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1. Lines of distinction : self-other dynamics within cultural groups

Author

Knaus, Julia

Subjects
302.23, HM Sociology
Abstract

Lines of Distinction establishes a critical framework for the study of relationship dynamics within cultural groups. As a critical framework, Lines of Distinction are differences associated with value judgements that determine what and who is considered ‘self,’ and therefore ‘good,’ or ‘other,’ and therefore ‘bad.’ This is applied to the often unexamined interior dynamics of cultural groups, using the English-speaking Sherlock Holmes fandom as a primary case study. The thesis uses Pierre Bourdieu and Michel Foucault’s conceptions of ‘power’ in its critical framework. It focusses in particular on self-other dynamics in a non-hierarchical sense, in that any individual or faction within a cultural group considers themselves to be ‘self’/‘good’ while simultaneously being thought of as ‘other’/‘bad’ by other individuals or factions. This contests an objective hierarchical structure and argues that these Lines of Distinction emerge only through actual practice and interaction. The thesis extensively draws on primary data generated by the actual members of the chosen cultural group, Sherlock Holmes fans. This data was gathered primarily through a questionnaire, interviews and participant observation. It captures three broad categories of Lines of Distinction within this fandom: those relating to the ways in which fans approach their fandom; those that concern the ways fans engage with each other; and those that touch on fans’ demographics. The interplay between these three broad categories is then examined through three fandom activities, meetings, fiction writing and non-fiction writing. The thesis highlights the complexities of self-other dynamics within groups such as fandoms and the applicability of the framework of Lines of Distinction in diverse situations. In this way, this thesis adds to conversations around cultural power dynamics more broadly, while also giving a more balanced perspective on fandoms, which are cultural groups that have traditionally been homogenised in view of an outside Other. The overall aim of the project is to provide a critical framework that enables the further examination of the interior dynamics of a diverse range of such cultural groups, in fandom and beyond.

Published
2019

2. Rare coding variants in genes encoding GABAA receptors in genetic generalised epilepsies: an exome-based case-control study

Author

May, Patrick, Girard, Simon, Harrer, Merle, Bobbili, Dheeraj R, Schubert, Julian, Wolking, Stefan, Becker, Felicitas, Lachance-Touchette, Pamela, Meloche, Caroline, Gravel, Micheline, Niturad, Cristina E, Knaus, Julia, De Kovel, Carolien, Toliat, Mohamad, Polvi, Anne, Iacomino, Michele, Guerrero-López, Rosa, Baulac, Stéphanie, Marini, Carla, Thiele, Holger, Altmüller, Janine, Jabbari, Kamel, Ruppert, Ann-Kathrin, Jurkowski, Wiktor, Lal, Dennis, Rusconi, Raffaella, Cestèle, Sandrine, Terragni, Benedetta, Coombs, Ian D, Reid, Christopher A, Striano, Pasquale, Caglayan, Hande, Siren, Auli, Everett, Kate, Møller, Rikke S, Hjalgrim, Helle, Muhle, Hiltrud, Helbig, Ingo, Kunz, Wolfram S, Weber, Yvonne G, Weckhuysen, Sarah, De Jonghe, Peter, Sisodiya, Sanjay M, Nabbout, Rima, Franceschetti, Silvana, Coppola, Antonietta, Vari, Maria S, Kasteleijn-Nolst Trenité, Dorothée, Baykan, Betul, Ozbek, Ugur, Bebek, Nerses, Klein, Karl M, Rosenow, Felix, Nguyen, Dang K, Dubeau, François, Carmant, Lionel, Lortie, Anne, Desbiens, Richard, Clément, Jean-François, Cieuta-Walti, Cécile, Sills, Graeme J, Auce, Pauls, Francis, Ben, Johnson, Michael R, Marson, Anthony G, Berghuis, Bianca, Sander, Josemir W, Avbersek, Andreja, McCormack, Mark, Cavalleri, Gianpiero L, Delanty, Norman, Depondt, Chantal, Krenn, Martin, Zimprich, Fritz, Peter, Sarah, Nikanorova, Marina, Kraaij, Robert, van Rooij, Jeroen, Balling, Rudi, Arfan Ikram, M, Uitterlinden, André G, Avanzini, Giuliano, Schorge, Stephanie, Petrou, Steven, Mantegazza, Massimo, Sander, Thomas, LeGuern, Eric, Serratosa, Jose M, Koeleman, Bobby P C, Palotie, Aarno, Lehesjoki, Anna-Elina, Nothnagel, Michael, Nürnberg, Peter, Maljevic, Snezana, Zara, Federico, Cossette, Patrick, Krause, Roland, Lerche, Holger, Ferlazzo, Edoardo, di Bonaventura, Carlo, La Neve, Angela, Tinuper, Paolo, Bisulli, Francesca, Vignoli, Aglaia, Capovilla, Giuseppe, Crichiutti, Giovanni, Gambardella, Antonio, Belcastro, Vincenzo, Bianchi, Amedeo, Yalçın, Destina, Dizdarer, Gulsen, Arslan, Kezban, Yapıcı, Zuhal, Kuşcu, Demet, Leu, Costin, Heggeli, Kristin, Willis, Joseph, Langley, Sarah R, Jorgensen, Andrea, Srivastava, Prashant, Rau, Sarah, Hengsbach, Christian, Sonsma, Anja C.M., Jonghe, Peter De, and Ikram, M Arfan

Published
2018
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3. VVD Rebranding

Author

Knaus, Julia, Klein, Christian, Harringer, Christoph, editor, and Maier, Hannes, editor

Published
2011
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5. Rare coding variants in genes encoding GABAA receptors in genetic generalised epilepsies: an exome-based case-control study

Author

Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], Luxembourg Centre for Systems Biomedicine (LCSB): Experimental Neurobiology (Balling Group) [research center], University of Luxembourg: High Performance Computing - ULHPC [research center], May, Patrick, Girard, Simon, Harrer, Merle, Bobbili, Dheeraj Reddy, Schubert, Julian, Wolking, Stefan, Becker, Felicitas, Lachance-Touchette, Pamela, Meloche, Caroline, Gravel, Micheline, Niturad, Christina E., Knaus, Julia, De Kovel, Carolien, Toliat, Mohamad, Polvi, Anne, Iacomino, Michele, Guerrero-López, Rosa, Baulac, Stéphanie, Marini, Carla, Thiele, Holger, Altmüller, Janine, Jabbari, Kamel, Ruppert, Ann-Kathrin, Jurkowski, Wiktor, Lal, Dennis, Rusconi, Raffaella, Cestèle, Sandrine, Terragni, Benedetta, Coombs, Ian D., Reid, Christopher A., Striano, Pasquale, Caglayan, Hande, Siren, Auli, Everett, Kate, Møller, Rikke S., Hjalgrim, Hille, Muhle, Hiltrud, Helbig, Ingo, Kunz, Wolfram S., Weber, Yvonne G., De Jonghe, Peter, Sisodiya, Sanjay M., Nabbout, Rima, Franceschetti, Silvana, Coppola, Antonietta, Vari, Maria S., Kasteleijn-Nolst Trenité, Dorothée, Baykan, Betul, Ozbek, Ugur, Bebek, Nerses, Klein, Karl M., Rosenow, Felix, Nguyen, Dang K., Dubeau, Francis, Carmant, Lionel, Lortie, Anne, Desbiens, Richard, Clément, Jean-François, Cieuta-Walti, Sills, Graeme J., Auce, Pauls, Francin, Ben, Johnson, Michael R., Berghuis, Bianca, Sander, Josemir W., Avbersek, Andreja, McCormack, Mark, Cavalleri, Gianpiero L., Delanty, Norman, Depondt, Chantal, Krenn, Martin, Zimprich, Fritz, Peter, Sarah, Nikanorova, Marina, Kraaij, Robert, van Rooij, Jeroen, Balling, Rudi, Ikram, M. Arfan, Uitterlinden, André G., Avanzini, Giuliano, Schorge, Stephanie, Petrou, Steven, Mantegazza, Massimo, Sander, Thomas, LeGuern, Eric, Serratosa Jose M., Koeleman, Bobby P.C., Palotie, Aarno, Lehesjoki, Anna-Elina, Nothnagel, Michael, Nürnberg, Peter, Maljevic, Snezana, Zara, Federico, Cossette, Patrick, Krause, Roland, Lerche, Holger, Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], Luxembourg Centre for Systems Biomedicine (LCSB): Experimental Neurobiology (Balling Group) [research center], University of Luxembourg: High Performance Computing - ULHPC [research center], May, Patrick, Girard, Simon, Harrer, Merle, Bobbili, Dheeraj Reddy, Schubert, Julian, Wolking, Stefan, Becker, Felicitas, Lachance-Touchette, Pamela, Meloche, Caroline, Gravel, Micheline, Niturad, Christina E., Knaus, Julia, De Kovel, Carolien, Toliat, Mohamad, Polvi, Anne, Iacomino, Michele, Guerrero-López, Rosa, Baulac, Stéphanie, Marini, Carla, Thiele, Holger, Altmüller, Janine, Jabbari, Kamel, Ruppert, Ann-Kathrin, Jurkowski, Wiktor, Lal, Dennis, Rusconi, Raffaella, Cestèle, Sandrine, Terragni, Benedetta, Coombs, Ian D., Reid, Christopher A., Striano, Pasquale, Caglayan, Hande, Siren, Auli, Everett, Kate, Møller, Rikke S., Hjalgrim, Hille, Muhle, Hiltrud, Helbig, Ingo, Kunz, Wolfram S., Weber, Yvonne G., De Jonghe, Peter, Sisodiya, Sanjay M., Nabbout, Rima, Franceschetti, Silvana, Coppola, Antonietta, Vari, Maria S., Kasteleijn-Nolst Trenité, Dorothée, Baykan, Betul, Ozbek, Ugur, Bebek, Nerses, Klein, Karl M., Rosenow, Felix, Nguyen, Dang K., Dubeau, Francis, Carmant, Lionel, Lortie, Anne, Desbiens, Richard, Clément, Jean-François, Cieuta-Walti, Sills, Graeme J., Auce, Pauls, Francin, Ben, Johnson, Michael R., Berghuis, Bianca, Sander, Josemir W., Avbersek, Andreja, McCormack, Mark, Cavalleri, Gianpiero L., Delanty, Norman, Depondt, Chantal, Krenn, Martin, Zimprich, Fritz, Peter, Sarah, Nikanorova, Marina, Kraaij, Robert, van Rooij, Jeroen, Balling, Rudi, Ikram, M. Arfan, Uitterlinden, André G., Avanzini, Giuliano, Schorge, Stephanie, Petrou, Steven, Mantegazza, Massimo, Sander, Thomas, LeGuern, Eric, Serratosa Jose M., Koeleman, Bobby P.C., Palotie, Aarno, Lehesjoki, Anna-Elina, Nothnagel, Michael, Nürnberg, Peter, Maljevic, Snezana, Zara, Federico, Cossette, Patrick, Krause, Roland, and Lerche, Holger

Abstract

Background Genetic generalised epilepsy is the most common type of inherited epilepsy. Despite a high concordance rate of 80% in monozygotic twins, the genetic background is still poorly understood. We aimed to investigate the burden of rare genetic variants in genetic generalised epilepsy. Methods For this exome-based case-control study, we used three different genetic generalised epilepsy case cohorts and three independent control cohorts, all of European descent. Cases included in the study were clinically evaluated for genetic generalised epilepsy. Whole-exome sequencing was done for the discovery case cohort, a validation case cohort, and two independent control cohorts. The replication case cohort underwent targeted next-generation sequencing of the 19 known genes encoding subunits of GABAA receptors and was compared to the respective GABAA receptor variants of a third independent control cohort. Functional investigations were done with automated two-microelectrode voltage clamping in Xenopus laevis oocytes. Findings Statistical comparison of 152 familial index cases with genetic generalised epilepsy in the discovery cohort to 549 ethnically matched controls suggested an enrichment of rare missense (Nonsyn) variants in the ensemble of 19 genes encoding GABAA receptors in cases (odds ratio [OR] 2·40 [95% CI 1·41–4·10]; pNonsyn=0·0014, adjusted pNonsyn=0·019). Enrichment for these genes was validated in a whole-exome sequencing cohort of 357 sporadic and familial genetic generalised epilepsy cases and 1485 independent controls (OR 1·46 [95% CI 1·05–2·03]; pNonsyn=0·0081, adjusted pNonsyn=0·016). Comparison of genes encoding GABAA receptors in the independent replication cohort of 583 familial and sporadic genetic generalised epilepsy index cases, based on candidate-gene panel sequencing, with a third independent control cohort of 635 controls confirmed the overall enrichment of rare missense variants for 15 GABAA receptor genes in cases compared with controls (O

Published
2018

6. Rare coding variants in genes encoding GABAA receptors in genetic generalised epilepsies: an exome-based case-control study

Author

Genetica Groep Koeleman, Zorglijn FNE Medisch, Brain, Child Health, Circulatory Health, Genetica, May, Patrick, Girard, Simon, Harrer, Merle, Bobbili, Dheeraj R., Schubert, Julian, Wolking, Stefan, Becker, Felicitas, Lachance-Touchette, Pamela, Meloche, Caroline, Gravel, Micheline, Niturad, Cristina E., Knaus, Julia, De Kovel, Carolien, Toliat, Mohamad, Polvi, Anne, Iacomino, Michele, Guerrero-López, Rosa, Baulac, Stéphanie, Marini, Carla, Thiele, Holger, Altmüller, Janine, Jabbari, Kamel, Ruppert, Ann Kathrin, Jurkowski, Wiktor, Lal, Dennis, Rusconi, Raffaella, Cestèle, Sandrine, Terragni, Benedetta, Coombs, Ian D., Reid, Christopher A., Striano, Pasquale, Caglayan, Hande, Siren, Auli, Everett, Kate, Møller, Rikke S., Hjalgrim, Helle, Muhle, Hiltrud, Helbig, Ingo, Kunz, Wolfram S., Weber, Yvonne G., Weckhuysen, Sarah, De Jonghe, Peter, Sisodiya, Sanjay M., Nabbout, Rima, Franceschetti, Silvana, Kasteleijn-Nolst Trenité, Dorothée, Koeleman, Bobby P.C., Sonsma, Anja C.M., EPICURE Consortium, EuroEPINOMICS CoGIE Consortium, EpiPGX Consortium, Genetica Groep Koeleman, Zorglijn FNE Medisch, Brain, Child Health, Circulatory Health, Genetica, May, Patrick, Girard, Simon, Harrer, Merle, Bobbili, Dheeraj R., Schubert, Julian, Wolking, Stefan, Becker, Felicitas, Lachance-Touchette, Pamela, Meloche, Caroline, Gravel, Micheline, Niturad, Cristina E., Knaus, Julia, De Kovel, Carolien, Toliat, Mohamad, Polvi, Anne, Iacomino, Michele, Guerrero-López, Rosa, Baulac, Stéphanie, Marini, Carla, Thiele, Holger, Altmüller, Janine, Jabbari, Kamel, Ruppert, Ann Kathrin, Jurkowski, Wiktor, Lal, Dennis, Rusconi, Raffaella, Cestèle, Sandrine, Terragni, Benedetta, Coombs, Ian D., Reid, Christopher A., Striano, Pasquale, Caglayan, Hande, Siren, Auli, Everett, Kate, Møller, Rikke S., Hjalgrim, Helle, Muhle, Hiltrud, Helbig, Ingo, Kunz, Wolfram S., Weber, Yvonne G., Weckhuysen, Sarah, De Jonghe, Peter, Sisodiya, Sanjay M., Nabbout, Rima, Franceschetti, Silvana, Kasteleijn-Nolst Trenité, Dorothée, Koeleman, Bobby P.C., Sonsma, Anja C.M., EPICURE Consortium, EuroEPINOMICS CoGIE Consortium, and EpiPGX Consortium

Published
2018

8. Lines of distinction: self-other dynamics within cultural groups

Author

Knaus, Julia and Knaus, Julia

Abstract

Lines of Distinction establishes a critical framework for the study of relationship dynamics within cultural groups. As a critical framework, Lines of Distinction are differences associated with value judgements that determine what and who is considered ‘self,’ and therefore ‘good,’ or ‘other,’ and therefore ‘bad.’ This is applied to the often unexamined interior dynamics of cultural groups, using the English-speaking Sherlock Holmes fandom as a primary case study. The thesis uses Pierre Bourdieu and Michel Foucault’s conceptions of ‘power’ in its critical framework. It focusses in particular on self-other dynamics in a non-hierarchical sense, in that any individual or faction within a cultural group considers themselves to be ‘self’/‘good’ while simultaneously being thought of as ‘other’/‘bad’ by other individuals or factions. This contests an objective hierarchical structure and argues that these Lines of Distinction emerge only through actual practice and interaction. The thesis extensively draws on primary data generated by the actual members of the chosen cultural group, Sherlock Holmes fans. This data was gathered primarily through a questionnaire, interviews and participant observation. It captures three broad categories of Lines of Distinction within this fandom: those relating to the ways in which fans approach their fandom; those that concern the ways fans engage with each other; and those that touch on fans’ demographics. The interplay between these three broad categories is then examined through three fandom activities, meetings, fiction writing and non-fiction writing. The thesis highlights the complexities of self-other dynamics within groups such as fandoms and the applicability of the framework of Lines of Distinction in diverse situations. In this way, this thesis adds to conversations around cultural power dynamics more broadly, while also giving a more balanced perspective on fandoms, which are cultural groups that have traditionally been homogeni

10. Rare coding variants in genes encoding GABAA receptors in genetic generalised epilepsies: an exome-based case-control study

Author

Patrick May, Simon Girard, Merle Harrer, Dheeraj R Bobbili, Julian Schubert, Stefan Wolking, Felicitas Becker, Pamela Lachance-Touchette, Caroline Meloche, Micheline Gravel, Cristina E Niturad, Julia Knaus, Carolien De Kovel, Mohamad Toliat, Anne Polvi, Michele Iacomino, Rosa Guerrero-López, Stéphanie Baulac, Carla Marini, Holger Thiele, Janine Altmüller, Kamel Jabbari, Ann-Kathrin Ruppert, Wiktor Jurkowski, Dennis Lal, Raffaella Rusconi, Sandrine Cestèle, Benedetta Terragni, Ian D Coombs, Christopher A Reid, Pasquale Striano, Hande Caglayan, Auli Siren, Kate Everett, Rikke S Møller, Helle Hjalgrim, Hiltrud Muhle, Ingo Helbig, Wolfram S Kunz, Yvonne G Weber, Sarah Weckhuysen, Peter De Jonghe, Sanjay M Sisodiya, Rima Nabbout, Silvana Franceschetti, Antonietta Coppola, Maria S Vari, Dorothée Kasteleijn-Nolst Trenité, Betul Baykan, Ugur Ozbek, Nerses Bebek, Karl M Klein, Felix Rosenow, Dang K Nguyen, François Dubeau, Lionel Carmant, Anne Lortie, Richard Desbiens, Jean-François Clément, Cécile Cieuta-Walti, Graeme J Sills, Pauls Auce, Ben Francis, Michael R Johnson, Anthony G Marson, Bianca Berghuis, Josemir W Sander, Andreja Avbersek, Mark McCormack, Gianpiero L Cavalleri, Norman Delanty, Chantal Depondt, Martin Krenn, Fritz Zimprich, Sarah Peter, Marina Nikanorova, Robert Kraaij, Jeroen van Rooij, Rudi Balling, M Arfan Ikram, André G Uitterlinden, Giuliano Avanzini, Stephanie Schorge, Steven Petrou, Massimo Mantegazza, Thomas Sander, Eric LeGuern, Jose M Serratosa, Bobby P C Koeleman, Aarno Palotie, Anna-Elina Lehesjoki, Michael Nothnagel, Peter Nürnberg, Snezana Maljevic, Federico Zara, Patrick Cossette, Roland Krause, Holger Lerche, Edoardo Ferlazzo, Carlo di Bonaventura, Angela La Neve, Paolo Tinuper, Francesca Bisulli, Aglaia Vignoli, Giuseppe Capovilla, Giovanni Crichiutti, Antonio Gambardella, Vincenzo Belcastro, Amedeo Bianchi, Destina Yalçın, Gulsen Dizdarer, Kezban Arslan, Zuhal Yapıcı, Demet Kuşcu, Costin Leu, Kristin Heggeli, Joseph Willis, Sarah R Langley, Andrea Jorgensen, Prashant Srivastava, Sarah Rau, Christian Hengsbach, Anja C.M. Sonsma, Université Côte d'Azur, CNRS, UMR 7275, Institut de Pharmacologie Moléculaire et Cellulaire, Sophia Antipolis, Erasmus University Medical Center [Rotterdam] (Erasmus MC), Laboratory of Molecular Genetics of Stem Cells [University of Montreal], University of Montreal-Institut de Recherche en Immunologie et en Cancérologie [UdeM-Montréal] (IRIC), Université de Montréal (UdeM)-Université de Montréal (UdeM), University of Tübingen, University Medical Center [Utrecht], Universita degli studi di Genova, Centre de Recherche de l'Institut du Cerveau et de la Moelle épinière (CRICM), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), A.Meyer Children's Hospital, Max Planck Institute for Plant Breeding Research (MPIPZ), Génomique métabolique (UMR 8030), Genoscope - Centre national de séquençage [Evry] (GENOSCOPE), Université Paris-Saclay-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université d'Évry-Val-d'Essonne (UEVE)-Centre National de la Recherche Scientifique (CNRS), University of Cologne, The Genome Analysis Centre (TGAC), Cologne Center for Genomics, Institut de pharmacologie moléculaire et cellulaire (IPMC), Université Nice Sophia Antipolis (1965 - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Centre National de la Recherche Scientifique (CNRS), Ingénierie des protéines (IP), Université de la Méditerranée - Aix-Marseille 2-Centre National de la Recherche Scientifique (CNRS), Department of Neurophysiopathology, Besta Neurological Institute, University of Southern Denmark (SDU), Medical Genetics Laboratory, Children’s Hospital of Philadelphia (CHOP ), Universitätsklinikum Bonn (UKB), Antwerp University Hospital [Edegem] (UZA), University of Antwerp (UA), Department of Clinical and Experimental Epilepsy, University College of London [London] (UCL), Département de Neuropédiatrie, CHU Necker - Enfants Malades [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Instituco Neurologico C. Besta, Instituto Neurologico C. Besta, Medical Genetics and Pediatric Cardiology, IRCCS Ospedale Pediatrico Bambino Gesù [Roma], Département de mathématiques [Sherbrooke] (UdeS), Faculté des sciences [Sherbrooke] (UdeS), Université de Sherbrooke (UdeS)-Université de Sherbrooke (UdeS), University of Liverpool, Institute of Neurology [London], Royal College of Surgeons in Ireland (RCSI), Neurology Division, Beaumont Hospital, Dublin 9, Ireland, Beaumont Hospital, Hôpital Erasme [Bruxelles] (ULB), Faculté de Médecine [Bruxelles] (ULB), Université libre de Bruxelles (ULB)-Université libre de Bruxelles (ULB), Medizinische Universität Wien = Medical University of Vienna, Department of Epilepsy Clinic and Experimental Neurophysiology, Fondazione IRCCS Istituto Neurologico 'Carlo Besta', Broad Institute of MIT and Harvard (BROAD INSTITUTE), Harvard Medical School [Boston] (HMS)-Massachusetts Institute of Technology (MIT)-Massachusetts General Hospital [Boston], Department of Medical and Clinical Genetics [Helsinki], Haartman Institute [Helsinki], Faculty of Medecine [Helsinki], Helsingin yliopisto = Helsingfors universitet = University of Helsinki-Helsingin yliopisto = Helsingfors universitet = University of Helsinki-Faculty of Medecine [Helsinki], Helsingin yliopisto = Helsingfors universitet = University of Helsinki-Helsingin yliopisto = Helsingfors universitet = University of Helsinki, Institute of Medical Informatics and Statistics, Pediatric Neurology and Neuromuscular Diseases Unit, Centre Hospitalier de l'Université de Montréal (CHUM), Université de Montréal (UdeM), Hertie Institute for Clinical Brain Research [Tubingen], Regional Epilepsy Center, Reggio Calabria, Agronomes et Vétérinaires Sans Frontières (AVSF), AVSF, NIHR Biomedical Research Centre [London], Guy's and St Thomas' NHS Foundation Trust-King‘s College London, Wellcome Trust, Commission of the European Communities, Imperial College Healthcare NHS Trust- BRC Funding, Internal Medicine, Epidemiology, Luxembourg Centre For Systems Biomedicine (LCSB), University of Luxembourg [Luxembourg], Università degli studi di Genova = University of Genoa (UniGe), Heart Center Leipzig, University Medical Center of Schleswig–Holstein = Universitätsklinikum Schleswig-Holstein (UKSH), Kiel University, Acibadem University Dspace, Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS)-Université d'Évry-Val-d'Essonne (UEVE), Université Nice Sophia Antipolis (... - 2019) (UNS), University of Helsinki-University of Helsinki-Faculty of Medecine [Helsinki], University of Helsinki-University of Helsinki, Centre of Excellence in Complex Disease Genetics, Aarno Palotie / Principal Investigator, Institute for Molecular Medicine Finland, Medicum, Research Programme for Molecular Neurology, Research Programs Unit, Neuroscience Center, University of Helsinki, Genomics of Neurological and Neuropsychiatric Disorders, Epicure Consortium, EuroEPINOMICS COGIE Consortium, EpiPGX Consortium, May, Gabriella, Girard, S., Harrer, M., Bobbili, D. R., Schubert, J., Wolking, S., Becker, F., Lachance-Touchette, P., Meloche, C., Gravel, M., Niturad, C. E., Knaus, J., De Kovel, C., Toliat, M., Polvi, A., Iacomino, M., Guerrero-López, R., Baulac, S., Marini, C., Thiele, H., Altmüller, J., Jabbari, K., Ruppert, A. -K., Jurkowski, W., Lal, D., Rusconi, R., Cestèle, S., Terragni, B., Coombs, I. D., Reid, C. A., Striano, P., Caglayan, H., Siren, A., Everett, K., Møller, R. S., Hjalgrim, H., Muhle, H., Helbig, I., Kunz, W. S., Weber, Y. G., Weckhuysen, S., Jonghe, P. D., Sisodiya, S. M., Nabbout, R., Franceschetti, S., Coppola, A., Vari, M. S., Kasteleijn-Nolst Trenité, D., Baykan, B., Ozbek, U., Bebek, N., Klein, K. M., Rosenow, F., Nguyen, D. K., Dubeau, F., Carmant, L., Lortie, A., Desbiens, R., Clément, J. -F., Cieuta-Walti, C., Sills, G. J., Auce, P., Francis, B., Johnson, M. R., Marson, A. G., Berghuis, B., Sander, J. W., Avbersek, A., Mccormack, M., Cavalleri, G. L., Delanty, N., Depondt, C., Krenn, M., Zimprich, F., Peter, S., Nikanorova, M., Kraaij, R., van Rooij, J., Balling, R., Ikram, M. A., Uitterlinden, A. G., Avanzini, Giulio, Schorge, S., Petrou, S., Mantegazza, M., Sander, T., Leguern, E., Serratosa, J. M., Koeleman, B. P. C., Palotie, A., Lehesjoki, A. -E., Nothnagel, M., Nürnberg, P., Maljevic, S., Zara, F., Cossette, P., Krause, R., Lerche, H., De Jonghe, P., Arfan Ikram, M., Ferlazzo, E., di Bonaventura, C., La Neve, A., Tinuper, P., Bisulli, F., Vignoli, Massimo, Capovilla, G., Crichiutti, G., Gambardella, A., Belcastro, V., Bianchi, A., Yalçın, D., Dizdarer, G., Arslan, K., Yapıcı, Z., Kuşcu, D., Leu, C., Heggeli, K., Willis, J., Langley, S. R., Jorgensen, A., Srivastava, P., Rau, S., Hengsbach, C., Sonsma, A. C. M., University of Montreal-Institute for Research in Immunology and Cancer (IRIC), Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Pierre et Marie Curie - Paris 6 (UPMC), Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Université d'Évry-Val-d'Essonne (UEVE), Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), Département de Mathématiques, Université de Sherbrooke, Université de Sherbrooke [Sherbrooke], Hôpital Erasme (Bruxelles), May, Patrick, Girard, Simon, Harrer, Merle, Bobbili, Dheeraj R, Schubert, Julian, Wolking, Stefan, Becker, Felicita, Lachance-Touchette, Pamela, Meloche, Caroline, Gravel, Micheline, Niturad, Cristina E, Knaus, Julia, De Kovel, Carolien, Toliat, Mohamad, Polvi, Anne, Iacomino, Michele, Guerrero-López, Rosa, Baulac, Stéphanie, Marini, Carla, Thiele, Holger, Altmüller, Janine, Jabbari, Kamel, Ruppert, Ann-Kathrin, Jurkowski, Wiktor, Lal, Denni, Rusconi, Raffaella, Cestèle, Sandrine, Terragni, Benedetta, Coombs, Ian D, Reid, Christopher A, Striano, Pasquale, Caglayan, Hande, Siren, Auli, Everett, Kate, Møller, Rikke S, Hjalgrim, Helle, Muhle, Hiltrud, Helbig, Ingo, Kunz, Wolfram S, Weber, Yvonne G, Weckhuysen, Sarah, Jonghe, Peter De, Sisodiya, Sanjay M, Nabbout, Rima, Franceschetti, Silvana, Coppola, Antonietta, Vari, Maria S, Kasteleijn-Nolst Trenité, Dorothée, Baykan, Betul, Ozbek, Ugur, Bebek, Nerse, Klein, Karl M, Rosenow, Felix, Nguyen, Dang K, Dubeau, Françoi, Carmant, Lionel, Lortie, Anne, Desbiens, Richard, Clément, Jean-Françoi, Cieuta-Walti, Cécile, Sills, Graeme J, Auce, Paul, Francis, Ben, Johnson, Michael R, Marson, Anthony G, Berghuis, Bianca, Sander, Josemir W, Avbersek, Andreja, McCormack, Mark, Cavalleri, Gianpiero L., Delanty, Norman, Depondt, Chantal, Krenn, Martin, Zimprich, Fritz, Peter, Sarah, Nikanorova, Marina, Kraaij, Robert, van Rooij, Jeroen, Balling, Rudi, Ikram, M Arfan, Uitterlinden, André G, Avanzini, Giuliano, Schorge, Stephanie, Petrou, Steven, Mantegazza, Massimo, Sander, Thoma, LeGuern, Eric, Serratosa, Jose M, Koeleman, Bobby P C, Palotie, Aarno, Lehesjoki, Anna-Elina, Nothnagel, Michael, Nürnberg, Peter, Maljevic, Snezana, Zara, Federico, Cossette, Patrick, Krause, Roland, Lerche, Holger, De Jonghe, Peter, Ferlazzo, Edoardo, di Bonaventura, Carlo, La Neve, Angela, Tinuper, Paolo, Bisulli, Francesca, Vignoli, Aglaia, Capovilla, Giuseppe, Crichiutti, Giovanni, Gambardella, Antonio, Belcastro, Vincenzo, Bianchi, Amedeo, Yalçın, Destina, Dizdarer, Gulsen, Arslan, Kezban, Yapıcı, Zuhal, Kuşcu, Demet, Leu, Costin, Heggeli, Kristin, Willis, Joseph, Langley, Sarah R, Jorgensen, Andrea, Srivastava, Prashant, Rau, Sarah, Hengsbach, Christian, and Sonsma, Anja C.M.

Subjects
0301 basic medicine, GAMMA-2-SUBUNIT, [SDV]Life Sciences [q-bio], GABRA5, Clinical Neurology, 15Q13.3 MICRODELETIONS, ABSENCE EPILEPSY, SEQUENCE DATA, [SDV.BC]Life Sciences [q-bio]/Cellular Biology, 3124 Neurology and psychiatry, 03 medical and health sciences, Epilepsy, 0302 clinical medicine, Genetic variation, medicine, EPILEPTIC ENCEPHALOPATHIES, Exome, Exome sequencing, ComputingMilieux_MISCELLANEOUS, Genetic association, Genetics, RISK, Science & Technology, FEBRILE SEIZURES, Neurology & Neurosurgery, biology, 3112 Neurosciences, 1103 Clinical Sciences, MOUSE MODEL, medicine.disease, ASSOCIATION ANALYSIS, 030104 developmental biology, DE-NOVO MUTATIONS, Cohort, biology.protein, Neurology (clinical), Human medicine, Neurosciences & Neurology, 1109 Neurosciences, Life Sciences & Biomedicine, 030217 neurology & neurosurgery, Cohort study
Abstract

BACKGROUND: Genetic generalised epilepsy is the most common type of inherited epilepsy. Despite a high concordance rate of 80% in monozygotic twins, the genetic background is still poorly understood. We aimed to investigate the burden of rare genetic variants in genetic generalised epilepsy.METHODS: For this exome-based case-control study, we used three different genetic generalised epilepsy case cohorts and three independent control cohorts, all of European descent. Cases included in the study were clinically evaluated for genetic generalised epilepsy. Whole-exome sequencing was done for the discovery case cohort, a validation case cohort, and two independent control cohorts. The replication case cohort underwent targeted next-generation sequencing of the 19 known genes encoding subunits of GABAA receptors and was compared to the respective GABAA receptor variants of a third independent control cohort. Functional investigations were done with automated two-microelectrode voltage clamping in Xenopus laevis oocytes.FINDINGS: Statistical comparison of 152 familial index cases with genetic generalised epilepsy in the discovery cohort to 549 ethnically matched controls suggested an enrichment of rare missense (Nonsyn) variants in the ensemble of 19 genes encoding GABAA receptors in cases (odds ratio [OR] 2·40 [95% CI 1·41-4·10]; pNonsyn=0·0014, adjusted pNonsyn=0·019). Enrichment for these genes was validated in a whole-exome sequencing cohort of 357 sporadic and familial genetic generalised epilepsy cases and 1485 independent controls (OR 1·46 [95% CI 1·05-2·03]; pNonsyn=0·0081, adjusted pNonsyn=0·016). Comparison of genes encoding GABAA receptors in the independent replication cohort of 583 familial and sporadic genetic generalised epilepsy index cases, based on candidate-gene panel sequencing, with a third independent control cohort of 635 controls confirmed the overall enrichment of rare missense variants for 15 GABAA receptor genes in cases compared with controls (OR 1·46 [95% CI 1·02-2·08]; pNonsyn=0·013, adjusted pNonsyn=0·027). Functional studies for two selected genes (GABRB2 and GABRA5) showed significant loss-of-function effects with reduced current amplitudes in four of seven tested variants compared with wild-type receptors.INTERPRETATION: Functionally relevant variants in genes encoding GABAA receptor subunits constitute a significant risk factor for genetic generalised epilepsy. Examination of the role of specific gene groups and pathways can disentangle the complex genetic architecture of genetic generalised epilepsy.FUNDING: EuroEPINOMICS (European Science Foundation through national funding organisations), Epicure and EpiPGX (Sixth Framework Programme and Seventh Framework Programme of the European Commission), Research Unit FOR2715 (German Research Foundation and Luxembourg National Research Fund).

Published
2018

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