NeurOmics website

NeurOmics website

Integrated European Project on Omics Research of
Rare Neuromuscular and Neurodegenerative Diseases
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      • 1 – Deep phenotype analysis in pre-symptomatic and symptomatic NDD/NMD patients
      • 2 – Identification of novel disease genes in NDD/NMD patients
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  • Publication highlights
    • Publication highlights
      • 229th ENMC international workshop: Limb girdle muscular dystrophies – nomenclature and reformed classification, 17-19 March 2017, Naarden, The Netherlands

        Volker Straub, Alexander Murphy, Bjarne Udd


        Tracking disease progression non‐invasively in Duchenne and Becker muscular dystrophies

        Pietro Spitali, Kristina Hettne, Roula Tsonaka, Mohammed Charrout, Janneke van den Bergen, Zaïda Koeks, Hermien E. Kan, Melissa T. Hooijmans, Andreas Roos, Volker Straub, Francesco Muntoni,
        Cristina Al‐Khalili‐Szigyarto, Marleen J.A. Koel‐Simmelink, Charlotte E. Teunissen, Hanns Lochmüller, Erik H. Niks, Annemieke Aartsma‐Rus


        Survival in patients with spinocerebellar ataxia types 1, 2, 3, and 6 (EUROSCA): a longitudinal cohort study

        Alhassane Diallo, Heike Jacobi, Arron Cook, Robyn Labrum, Prof Alexandra Durr, Prof Alexis Brice, Perrine Charles, Cecilia Marelli, Caterina Mariotti, Lorenzo Nanetti, Marta Panzeri, Maria Rakowicz, Anna Sobanska, Anna Sulek, Tanja Schmitz-Hübsch, Ludger Schöls, Holger Hengel, Prof Bela Melegh, Prof Alessandro Filla, Antonella Antenora, Jon Infante, Prof José Berciano, Bart P van de Warrenburg, Dagmar Timmann, Sylvia Boesch, Prof Massimo Pandolfo, Prof Jörg B Schulz, Peter Bauer, Paola Giunti, Jun-Suk Kang, Prof Thomas Klockgether, Sophie Tezenas du Montcel


        Recessive variants of MuSK are associated with late onset CMS and predominant limb girdle weakness

        David Owen, Ana Töpf, Veeramani Preethish‐Kumar, Paolo José Lorenzoni, Bas Vroling, Rosana Herminia Scola, Elza Dias‐Tosta, Argemiro Geraldo, Kiran Polavarapu, Saraswati Nashi, Daniel Cox, Teresinha Evangelista, John Dawson, Rachel Thompson, Jan Senderek, Steven Laurie, Sergi Beltran, Marta Gut, Ivo Gut, Atchayaram Nalini, Hanns Lochmüller


        RD-Connect, NeurOmics and EURenOmics: collaborative European initiative for rare diseases

        Hanns Lochmüller, Dorota M. Badowska, Rachel Thompson, Nine V. Knoers, Annemieke Aartsma-Rus, Ivo Gut, Libby Wood, Tina Harmuth, Andre Durudas, Holm Graessner, Franz Schaefer, Olaf Riess, RD-Connect consortium, NeurOmics consortium & EURenOmics consortium


        The Beta-Adrenergic Agonist Salbutamol Modulates Neuromuscular Junction Formation in Zebrafish Models of Human Myasthenic Syndromes

        Grace McMacken, Dan Cox, Andreas Roos, Juliane Müller, Roger Whittaker, Hanns Lochmüller


        Rare non-synonymous variants in SORT1 are associated with increased risk for frontotemporal dementia

        Stéphanie Philtjens, Sara Van Mossevelde, Julie van der Zee, Eline Wauters, Lubina Dillen, Mathieu Vandenbulcke, Rik Vandenberghe, Adrian Ivanoiu, Anne Sieben, Christiana Willems, Luisa Benussi, Roberta Ghidoni, Giuliano Binetti, Barbara Borroni, Alessandro Padovani, Pau Pastor, Monica Diez-Fairen, Miquel Aguilar, Alexandre de Mendonça, Gabriel Miltenberger-Miltényi, Isabel Hernández, Merce Boada, Agustín Ruiz, Benedetta Nacmiass, Sandro Sorbi, Maria Rosário Almeida, Isabel Santana, Jordi Clarimón, Alberto Lleó, Giovanni B. Frisoni, Raquel Sanchez-Valle, Albert Lladó, Estrella Gómez-Tortosa, Ellen Gelpi, Marleen Van den Broeck, Karin Peeters, Patrick Cras, Peter P. De Deyn, Sebastiaan Engelborghs, Marc Cruts, Christine Van


        PFN2 and GAMT as common molecular determinants of axonal Charcot-Marie-Tooth disease

        Manisha Juneja, Abdelkrim Azmi, Jonathan Baets, Andreas Roos, Matthew J Jennings, Paola Saveri, Chiara Pisciotta, Nathalie Bernard-Marissal, Bernard L Schneider, Catherine Verfaillie, Roman Chrast, Pavel Seeman, Angelika F Hahn, Peter de Jonghe, Stuart Maudsley, Rita Horvath, Davide Pareyson, Vincent Timmerman


        Cross-sectional serum metabolomic study of multiple forms of muscular dystrophy

        Pietro Spitali, Kristina Hettne, Roula Tsonaka, Ekrem Sabir, Alexandre Seyer, Jesse B.A. Hemerik, Jelle J. Goeman, Esther Picillo, Manuela Ergoli, Luisa Politano, Annemieke Aartsma-Rus


        Harmonising phenomics information for a better interoperability in the rare disease field

        Sylvie Maiellaa, Annie Olrya, Marc Hanauera, Valérie Lanneaua, Halima Lourghia, Bruno Donadillea, Charlotte Rodwella, Sebastian Köhlerc, Dominik Seelowc, Simon Juppe, Helen Parkinsone, Tudor Grozaf, Michael Brudnod, Peter N. Robinsonb, Ana Ratha


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A heterozygous 21-bp deletion in CAPN3 causes dominantly inherited limb girdle muscular dystrophy

Authors

John Vissing, Rita Barresi, Nanna Witting, Marijke Van Ghelue, Lise Gammelgaard, Laurence A. Bindoff, Volker Straub, Hanns Lochmüller, Judith Hudson, Christoph M. Wahl, Snjolaug Arnardottir, Kathe Dahlbom, Christoffer Jonsrud, Morten Duno

Journal

Brain - Journal of Neurology, volume 139, issue 6,

Publication date

June 2016

Abstract

Limb girdle muscular dystrophy type 2A is the most common limb girdle muscular dystrophy form worldwide. Although strict recessive inheritance is assumed, patients carrying a single mutation in the calpain 3 gene (CAPN3) are reported. Such findings are commonly attributed to incomplete mutation screening. In this investigation, we report 37 individuals (age range: 21–85 years, 21 females and 16 males) from 10 families in whom only one mutation in CAPN3 could be identified; a 21-bp, in-frame deletion (c.643_663del21). This mutation co-segregated with evidence of muscle disease and autosomal dominant transmission in several generations. Evidence of muscle disease was indicated by muscle pain, muscle weakness and wasting, significant fat replacement of muscles on imaging, myopathic changes on muscle biopsy and loss of calpain 3 protein on western blotting. Thirty-one of 34 patients had elevated creatine kinase or myoglobin. Muscle weakness was generally milder than observed in limb girdle muscular dystrophy type 2A, but affected the same muscle groups (proximal leg, lumbar paraspinal and medial gastrocnemius muscles). In some cases, the weakness was severely disabling. The 21-bp deletion did not affect mRNA maturation. Calpain 3 expression in muscle, assessed by western blot, was below 15% of normal levels in the nine mutation carriers in whom this could be tested. Haplotype analysis in four families from three different countries suggests that the 21-bp deletion is a founder mutation. This study provides strong evidence that heterozygosity for the c.643_663del21 deletion in CAPN3 results in a dominantly inherited muscle disease. The normal expression of mutated mRNA and the severe loss of calpain 3 on western blotting, suggest a dominant negative effect with a loss-of-function mechanism affecting the calpain 3 homodimer. This renders patients deficient in calpain 3 as in limb girdle muscular dystrophy type 2A, albeit in a milder form in most cases. Based on findings in 10 families, our study indicates that a dominantly inherited pattern of calpainopathy exists, and should be considered in the diagnostic work-up and genetic counselling of patients with calpainopathy and single-allele aberrations in CAPN3.

DOI link

10.1093/brain/aww133

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The NeurOmics project has received funding from the European Union’s Seventh Framework Programme for research, technological development and demonstration under grant agreement no 2012-305121.

 
   

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