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1. Intermediate Repeat Expansion in the ATXN2 Gene as a Risk Factor in the ALS and FTD Spanish Population

Author

Daniel Borrego-Hernández, Juan Francisco Vázquez-Costa, Raúl Domínguez-Rubio, Laura Expósito-Blázquez, Elena Aller, Ariadna Padró-Miquel, Pilar García-Casanova, María J. Colomina, Cristina Martín-Arriscado, Rosario Osta, Pilar Cordero-Vázquez, Jesús Esteban-Pérez, Mónica Povedano-Panadés, and Alberto García-Redondo

Subjects
amyotrophic lateral sclerosis, ATXN2, risk factor, frontotemporal dementia, mutation, poli-Q expansion, Biology (General), QH301-705.5
Abstract

Intermediate CAG expansions in the gene ataxin-2 (ATXN2) are a known risk factor for ALS, but little is known about their role in FTD risk. Moreover, their contribution to the risk and phenotype of patients might vary in populations with different genetic backgrounds. The aim of this study was to assess the relationship of intermediate CAG expansions in ATXN2 with the risk and phenotype of ALS and FTD in the Spanish population. Repeat-primed PCR was performed in 620 ALS and 137 FTD patients in three referral centers in Spain to determine the exact number of CAG repeats. In our cohort, ≥27 CAG repeats in ATXN2 were associated with a higher risk of developing ALS (odds ratio [OR] = 2.666 [1.471–4.882]; p = 0.0013) but not FTD (odds ratio [OR] = 1.446 [0.558–3.574]; p = 0.44). Moreover, ALS patients with ≥27 CAG repeats in ATXN2 showed a shorter survival rate compared to those with p = 0.005), more frequent limb onset (odds ratio [OR] = 2.34 [1.093–4.936]; p = 0.028) and a family history of ALS (odds ratio [OR] = 2.538 [1.375–4.634]; p = 0.002). Intermediate CAG expansions of ≥27 repeats in ATXN2 are associated with ALS risk but not with FTD in the Spanish population. ALS patients carrying an intermediate expansion in ATXN2 show more frequent limb onset but a worse prognosis than those without expansions. In patients carrying C9orf72 expansions, the intermediate ATXN2 expansion might increase the penetrance and modify the phenotype.

Published
2024
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2. Bethlem myopathy: a series of 16 patients and description of seven new associated mutations

Author

Claudia Rodríguez-López, Diana Cantero Montenegro, Ana Fernández-Marmiesse, Cristina Domínguez-González, Luísa Panadés-de Oliveira, Jesús Esteban Pérez, María Del Mar Marcos Toledano, and Aurelio Hernández Lain

Subjects
Adult, Male, Weakness, Pathology, medicine.medical_specialty, Contracture, Collagen Type VI, Compound heterozygosity, Muscular Dystrophies, Young Adult, 03 medical and health sciences, symbols.namesake, 0302 clinical medicine, Humans, Medicine, 030212 general & internal medicine, Muscle, Skeletal, Myopathy, Creatine Kinase, Genetic Association Studies, Aged, Genes, Dominant, Retrospective Studies, Muscle contracture, Genetic testing, Sanger sequencing, Muscle biopsy, medicine.diagnostic_test, business.industry, Bethlem myopathy, Middle Aged, medicine.disease, Phenotype, Neurology, Mutation, symbols, Female, Neurology (clinical), medicine.symptom, business, 030217 neurology & neurosurgery, Follow-Up Studies
Abstract

Bethlem myopathy represents the milder phenotype of collagen type VI-related myopathies. However, clinical manifestations are highly variable among patients and no phenotype-genotype correlation has been described. We aim to analyse the clinical, pathological and genetic features of a series of patients with Bethlem myopathy, and we describe seven new mutations. A series of 16 patients with the diagnosis of Bethlem myopathy were analyzed retrospectively from their medical records for clinical, creatine kinase (CK), muscle biopsy, and muscle magnetic resonance (MRI) data. Genetic testing was performed through next-generation sequencing of custom amplicon-based targeted genes panel of myopathies. Mutations were confirmed by Sanger sequencing. The most frequent phenotype consisted of proximal limb weakness associated with interphalangeal and wrists contractures. However, cases with isolated contractures or isolated myopathy were found. CK levels did not correlate with severity of the disease. The most frequent mutation was the COL6A3 variant c.7447A>G, p.Lys2486Glu, with either an homozygous or compound heterozygous presentation. Five new mutations were found in COL6A1 gene and other two in COL6A3 gene, all of them with a dominant heritability pattern. From these, a new COL6A1 mutation (c.1657G>A, p.Glu553Arg) was related to an oligosymptomatic phenotype with predominating contractures in the absence of weakness and a normal muscle MRI. Finally, the most common COL6A1 mutation reported to date that leads to an Ullrich phenotype (c. 868G>A, p.Gly290Arg), has been found here as Bethlem presentation. Manifestations of Bethlem myopathy are quite variable, so either contractures or weakness may be lacking, and no phenotype-genotype associations can be brought.

Published
2019
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3. Pathogenic huntingtin repeat expansions in patients with frontotemporal dementia and amyotrophic lateral sclerosis

Author

Ramita Dewan, Ruth Chia, Jinhui Ding, Richard A. Hickman, Thor D. Stein, Yevgeniya Abramzon, Sarah Ahmed, Marya S. Sabir, Makayla K. Portley, Arianna Tucci, Kristina Ibáñez, F.N.U. Shankaracharya, Pamela Keagle, Giacomina Rossi, Paola Caroppo, Fabrizio Tagliavini, Maria L. Waldo, Per M. Johansson, Christer F. Nilsson, James B. Rowe, Luisa Benussi, Giuliano Binetti, Roberta Ghidoni, Edwin Jabbari, Coralie Viollet, Jonathan D. Glass, Andrew B. Singleton, Vincenzo Silani, Owen A. Ross, Mina Ryten, Ali Torkamani, Toshiko Tanaka, Luigi Ferrucci, Susan M. Resnick, Stuart Pickering-Brown, Christopher B. Brady, Neil Kowal, John A. Hardy, Vivianna Van Deerlin, Jean Paul Vonsattel, Matthew B. Harms, Huw R. Morris, Raffaele Ferrari, John E. Landers, Adriano Chiò, J. Raphael Gibbs, Clifton L. Dalgard, Sonja W. Scholz, Bryan J. Traynor, Adelani Adeleye, Camille Alba, Dagmar Bacikova, Daniel N. Hupalo, Elisa McGrath Martinez, Harvey B. Pollard, Gauthaman Sukumar, Anthony R. Soltis, Meila Tuck, Xijun Zhang, Matthew D. Wilkerson, Bradley N. Smith, Nicola Ticozzi, Claudia Fallini, Athina Soragia Gkazi, Simon D. Topp, Jason Kost, Emma L. Scotter, Kevin P. Kenna, Jack W. Miller, Cinzia Tiloca, Caroline Vance, Eric W. Danielson, Claire Troakes, Claudia Colombrita, Safa Al-Sarraj, Elizabeth A. Lewis, Andrew King, Daniela Calini, Viviana Pensato, Barbara Castellotti, Jacqueline de Belleroche, Frank Baas, Anneloor L.M.A. ten Asbroek, Peter C. Sapp, Diane McKenna-Yasek, Russell L. McLaughlin, Meraida Polak, Seneshaw Asress, Jesús Esteban-Pérez, José Luis Muñoz-Blanco, Zorica Stevic, Sandra D’Alfonso, Letizia Mazzini, Giacomo P. Comi, Roberto Del Bo, Mauro Ceroni, Stella Gagliardi, Giorgia Querin, Cinzia Bertolin, Wouter van Rheenen, Frank P. Diekstra, Rosa Rademakers, Marka van Blitterswijk, Kevin B. Boylan, Giuseppe Lauria, Stefano Duga, Stefania Corti, Cristina Cereda, Lucia Corrado, Gianni Sorarù, Kelly L. Williams, Garth A. Nicholson, Ian P. Blair, Claire Leblond-Manry, Guy A. Rouleau, Orla Hardiman, Karen E. Morrison, Jan H. Veldink, Leonard H. van den Berg, Ammar Al-Chalabi, Hardev Pall, Pamela J. Shaw, Martin R. Turner, Kevin Talbot, Franco Taroni, Alberto García-Redondo, Zheyang Wu, Cinzia Gellera, Antonia Ratti, Robert H. Brown, Christopher E. Shaw, John C. Ambrose, Prabhu Arumugam, Emma L. Baple, Marta Bleda, Freya Boardman-Pretty, Jeanne M. Boissiere, Christopher R. Boustred, H. Brittain, Mark J. Caulfield, Georgia C. Chan, Clare E.H. Craig, Louise C. Daugherty, Anna de Burca, Andrew Devereau, Greg Elgar, Rebecca E. Foulger, Tom Fowler, Pedro Furió-Tarí, Joanne M. Hackett, Dina Halai, Angela Hamblin, Shirley Henderson, James E. Holman, Tim J.P. Hubbard, Rob Jackson, Louise J. Jones, Dalia Kasperaviciute, Melis Kayikci, Lea Lahnstein, Kay Lawson, Sarah E.A. Leigh, Ivonne U.S. Leong, Javier F. Lopez, Fiona Maleady-Crowe, Joanne Mason, Ellen M. McDonagh, Loukas Moutsianas, Michael Mueller, Nirupa Murugaesu, Anna C. Need, Chris A. Odhams, Christine Patch, Daniel Perez-Gil, Dimitris Polychronopoulos, John Pullinger, Tahrima Rahim, Augusto Rendon, Pablo Riesgo-Ferreiro, Tim Rogers, Kevin Savage, Kushmita Sawant, Richard H. Scott, Afshan Siddiq, Alexander Sieghart, Damian Smedley, Katherine R. Smith, Alona Sosinsky, William Spooner, Helen E. Stevens, Alexander Stuckey, Razvan Sultana, Ellen R.A. Thomas, Simon R. Thompson, Carolyn Tregidgo, Emma Walsh, Sarah A. Watters, Matthew J. Welland, Eleanor Williams, Katarzyna Witkowska, Suzanne M. Wood, Magdalena Zarowiecki, Sampath Arepalli, Pavan Auluck, Robert H. Baloh, Robert Bowser, Alexis Brice, James Broach, William Camu, John Cooper-Knock, Philippe Corcia, Carsten Drepper, Vivian E. Drory, Travis L. Dunckley, Faraz Faghri, Jennifer Farren, Eva Feldman, Mary Kay Floeter, Pietro Fratta, Glenn Gerhard, Summer B. Gibson, Stephen A. Goutman, Terry D. Heiman-Patterson, Dena G. Hernandez, Ben Hoover, Lilja Jansson, Freya Kamel, Janine Kirby, Neil W. Kowall, Hannu Laaksovirta, Francesco Landi, Isabelle Le Ber, Serge Lumbroso, Daniel JL. MacGowan, Nicholas J. Maragakis, Gabriele Mora, Kevin Mouzat, Liisa Myllykangas, Mike A. Nalls, Richard W. Orrell, Lyle W. Ostrow, Roger Pamphlett, Erik Pioro, Stefan M. Pulst, John M. Ravits, Alan E. Renton, Wim Robberecht, Ian Robey, Ekaterina Rogaeva, Jeffrey D. Rothstein, Michael Sendtner, Katie C. Sidle, Zachary Simmons, David J. Stone, Pentti J. Tienari, John Q. Trojanowski, Juan C. Troncoso, Miko Valori, Philip Van Damme, Ludo Van Den Bosch, Lorne Zinman, Diego Albani, Barbara Borroni, Alessandro Padovani, Amalia Bruni, Jordi Clarimon, Oriol Dols-Icardo, Ignacio Illán-Gala, Alberto Lleó, Adrian Danek, Daniela Galimberti, Elio Scarpini, Maria Serpente, Caroline Graff, Huei-Hsin Chiang, Behzad Khoshnood, Linn Öijerstedt, Christopher M. Morris, Benedetta Nacmias, Sandro Sorbi, Jorgen E. Nielsen, Lynne E. Hjermind, Valeria Novelli, Annibale A. Puca, Pau Pastor, Ignacio Alvarez, Monica Diez-Fairen, Miquel Aguilar, Robert Perneczky, Janine Diehl-Schimd, Mina Rossi, Agustin Ruiz, Mercè Boada, Isabel Hernández, Sonia Moreno-Grau, Johannes C. Schlachetzki, Dag Aarsland, Marilyn S. Albert, Johannes Attems, Matthew J. Barrett, Thomas G. Beach, Lynn M. Bekris, David A. Bennett, Lilah M. Besser, Eileen H. Bigio, Sandra E. Black, Bradley F. Boeve, Ryan C. Bohannan, Francesca Brett, Maura Brunetti, Chad A. Caraway, Jose-Alberto Palma, Andrea Calvo, Antonio Canosa, Dennis Dickson, Charles Duyckaerts, Kelley Faber, Tanis Ferman, Margaret E. Flanagan, Gianluca Floris, Tatiana M. Foroud, Juan Fortea, Ziv Gan-Or, Steve Gentleman, Bernardino Ghetti, Jesse Raphael Gibbs, Alison Goate, David Goldstein, Isabel González-Aramburu, Neill R. Graff-Radford, Angela K. Hodges, Heng-Chen Hu, Daniel Hupalo, Jon Infante, Alex Iranzo, Scott M. Kaiser, Horacio Kaufmann, Julia Keith, Ronald C. Kim, Gregory Klein, Rejko Krüger, Walter Kukull, Amanda Kuzma, Carmen Lage, Suzanne Lesage, James B. Leverenz, Giancarlo Logroscino, Grisel Lopez, Seth Love, Qinwen Mao, Maria Jose Marti, Elisa Martinez-McGrath, Mario Masellis, Eliezer Masliah, Patrick May, Ian McKeith, Marek-Marsel Mesulam, Edwin S. Monuki, Kathy L. Newell, Lucy Norcliffe-Kaufmann, Laura Palmer, Matthew Perkins, Olga Pletnikova, Laura Molina-Porcel, Regina H. Reynolds, Eloy Rodríguez-Rodríguez, Jonathan D. Rohrer, Pascual Sanchez-Juan, Clemens R. Scherzer, Geidy E. Serrano, Vikram Shakkottai, Ellen Sidransky, Nahid Tayebi, Alan J. Thomas, Bension S. Tilley, Ronald L. Walton, Randy Woltjer, Zbigniew K. Wszolek, Georgia Xiromerisiou, Chiara Zecca, Hemali Phatnani, Justin Kwan, Dhruv Sareen, James R. Broach, Ximena Arcila-Londono, Edward B. Lee, Neil A. Shneider, Ernest Fraenkel, Noah Zaitlen, James D. Berry, Andrea Malaspina, Gregory A. Cox, Leslie M. Thompson, Steve Finkbeiner, Efthimios Dardiotis, Timothy M. Miller, Siddharthan Chandran, Suvankar Pal, Eran Hornstein, Daniel J. MacGowan, Terry Heiman-Patterson, Molly G. Hammell, Nikolaos.A. Patsopoulos, Oleg Butovsky, Joshua Dubnau, Avindra Nath, Matt Harms, Eleonora Aronica, Mary Poss, Jennifer Phillips-Cremins, John Crary, Nazem Atassi, Dale J. Lange, Darius J. Adams, Leonidas Stefanis, Marc Gotkine, Suma Babu, Towfique Raj, Sabrina Paganoni, Ophir Shalem, Colin Smith, Bin Zhang, Brent Harris, Iris Broce, Vivian Drory, John Ravits, Corey McMillan, Vilas Menon, Lani Wu, Steven Altschuler, Khaled Amar, Neil Archibald, Oliver Bandmann, Erica Capps, Alistair Church, Jan Coebergh, Alyssa Costantini, Peter Critchley, Boyd CP. Ghosh, Michele T.M. Hu, Christopher Kobylecki, P. Nigel Leigh, Carl Mann, Luke A. Massey, Uma Nath, Nicola Pavese, Dominic Paviour, Jagdish Sharma, Jenny Vaughan, HUS Neurocenter, Neurologian yksikkö, Department of Neurosciences, Clinicum, Pentti Tienari / Principal Investigator, Parkinson's UK, Human Genetics, ARD - Amsterdam Reproduction and Development, ANS - Complex Trait Genetics, Pathology, ANS - Cellular & Molecular Mechanisms, AII - Inflammatory diseases, Universidad de Cantabria, Rowe, James [0000-0001-7216-8679], and Apollo - University of Cambridge Repository

Subjects
0301 basic medicine, Huntington's Disease, Pathology, amyotrophic lateral sclerosis, Huntingtin, Neurology, 1702 Cognitive Sciences, International ALS/FTD Genomics Consortium, Neurodegenerative, frontotemporal dementia, 3124 Neurology and psychiatry, 0302 clinical medicine, Medicine, 2.1 Biological and endogenous factors, Psychology, Amyotrophic lateral sclerosis, Aetiology, Alzheimer's Disease Related Dementias (ADRD), NYGC ALS Consortium, Huntingtin Protein, DNA Repeat Expansion, General Neuroscience, Frontotemporal Dementia (FTD), International FTD Genetics Consortium, whole-genome sequencing, Frontotemporal Dementia, Neurological, Cognitive Sciences, Lewy body dementia, huntingtin, repeat expansions, Amyotrophic Lateral Sclerosis, Humans, Mutation, Whole Genome Sequencing, Frontotemporal dementia, Huntington’s disease, medicine.medical_specialty, congenital, hereditary, and neonatal diseases and abnormalities, FALS Sequencing Consortium, Article, 03 medical and health sciences, Atrophy, Rare Diseases, American Genome Center, Clinical Research, mental disorders, Genetics, Acquired Cognitive Impairment, Dementia, PROSPECT Consortium, Neurology & Neurosurgery, Lewy body, business.industry, International LBD Genomics Consortium, Neurosciences, 3112 Neurosciences, Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD), nutritional and metabolic diseases, medicine.disease, Brain Disorders, nervous system diseases, 030104 developmental biology, Genomics England Research Consortium, 1701 Psychology, ALS, business, 1109 Neurosciences, 030217 neurology & neurosurgery
Abstract

Hannu Laaksovirta konsortion jäsenenä. The Genomics England Research Consortium, The International ALS/FTD Genomics Consortium (iAFGC), The International FTD Genetics Consortium (IFGC), The International LBD Genomics Consortium (iLBDGC), The NYGC ALS Consortium, The PROSPECT Consortium,17 James B. Rowe,17 Luisa Benussi,18 Giuliano Binetti,18,19 Roberta Ghidoni,18 Edwin Jabbari,20,21 Coralie Viollet,22 Jonathan D. Glass,23 Andrew B. Singleton,24 Vincenzo Silani,25,26 Owen A. Ross,27 Mina Ryten,8,28,29 Ali Torkamani,30 Toshiko Tanaka,31 Luigi Ferrucci,31 Susan M. Resnick,32 We examined the role of repeat expansions in the pathogenesis of frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS) by analyzing whole-genome sequence data from 2,442 FTD/ALS patients, 2,599 Lewy body dementia (LBD) patients, and 3,158 neurologically healthy subjects. Pathogenic expansions (range, 40?64 CAG repeats) in the huntingtin (HTT) gene were found in three (0.12%) patients diagnosed with pure FTD/ALS syndromes but were not present in the LBD or healthy cohorts. We replicated our findings in an independent collection of 3,674 FTD/ALS patients. Postmortem evaluations of two patients revealed the classical TDP-43 pathology of FTD/ALS, as well as huntingtin-positive, ubiquitin-positive aggregates in the frontal cortex. The neostriatal atrophy that pathologically defines Huntington?s disease was absent in both cases. Our findings reveal an etiological relationship between HTT repeat expansions and FTD/ALS syndromes and indicate that genetic screening of FTD/ALS patients for HTT repeat expansions should be considered. We examined the role of repeat expansions in the pathogenesis of frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS) by analyzing whole-genome sequence data from 2,442 FTD/ALS patients, 2,599 Lewy body dementia (LBD) patients, and 3,158 neurologically healthy subjects. Pathogenic expansions (range, 40?64 CAG repeats) in the huntingtin (HTT) gene were found in three (0.12%) patients diagnosed with pure FTD/ALS syndromes but were not present in the LBD or healthy cohorts. We replicated our findings in an independent collection of 3,674 FTD/ALS patients. Postmortem evaluations of two patients revealed the classical TDP-43 pathology of FTD/ALS, as well as huntingtin-positive, ubiquitin-positive aggregates in the frontal cortex. The neostriatal atrophy that pathologically defines Huntington?s disease was absent in both cases. Our findings reveal an etiological relationship between HTT repeat expansions and FTD/ALS syndromes and indicate that genetic screening of FTD/ALS patients for HTT repeat expansions should be considered.

Published
2020
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4. Analysis of known amyotrophic lateral sclerosis and frontotemporal dementia genes reveals a substantial genetic burden in patients manifesting both diseases not carrying the

Author

Oriol, Dols-Icardo, Alberto, García-Redondo, Ricardo, Rojas-García, Daniel, Borrego-Hernández, Ignacio, Illán-Gala, José Luís, Muñoz-Blanco, Alberto, Rábano, Laura, Cervera-Carles, Alexandra, Juárez-Rufián, Nino, Spataro, Noemí, De Luna, Lucía, Galán, Elena, Cortes-Vicente, Juan, Fortea, Rafael, Blesa, Oriol, Grau-Rivera, Alberto, Lleó, Jesús, Esteban-Pérez, Ellen, Gelpi, and Jordi, Clarimón

Subjects
Adult, Aged, 80 and over, Male, TATA-Binding Protein Associated Factors, Receptor, ErbB-4, Flavoproteins, Amyotrophic Lateral Sclerosis, Middle Aged, Protein Serine-Threonine Kinases, Phosphoric Monoester Hydrolases, DNA-Binding Proteins, Valosin Containing Protein, Frontotemporal Dementia, Mutation, Sequestosome-1 Protein, Humans, Female, Aged, Retrospective Studies
Abstract

Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) are part of a clinical, pathological and genetic continuum.The purpose of the present study was to assess the mutation burden that is present in patients with concurrent ALS and FTD (ALS/FTD) not carrying the chromosome 9 open reading frame 72 (From an initial group of 973 patients with ALS, we retrospectively selected those patients fulfilling diagnostic criteria of concomitant ALS and FTD lacking the repeat expansion mutation inWe identified 11 patients carrying a probable pathogenic mutation, representing an overall mutation frequency of 20.4%.Our results indicate a high genetic burden underlying the co-occurrence of ALS and FTD and expand the phenotype associated with

Published
2017

5. Mutations in the vesicular trafficking protein annexin A11 are associated with amyotrophic lateral sclerosis

Author

Claire Troakes, Federico Verde, Cinzia Tiloca, Simon Topp, Peter C. Sapp, Masatoshi Maki, Monkel Lek, Michael E. Weale, Kevin P. Kenna, Stephen E. Moss, Robert H. Brown, Karen E. Morrison, Jonathan D. Glass, Emma L. Scotter, Martina de Majo, Michael A. Simpson, Christopher Shaw, Jack W. Miller, Pamela J. Shaw, Alberto Garcia Redondo, Athina Soragia-Gkazi, Han-Jou Chen, Bradley N. Smith, Ammar Al-Chalabi, Hideki Shibata, Wejdan Kattuah, Vincenzo Silani, Jacqueline C. Mitchell, Anneloor L.M.A. ten Asbroek, Andrew P. King, Peter J. Nestor, Cinzia Gellera, Hardev Pall, Akane Sato, Jacqueline de Belleroche, Maryangel Jeon, Nigel Leigh, Martin R Turner, Janine Kirby, Frank Baas, Kevin Talbot, Jesús Esteban-Pérez, Safa Al-Sarraj, Orla Hardiman, Nicholas W Parkin, Claudia Fallini, Diana Marques Dias, Stefano Duga, Antonia Ratti, Christopher C.J. Miller, Caroline Vance, Chun Hao Wong, Nicola Ticozzi, John Landers, Matthew Nolan, J M Vianney de Jong, ARD - Amsterdam Reproduction and Development, Genome Analysis, Other departments, ANS - Complex Trait Genetics, Human Genetics, and Medical Research Council (MRC)

Subjects
0301 basic medicine, TDP-43, metabolism [Human Embryonic Stem Cells], Human Embryonic Stem Cells, Research & Experimental Medicine, FAMILIAL ALS, Protein aggregation, medicine.disease_cause, S100 Calcium Binding Protein A6, Mutant protein, Annexin, Amyotrophic lateral sclerosis, metabolism [S100 Calcium Binding Protein A6], S100A6, Mutation, 11 Medical And Health Sciences, General Medicine, Transport protein, genetics [Amyotrophic Lateral Sclerosis], Protein Transport, Medicine, Research & Experimental, CALCIUM-BINDING, ddc:500, RETICULUM EXIT SITES, Life Sciences & Biomedicine, Protein Binding, Annexins, genetics [Mutation], Biology, Article, CU/ZN SUPEROXIDE-DISMUTASE, 03 medical and health sciences, medicine, Humans, metabolism [Annexins], GENOME-WIDE ASSOCIATION, Gene, Science & Technology, Amyotrophic Lateral Sclerosis, Haplotype, COMMON FOUNDER, Cell Biology, FRONTOTEMPORAL DEMENTIA, 06 Biological Sciences, medicine.disease, GENE, Molecular biology, genetics [Annexins], 030104 developmental biology
Abstract

Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disorder. We screened 751 familial ALS patient whole-exome sequences and identified six mutations including p.D40G in the ANXA11 gene in 13 individuals. The p.D40G mutation was absent from 70,000 control whole-exome sequences. This mutation segregated with disease in two kindreds and was present in another two unrelated cases (P = 0.0102), and all mutation carriers shared a common founder haplotype. Annexin A11-positive protein aggregates were abundant in spinal cord motor neurons and hippocampal neuronal axons in an ALS patient carrying the p.D40G mutation. Transfected human embryonic kidney cells expressing ANXA11 with the p.D40G mutation and other N-terminal mutations showed altered binding to calcyclin, and the p.R235Q mutant protein formed insoluble aggregates. We conclude that mutations in ANXA11 are associated with ALS and implicate defective intracellular protein trafficking in disease pathogenesis.

Published
2017
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6. Familial primary lateral sclerosis or dementia associated with Arg573Gly

Author

Estrella, Gómez-Tortosa, Julie, Van der Zee, María, Ruggiero, Ilse, Gijselinck, Jesús, Esteban-Pérez, Alberto, García-Redondo, Daniel, Borrego-Hernández, Eloísa, Navarro, M José, Sainz, Julián, Pérez-Pérez, Marc, Cruts, Christine, Van Broeckhoven, and Rosa, Guerrero-López

Subjects
Europe, Male, Case-Control Studies, Frontotemporal Dementia, Mutation, Humans, Female, Middle Aged, Motor Neuron Disease, Protein Serine-Threonine Kinases, Aged, Pedigree
Published
2016

8. Analysis of the CHCHD10 gene in patients with frontotemporal dementia and amyotrophic lateral sclerosis from Spain

Author

Jordi Clarimón, Jordi Pérez-Tur, Victoria Alvarez, Begoña Indakoechea, Julio Pardo, Fernando Cardona, Pascual Sánchez-Juan, Jesús Esteban-Pérez, Laia Muñoz-Llahuna, Onofre Combarros, Daniel Alcolea, Adolfo López de Munain, Roberto Fernández-Torrón, Ivonne Jericó, Alberto Lleó, Oriol Dols-Icardo, Sonia Moreno-Grau, Albert Lladó, Alberto García-Redondo, Ricard Rojas-García, Agustín Ruiz, Ana Gorostidi, Maitée Rosende-Roca, Raquel Sánchez-Valle, Juan Fortea, Isabel Hernández, Eliecer Coto, Juan F. Vázquez-Costa, Irene Nebot, Sara Ortega-Cubero, Mònica Povedano, Pau Pastor, Teresa Sevilla, José Luis Muñoz-Blanco, Álvaro Vela, Fermin Moreno, Ministerio de Economía y Competitividad (España), and Instituto de Salud Carlos III

Subjects
Male, Mitochondrial Proteins, Exon, Mitochondrial myopathy, mental disorders, medicine, Dementia, Humans, Allele, Amyotrophic lateral sclerosis, Age of Onset, Motor Neuron Disease, Aged, Genetics, Cerebellar ataxia, MUTATIONS, Amyotrophic Lateral Sclerosis, medicine.disease, nervous system diseases, Spain, Case-Control Studies, Frontotemporal Dementia, Mutation, Female, Neurology (clinical), Age of onset, medicine.symptom, Psychology, Neuroscience, Frontotemporal dementia
Abstract

Es una Carta al editor: 4 páginas, 2 tablas, 22 referencias bibliográficas. This is a pre-copyedited, author-produced PDF of an article accepted for publication in Brain following peer review. The version of record Brain 138(Pt 12):e400. (2015) is available online at: http://dx.doi.org/10.1093/brain/awv175, This study was supported in part by grants from Instituto de Salud Carlos III (PI12/01311) and MINECO (SAF2014-59469-R).

Published
2015

9. Exome-wide rare variant analysis identifies TUBA4A mutations associated with familial ALS

Author

Bradley N. Smith, Nicola Ticozzi, Claudia Fallini, Athina Soragia Gkazi, Simon Topp, Kevin P. Kenna, Emma L. Scotter, Jason Kost, Pamela Keagle, Jack W. Miller, Daniela Calini, Caroline Vance, Eric W. Danielson, Claire Troakes, Cinzia Tiloca, Safa Al-Sarraj, Elizabeth A. Lewis, Andrew King, Claudia Colombrita, Viviana Pensato, Barbara Castellotti, Jacqueline de Belleroche, Frank Baas, Anneloor LMA ten Asbroek, Peter C. Sapp, Diane McKenna-Yasek, Russell L. McLaughlin, Meraida Polak, Seneshaw Asress, Jesús Esteban-Pérez, José Luis Muñoz-Blanco, Michael Simpson, Wouter van Rheenen, Frank P. Diekstra, Giuseppe Lauria, Stefano Duga, Stefania Corti, Cristina Cereda, Lucia Corrado, Gianni Sorarù, Karen E. Morrison, Kelly L. Williams, Garth A. Nicholson, Ian P. Blair, Patrick A. Dion, Claire S. Leblond, Guy A. Rouleau, Orla Hardiman, Jan H. Veldink, Leonard H. van den Berg, Ammar Al-Chalabi, Hardev Pall, Pamela J. Shaw, Martin R. Turner, Kevin Talbot, Franco Taroni, Alberto García-Redondo, Zheyang Wu, Jonathan D. Glass, Cinzia Gellera, Antonia Ratti, Robert H. Brown, Vincenzo Silani, Christopher E. Shaw, John E. Landers, Sandra D’Alfonso, Letizia Mazzini, Giacomo P. Comi, Roberto Del Bo, Mauro Ceroni, Stella Gagliardi, Giorgia Querin, Cinzia Bertolin, ANS - Amsterdam Neuroscience, Genome Analysis, and Human Genetics

Subjects
Neurons, Genetics, Mutation, Sequence analysis, General Neuroscience, Neuroscience(all), Amyotrophic Lateral Sclerosis, Brain, Sequence Analysis, DNA, Disease, Biology, medicine.disease, medicine.disease_cause, Article, Tubulin, medicine, Missense mutation, Humans, Exome, Genetic Predisposition to Disease, Amyotrophic lateral sclerosis, Gene, Exome sequencing
Abstract

SummaryExome sequencing is an effective strategy for identifying human disease genes. However, this methodology is difficult in late-onset diseases where limited availability of DNA from informative family members prohibits comprehensive segregation analysis. To overcome this limitation, we performed an exome-wide rare variant burden analysis of 363 index cases with familial ALS (FALS). The results revealed an excess of patient variants within TUBA4A, the gene encoding the Tubulin, Alpha 4A protein. Analysis of a further 272 FALS cases and 5,510 internal controls confirmed the overrepresentation as statistically significant and replicable. Functional analyses revealed that TUBA4A mutants destabilize the microtubule network, diminishing its repolymerization capability. These results further emphasize the role of cytoskeletal defects in ALS and demonstrate the power of gene-based rare variant analyses in situations where causal genes cannot be identified through traditional segregation analysis.Video Abstract

Published
2014

10. Characterization of the repeat expansion size in C9orf72 in amyotrophic lateral sclerosis and frontotemporal dementia

Author

Juan Fortea, Ricard Rojas-García, Lucía Galán-Dávila, Jesús Esteban-Pérez, Pau Pastor, Marc Suárez-Calvet, Jesus S. Mora, Aura Capdevila, Alberto García-Redondo, Anna Antonell, Aina Noguera, Francisco Javier Rodriguez de Rivera, Alberto Lleó, Jordi Clarimón, Albert Lladó, Guillermo Amer, Isabel Hernández, José Luis Muñoz-Blanco, Oriol Dols-Icardo, Estrella Gómez-Tortosa, Sara Ortega-Cubero, Rafael Blesa, Daniel Alcolea, Sofía Antón-Aguirre, and Raquel Sánchez-Valle

Subjects
Male, Heterozygote, Biology, C9orf72, Genetics, medicine, Humans, Amyotrophic lateral sclerosis, Molecular Biology, Genetics (clinical), DNA Repeat Expansion, C9orf72 Protein, Amyotrophic Lateral Sclerosis, Proteins, Heterozygote advantage, Twins, Monozygotic, General Medicine, Middle Aged, medicine.disease, Blotting, Southern, Frontotemporal Dementia, Mutation, Female, Age of onset, Trinucleotide repeat expansion, Frontotemporal dementia
Abstract

Hexanucleotide repeat expansions within the C9orf72 gene are the most important genetic cause of amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD). The difficulty of developing a precise method to determine the expansion size has hampered the study of possible correlations between the hexanucleotide repeat number and clinical phenotype. Here we characterize, through a new non-radioactive Southern blot protocol, the expansion size range in a series of 38 ALS and 22 FTD heterozygous carriers of >30 copies of the repeat. Maximum, median and modal hexanucleotide repeat number were higher in ALS patients than in FTD patients (P < 0.05 in all comparisons). A higher median number of repeats correlated with a bigger range of repeat sizes (Spearman's rho = 0.743, P = 1.05 x 10(-11)). We did not find any correlation between age of onset or disease duration with the repeat size in neither ALS nor FTD mutation carriers. Clinical presentation (bulbar or spinal) in ALS patients did not correlate either with the repeat length. We finally analyzed two families with affected and unaffected repeat expansion carriers, compared the size of the repeat expansion between two monozygotic (MZ) twins (one affected of ALS and the other unaffected), and examined the expansion size in two different tissues (cerebellum and peripheral blood) belonging to the same FTD patient. The results suggested that the length of the C9orf72 repeat varies between family members, including MZ twins, and among different tissues from the same individual.

Published
2014

11. Analysis of the C9orf72 gene in patients with amyotrophic lateral sclerosis in Spain and different populations worldwide

Author

Miguel González-Muñoz, Catalina I, Capablo Jl, Guitart M, Ramírez-Ramos C, Márquez-Infante C, García-Barcina M, Pablo Villoslada, Ricardo Rojas-García, Hernández-Barral M, Jordi Pérez-Tur, José Luis Muñoz-Blanco, Pau Pastor, Guerrero A, Juárez-Rufián A, Julio Pardo, Varona L, Moreno-Laguna S, Teresa Sevilla, María-Jesús Sobrido, Paradas C, Ana Gorostidi, Beatriz Quintáns, Larrodé P, A. Lleo, Jesús Esteban-Pérez, de Rivera Fj, Alcalá C, López de Munain A, Goñi M, Rafael Blesa, Kapetanovic S, Cordero-Vázquez P, Poza Jj, Pascual-Calvet J, Roberto Fernandez-Torron, Morán Y, Sarasola E, Morgado Y, Gonzalo-Martínez Jf, Atencia G, Mònica Povedano, Mascías J, Cemillán C, Martín-Estefanía C, Alberto García-Redondo, Jordi Clarimón, Jiménez-Bautista R, Rueda A, de Arcaya Aá, Vela A, Ivonne Jericó, Jesus S. Mora, Galán L, Oriol Dols-Icardo, Fundación Española para el Fomento de la Investigación de la Esclerosis Lateral Amiotrófica, Ministerio de Ciencia e Innovación (España), Instituto de Salud Carlos III, and Centro Investigación Biomédica en Red Enfermedades Neurodegenerativas (España)

Subjects
Male, China, Heterozygote, DNA Mutational Analysis, Chromosome 9, Kaplan-Meier Estimate, Biology, Polymorphism, Single Nucleotide, Asian People, Gene Frequency, Japan, C9orf72, Genetics, medicine, Ethnicity, Humans, Genetic Predisposition to Disease, Family history, Allele, Amyotrophic lateral sclerosis, Genetics (clinical), Aged, Aged, 80 and over, DNA Repeat Expansion, C9orf72 Protein, Haplotype, Amyotrophic Lateral Sclerosis, Proteins, medicine.disease, Europe, Haplotypes, Spain, Africa, Mutation, Female, Trinucleotide repeat expansion, Frontotemporal dementia
Abstract

The C9ORF72 Spanish Study Group, et al., A hexanucleotide repeat expansion in chromosome 9 open reading frame 72 (C9orf72) can cause amyotrophic lateral sclerosis (ALS) and/or frontotemporal dementia (FTD). We assessed its frequency in 781 sporadic ALS (sALS) and 155 familial ALS (fALS) cases, and in 248 Spanish controls. We tested the presence of the reported founder haplotype among mutation carriers and in 171 Ceph Europeans from Utah (CEU), 170 Yoruba Africans, 81 Han Chinese, and 85 Japanese subjects. The C9orf72 expansion was present in 27.1% of fALS and 3.2% of sALS. Mutation carriers showed lower age at onset (P = 0.04), shorter survival (P = 0.02), greater co-occurrence of FTD (P = 8.2 × 10-5), and more family history of ALS (P = 1.4 × 10-20), than noncarriers. No association between alleles within the normal range and the risk of ALS was found (P = 0.12). All 61 of the mutation carriers were tested and a patient carrying 28 hexanucleotide repeats presented with the founder haplotype. This haplotype was found in 5.6% Yoruba Africans, 8.9% CEU, 3.9% Japanese, and 1.6% Han Chinese chromosomes. © 2012 Wiley Periodicals, Inc., We acknowledge the ALS Research Spanish Foundation (FUNDELA) and the UTE project FIMA (Spain) for their help to P.P. Contract grant sponsors: Neuromuscular Database Project, CIBERNED (PI 2010/11); MICINN (SAF2010-10434); ISCIII (PI10/00092 and EC08/00049).

Published
2013

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