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Genome-wide mega-analysis identifies 16 loci and highlights diverse biological mechanisms in the common epilepsies

2018; Nature Portfolio; Volume: 9; Issue: 1 Linguagem: Inglês

10.1038/s41467-018-07524-z

2041-1723

Bassel Abou‐Khalil, Pauls Auce, Andreja Avberšek, Melanie Bahlo, David J. Balding, Thomas Bast, Larry Baum, Albert J. Becker, Felicitas Becker, Bianca Berghuis, Samuel F. Berkovic, Katja Boysen, Jonathan P. Bradfield, Lawrence C. Brody, Russell J. Buono, Ellen Campbell, Gregory D. Cascino, Claudia B. Catarino, Gianpiero L. Cavalleri, Stacey S. Cherny, Krishna Chinthapalli, Alison J. Coffey, Alastair Compston, Antonietta Coppola, Patrick Cossette, John Craig, Gerrit‐Jan de Haan, Peter De Jonghe, Carolien G. F. de Kovel, Norman Delanty, Chantal Depondt, Orrin Devinsky, Dennis Dlugos, Colin P. Doherty, Christian E. Elger, Johan G. Eriksson, Thomas N. Ferraro, Martha Feucht, Ben Francis, André Franke, Jacqueline A. French, Saskia Freytag, Verena Gaus, Eric B. Geller, Christian Gieger, Tracy A. Glauser, Simon Glynn, David B. Goldstein, Hongsheng Gui, Youling Guo, Kevin F. Haas, Hákon Hákonarson, Kerstin Hallmann, Sheryl R. Haut, Erin L. Heinzen, Ingo Helbig, Christian Hengsbach, Helle Hjalgrim, Michele Iacomino, Andrés Ingason, Jennifer Jamnadas-Khoda, Michael R. Johnson, Reetta Kälviäinen, Anne-Mari Kantanen, Dalia Kasperavičiūtė, Dorothée Kasteleijn‐Nolst Trenité, Heidi E. Kirsch, Robert C. Knowlton, Bobby P.C. Koeleman, Roland Krause, Martin Krenn, Wolfram S. Kunz, Ruben Kuzniecky, Patrick Kwan, Dennis Lal, YL Lau, Anna‐Elina Lehesjoki, Holger Lerche, Costin Leu, Wolfgang Lieb, Dick Lindhout, Warren Lo, Íscia Lopes‐Cendes, Daniel H. Lowenstein, Alberto Malovini, Anthony G Marson, Patrick May, Mark McCormack, James L. Mills, Nasir Mirza, Martina Moerzinger, Rikke S. Møller, Anne M. Molloy, Hiltrud Muhle, Mark R. Newton, Ping-Wing Ng, Markus M. Nöthen, Peter Nürnberg, Terence J. O’Brien, Karen Oliver, Aarno Palotie, Faith Pangilinan, Sarah Peter, Slavé Petrovski, Annapurna Poduri, Michael Privitera, Rodney A. Radtke, Sarah Rau, Philipp S. Reif, Eva M. Reinthaler, Felix Rosenow, Josemir W. Sander, Thomas Sander, Theresa Scattergood, Steven C. Schachter, Christoph J. Schankin, Ingrid E. Scheffer, Bettina Schmitz, Susanne Schoch, Pak C. Sham, Jerry J. Shih, Graeme J. Sills, Sanjay M. Sisodiya, Lisa Slattery, Alexander C.W. Smith, David F. Smith, Michael C. Smith, Phil E M Smith, Anja C. M. Sonsma, Doug Speed, Michael R. Sperling, Bernhard J. Steinhoff, Ulrich Stephani, Remi Stevelink, Konstantin Strauch, Pasquale Striano, Hans Stroink, Rainer Surges, K. Meng Tan, Liu Lin Thio, G. Neil Thomas, Marian Todaro, Rossana Tozzi, Maria Stella Vari, Eileen P.G. Vining, Frank Visscher, Sarah von Spiczak, Sophie Nicole, Yvonne G. Weber, Zhi Wei, Judith Weisenberg, Christopher D. Whelan, Peter Widdess‐Walsh, Markus Wolff, Stefan Wolking, Wanling Yang, Federico Zara, Fritz Zimprich,

Genomic variations and chromosomal abnormalities

Abstract The epilepsies affect around 65 million people worldwide and have a substantial missing heritability component. We report a genome-wide mega-analysis involving 15,212 individuals with epilepsy and 29,677 controls, which reveals 16 genome-wide significant loci, of which 11 are novel. Using various prioritization criteria, we pinpoint the 21 most likely epilepsy genes at these loci, with the majority in genetic generalized epilepsies. These genes have diverse biological functions, including coding for ion-channel subunits, transcription factors and a vitamin-B6 metabolism enzyme. Converging evidence shows that the common variants associated with epilepsy play a role in epigenetic regulation of gene expression in the brain. The results show an enrichment for monogenic epilepsy genes as well as known targets of antiepileptic drugs. Using SNP-based heritability analyses we disentangle both the unique and overlapping genetic basis to seven different epilepsy subtypes. Together, these findings provide leads for epilepsy therapies based on underlying pathophysiology.