: Epilepsy is a highly heritable disorder affecting over 50 million people worldwide, of which about one-third are resistant to current treatments. Here we report a multi-ancestry genome-wide association study including 29,944 cases, stratified into three broad categories and seven subtypes of epilepsy, and 52,538 controls. We identify 26 genome-wide significant loci, 19 of which are specific to genetic generalized epilepsy (GGE). We implicate 29 likely causal genes underlying these 26 loci. SNP-based heritability analyses show that common variants explain between 39.6% and 90% of genetic risk for GGE and its subtypes. Subtype analysis revealed markedly different genetic architectures between focal and generalized epilepsies. Gene-set analyses of GGE signals implicate synaptic processes in both excitatory and inhibitory neurons in the brain. Prioritized candidate genes overlap with monogenic epilepsy genes and with targets of current antiseizure medications. Finally, we leverage our results to identify alternate drugs with predicted efficacy if repurposed for epilepsy treatment.
GWAS meta-analysis of over 29,000 people with epilepsy identifies 26 risk loci and subtype-specific genetic architecture / Stevelink, Remi; Campbell, Ciarán; Chen, Siwei; Abou-Khalil, Bassel; Adesoji, Oluyomi M.; Afawi, Zaid; Amadori, Elisabetta; Anderson, Alison; Anderson, Joseph; Andrade, Danielle M.; Annesi, Grazia; Auce, Pauls; Avbersek, Andreja; Bahlo, Melanie; Baker, Mark D.; Balagura, Ganna; Balestrini, Simona; Barba, Carmen; Barboza, Karen; Bartolomei, Fabrice; Bast, Thomas; Baum, Larry; Baumgartner, Tobias; Baykan, Betül; Bebek, Nerses; Becker, Albert J.; Becker, Felicitas; Bennett, Caitlin A.; Berghuis, Bianca; Berkovic, Samuel F.; Beydoun, Ahmad; Bianchini, Claudia; Bisulli, Francesca; Blatt, Ilan; Bobbili, Dheeraj R.; Borggraefe, Ingo; Bosselmann, Christian; Braatz, Vera; Bradfield, Jonathan P.; Brockmann, Knut; Brody, Lawrence C.; Buono, Russell J.; Busch, Robyn M.; Caglayan, Hande; Campbell, Ellen; Canafoglia, Laura; Canavati, Christina; Cascino, Gregory D.; Castellotti, Barbara; Catarino, Claudia B.; Cavalleri, Gianpiero L.; Cerrato, Felecia; Chassoux, Francine; Cherny, Stacey S.; Cheung, Ching-Lung; Chinthapalli, Krishna; Chou, I-Jun; Chung, Seo-Kyung; Churchhouse, Claire; Clark, Peggy O.; Cole, Andrew J.; Compston, Alastair; Coppola, Antonietta; Cosico, Mahgenn; Cossette, Patrick; Craig, John J.; Cusick, Caroline; Daly, Mark J.; Davis, Lea K.; de Haan, Gerrit-Jan; Delanty, Norman; Depondt, Chantal; Derambure, Philippe; Devinsky, Orrin; Di Vito, Lidia; Dlugos, Dennis J.; Doccini, Viola; Doherty, Colin P.; El-Naggar, Hany; Elger, Christian E.; Ellis, Colin A.; Eriksson, Johan G.; Faucon, Annika; Feng, Yen-Chen A.; Ferguson, Lisa; Ferraro, Thomas N.; Ferri, Lorenzo; Feucht, Martha; Fitzgerald, Mark; Fonferko-Shadrach, Beata; Fortunato, Francesco; Franceschetti, Silvana; Franke, Andre; French, Jacqueline A.; Freri, Elena; Gagliardi, Monica; Gambardella, Antonio; Geller, Eric B.; Giangregorio, Tania; Gjerstad, Leif; Glauser, Tracy; Goldberg, Ethan; Goldman, Alicia; Granata, Tiziana; Greenberg, David A.; Guerrini, Renzo; Gupta, Namrata; Haas, Kevin F.; Hakonarson, Hakon; Hallmann, Kerstin; Hassanin, Emadeldin; Hegde, Manu; Heinzen, Erin L.; Helbig, Ingo; Hengsbach, Christian; Heyne, Henrike O.; Hirose, Shinichi; Hirsch, Edouard; Hjalgrim, Helle; Howrigan, Daniel P.; Hucks, Donald; Hung, Po-Cheng; Iacomino, Michele; Imbach, Lukas L.; Inoue, Yushi; Ishii, Atsushi; Jamnadas-Khoda, Jennifer; Jehi, Lara; Johnson, Michael R.; Kälviäinen, Reetta; Kamatani, Yoichiro; Kanaan, Moien; Kanai, Masahiro; Kantanen, Anne-Mari; Kara, Bülent; Kariuki, Symon M.; Kasperavičiūte, Dalia; Kasteleijn-Nolst Trenite, Dorothee; Kato, Mitsuhiro; Kegele, Josua; Kesim, Yeşim; Khoueiry-Zgheib, Nathalie; King, Chontelle; Kirsch, Heidi E.; Klein, Karl M.; Kluger, Gerhard; Knake, Susanne; Knowlton, Robert C.; Koeleman, Bobby P. C.; Korczyn, Amos D.; Koupparis, Andreas; Kousiappa, Ioanna; Krause, Roland; Krenn, Martin; Krestel, Heinz; Krey, Ilona; Kunz, Wolfram S.; Kurki, Mitja I.; Kurlemann, Gerhard; Kuzniecky, Ruben; Kwan, Patrick; Labate, Angelo; Lacey, Austin; Lal, Dennis; Landoulsi, Zied; Lau, Yu-Lung; Lauxmann, Stephen; Leech, Stephanie L.; Lehesjoki, Anna-Elina; Lemke, Johannes R.; Lerche, Holger; Lesca, Gaetan; Leu, Costin; Lewin, Naomi; Lewis-Smith, David; Li, Gloria H.-Y.; Li, Qingqin S.; Licchetta, Laura; Lin, Kuang-Lin; Lindhout, Dick; Linnankivi, Tarja; Lopes-Cendes, Iscia; Lowenstein, Daniel H.; Lui, Colin H. T.; Madia, Francesca; Magnusson, Sigurdur; Marson, Anthony G.; May, Patrick; McGraw, Christopher M.; Mei, Davide; Mills, James L.; Minardi, Raffaella; Mirza, Nasir; Møller, Rikke S.; Molloy, Anne M.; Montomoli, Martino; Mostacci, Barbara; Muccioli, Lorenzo; Muhle, Hiltrud; Müller-Schlüter, Karen; Najm, Imad M.; Nasreddine, Wassim; Neale, Benjamin M.; Neubauer, Bernd; Newton, Charles R. J. C.; Nöthen, Markus M.; Nothnagel, Michael; Nürnberg, Peter; O’Brien, Terence J.; Okada, Yukinori; Ólafsson, Elías; Oliver, Karen L.; Özkara, Çiğdem; Palotie, Aarno; Pangilinan, Faith; Papacostas, Savvas S.; Parrini, Elena; Pato, Carlos N.; Pato, Michele T.; Pendziwiat, Manuela; Petrovski, Slavé; Pickrell, William O.; Pinsky, Rebecca; Pippucci, Tommaso; Poduri, Annapurna; Pondrelli, Federica; Powell, Rob H. W.; Privitera, Michael; Rademacher, Annika; Radtke, Rodney; Ragona, Francesca; Rau, Sarah; Rees, Mark I.; Regan, Brigid M.; Reif, Philipp S.; Rhelms, Sylvain; Riva, Antonella; Rosenow, Felix; Ryvlin, Philippe; Saarela, Anni; Sadleir, Lynette G.; Sander, Josemir W.; Sander, Thomas; Scala, Marcello; Scattergood, Theresa; Schachter, Steven C.; Schankin, Christoph J.; Scheffer, Ingrid E.; Schmitz, Bettina; Schoch, Susanne; Schubert-Bast, Susanne; Schulze-Bonhage, Andreas; Scudieri, Paolo; Sham, Pak; Sheidley, Beth R.; Shih, Jerry J.; Sills, Graeme J.; Sisodiya, Sanjay M.; Smith, Michael C.; Smith, Philip E.; Sonsma, Anja C. M.; Speed, Doug; Sperling, Michael R.; Stefansson, Hreinn; Stefansson, Kári; Steinhoff, Bernhard J.; Stephani, Ulrich; Stewart, William C.; Stipa, Carlotta; Striano, Pasquale; Stroink, Hans; Strzelczyk, Adam; Surges, Rainer; Suzuki, Toshimitsu; Tan, K. Meng; Taneja, R. S.; Tanteles, George A.; Taubøll, Erik; Thio, Liu Lin; Thomas, G. Neil; Thomas, Rhys H.; Timonen, Oskari; Tinuper, Paolo; Todaro, Marian; Topaloğlu, Pınar; Tozzi, Rossana; Tsai, Meng-Han; Tumiene, Birute; Turkdogan, Dilsad; Unnsteinsdóttir, Unnur; Utkus, Algirdas; Vaidiswaran, Priya; Valton, Luc; van Baalen, Andreas; Vetro, Annalisa; Vining, Eileen P. G.; Visscher, Frank; von Brauchitsch, Sophie; von Wrede, Randi; Wagner, Ryan G.; Weber, Yvonne G.; Weckhuysen, Sarah; Weisenberg, Judith; Weller, Michael; Widdess-Walsh, Peter; Wolff, Markus; Wolking, Stefan; Wu, David; Yamakawa, Kazuhiro; Yang, Wanling; Yapıcı, Zuhal; Yücesan, Emrah; Zagaglia, Sara; Zahnert, Felix; Zara, Federico; Zhou, Wei; Zimprich, Fritz; Zsurka, Gábor; Zulfiqar Ali, Quratulain. - In: NATURE GENETICS. - ISSN 1061-4036. - ELETTRONICO. - -:(2023), pp. -.0--.0. [10.1038/s41588-023-01485-w]
GWAS meta-analysis of over 29,000 people with epilepsy identifies 26 risk loci and subtype-specific genetic architecture
Balestrini, SimonaMembro del Collaboration Group
;Barba, CarmenMembro del Collaboration Group
;Guerrini, RenzoMembro del Collaboration Group
;
2023
Abstract
: Epilepsy is a highly heritable disorder affecting over 50 million people worldwide, of which about one-third are resistant to current treatments. Here we report a multi-ancestry genome-wide association study including 29,944 cases, stratified into three broad categories and seven subtypes of epilepsy, and 52,538 controls. We identify 26 genome-wide significant loci, 19 of which are specific to genetic generalized epilepsy (GGE). We implicate 29 likely causal genes underlying these 26 loci. SNP-based heritability analyses show that common variants explain between 39.6% and 90% of genetic risk for GGE and its subtypes. Subtype analysis revealed markedly different genetic architectures between focal and generalized epilepsies. Gene-set analyses of GGE signals implicate synaptic processes in both excitatory and inhibitory neurons in the brain. Prioritized candidate genes overlap with monogenic epilepsy genes and with targets of current antiseizure medications. Finally, we leverage our results to identify alternate drugs with predicted efficacy if repurposed for epilepsy treatment.
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