Because hyper-excitability has been shown to be a shared pathophysiological mechanism, we used the latest and largest genome-wide studies in amyotrophic lateral sclerosis (n = 36,052) and epilepsy (n = 38,349) to determine genetic overlap between these conditions. First, we showed no significant genetic correlation, also when binned on minor allele frequency. Second, we confirmed the absence of polygenic overlap using genomic risk score analysis. Finally, we did not identify pleiotropic variants in meta-analyses of the 2 diseases. Our findings indicate that amyotrophic lateral sclerosis and epilepsy do not share common genetic risk, showing that hyper-excitability in both disorders has distinct origins. [On behalf of the Project MinE ALS GWAS Consortium International League Against Epilepsy Consortium on Complex Epilepsies]

Analysis of shared common genetic risk between amyotrophic lateral sclerosis and epilepsy / D. Schijven, R. Stevelink, M. Mccormack, W. Van Rheenen, J. J Luykx, B.P. C Koeleman, J. H Veldink, A. Shatunov, R.L. Mclaughlin, R.A.A. Van Der Spek, A. Iacoangeli, K.P. Kenna, K.R. Van Eijk, N. Ticozzi, B. Rogelj, K. Vrabec, M. Ravnik-Glavač, B. Koritnik, J. Zidar, L. Leonardis, L. Dolenc Grošelj, S. Millecamps, F. Salachas, V. Meininger, M. De Carvalho, S. Pinto, M. Gromicho, A. Pronto-Laborinho, J.S. Mora, R. Rojas-García, M. Polak, S. Chandran, S. Colville, R. Swingler, K.E. Morrison, P.J. Shaw, J. Hardy, R.W. Orrell, A. Pittman, K. Sidle, P. Fratta, A. Malaspina, S. Topp, S. Petri, S. Abdulla, C. Drepper, M. Sendtner, T. Meyer, R.A. Ophoff, K.A. Staats, M. Wiedau-Pazos, C. Lomen-Hoerth, V.M. Van Deerlin, J.Q. Trojanowski, L. Elman, L. Mccluskey, A. Nazli Basak, T. Meitinger, P. Lichtner, M. Blagojevic-Radivojkov, C.R. Andres, G. Bensimon, B. Landwehrmeyer, A. Brice, C.A.M. Payan, S. Saker-Delye, A. Dürr, N.W. Wood, L. Tittmann, W. Lieb, A. Franke, M. Rietschel, S. Cichon, M.M. Nöthen, P. Amouyel, C. Tzourio, J. Dartigues, A.G. Uitterlinden, F. Rivadeneira, K. Estrada, A. Hofman, C. Curtis, A.J. Van Der Kooi, M. Weber, C.E. Shaw, B.N. Smith, D. Sproviero, C. Cereda, M. Ceroni, L. Diamanti, R. Del Bo, S. Corti, G.P. Comi, S. D'Alfonso, L. Corrado, C. Bertolin, G. Sorarù, L. Mazzini, V. Pensato, C. Gellera, C. Tiloca, A. Ratti, A. Calvo, C. Moglia, M. Brunetti, S. Arcuti, R. Capozzo, C. Zecca, C. Lunetta, S. Penco, N. Riva, A. Padovani, M. Filosto, I. Blair, G.A. Nicholson, D.B. Rowe, R. Pamphlett, M.C. Kiernan, J. Grosskreutz, O.W. Witte, R. Steinbach, T. Prell, B. Stubendorff, I. Kurth, C.A. Hübner, P. Nigel Leigh, F. Casale, A. Chio, E. Beghi, E. Pupillo, R. Tortelli, G. Logroscino, J. Powell, A.C. Ludolph, J.H. Weishaupt, W. Robberecht, P. Van Damme, R.H. Brown, J.D. Glass, J.E. Landers, O. Hardiman, P.M. Andersen, P. Corcia, P. Vourc'H, V. 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Analysis of shared common genetic risk between amyotrophic lateral sclerosis and epilepsy

N. Ticozzi
Membro del Collaboration Group
;
P. Fratta
Membro del Collaboration Group
;
C. Cereda
Membro del Collaboration Group
;
R. Del Bo
Membro del Collaboration Group
;
S. Corti
Membro del Collaboration Group
;
G.P. Comi
Membro del Collaboration Group
;
L. Corrado
Membro del Collaboration Group
;
C. Bertolin
Membro del Collaboration Group
;
V. Pensato
Membro del Collaboration Group
;
C. Tiloca
Membro del Collaboration Group
;
A. Ratti
Membro del Collaboration Group
;
C. Zecca
Membro del Collaboration Group
;
D. Calini
Membro del Collaboration Group
;
V. Silani
Membro del Collaboration Group
;
B. Castellotti
Membro del Collaboration Group
;
E. Bersano
Membro del Collaboration Group
;
2020

Abstract

Because hyper-excitability has been shown to be a shared pathophysiological mechanism, we used the latest and largest genome-wide studies in amyotrophic lateral sclerosis (n = 36,052) and epilepsy (n = 38,349) to determine genetic overlap between these conditions. First, we showed no significant genetic correlation, also when binned on minor allele frequency. Second, we confirmed the absence of polygenic overlap using genomic risk score analysis. Finally, we did not identify pleiotropic variants in meta-analyses of the 2 diseases. Our findings indicate that amyotrophic lateral sclerosis and epilepsy do not share common genetic risk, showing that hyper-excitability in both disorders has distinct origins. [On behalf of the Project MinE ALS GWAS Consortium International League Against Epilepsy Consortium on Complex Epilepsies]
ALS; Epilepsy; Genetic correlation;
Settore BIOS-14/A - Genetica
ago-2020
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