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47 results on '"Hagebeuk, Eveline"'

1. SLC6A1 variant pathogenicity, molecular function and phenotype: a genetic and clinical analysis.

Author

Stefanski, Arthur, Pérez-Palma, Eduardo, Brünger, Tobias, Montanucci, Ludovica, Gati, Cornelius, Klöckner, Chiara, Johannesen, Katrine, Goodspeed, Kimberly, Macnee, Marie, Deng, Alexander, Aledo-Serrano, Ángel, Borovikov, Artem, Kava, Maina, Bouman, Arjan, Hajianpour, M, Pal, Deb, Engelen, Marc, Hagebeuk, Eveline, Shinawi, Marwan, Heidlebaugh, Alexis, Oetjens, Kathryn, Hoffman, Trevor, Striano, Pasquale, Freed, Amanda, Futtrup, Line, Balslev, Thomas, Abulí, Anna, Danvoye, Leslie, Lederer, Damien, Balci, Tugce, Nouri, Maryam, Butler, Elizabeth, Drewes, Sarah, van Engelen, Kalene, Howell, Katherine, Khoury, Jean, May, Patrick, Trinidad, Marena, Froelich, Steven, Lemke, Johannes, Tiller, Jacob, Freed, Amber, Kang, Jing-Qiong, Wuster, Arthur, Møller, Rikke, and Lal, Dennis

Subjects
SLC6A1, autism, epilepsy, genetics, neurodevelopmental disorder, Humans, GABA Plasma Membrane Transport Proteins, Genetic Association Studies, Mutation, Missense, Phenotype
Abstract

Genetic variants in the SLC6A1 gene can cause a broad phenotypic disease spectrum by altering the protein function. Thus, systematically curated clinically relevant genotype-phenotype associations are needed to understand the disease mechanism and improve therapeutic decision-making. We aggregated genetic and clinical data from 172 individuals with likely pathogenic/pathogenic (lp/p) SLC6A1 variants and functional data for 184 variants (14.1% lp/p). Clinical and functional data were available for a subset of 126 individuals. We explored the potential associations of variant positions on the GAT1 3D structure with variant pathogenicity, altered molecular function and phenotype severity using bioinformatic approaches. The GAT1 transmembrane domains 1, 6 and extracellular loop 4 (EL4) were enriched for patient over population variants. Across functionally tested missense variants (n = 156), the spatial proximity from the ligand was associated with loss-of-function in the GAT1 transporter activity. For variants with complete loss of in vitro GABA uptake, we found a 4.6-fold enrichment in patients having severe disease versus non-severe disease (P = 2.9 × 10-3, 95% confidence interval: 1.5-15.3). In summary, we delineated associations between the 3D structure and variant pathogenicity, variant function and phenotype in SLC6A1-related disorders. This knowledge supports biology-informed variant interpretation and research on GAT1 function. All our data can be interactively explored in the SLC6A1 portal (https://slc6a1-portal.broadinstitute.org/).

Published
2023

2. Epilepsy and Electroencephalographic Abnormalities in SATB2-Associated Syndrome.

Author

Lewis, Hannah, Samanta, Debopam, Örsell, Jenny-Li, Bosanko, Katherine, Rowell, Amy, Jones, Melissa, Dale, Russell, Taravath, Sasidharan, Hahn, Cecil, Krishnakumar, Deepa, Chagnon, Sarah, Keller, Stephanie, Hagebeuk, Eveline, Pathak, Sheel, Bebin, E, Arndt, Daniel, Alexander, John, Mainali, Gayatra, Coppola, Giangennaro, Maclean, Jane, Sparagana, Steven, McNamara, Nancy, Smith, Douglas, Raggio, Víctor, Cruz, Marcos, Fernández-Jaén, Alberto, Kava, Maina, Emrick, Lisa, Fish, Jennifer, Vanderver, Adeline, Helman, Guy, Pierson, Tyler, and Zarate, Yuri

Subjects
Electroencephalography, Epilepsy, Glass syndrome, SATB2, Seizure semiology, Adolescent, Adult, Age of Onset, Child, Child, Preschool, Electroencephalography, Epilepsy, Female, Genetic Diseases, Inborn, Humans, Infant, Male, Matrix Attachment Region Binding Proteins, Nervous System Malformations, Retrospective Studies, Sleep Stages, Sleep Wake Disorders, Syndrome, Transcription Factors, Young Adult
Abstract

BACKGROUND: Seizures are an under-reported feature of the SATB2-associated syndrome phenotype. We describe the electroencephalographic findings and seizure semiology and treatment in a population of individuals with SATB2-associated syndrome. METHODS: We performed a retrospective review of 101 individuals with SATB2-associated syndrome who were reported to have had a previous electroencephalographic study to identify those who had at least one reported abnormal result. For completeness, a supplemental survey was distributed to the caregivers and input from the treating neurologist was obtained whenever possible. RESULTS: Forty-one subjects were identified as having at least one prior abnormal electroencephalography. Thirty-eight individuals (93%) had epileptiform discharges, 28 (74%) with central localization. Sleep stages were included as part of the electroencephalographies performed in 31 individuals (76%), and epileptiform activity was recorded during sleep in all instances (100%). Definite clinical seizures were diagnosed in 17 individuals (42%) with a mean age of onset of 3.2 years (four months to six years), and focal seizures were the most common type of seizure observed (42%). Six subjects with definite clinical seizures needed polytherapy (35%). Delayed myelination and/or abnormal white matter hyperintensities were seen on neuroimaging in 19 individuals (61%). CONCLUSIONS: Epileptiform abnormalities are commonly seen in individuals with SATB2-associated syndrome. A baseline electroencephalography that preferably includes sleep stages is recommended during the initial evaluation of all individuals with SATB2-associated syndrome, regardless of clinical suspicion of epilepsy.

Published
2020

6. IQSEC2-related encephalopathy in males and females: a comparative study including 37 novel patients

Author

Mignot, Cyril, McMahon, Aoife C., Bar, Claire, Campeau, Philippe M, Davidson, Claire, Buratti, Julien, Nava, Caroline, Jacquemont, Marie-Line, Tallot, Marilyn, Milh, Mathieu, Edery, Patrick, Marzin, Pauline, Barcia, Giulia, Barnerias, Christine, Besmond, Claude, Bienvenu, Thierry, Bruel, Ange-Line, Brunga, Ledia, Ceulemans, Berten, Coubes, Christine, Cristancho, Ana G., Cunningham, Fiona, Dehouck, Marie-Bertille, Donner, Elizabeth J., Duban-Bedu, Bénédicte, Dubourg, Christèle, Gardella, Elena, Gauthier, Julie, Geneviève, David, Gobin-Limballe, Stéphanie, Goldberg, Ethan M., Hagebeuk, Eveline, Hamdan, Fadi F., Hančárová, Miroslava, Hubert, Laurence, Ioos, Christine, Ichikawa, Shoji, Janssens, Sandra, Journel, Hubert, Kaminska, Anna, Keren, Boris, Koopmans, Marije, Lacoste, Caroline, Laššuthová, Petra, Lederer, Damien, Lehalle, Daphné, Marjanovic, Dragan, Métreau, Julia, Michaud, Jacques L., Miller, Kathryn, Minassian, Berge A., Morales, Joannella, Moutard, Marie-Laure, Munnich, Arnold, Ortiz-Gonzalez, Xilma R., Pinard, Jean-Marc, Prchalová, Darina, Putoux, Audrey, Quelin, Chloé, Rosen, Alyssa R., Roume, Joelle, Rossignol, Elsa, Simon, Marleen E. H., Smol, Thomas, Shur, Natasha, Shelihan, Ivan, Štěrbová, Katalin, Vyhnálková, Emílie, Vilain, Catheline, Soblet, Julie, Smits, Guillaume, Yang, Samuel P., van der Smagt, Jasper J., van Hasselt, Peter M., van Kempen, Marjan, Weckhuysen, Sarah, Helbig, Ingo, Villard, Laurent, Héron, Delphine, Koeleman, Bobby, Møller, Rikke S., Lesca, Gaetan, Helbig, Katherine L., Nabbout, Rima, Verbeek, Nienke E., and Depienne, Christel

Published
2019
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7. The landscape of epilepsy-related GATOR1 variants

Author

Baldassari, Sara, Picard, Fabienne, Verbeek, Nienke E., van Kempen, Marjan, Brilstra, Eva H., Lesca, Gaetan, Conti, Valerio, Guerrini, Renzo, Bisulli, Francesca, Licchetta, Laura, Pippucci, Tommaso, Tinuper, Paolo, Hirsch, Edouard, de Saint Martin, Anne, Chelly, Jamel, Rudolf, Gabrielle, Chipaux, Mathilde, Ferrand-Sorbets, Sarah, Dorfmüller, Georg, Sisodiya, Sanjay, Balestrini, Simona, Schoeler, Natasha, Hernandez-Hernandez, Laura, Krithika, S., Oegema, Renske, Hagebeuk, Eveline, Gunning, Boudewijn, Deckers, Charles, Berghuis, Bianca, Wegner, Ilse, Niks, Erik, Jansen, Floor E., Braun, Kees, de Jong, Daniëlle, Rubboli, Guido, Talvik, Inga, Sander, Valentin, Uldall, Peter, Jacquemont, Marie-Line, Nava, Caroline, Leguern, Eric, Julia, Sophie, Gambardella, Antonio, d’Orsi, Giuseppe, Crichiutti, Giovanni, Faivre, Laurence, Darmency, Veronique, Benova, Barbora, Krsek, Pavel, Biraben, Arnaud, Lebre, Anne-Sophie, Jennesson, Mélanie, Sattar, Shifteh, Marchal, Cécile, Nordli, Jr, Douglas R, Lindstrom, Kristin, Striano, Pasquale, Lomax, Lysa Boissé, Kiss, Courtney, Bartolomei, Fabrice, Lepine, Anne Fabienne, Schoonjans, An-Sofie, Stouffs, Katrien, Jansen, Anna, Panagiotakaki, Eleni, Ricard-Mousnier, Brigitte, Thevenon, Julien, de Bellescize, Julitta, Catenoix, Hélène, Dorn, Thomas, Zenker, Martin, Müller-Schlüter, Karen, Brandt, Christian, Krey, Ilona, Polster, Tilman, Wolff, Markus, Balci, Meral, Rostasy, Kevin, Achaz, Guillaume, Zacher, Pia, Becher, Thomas, Cloppenborg, Thomas, Yuskaitis, Christopher J., Weckhuysen, Sarah, Poduri, Annapurna, Lemke, Johannes R., Møller, Rikke S., and Baulac, Stéphanie

Published
2019
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8. SLC6A1 variant pathogenicity, molecular function, and phenotype: a genetic and clinical analysis

Author

Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], Fonds National de la Recherche - FnR [sponsor], Stefanski, Arthur, Pérez-Palma, Eduardo, Brünger, Tobias, Montanucci, Ludovica, Gati, Cornelius, Klöckner, Chiara, Johannesen, Katrine M., Goodspeed, Kimberly, Macnee, Marie, Deng, Alexander T., Aledo-Serrano, Ángel, Borovikov, Artem, Kava, Maina, Bouman, Arjan M., Hajianpour, M. J., Pal, Deb K., Engelen, Marc, Hagebeuk, Eveline E. O., Shinawi, Marwan, Heidlebaugh, Alexis R., Oetjens, Kathryn, Hoffman, Trevor L., Striano, Pasquale, Freed, Amanda S., Futtrup, Line, Balslev, Thomas, Abulí, Anna, Danvoye, Leslie, Lederer, Damien, Balci, Tugce, Nabavi Nouri, Maryam, Butler, Elizabeth, Drewes, Sarah, van Engelen, Kalene, Howell, Katherine B., Khoury, Jean, May, Patrick, Trinidad, Marena, Froelich, Steven, Lemke, Johannes R., Tiller, Jacob, Freed, Amber N., Kang, Jing-Qiong, Wuster, Arthur, Møller, Rikke S., Lal, Dennis, Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], Fonds National de la Recherche - FnR [sponsor], Stefanski, Arthur, Pérez-Palma, Eduardo, Brünger, Tobias, Montanucci, Ludovica, Gati, Cornelius, Klöckner, Chiara, Johannesen, Katrine M., Goodspeed, Kimberly, Macnee, Marie, Deng, Alexander T., Aledo-Serrano, Ángel, Borovikov, Artem, Kava, Maina, Bouman, Arjan M., Hajianpour, M. J., Pal, Deb K., Engelen, Marc, Hagebeuk, Eveline E. O., Shinawi, Marwan, Heidlebaugh, Alexis R., Oetjens, Kathryn, Hoffman, Trevor L., Striano, Pasquale, Freed, Amanda S., Futtrup, Line, Balslev, Thomas, Abulí, Anna, Danvoye, Leslie, Lederer, Damien, Balci, Tugce, Nabavi Nouri, Maryam, Butler, Elizabeth, Drewes, Sarah, van Engelen, Kalene, Howell, Katherine B., Khoury, Jean, May, Patrick, Trinidad, Marena, Froelich, Steven, Lemke, Johannes R., Tiller, Jacob, Freed, Amber N., Kang, Jing-Qiong, Wuster, Arthur, Møller, Rikke S., and Lal, Dennis

Abstract

Genetic variants in the SLC6A1 gene can cause a broad phenotypic disease spectrum by altering the protein function. Thus, systematically curated clinically relevant genotype-phenotype associations are needed to understand the disease mechanism and improve therapeutic decision-making. We aggregated genetic and clinical data from 172 individuals with likely pathogenic/pathogenic (lp/p) SLC6A1 variants and functional data for 184 variants (14.1% lp/p). Clinical and functional data were available for a subset of 126 individuals. We explored the potential associations of variant positions on the GAT1 3D structure with variant pathogenicity, altered molecular function, and phenotype severity using bioinformatic approaches. The GAT1 transmembrane domains 1, 6, and extracellular loop 4 (EL4) were enriched for patient over population variants. Across functionally tested missense variants (n = 156), the spatial proximity from the ligand was associated with loss-of-function in the GAT1 transporter activity. For variants with complete loss of in vitro GABA uptake, we found a 4.6-fold enrichment in patients having severe disease vs. non-severe disease (P = 2.9e-3, 95% CI: 1.5 - 15.3). In summary, we delineated associations between the 3D structure and variant pathogenicity, variant function, and phenotype in SLC6A1-related disorders. This knowledge supports biology-informed variant interpretation and research on GAT1 function. All our data can be interactively explored in the SLC6A1 Portal (https://slc6a1-portal.broadinstitute.org/).

Published
2023

9. SLC6A1 variant pathogenicity, molecular function and phenotype:a genetic and clinical analysis

Author

Stefanski, Arthur, Pérez-Palma, Eduardo, Brünger, Tobias, Montanucci, Ludovica, Gati, Cornelius, Klöckner, Chiara, Johannesen, Katrine M., Goodspeed, Kimberly, Macnee, Marie, Deng, Alexander T., Aledo-Serrano, Ángel, Borovikov, Artem, Kava, Maina, Bouman, Arjan M., Hajianpour, M. J., Pal, Deb K., Engelen, Marc, Hagebeuk, Eveline E.O., Shinawi, Marwan, Heidlebaugh, Alexis R., Oetjens, Kathryn, Hoffman, Trevor L., Striano, Pasquale, Freed, Amanda S., Futtrup, Line, Balslev, Thomas, Abulí, Anna, Danvoye, Leslie, Lederer, Damien, Balci, Tugce, Nouri, Maryam Nabavi, Butler, Elizabeth, Drewes, Sarah, van Engelen, Kalene, Howell, Katherine B., Khoury, Jean, May, Patrick, Trinidad, Marena, Froelich, Steven, Lemke, Johannes R., Tiller, Jacob, Freed, Amber N., Kang, Jing Qiong, Wuster, Arthur, Møller, Rikke S., Lal, Dennis, Stefanski, Arthur, Pérez-Palma, Eduardo, Brünger, Tobias, Montanucci, Ludovica, Gati, Cornelius, Klöckner, Chiara, Johannesen, Katrine M., Goodspeed, Kimberly, Macnee, Marie, Deng, Alexander T., Aledo-Serrano, Ángel, Borovikov, Artem, Kava, Maina, Bouman, Arjan M., Hajianpour, M. J., Pal, Deb K., Engelen, Marc, Hagebeuk, Eveline E.O., Shinawi, Marwan, Heidlebaugh, Alexis R., Oetjens, Kathryn, Hoffman, Trevor L., Striano, Pasquale, Freed, Amanda S., Futtrup, Line, Balslev, Thomas, Abulí, Anna, Danvoye, Leslie, Lederer, Damien, Balci, Tugce, Nouri, Maryam Nabavi, Butler, Elizabeth, Drewes, Sarah, van Engelen, Kalene, Howell, Katherine B., Khoury, Jean, May, Patrick, Trinidad, Marena, Froelich, Steven, Lemke, Johannes R., Tiller, Jacob, Freed, Amber N., Kang, Jing Qiong, Wuster, Arthur, Møller, Rikke S., and Lal, Dennis

Abstract

Genetic variants in the SLC6A1 gene can cause a broad phenotypic disease spectrum by altering the protein function. Thus, systematically curated clinically relevant genotype-phenotype associations are needed to understand the disease mechanism and improve therapeutic decision-making. We aggregated genetic and clinical data from 172 individuals with likely pathogenic/pathogenic (lp/p) SLC6A1 variants and functional data for 184 variants (14.1% lp/p). Clinical and functional data were available for a subset of 126 individuals. We explored the potential associations of variant positions on the GAT1 3D structure with variant pathogenicity, altered molecular function and phenotype severity using bioinformatic approaches. The GAT1 transmembrane domains 1, 6 and extracellular loop 4 (EL4) were enriched for patient over population variants. Across functionally tested missense variants (n = 156), the spatial proximity from the ligand was associated with loss-of-function in the GAT1 transporter activity. For variants with complete loss of in vitro GABA uptake, we found a 4.6-fold enrichment in patients having severe disease versus non-severe disease (P = 2.9 × 10-3, 95% confidence interval: 1.5-15.3). In summary, we delineated associations between the 3D structure and variant pathogenicity, variant function and phenotype in SLC6A1-related disorders. This knowledge supports biology-informed variant interpretation and research on GAT1 function. All our data can be interactively explored in the SLC6A1 portal (https://slc6a1-portal.broadinstitute.org/).

Published
2023

10. Correction: IQSEC2-related encephalopathy in males and females: a comparative study including 37 novel patients

Author

Mignot, Cyril, McMahon, Aoife C., Bar, Claire, Campeau, Philippe M., Davidson, Claire, Buratti, Julien, Nava, Caroline, Jacquemont, Marie-Line, Tallot, Marilyn, Milh, Mathieu, Edery, Patrick, Marzin, Pauline, Barcia, Giulia, Barnerias, Christine, Besmond, Claude, Bienvenu, Thierry, Bruel, Ange-Line, Brunga, Ledia, Ceulemans, Berten, Coubes, Christine, Cristancho, Ana G., Cunningham, Fiona, Dehouck, Marie-Bertille, Donner, Elizabeth J., Duban-Bedu, Bénédicte, Dubourg, Christèle, Gardella, Elena, Gauthier, Julie, Geneviève, David, Gobin-Limballe, Stéphanie, Goldberg, Ethan M., Hagebeuk, Eveline, Hamdan, Fadi F., Hančárová, Miroslava, Hubert, Laurence, Ioos, Christine, Ichikawa, Shoji, Janssens, Sandra, Journel, Hubert, Kaminska, Anna, Keren, Boris, Koopmans, Marije, Lacoste, Caroline, Laššuthová, Petra, Lederer, Damien, Lehalle, Daphné, Marjanovic, Dragan, Métreau, Julia, Michaud, Jacques L., Miller, Kathryn, Minassian, Berge A., Morales, Joannella, Moutard, Marie-Laure, Munnich, Arnold, Ortiz-Gonzalez, Xilma R., Pinard, Jean-Marc, Prchalová, Darina, Putoux, Audrey, Quelin, Chloé, Rosen, Alyssa R., Roume, Joelle, Rossignol, Elsa, Simon, Marleen E. H., Smol, Thomas, Shur, Natasha, Shelihan, Ivan, Štěrbová, Katalin, Vyhnálková, Emílie, Vilain, Catheline, Soblet, Julie, Smits, Guillaume, Yang, Samuel P., van der Smagt, Jasper J., van Hasselt, Peter M., van Kempen, Marjan, Weckhuysen, Sarah, Helbig, Ingo, Villard, Laurent, Héron, Delphine, Koeleman, Bobby, Møller, Rikke S., Lesca, Gaetan, Helbig, Katherine L., Nabbout, Rima, Verbeek, Nienke E., and Depienne, Christel

Published
2019
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12. Correction: The landscape of epilepsy-related GATOR1 variants

Author

Baldassari, Sara, Picard, Fabienne, Verbeek, Nienke E., van Kempen, Marjan, Brilstra, Eva H., Lesca, Gaetan, Conti, Valerio, Guerrini, Renzo, Bisulli, Francesca, Licchetta, Laura, Pippucci, Tommaso, Tinuper, Paolo, Hirsch, Edouard, de Saint Martin, Anne, Chelly, Jamel, Rudolf, Gabrielle, Chipaux, Mathilde, Ferrand-Sorbets, Sarah, Dorfmüller, Georg, Sisodiya, Sanjay, Balestrini, Simona, Schoeler, Natasha, Hernandez-Hernandez, Laura, Krithika, S., Oegema, Renske, Hagebeuk, Eveline, Gunning, Boudewijn, Deckers, Charles, Berghuis, Bianca, Wegner, Ilse, Niks, Erik H., Jansen, Floor E., Braun, Kees, de Jong, Daniëlle, Rubboli, Guido, Talvik, Inga, Sander, Valentin, Uldall, Peter, Jacquemont, Marie-Line, Nava, Caroline, Leguern, Eric, Julia, Sophie, Gambardella, Antonio, d’Orsi, Giuseppe, Crichiutti, Giovanni, Faivre, Laurence, Darmency, Veronique, Benova, Barbora, Krsek, Pavel, Biraben, Arnaud, Lebre, Anne-Sophie, Jennesson, Mélanie, Sattar, Shifteh, Marchal, Cécile, NordliJr, Douglas R, Lindstrom, Kristin, Striano, Pasquale, Lomax, Lysa Boissé, Kiss, Courtney, Bartolomei, Fabrice, Lepine, Anne Fabienne, Schoonjans, An-Sofie, Stouffs, Katrien, Jansen, Anna, Panagiotakaki, Eleni, Ricard-Mousnier, Brigitte, Thevenon, Julien, de Bellescize, Julitta, Catenoix, Hélène, Dorn, Thomas, Zenker, Martin, Müller-Schlüter, Karen, Brandt, Christian, Krey, Ilona, Polster, Tilman, Wolff, Markus, Balci, Meral, Rostasy, Kevin, Achaz, Guillaume, Zacher, Pia, Becher, Thomas, Cloppenborg, Thomas, Yuskaitis, Christopher J., Weckhuysen, Sarah, Poduri, Annapurna, Lemke, Johannes R., Møller, Rikke S., and Baulac, Stéphanie

Published
2019
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13. Correction to: The landscape of epilepsy-related GATOR1 variants

Author

Baldassari, Sara, Picard, Fabienne, Verbeek, Nienke E., van Kempen, Marjan, Brilstra, Eva H., Lesca, Gaetan, Conti, Valerio, Guerrini, Renzo, Bisulli, Francesca, Licchetta, Laura, Pippucci, Tommaso, Tinuper, Paolo, Hirsch, Edouard, Martin, Anne de Saint, Chelly, Jamel, Rudolf, Gabrielle, Chipaux, Mathilde, Ferrand-Sorbets, Sarah, Dorfmüller, Georg, Sisodiya, Sanjay, Balestrini, Simona, Schoeler, Natasha, Hernandez-Hernandez, Laura, Krithika, S., Oegema, Renske, Hagebeuk, Eveline, Gunning, Boudewijn, Deckers, Charles, Berghuis, Bianca, Wegner, Ilse, Niks, Erik, Jansen, Floor, Braun, Kees, Jong, Daniëlle de, Rubboli, Guido, Talvik, Inga, Sander, Valentin, Uldall, Peter, Jacquemont, Marie-Line, Nava, Caroline, Leguern, Eric, Julia, Sophie, Gambardella, Antonio, d’Orsi, Giuseppe, Crichiutti, Giovanni, Faivre, Laurence, Darmency, Veronique, Benova, Barbora, Krsek, Pavel, Biraben, Arnaud, Lebre, Anne-Sophie, Jennesson, Mélanie, Sattar, Shifteh, Marchal, Cécile, NordliJr, Douglas R., Lindstrom, Kristin, Striano, Pasquale, Lomax, Lysa Boissé, Kiss, Courtney, Bartolomei, Fabrice, Lepine, Anne Fabienne, Schoonjans, An-Sofie, Stouffs, Katrien, Jansen, Anna, Panagiotakaki, Eleni, Ricard-Mousnier, Brigitte, Thevenon, Julien, Bellescize, Julitta de, Catenoix, Hélène, Dorn, Thomas, Zenker, Martin, Müller-Schlüter, Karen, Brandt, Christian, Krey, Ilona, Polster, Tilman, Wolff, Markus, Balci, Meral, Rostasy, Kevin, Achaz, Guillaume, Zacher, Pia, Becher, Thomas, Cloppenborg, Thomas, Yuskaitis, Christopher J., Weckhuysen, Sarah, Poduri, Annapurna, Lemke, Johannes R., Møller, Rikke S., and Baulac, Stéphanie

Published
2019
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16. Parental experiences and perspectives on the value of seizure detection while caring for a child with epilepsy: A qualitative study

Author

Palliatieve Zorg, Child Health, Cancer, JC onderzoeksprogramma Kanker, van Westrhenen, Anouk, de Lange, Wendela F M, Hagebeuk, Eveline E O, Lazeron, Richard H C, Thijs, Roland D, Kars, Marijke C, Palliatieve Zorg, Child Health, Cancer, JC onderzoeksprogramma Kanker, van Westrhenen, Anouk, de Lange, Wendela F M, Hagebeuk, Eveline E O, Lazeron, Richard H C, Thijs, Roland D, and Kars, Marijke C

Published
2021

17. Epilepsy and Electroencephalographic Abnormalities in SATB2-Associated Syndrome

Author

Lewis, Hannah, primary, Samanta, Debopam, additional, Örsell, Jenny-Li, additional, Bosanko, Katherine A., additional, Rowell, Amy, additional, Jones, Melissa, additional, Dale, Russell C., additional, Taravath, Sasidharan, additional, Hahn, Cecil D., additional, Krishnakumar, Deepa, additional, Chagnon, Sarah, additional, Keller, Stephanie, additional, Hagebeuk, Eveline, additional, Pathak, Sheel, additional, Bebin, E. Martina, additional, Arndt, Daniel H., additional, Alexander, John J., additional, Mainali, Gayatra, additional, Coppola, Giangennaro, additional, Maclean, Jane, additional, Sparagana, Steven, additional, McNamara, Nancy, additional, Smith, Douglas M., additional, Raggio, Víctor, additional, Cruz, Marcos, additional, Fernández-Jaén, Alberto, additional, Kava, Maina P., additional, Emrick, Lisa, additional, Fish, Jennifer L., additional, Vanderver, Adeline, additional, Helman, Guy, additional, Pierson, Tyler M., additional, and Zarate, Yuri A., additional

Published
2020
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21. Erratum:Correction: The landscape of epilepsy-related GATOR1 variants (Genetics in medicine : official journal of the American College of Medical Genetics (2019) 21 2 (398-408))

Author

Baldassari, Sara, Picard, Fabienne, Verbeek, Nienke E., van Kempen, Marjan, Brilstra, Eva H., Lesca, Gaetan, Conti, Valerio, Guerrini, Renzo, Bisulli, Francesca, Licchetta, Laura, Pippucci, Tommaso, Tinuper, Paolo, Hirsch, Edouard, de Saint Martin, Anne, Chelly, Jamel, Rudolf, Gabrielle, Chipaux, Mathilde, Ferrand-Sorbets, Sarah, Dorfmüller, Georg, Sisodiya, Sanjay, Balestrini, Simona, Schoeler, Natasha, Hernandez-Hernandez, Laura, Krithika, S., Oegema, Renske, Hagebeuk, Eveline, Gunning, Boudewijn, Deckers, Charles, Berghuis, Bianca, Wegner, Ilse, Niks, Erik H., Jansen, Floor E., Braun, Kees, de Jong, Daniëlle, Rubboli, Guido, Talvik, Inga, Sander, Valentin, Uldall, Peter, Jacquemont, Marie Line, Nava, Caroline, Leguern, Eric, Julia, Sophie, Gambardella, Antonio, d'Orsi, Giuseppe, Crichiutti, Giovanni, Faivre, Laurence, Darmency, Veronique, Benova, Barbora, Krsek, Pavel, Biraben, Arnaud, Lebre, Anne Sophie, Jennesson, Mélanie, Sattar, Shifteh, Marchal, Cécile, NordliJr, Douglas R., Lindstrom, Kristin, Striano, Pasquale, Lomax, Lysa Boissé, Kiss, Courtney, Bartolomei, Fabrice, Lepine, Anne Fabienne, Schoonjans, An Sofie, Stouffs, Katrien, Jansen, Anna, Panagiotakaki, Eleni, Ricard-Mousnier, Brigitte, Thevenon, Julien, de Bellescize, Julitta, Catenoix, Hélène, Dorn, Thomas, Zenker, Martin, Müller-Schlüter, Karen, Brandt, Christian, Krey, Ilona, Polster, Tilman, Wolff, Markus, Balci, Meral, Rostasy, Kevin, Achaz, Guillaume, Zacher, Pia, Becher, Thomas, Cloppenborg, Thomas, Yuskaitis, Christopher J., Weckhuysen, Sarah, Poduri, Annapurna, Lemke, Johannes R., Møller, Rikke S., and Baulac, Stéphanie

Abstract

The original version of this article contained an error in the spelling of the author Erik H. Niks, which was incorrectly given as Erik Niks. This has now been corrected in both the PDF and HTML versions of the article.

Published
2019

22. Correction to:The landscape of epilepsy-related GATOR1 variants (Genetics in Medicine, (2019), 21, 2, (398-408), 10.1038/s41436-018-0060-2)

Author

Baldassari, Sara, Picard, Fabienne, Verbeek, Nienke E., van Kempen, Marjan, Brilstra, Eva H., Lesca, Gaetan, Conti, Valerio, Guerrini, Renzo, Bisulli, Francesca, Licchetta, Laura, Pippucci, Tommaso, Tinuper, Paolo, Hirsch, Edouard, Martin, Anne de Saint, Chelly, Jamel, Rudolf, Gabrielle, Chipaux, Mathilde, Ferrand-Sorbets, Sarah, Dorfmüller, Georg, Sisodiya, Sanjay, Balestrini, Simona, Schoeler, Natasha, Hernandez-Hernandez, Laura, Krithika, S., Oegema, Renske, Hagebeuk, Eveline, Gunning, Boudewijn, Deckers, Charles, Berghuis, Bianca, Wegner, Ilse, Niks, Erik, Jansen, Floor, Braun, Kees, Jong, Daniëlle de, Rubboli, Guido, Talvik, Inga, Sander, Valentin, Uldall, Peter, Jacquemont, Marie Line, Nava, Caroline, Leguern, Eric, Julia, Sophie, Gambardella, Antonio, d’Orsi, Giuseppe, Crichiutti, Giovanni, Faivre, Laurence, Darmency, Veronique, Benova, Barbora, Krsek, Pavel, Biraben, Arnaud, Lebre, Anne Sophie, Jennesson, Mélanie, Sattar, Shifteh, Marchal, Cécile, NordliJr, Douglas R., Lindstrom, Kristin, Striano, Pasquale, Lomax, Lysa Boissé, Kiss, Courtney, Bartolomei, Fabrice, Lepine, Anne Fabienne, Schoonjans, An Sofie, Stouffs, Katrien, Jansen, Anna, Panagiotakaki, Eleni, Ricard-Mousnier, Brigitte, Thevenon, Julien, Bellescize, Julitta de, Catenoix, Hélène, Dorn, Thomas, Zenker, Martin, Müller-Schlüter, Karen, Brandt, Christian, Krey, Ilona, Polster, Tilman, Wolff, Markus, Balci, Meral, Rostasy, Kevin, Achaz, Guillaume, Zacher, Pia, Becher, Thomas, Cloppenborg, Thomas, Yuskaitis, Christopher J., Weckhuysen, Sarah, Poduri, Annapurna, Lemke, Johannes R., Møller, Rikke S., and Baulac, Stéphanie

Subjects
ComputingMethodologies_DOCUMENTANDTEXTPROCESSING
Abstract

The original version of this Article contained an error in the author list where the corresponding author Stéphanie Baulac was repeated twice. This has now been corrected in the HTML, the PDF was correct at the time of publication.

Published
2019

24. The landscape of epilepsy-related GATOR1 variants

Author

Genetica, Genetica Klinische Genetica, Genetica Oper. Mangt Genoom Diagnostiek, Brain, Child Health, ZL Kinder Ner en Nec Medisch, Baldassari, Sara, Picard, Fabienne, Verbeek, Nienke E., van Kempen, Marjan, Brilstra, Eva H., Lesca, Gaetan, Conti, Valerio, Guerrini, Renzo, Bisulli, Francesca, Licchetta, Laura, Pippucci, Tommaso, Tinuper, Paolo, Hirsch, Edouard, de Saint Martin, Anne, Chelly, Jamel, Rudolf, Gabrielle, Chipaux, Mathilde, Ferrand-Sorbets, Sarah, Dorfmüller, Georg, Sisodiya, Sanjay, Balestrini, Simona, Schoeler, Natasha, Hernandez-Hernandez, Laura, Krithika, S., Oegema, Renske, Hagebeuk, Eveline, Gunning, Boudewijn, Deckers, Charles, Berghuis, Bianca, Wegner, Ilse, Niks, Erik, Jansen, Floor E., Braun, Kees, de Jong, Daniëlle, Rubboli, Guido, Talvik, Inga, Sander, Valentin, Uldall, Peter, Jacquemont, Marie Line, Nava, Caroline, Leguern, Eric, Julia, Sophie, Gambardella, Antonio, d’Orsi, Giuseppe, Crichiutti, Giovanni, Faivre, Laurence, Darmency, Veronique, Benova, Barbora, Krsek, Pavel, Biraben, Arnaud, Lebre, Anne Sophie, Jennesson, Mélanie, Sattar, Shifteh, Marchal, Cécile, Nordli, Douglas R., Lindstrom, Kristin, Striano, Pasquale, Lomax, Lysa Boissé, Kiss, Courtney, Bartolomei, Fabrice, Lepine, Anne Fabienne, Schoonjans, An Sofie, Stouffs, Katrien, Jansen, Anna, Panagiotakaki, Eleni, Ricard-Mousnier, Brigitte, Thevenon, Julien, de Bellescize, Julitta, Catenoix, Hélène, Dorn, Thomas, Zenker, Martin, Müller-Schlüter, Karen, Brandt, Christian, Krey, Ilona, Polster, Tilman, Wolff, Markus, Balci, Meral, Rostasy, Kevin, Achaz, Guillaume, Zacher, Pia, Becher, Thomas, Cloppenborg, Thomas, Yuskaitis, Christopher J., Weckhuysen, Sarah, Poduri, Annapurna, Lemke, Johannes R., Møller, Rikke S., Baulac, Stéphanie, Genetica, Genetica Klinische Genetica, Genetica Oper. Mangt Genoom Diagnostiek, Brain, Child Health, ZL Kinder Ner en Nec Medisch, Baldassari, Sara, Picard, Fabienne, Verbeek, Nienke E., van Kempen, Marjan, Brilstra, Eva H., Lesca, Gaetan, Conti, Valerio, Guerrini, Renzo, Bisulli, Francesca, Licchetta, Laura, Pippucci, Tommaso, Tinuper, Paolo, Hirsch, Edouard, de Saint Martin, Anne, Chelly, Jamel, Rudolf, Gabrielle, Chipaux, Mathilde, Ferrand-Sorbets, Sarah, Dorfmüller, Georg, Sisodiya, Sanjay, Balestrini, Simona, Schoeler, Natasha, Hernandez-Hernandez, Laura, Krithika, S., Oegema, Renske, Hagebeuk, Eveline, Gunning, Boudewijn, Deckers, Charles, Berghuis, Bianca, Wegner, Ilse, Niks, Erik, Jansen, Floor E., Braun, Kees, de Jong, Daniëlle, Rubboli, Guido, Talvik, Inga, Sander, Valentin, Uldall, Peter, Jacquemont, Marie Line, Nava, Caroline, Leguern, Eric, Julia, Sophie, Gambardella, Antonio, d’Orsi, Giuseppe, Crichiutti, Giovanni, Faivre, Laurence, Darmency, Veronique, Benova, Barbora, Krsek, Pavel, Biraben, Arnaud, Lebre, Anne Sophie, Jennesson, Mélanie, Sattar, Shifteh, Marchal, Cécile, Nordli, Douglas R., Lindstrom, Kristin, Striano, Pasquale, Lomax, Lysa Boissé, Kiss, Courtney, Bartolomei, Fabrice, Lepine, Anne Fabienne, Schoonjans, An Sofie, Stouffs, Katrien, Jansen, Anna, Panagiotakaki, Eleni, Ricard-Mousnier, Brigitte, Thevenon, Julien, de Bellescize, Julitta, Catenoix, Hélène, Dorn, Thomas, Zenker, Martin, Müller-Schlüter, Karen, Brandt, Christian, Krey, Ilona, Polster, Tilman, Wolff, Markus, Balci, Meral, Rostasy, Kevin, Achaz, Guillaume, Zacher, Pia, Becher, Thomas, Cloppenborg, Thomas, Yuskaitis, Christopher J., Weckhuysen, Sarah, Poduri, Annapurna, Lemke, Johannes R., Møller, Rikke S., and Baulac, Stéphanie

Published
2019

25. IQSEC2-related encephalopathy in males and females: a comparative study including 37 novel patients

Author

Genetica Klinische Genetica, Circulatory Health, Metabole ziekten patientenzorg, Child Health, Cluster C, Genetica Oper. Mangt Genoom Diagnostiek, Brain, Genetica Groep Koeleman, Mignot, Cyril, McMahon, Aoife C, Bar, Claire, Campeau, Philippe M, Davidson, Claire, Buratti, Julien, Nava, Caroline, Jacquemont, Marie-Line, Tallot, Marilyn, Milh, Mathieu, Edery, Patrick, Marzin, Pauline, Barcia, Giulia, Barnerias, Christine, Besmond, Claude, Bienvenu, Thierry, Bruel, Ange-Line, Brunga, Ledia, Ceulemans, Berten, Coubes, Christine, Cristancho, Ana G, Cunningham, Fiona, Dehouck, Marie-Bertille, Donner, Elizabeth J, Duban-Bedu, Bénédicte, Dubourg, Christèle, Gardella, Elena, Gauthier, Julie, Geneviève, David, Gobin-Limballe, Stéphanie, Goldberg, Ethan M, Hagebeuk, Eveline, Hamdan, Fadi F, Hančárová, Miroslava, Hubert, Laurence, Ioos, Christine, Ichikawa, Shoji, Janssens, Sandra, Journel, Hubert, Kaminska, Anna, Keren, Boris, Koopmans, Marije, Lacoste, Caroline, Laššuthová, Petra, Lederer, Damien, Lehalle, Daphné, Marjanovic, Dragan, Métreau, Julia, Michaud, Jacques L, Miller, Kathryn, Minassian, Berge A, Morales, Joannella, Moutard, Marie-Laure, Munnich, Arnold, Ortiz-Gonzalez, Xilma R, Pinard, Jean-Marc, Prchalová, Darina, Putoux, Audrey, Quelin, Chloé, Rosen, Alyssa R, Roume, Joelle, Rossignol, Elsa, Simon, Marleen E H, Smol, Thomas, Shur, Natasha, Shelihan, Ivan, Štěrbová, Katalin, Vyhnálková, Emílie, Vilain, Catheline, Soblet, Julie, Smits, Guillaume, Yang, Samuel P, van der Smagt, Jasper J, van Hasselt, Peter M, van Kempen, Marjan, Weckhuysen, Sarah, Helbig, Ingo, Villard, Laurent, Héron, Delphine, Koeleman, Bobby, Møller, Rikke S, Lesca, Gaetan, Helbig, Katherine L, Nabbout, Rima, Verbeek, Nienke E, Depienne, Christel, Genetica Klinische Genetica, Circulatory Health, Metabole ziekten patientenzorg, Child Health, Cluster C, Genetica Oper. Mangt Genoom Diagnostiek, Brain, Genetica Groep Koeleman, Mignot, Cyril, McMahon, Aoife C, Bar, Claire, Campeau, Philippe M, Davidson, Claire, Buratti, Julien, Nava, Caroline, Jacquemont, Marie-Line, Tallot, Marilyn, Milh, Mathieu, Edery, Patrick, Marzin, Pauline, Barcia, Giulia, Barnerias, Christine, Besmond, Claude, Bienvenu, Thierry, Bruel, Ange-Line, Brunga, Ledia, Ceulemans, Berten, Coubes, Christine, Cristancho, Ana G, Cunningham, Fiona, Dehouck, Marie-Bertille, Donner, Elizabeth J, Duban-Bedu, Bénédicte, Dubourg, Christèle, Gardella, Elena, Gauthier, Julie, Geneviève, David, Gobin-Limballe, Stéphanie, Goldberg, Ethan M, Hagebeuk, Eveline, Hamdan, Fadi F, Hančárová, Miroslava, Hubert, Laurence, Ioos, Christine, Ichikawa, Shoji, Janssens, Sandra, Journel, Hubert, Kaminska, Anna, Keren, Boris, Koopmans, Marije, Lacoste, Caroline, Laššuthová, Petra, Lederer, Damien, Lehalle, Daphné, Marjanovic, Dragan, Métreau, Julia, Michaud, Jacques L, Miller, Kathryn, Minassian, Berge A, Morales, Joannella, Moutard, Marie-Laure, Munnich, Arnold, Ortiz-Gonzalez, Xilma R, Pinard, Jean-Marc, Prchalová, Darina, Putoux, Audrey, Quelin, Chloé, Rosen, Alyssa R, Roume, Joelle, Rossignol, Elsa, Simon, Marleen E H, Smol, Thomas, Shur, Natasha, Shelihan, Ivan, Štěrbová, Katalin, Vyhnálková, Emílie, Vilain, Catheline, Soblet, Julie, Smits, Guillaume, Yang, Samuel P, van der Smagt, Jasper J, van Hasselt, Peter M, van Kempen, Marjan, Weckhuysen, Sarah, Helbig, Ingo, Villard, Laurent, Héron, Delphine, Koeleman, Bobby, Møller, Rikke S, Lesca, Gaetan, Helbig, Katherine L, Nabbout, Rima, Verbeek, Nienke E, and Depienne, Christel

Published
2019

31. Erratum to: Remarkable Phenytoin Sensitivity in 4 Children with SCN8A-related Epilepsy: A Molecular Neuropharmacological Approach

Author

Genetica Klinische Genetica, ZL Kinder Ner en Nec Medisch, Brain, Apotheek Klinische Farmacie, Klinische zorg, Other research (not in main researchprogram), Child Health, Genetica Sectie Genoomdiagnostiek, Genetica Groep Koeleman, Circulatory Health, Boerma, Ragna S., Braun, Kees P., van den Broek, Marcel P H, van Berkestijn, Frederique M C, Swinkels, Marielle E., Hagebeuk, Eveline O., Lindhout, Dick, van Kempen, Marjan, Boon, Maartje, Nicolai, Joost, de Kovel, Carolien G., Brilstra, Eva H., Koeleman, Bobby P C, Genetica Klinische Genetica, ZL Kinder Ner en Nec Medisch, Brain, Apotheek Klinische Farmacie, Klinische zorg, Other research (not in main researchprogram), Child Health, Genetica Sectie Genoomdiagnostiek, Genetica Groep Koeleman, Circulatory Health, Boerma, Ragna S., Braun, Kees P., van den Broek, Marcel P H, van Berkestijn, Frederique M C, Swinkels, Marielle E., Hagebeuk, Eveline O., Lindhout, Dick, van Kempen, Marjan, Boon, Maartje, Nicolai, Joost, de Kovel, Carolien G., Brilstra, Eva H., and Koeleman, Bobby P C

Published
2016

32. Remarkable Phenytoin Sensitivity in 4 Children with SCN8A-related Epilepsy: A Molecular Neuropharmacological Approach

Author

Genetica Klinische Genetica, ZL Kinder Ner en Nec Medisch, Brain, Apotheek Klinische Farmacie, Klinische zorg, Other research (not in main researchprogram), Integrale & Alg. Kindergen Patientenzorg, Child Health, Genetica Sectie Genoomdiagnostiek, Genetica Groep Koeleman, Circulatory Health, Boerma, Ragna S., Braun, Kees P., van den Broek, Maarten P H, van Berkestijn, Frederique M C, Swinkels, Marielle E., Hagebeuk, Eveline O., Lindhout, Dick, van Kempen, Marjan, Boon, Maartje, Nicolai, Joost, de Kovel, Carolien G., Brilstra, Eva H., Koeleman, Bobby P C, Genetica Klinische Genetica, ZL Kinder Ner en Nec Medisch, Brain, Apotheek Klinische Farmacie, Klinische zorg, Other research (not in main researchprogram), Integrale & Alg. Kindergen Patientenzorg, Child Health, Genetica Sectie Genoomdiagnostiek, Genetica Groep Koeleman, Circulatory Health, Boerma, Ragna S., Braun, Kees P., van den Broek, Maarten P H, van Berkestijn, Frederique M C, Swinkels, Marielle E., Hagebeuk, Eveline O., Lindhout, Dick, van Kempen, Marjan, Boon, Maartje, Nicolai, Joost, de Kovel, Carolien G., Brilstra, Eva H., and Koeleman, Bobby P C

Published
2016

34. Erratum to: Remarkable Phenytoin Sensitivity in 4 Children with SCN8A-related Epilepsy: A Molecular Neuropharmacological Approach

Author

Boerma, Ragna S., primary, Braun, Kees P., additional, van den Broek, Marcel P. H., additional, van Berkestijn, Frederique M. C., additional, Swinkels, Marielle E., additional, Hagebeuk, Eveline O., additional, Lindhout, Dick, additional, van Kempen, Marjan, additional, Boon, Maartje, additional, Nicolai, Joost, additional, de Kovel, Carolien G., additional, Brilstra, Eva H., additional, and Koeleman, Bobby P. C., additional

Published
2015
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35. Remarkable Phenytoin Sensitivity in 4 Children with SCN8A-related Epilepsy: A Molecular Neuropharmacological Approach

Author

Boerma, Ragna S., primary, Braun, Kees P., additional, van de Broek, Maarten P. H., additional, van Berkestijn, Frederique M. C., additional, Swinkels, Marielle E., additional, Hagebeuk, Eveline O., additional, Lindhout, Dick, additional, van Kempen, Marjan, additional, Boon, Maartje, additional, Nicolai, Joost, additional, de Kovel, Carolien G., additional, Brilstra, Eva H., additional, and Koeleman, Bobby P. C., additional

Published
2015
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36. Effect of vaccinations on seizure risk and disease course in Dravet syndrome

Author

Verbeek, Nienke E., primary, van der Maas, Nicoline A.T., additional, Sonsma, Anja C.M., additional, Ippel, Elly, additional, Vermeer-de Bondt, Patricia E., additional, Hagebeuk, Eveline, additional, Jansen, Floor E., additional, Geesink, Huibert H., additional, Braun, Kees P., additional, de Louw, Anton, additional, Augustijn, Paul B., additional, Neuteboom, Rinze F., additional, Schieving, Jolanda H., additional, Stroink, Hans, additional, Vermeulen, R. Jeroen, additional, Nicolai, Joost, additional, Brouwer, Oebele F., additional, van Kempen, Marjan, additional, de Kovel, Carolien G.F., additional, Kemmeren, Jeanet M., additional, Koeleman, Bobby P.C., additional, Knoers, Nine V., additional, Lindhout, Dick, additional, Gunning, W. Boudewijn, additional, and Brilstra, Eva H., additional

Published
2015
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44. Circadian rest-activity rhythm disturbances in Alzheimer's disease

Author

Van Someren, Eus J.W., Hagebeuk, Eveline E.O., Lijzenga, Cees, Scheltens, Philip, De Rooij, Sophie E.J.A., Jonker, Cees, Pot, Anne Margriet, Mirmiran, Majid, Swaab, Dick F., Van Someren, Eus J.W., Hagebeuk, Eveline E.O., Lijzenga, Cees, Scheltens, Philip, De Rooij, Sophie E.J.A., Jonker, Cees, Pot, Anne Margriet, Mirmiran, Majid, and Swaab, Dick F.

Abstract

Previous studies showed circadian rhythm disturbances in patients with Alzheimer's disease. Rest-activity rhythm disturbances manifest themselves through a fragmentation of the rhythm, a weak coupling with Zeitgebers, and high levels of activity during the night. The aim of the present study was to investigate which factors contribute to the presence of these disturbances. Therefore, several rest-activity rhythm, constitutional, and environmental variables were assessed in a heterogeneous group of 34 patients with Alzheimer's disease, including presenile and senile patients living at home or in a nursing home, as well as in 11 healthy controls. Circadian rest-activity rhythm disturbances were most prominent in institutionalized patients. Regression analyses showed the involvement of the following variables. First stability of the rest-activity rhythm is associated with high levels of daytime activity and high levels of environmental light resulting from seasonal effects as well as from indoor illumination. Presenile onset contributed to instability of the rhythm. Second, fragmentation of periods of activity and rest is associated with low levels of daytime activity, and is most prominent in moderately severe dementia. Third, night-time activity level is higher during the times of the year when the days are getting shorter and lower when the days are growing longer. These findings indicate that rest-activity rhythm disturbances may improve by increasing environmental light and daytime activity, an assumption for which empirical evidence has recently been published.

Published
1996

46. Folinic Acid Supplementation in Rett Syndrome Patients Does Not Influence the Course of the Disease: A Randomized Study.

Author

Hagebeuk, Eveline E. O., Duran, Marinus, Koelman, Johannes H. T. M., Abeling, Nicolaas G. G. M., Vyth, Arno, and Poll-The, Bwee-Tien

Subjects
*RETT syndrome, *FOLINIC acid, *5-Methyltetrahydrofolate, *CEREBROSPINAL fluid, *DIETARY supplements
Abstract

Rett syndrome is a neurodevelopmental disorder in girls, related to mutations in MECP2 gene. It has been postulated that low 5-methyltetrahydrofolate (5-MTHF) levels are present in cerebrospinal fluid. Folinic acid demonstrated clinical improvement. However, because studies have produced conflicting results, we performed a randomized, double-blind crossover, long-term, follow-up study on folinic acid. Eight Rett syndrome patients received both folinic acid and placebo, for 1 year each. Measurements included plasma folate, 5-MTHF, and clinical outcome scores like Rett Syndrome Motor Behavioral Assessment, Hand Apraxia Scale, and the parental Overall Well-Being Index. In 2 patients, low 5-MTHF levels were present. Folinic acid supplementation increased cerebrospinal fluid 5-MTHF levels, but with no objective evidence of clinical improvement. The Overall Well-Being Index showed a significant difference in favor of folinic acid, not confirmed objectively. In our double-blind randomized study, folinic acid supplementation resulted in increased 5-MTHF levels, but with no objective signs of clinical improvement. [ABSTRACT FROM AUTHOR]

Published
2012
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47. [Staring episodes in children with developmental disorders: epilepsy or behaviour?].

Author

Bos MJ, de Weerd AW, and Hagebeuk EE

Subjects
Attention Deficit Disorder with Hyperactivity complications, Autistic Disorder complications, Child, Diagnosis, Differential, Epilepsy diagnosis, Humans, Male, Monitoring, Physiologic methods, Seizures diagnosis, Valproic Acid therapeutic use, Child Behavior, Electroencephalography methods, Fixation, Ocular, Valproic Acid adverse effects
Abstract

Behavioural episodes of staring in children are difficult to distinguish from epileptic seizures, especially in children with developmental disorders such as ADHD, autism spectrum disorders and intellectual disabilities. We discuss two patients with staring episodes who were using anti-epileptic drugs. In both patients, EEG with video monitoring showed that the staring was non-epileptic. The first is an 8-year-old boy, who developed severe motor problems and ataxia during treatment with valproate. His staring episodes were behavioural, caused by his intellectual disability, and the motor problems resolved after discontinuation of valproate. The second patient is a 10-year-old boy with known autism, ADHD and infantile seizures, who developed staring for which he was using valproate. Again, video-EEG monitoring during staring showed no abnormalities and in this case the staring was caused by his intellectual disability and autism. We discuss the differential diagnosis of staring episodes in children with developmental disorders and present the pitfalls of the diagnostic process.

Published
2011

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