in 2 or more patients (20.1% of 1526 patients) and 10 genes with mutations were independently identified in both cohorts (2.9% of 1526 patients).Conclusions and Relevance: Among 2 cohorts of patients with cerebral palsy who underwent exome sequencing, the prevalence of pathogenic and likely pathogenic variants was 32.7% in a cohort that predominantly consisted of pediatric patients and 10.5% in a cohort that predominantly consisted of adult patients. Further research is needed to understand the clinical implications of these findings. [ABSTRACT FROM AUTHOR]

Published
2021
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44. ClinGen's GenomeConnect registry enables patient‐centered data sharing

Author

Savatt, Juliann M., primary, Azzariti, Danielle R., additional, Faucett, W. Andrew, additional, Harrison, Steven, additional, Hart, Jennifer, additional, Kattman, Brandi, additional, Landrum, Melissa J., additional, Ledbetter, David H., additional, Miller, Vanessa Rangel, additional, Palen, Emily, additional, Rehm, Heidi L., additional, Rhode, Jud, additional, Turner, Stefanie, additional, Vidal, Jo Anne, additional, Wain, Karen E., additional, Riggs, Erin Rooney, additional, and Martin, Christa Lese, additional

Published
2018
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45. Yield of additional genetic testing after chromosomal microarray for diagnosis of neurodevelopmental disability and congenital anomalies: a clinical practice resource of the American College of Medical Genetics and Genomics (ACMG)

Author

Waggoner, Darrel, primary, Wain, Karen E., additional, Dubuc, Adrian M., additional, Conlin, Laura, additional, Hickey, Scott E., additional, Lamb, Allen N., additional, Martin, Christa Lese, additional, Morton, Cynthia C., additional, Rasmussen, Kristen, additional, Schuette, Jane L., additional, Schwartz, Stuart, additional, and Miller, David T., additional

Published
2018
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46. Expanding the Phenotype of TUBB2A-Related Tubulinopathy: Three Cases of a Novel, Heterozygous TUBB2APathogenic Variant p.Gly98Arg

Author

Schmidt, Lindsey, Wain, Karen E., Hajek, Catherine, Estrada-Veras, Juvianee I., Guillen Sacoto, Maria J., Wentzensen, Ingrid M., Malhotra, Alka, Clause, Amanda, Perry, Denise, Moreno-De-Luca, Andres, and Bell, Megan

Abstract

Tubulinopathies are a group of conditions caused by variants in 6 tubulin genes that present with a spectrum of brain malformations. One of these conditions is TUBB2A-related tubulinopathy. Currently, there are 9 reported individuals with pathogenic variants within the TUBB2Agene, with common manifestations including, but not limited to, global developmental delay, seizures, cortical dysplasia, and dysmorphic corpus callosum. We report 3 patients identified by exome and genome sequencing to have a novel, pathogenic, missense variant in TUBB2A(p.Gly98Arg). They presented similarly with intellectual disability, hypotonia, and global developmental delay and varied with respect to the type of cortical brain malformation, seizure history, diagnosis of autism spectrum disorder, and other features. This case series expands the natural history of TUBB2A-related tubulinopathy while describing the presentation of a novel, pathogenic, missense variant in 3 patients.

Published
2021
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47. Leveraging population‐based exome screening to impact clinical care: The evolution of variant assessment in the Geisinger MyCoderesearch project

Author

Kelly, Melissa A, Leader, Joseph B, Wain, Karen E, Bodian, Dale, Oetjens, Matthew T, Ledbetter, David H, Martin, Christa L, and Strande, Natasha T

Abstract

Exome and genome sequencing are increasingly utilized in research studies and clinical care and can provide clinically relevant information beyond the initial intent for sequencing, including medically actionable secondary findings. Despite ongoing debate about sharing this information with patients and participants, a growing number of clinical laboratories and research programs routinely report secondary findings that increase the risk for selected diseases. Recently, there has been a push to maximize the potential benefit of this practice by implementing proactive genomic screening at the population level irrespective of medical history, but the feasibility of deploying population‐scale proactive genomic screening requires scaling key elements of the genomic data evaluation process. Herein, we describe the motivation, development, and implementation of a population‐scale variant‐first screening pipeline combining bioinformatics‐based filtering with a manual review process to screen for clinically relevant findings in research exomes generated through the DiscovEHR collaboration within Geisinger's MyCode® research project. Consistent with other studies, this pipeline yields a screen‐positive detection rate between 2.1 and 2.6% (depending on inclusion of those with prior indication‐based testing) in 130,048 adult MyCode patient‐participants screened for clinically relevant findings in 60 genes. Our variant‐first pipeline affords cost and time savings by filtering out negative cases, thereby avoiding analysis of each exome one‐by‐one, as typically employed in the diagnostic setting. While research is still needed to fully appreciate the benefits of population genomic screening, MyCode provides the first demonstration of a program at scale to help shape how population genomic screening is integrated into routine clinical care.

Published
2021
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