ATXN1 repeat expansions confer risk for amyotrophic lateral sclerosis and contribute to TDP-43 mislocalization

Autor: Tazelaar, Gijs, Boeynaems, Steven, De Decker, Mathias, van Vugt, Joke, Kool, Lindy, Goedee, H Stephan, Mclaughlin, Russell, Sproviero, William, Iacoangeli, Alfredo, Moisse, Matthieu, Jacquemyn, Maarten, Daelemans, Dirk, Dekker, Annelot, van der Spek, Rick, Westeneng, Henk-Jan, Kenna, Kevin, Assialioui, Abdelilah, Da Silva, Nica, Millecamps, Stéphanie, Akçimen, Fulya, Al Khleifat, Ahmad, Al-Chalabi, Ammar, Andersen, Peter, Basak, A Nazli, Bauer, Denis, Blair, Ian, Brands, William, Byrne, Ross, Calvo, Andrea, Gonzalez, Yolanda Campos, Chio, Adriano, Cooper-Knock, Jonothan, Corcia, Philippe, Couratier, Philippe, De Carvalho, Mamede, Drory, Vivian, Eitan, Chen, Redondo, Alberto Garcia, Gellera, Cinzia, Glass, Jonathan, Gotkine, Marc, Hardiman, Orla, Hornstein, Eran, Kenna, Brandon, Kiernan, Matthew, Kocoglu, Cemile, Kooyman, Maarten, Landers, John, Alonso, Victoria López, Middelkoop, Bas, Mill, Jonathan, Mitne-Neto, Miguel, Mora Pardina, Jesus, Morrison, Karen, Pinto, Susana, Gromicho, Marta, Panadés, Monica Povedano, Pulit, Sara, Ratti, Antonia, Robberecht, Wim, Schellevis, Raymond, Shatunov, Aleksey, Shaw, Christopher, Shaw, Pamela, Silani, Vincenzo, Staiger, Christine, Ticozzi, Nicola, Tunca, Ceren, Twine, Nathalie, Van Damme, Philip, van den Berg, Leonard, van Doormaal, Perry, van Eijk, Kristel, van Es, Michael, van Rheenen, Wouter, Veldink, Jan, Visscher, Peter, Vourc’h, Patrick, Weber, Markus, Williams, Kelly, Wray, Naomi, Yang, Jian, Zatz, Mayana, Zhang, Katharine, Povedano, Mónica, Pardina, Jesus, Salachas, François, Pasterkamp, R Jeroen, Van Den Bosch, Ludo
Přispěvatelé: Institut du Cerveau et de la Moëlle Epinière = Brain and Spine Institute (ICM), Institut National de la Santé et de la Recherche Médicale (INSERM)-CHU Pitié-Salpêtrière [AP-HP], Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)
Rok vydání: 2020
Předmět:
Zdroj: Dipòsit Digital de la UB
Universidad de Barcelona
Brain Communications
Brain Communications, Oxford University Press on behalf of the Guarantors of Brain, 2020, 2 (2), ⟨10.1093/braincomms/fcaa064⟩
ISSN: 2632-1297
DOI: 10.1093/braincomms/fcaa064⟩
Popis: Increasingly, repeat expansions are being identified as part of the complex genetic architecture of amyotrophic lateral sclerosis. To date, several repeat expansions have been genetically associated with the disease: intronic repeat expansions in C9orf72, polyglutamine expansions in ATXN2 and polyalanine expansions in NIPA1. Together with previously published data, the identification of an amyotrophic lateral sclerosis patient with a family history of spinocerebellar ataxia type 1, caused by polyglutamine expansions in ATXN1, suggested a similar disease association for the repeat expansion in ATXN1. We, therefore, performed a large-scale international study in 11 700 individuals, in which we showed a significant association between intermediate ATXN1 repeat expansions and amyotrophic lateral sclerosis (P = 3.33 × 10−7). Subsequent functional experiments have shown that ATXN1 reduces the nucleocytoplasmic ratio of TDP-43 and enhances amyotrophic lateral sclerosis phenotypes in Drosophila, further emphasizing the role of polyglutamine repeat expansions in the pathophysiology of amyotrophic lateral sclerosis.
Repeat expansions are being identified as part of the complex genetic architecture of amyotrophic lateral sclerosis. This study shows a significant association between intermediate ATXN1 repeat expansions and amyotrophic lateral sclerosis, possibly via mislocalization of TDP-43, further emphasizing the role of polyglutamine expansions in the pathophysiology of amyotrophic lateral sclerosis.
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Databáze: OpenAIRE
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