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April 2022; 8 (2) Research ArticleOpen Access

ALS in Finland

Major Genetic Variants and Clinical Characteristics of Patients With and Without the C9orf72 Hexanucleotide Repeat Expansion

View ORCID ProfileHannu Laaksovirta, View ORCID ProfileJyrki Launes, Lilja Jansson, View ORCID ProfileBryan J. Traynor, View ORCID ProfileKarri Kaivola, View ORCID ProfilePentti J. Tienari
First published March 14, 2022, DOI: https://doi.org/10.1212/NXG.0000000000000665
Hannu Laaksovirta
From the Department of Neurology (H.L., K.K., P.J.T.), Helsinki University Hospital; Translational Immunology (H.L., L.J., K.K., P.J.T.), Research Programs Unit, University of Helsinki; Department of Psychology and Logopedics (J.L.), University of Helsinki, Finland; and Neuromuscular Diseases Research Section (B.J.T.), Laboratory of Neurogenetics, National Institute on Aging, Bethesda, MD.
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  • ORCID record for Hannu Laaksovirta
Jyrki Launes
From the Department of Neurology (H.L., K.K., P.J.T.), Helsinki University Hospital; Translational Immunology (H.L., L.J., K.K., P.J.T.), Research Programs Unit, University of Helsinki; Department of Psychology and Logopedics (J.L.), University of Helsinki, Finland; and Neuromuscular Diseases Research Section (B.J.T.), Laboratory of Neurogenetics, National Institute on Aging, Bethesda, MD.
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  • ORCID record for Jyrki Launes
  • For correspondence: jyrki.launes@gmail.com
Lilja Jansson
From the Department of Neurology (H.L., K.K., P.J.T.), Helsinki University Hospital; Translational Immunology (H.L., L.J., K.K., P.J.T.), Research Programs Unit, University of Helsinki; Department of Psychology and Logopedics (J.L.), University of Helsinki, Finland; and Neuromuscular Diseases Research Section (B.J.T.), Laboratory of Neurogenetics, National Institute on Aging, Bethesda, MD.
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  • For correspondence: lilja.jansson@hus.fi
Bryan J. Traynor
From the Department of Neurology (H.L., K.K., P.J.T.), Helsinki University Hospital; Translational Immunology (H.L., L.J., K.K., P.J.T.), Research Programs Unit, University of Helsinki; Department of Psychology and Logopedics (J.L.), University of Helsinki, Finland; and Neuromuscular Diseases Research Section (B.J.T.), Laboratory of Neurogenetics, National Institute on Aging, Bethesda, MD.
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  • ORCID record for Bryan J. Traynor
  • For correspondence: traynorb@mail.nih.gov
Karri Kaivola
From the Department of Neurology (H.L., K.K., P.J.T.), Helsinki University Hospital; Translational Immunology (H.L., L.J., K.K., P.J.T.), Research Programs Unit, University of Helsinki; Department of Psychology and Logopedics (J.L.), University of Helsinki, Finland; and Neuromuscular Diseases Research Section (B.J.T.), Laboratory of Neurogenetics, National Institute on Aging, Bethesda, MD.
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  • ORCID record for Karri Kaivola
  • For correspondence: karri.kaivola@helsinki.fi
Pentti J. Tienari
From the Department of Neurology (H.L., K.K., P.J.T.), Helsinki University Hospital; Translational Immunology (H.L., L.J., K.K., P.J.T.), Research Programs Unit, University of Helsinki; Department of Psychology and Logopedics (J.L.), University of Helsinki, Finland; and Neuromuscular Diseases Research Section (B.J.T.), Laboratory of Neurogenetics, National Institute on Aging, Bethesda, MD.
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  • ORCID record for Pentti J. Tienari
  • For correspondence: pentti.tienari@hus.fi
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Citation
ALS in Finland
Major Genetic Variants and Clinical Characteristics of Patients With and Without the C9orf72 Hexanucleotide Repeat Expansion
Hannu Laaksovirta, Jyrki Launes, Lilja Jansson, Bryan J. Traynor, Karri Kaivola, Pentti J. Tienari
Neurol Genet Apr 2022, 8 (2) e665; DOI: 10.1212/NXG.0000000000000665

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Article Information

vol. 8 no. 2 e665
DOI: 
https://doi.org/10.1212/NXG.0000000000000665

Published By: 
Wolters Kluwer Health, Inc. on behalf of the American Academy of Neurology
Online ISSN: 
2376-7839
History: 
  • Received October 4, 2021
  • Accepted in final form January 26, 2022
  • First Published March 14, 2022.

Copyright & Usage: 
Copyright © 2022 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the American Academy of Neurology. This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND), which permits downloading and sharing the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

Author Disclosures

    1. Hannu Laaksovirta, MD,
    2. Jyrki Launes, MD, PhD (jyrki.launes{at}gmail.com),
    3. Lilja Jansson (lilja.jansson{at}hus.fi),
    4. Bryan J. Traynor, MD, PhD (traynorb{at}mail.nih.gov),
    5. Karri Kaivola, MD, PhD (karri.kaivola{at}helsinki.fi) and
    6. Pentti J. Tienari, MD, PhD (pentti.tienari{at}hus.fi)
  1. Hannu Laaksovirta, MD,
  2. Scientific Advisory Boards:
    1. NONE

    Gifts:
    1. NONE

    Funding for Travel or Speaker Honoraria:
    1. NONE

    Editorial Boards:
    1. NONE

    Patents:
    1. NONE

    Publishing Royalties:
    1. NONE

    Employment, Commercial Entity:
    1. NONE

    Consultancies:
    1. NONE

    Speakers' Bureaus:
    1. NONE

    Other Activities:
    1. NONE

    Clinical Procedures or Imaging Studies:
    1. NONE

    Research Support, Commercial Entities:
    1. NONE

    Research Support, Government Entities:
    1. NONE

    Research Support, Academic Entities:
    1. NONE

    Research Support, Foundations and Societies:
    1. NONE

    Stock/Stock Options/Board of Directors Compensation:
    1. NONE

    License Fee Payments, Technology or Inventions:
    1. NONE

    Royalty Payments, Technology or Inventions:
    1. NONE

    Stock/Stock Options, Research Sponsor:
    1. NONE

    Stock/Stock Options, Medical Equipment & Materials:
    1. NONE

    Legal Proceedings:
    1. NONE

  3. Jyrki Launes, MD, PhD (jyrki.launes{at}gmail.com),
  4. Scientific Advisory Boards:
    1. NONE

    Gifts:
    1. NONE

    Funding for Travel or Speaker Honoraria:
    1. NONE

    Editorial Boards:
    1. NONE

    Patents:
    1. NONE

    Publishing Royalties:
    1. NONE

    Employment, Commercial Entity:
    1. NONE

    Consultancies:
    1. NONE

    Speakers' Bureaus:
    1. NONE

    Other Activities:
    1. NONE

    Clinical Procedures or Imaging Studies:
    1. NONE

    Research Support, Commercial Entities:
    1. NONE

    Research Support, Government Entities:
    1. NONE

    Research Support, Academic Entities:
    1. NONE

    Research Support, Foundations and Societies:
    1. NONE

    Stock/Stock Options/Board of Directors Compensation:
    1. NONE

    License Fee Payments, Technology or Inventions:
    1. NONE

    Royalty Payments, Technology or Inventions:
    1. NONE

    Stock/Stock Options, Research Sponsor:
    1. NONE

    Stock/Stock Options, Medical Equipment & Materials:
    1. NONE

    Legal Proceedings:
    1. NONE

  5. Lilja Jansson (lilja.jansson{at}hus.fi),
  6. Scientific Advisory Boards:
    1. NONE

    Gifts:
    1. NONE

    Funding for Travel or Speaker Honoraria:
    1. NONE

    Editorial Boards:
    1. NONE

    Patents:
    1. NONE

    Publishing Royalties:
    1. NONE

    Employment, Commercial Entity:
    1. NONE

    Consultancies:
    1. NONE

    Speakers' Bureaus:
    1. NONE

    Other Activities:
    1. NONE

    Clinical Procedures or Imaging Studies:
    1. NONE

    Research Support, Commercial Entities:
    1. NONE

    Research Support, Government Entities:
    1. NONE

    Research Support, Academic Entities:
    1. NONE

    Research Support, Foundations and Societies:
    1. NONE

    Stock/Stock Options/Board of Directors Compensation:
    1. NONE

    License Fee Payments, Technology or Inventions:
    1. NONE

    Royalty Payments, Technology or Inventions:
    1. NONE

    Stock/Stock Options, Research Sponsor:
    1. NONE

    Stock/Stock Options, Medical Equipment & Materials:
    1. NONE

    Legal Proceedings:
    1. NONE

  7. Bryan J. Traynor, MD, PhD (traynorb{at}mail.nih.gov),
  8. Scientific Advisory Boards:
    1. NONE

    Gifts:
    1. NONE

    Funding for travel or speaker honoraria:
    1. (1) The Italian Football Federation (FIGC), travel expenses; (2) American Academy of Neurology, travel expenses; (3) Cold Spring Harbor Laboratories, travel expenses; (4) The Italian ALS Association (ARISLA), travel expenses; (5) Movement Disorders Society, travel expenses; (6) Wellcome Trust, travel expenses; (7) The Finnish Neurological Society, travel expenses; (8) The NorthEast ALS Consortium (NEALS), travel expenses; (9) UC Irivine, travel expenses; (10) The ALS Hope Foundation, travel expenses; (11) The ALS Association, travel expenses; (12) The American Academy of Neurology, travel expenses; (13) The Motor Neuron Association (UK), travel expenses; (14) Microsoft Research, travel expenses; (15) The Italian Neurological Society, travel expenses; (16) The University of Toronto, travel expenses; (17) The International Congress of Human Genetics, travel expenses; (18) Society for Neuroscience, travel expenses; (19) University of Albany, travel expenses

    Editorial Boards:
    1. Neurology, editorial board, 2011-2011 Journal of Neurology, Neurosurgery, and Psychiatry, editorial board, 2013 - ongoing Neurobiology of Aging, editorial board, 2015 - JAMA Neurology, editorial board, 2017 - 2021 Brain, associate editor, 2021 - Lancet eClinical Medicine, editorial board, 2021 -

    Patents:
    1. I hold the European, Canadian and US patents on the clinical testing and therapeutic intervention for the hexanucleotide repeat expansion of the C9ORF72 gene.

    Publishing Royalties:
    1. NONE

    Employment, Commercial Entity:
    1. National Institutes of Health

    Consultancies:
    1. NONE

    Speakers' Bureaus:
    1. NONE

    Other Activities:
    1. NONE

    Clinical Procedures or Imaging Studies:
    1. NONE

    Research Support, Commercial Entities:
    1. (1) Merck Inc; (2) Cerevel Inc;

    Research Support, Government Entities:
    1. (1) Intramural Research Program of the NIH (where I work).

    Research Support, Academic Entities:
    1. (1) academic entity: Department of Neurology, Johns Hopkins University, Baltimore, MD, USA (2) academic entity: Queen Square Neurology, University College London, London, UK

    Research Support, Foundations and Societies:
    1. (1) The Myasthenia Gravis Foundation; (2) the ALS Association; (3) The Packard Center for ALS Research; (4) FIGC (The Italian Football Federation); (5) the Center for Disease Control and Prevention; (6) Microsoft Research; (7) The Italian ALS Association (ARISLA); (8) The Muscular Dystrophy Association;

    Stock/Stock Options/Board of Directors Compensation:
    1. NONE

    License Fee Payments, Technology or Inventions:
    1. NONE

    Royalty Payments, Technology or Inventions:
    1. NONE

    Stock/Stock Options, Research Sponsor:
    1. NONE

    Stock/Stock Options, Medical Equipment & Materials:
    1. NONE

    Legal Proceedings:
    1. NONE

  9. Karri Kaivola, MD, PhD (karri.kaivola{at}helsinki.fi) and
  10. Scientific Advisory Boards:
    1. NONE

    Gifts:
    1. NONE

    Funding for Travel or Speaker Honoraria:
    1. NONE

    Editorial Boards:
    1. NONE

    Patents:
    1. NONE

    Publishing Royalties:
    1. NONE

    Employment, Commercial Entity:
    1. NONE

    Consultancies:
    1. NONE

    Speakers' Bureaus:
    1. NONE

    Other Activities:
    1. NONE

    Clinical Procedures or Imaging Studies:
    1. NONE

    Research Support, Commercial Entities:
    1. NONE

    Research Support, Government Entities:
    1. NONE

    Research Support, Academic Entities:
    1. NONE

    Research Support, Foundations and Societies:
    1. (1) The Finnish Cultural Foundation, (2) The Päivikki and Sakari Sohlberg Foundation, (3) The Finnish Parkinson Foundation

    Stock/Stock Options/Board of Directors Compensation:
    1. NONE

    License Fee Payments, Technology or Inventions:
    1. NONE

    Royalty Payments, Technology or Inventions:
    1. NONE

    Stock/Stock Options, Research Sponsor:
    1. NONE

    Stock/Stock Options, Medical Equipment & Materials:
    1. NONE

    Legal Proceedings:
    1. NONE

  11. Pentti J. Tienari, MD, PhD (pentti.tienari{at}hus.fi)
  12. Scientific Advisory Boards:
    1. NONE

    Gifts:
    1. NONE

    Funding for travel or speaker honoraria:
    1. Funding for congress travel: TEVA, Merck (Europe), Biogen, Sanofi-Genzyme, Novartis. Speaker honoraria: Biogen, Merck (Europe), TEVA, Novartis, Sanofi-Genzyme, Orion, Roche.

    Editorial Boards:
    1. Guest editor in Frontiers of Immunology 2020-2021 in research topic entitled

    Patents:
    1. Pentti Tienari is one of the inventors in a patent on the genetic testing of the hexanucleotide repeat expansion of C9orf72 implicated in amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD).

    Publishing Royalties:
    1. Duodecim kustannus Inc. Medical text book chapter royalties about 30€ per year.

    Employment, Commercial Entity:
    1. NONE

    Consultancies:
    1. Consultation to Jansen-Cilaq and Roche.

    Speakers' Bureaus:
    1. NONE

    Other Activities:
    1. NONE

    Clinical Procedures or Imaging Studies:
    1. NONE

    Research Support, Commercial Entities:
    1. 1. Investigator initiated grants from Biogen Finland, Roche, Novartis Finland, Sanofi-Genzyme. 2. Whole-genome sequencing of the ALS cohort and Vantaa85+ brain aging cohort has been supported by Merck & Co, Inc., USA. 3. Merck (Europe) sponsored study to analyse the mode of action of cladribine in human cells.

    Research Support, Government Entities:
    1. NONE

    Research Support, Academic Entities:
    1. 1. Helsinki University Hospital EVO-grants TYH2017254, TYH2018231 and TYH2019258.

    Research Support, Foundations and Societies:
    1. Sigrid Juselius Foundation grant 2018-2020.

    Stock/Stock Options/Board of Directors Compensation:
    1. NONE

    License Fee Payments, Technology or Inventions:
    1. NONE

    Royalty Payments, Technology or Inventions:
    1. NONE

    Stock/Stock Options, Research Sponsor:
    1. NONE

    Stock/Stock Options, Medical Equipment & Materials:
    1. NONE

    Legal Proceedings:
    1. NONE

  1. From the Department of Neurology (H.L., K.K., P.J.T.), Helsinki University Hospital; Translational Immunology (H.L., L.J., K.K., P.J.T.), Research Programs Unit, University of Helsinki; Department of Psychology and Logopedics (J.L.), University of Helsinki, Finland; and Neuromuscular Diseases Research Section (B.J.T.), Laboratory of Neurogenetics, National Institute on Aging, Bethesda, MD.
  1. Correspondence
    Dr. Laaksovirta hannu.laaksovirta{at}hus.fi
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