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June 2020; 6 (3) ArticleOpen Access

Prevalence of RFC1-mediated spinocerebellar ataxia in a North American ataxia cohort

Dona Aboud Syriani, Darice Wong, Sameer Andani, Claudio M. De Gusmao, Yuanming Mao, May Sanyoura, Giacomo Glotzer, Paul J. Lockhart, Sharon Hassin-Baer, Vikram Khurana, Christopher M. Gomez, Susan Perlman, Soma Das, Brent L. Fogel
First published May 20, 2020, DOI: https://doi.org/10.1212/NXG.0000000000000440
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Article Information

vol. 6 no. 3 e440
DOI: 
https://doi.org/10.1212/NXG.0000000000000440
Published By: 
Wolters Kluwer Health, Inc. on behalf of the American Academy of Neurology
Online ISSN: 
2376-7839
History: 
  • Received November 7, 2019
  • Accepted in final form March 15, 2020
  • First Published May 20, 2020.
Copyright & Usage: 
Copyright © 2020 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. Dona Aboud Syriani,
    2. Darice Wong, PhD,
    3. Sameer Andani, BS,
    4. Claudio M. De Gusmao, MD,
    5. Yuanming Mao, BS,
    6. May Sanyoura, PhD,
    7. Giacomo Glotzer,
    8. Paul J. Lockhart, PhD,
    9. Sharon Hassin-Baer, MD,
    10. Vikram Khurana, MD, PhD,
    11. Christopher M. Gomez, MD, PhD,
    12. Susan Perlman, MD,
    13. Soma Das, PhD and
    14. Brent L. Fogel, MD, PhD
  1. Dona Aboud Syriani,
    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

  2. Darice Wong, PhD,
    3. 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. Sameer Andani, BS,
    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

  4. Claudio M. De Gusmao, MD,
    5. 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. Research support from the National Ataxia Foundation

    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. Research support from the National Ataxia Foundation; Research Support from the Ataxia-Teleangiectasia Children's Project

    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. Yuanming Mao, BS,
    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

  6. May Sanyoura, PhD,
    7. 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. Giacomo Glotzer,
    8. 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

  8. Paul J. Lockhart, PhD,
    9. Scientific Advisory Boards:

    1. NONE

    Gifts:

    1. NONE

    Funding for Travel or Speaker Honoraria:

    1. NONE

    Editorial Boards:

    1. (1) Genetics Research International, Editorial board member, 2010-2017 (2) Open Access (OA) Genetics, Editorial board member, 2012-2016 (3) Journal of Neurochemistry, Handling Editor, 2018-current

    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. 1. National Health and Medical Research Council (Australia) Project grant APP1144724 2018-2020. 2. National Health and Medical Research Council (Australia) Project grant APP1128933 2017-2018. 3. National Health and Medical Research Council (Australia) Project grant APP1098255 2016-2020. 4. National Health and Medical Research Council (Australia) Project grant APP1144724 2018-2020.

    Research Support, Academic Entities:

    1. NONE

    Research Support, Foundations and Societies:

    1. Michael J Fox Foundation, Project Grant 12173, 2016-2017

    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. Sharon Hassin-Baer, MD,
    10. Scientific Advisory Boards:

    1. NONE

    Gifts:

    1. NONE

    Funding for travel or speaker honoraria:

    1. Funding for travel or speaker honoraria FROM ABBVIE, MEDISON, ALLERGAN, IBSEN,

    Editorial Boards:

    1. NONE

    Patents:

    1. NONE

    Publishing Royalties:

    1. NONE

    Employment, Commercial Entity:

    1. NONE

    Consultancies:

    1. I have received consultancy fees from Abbvie, TEVA, ALLERGAN and Medtronic.

    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. Chief scientist of the Ministry of Commerce and science: study on mild cognitive impairment in Parkinson's disease

    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

  10. Vikram Khurana, MD, PhD,
    11. Scientific Advisory Boards:

    1. Co-Founder, equity holding and adviser in Yumanity Theraepeutics (myself and spouse) Scientific Advisory Board, Enclear Therapies

    Gifts:

    1. NONE

    Funding for Travel or Speaker Honoraria:

    1. NONE

    Editorial Boards:

    1. NONE

    Patents:

    1. (1) Yeast to human stem cell discovery platform for neurodegenerative proteinopathies (2) Transposenet: Cross-species tool for mapping molecular networks

    Publishing Royalties:

    1. NONE

    Employment, Commercial Entity:

    1. Yumanity Therapeutics, Senior Adviser, 4

    Consultancies:

    1. 1) Yumanity Therapeutics 2) Enclear Therapies 3) Lundbeck 4) Seelos 5) Moderna 6) Astellas 7) DSI

    Speakers' Bureaus:

    1. NONE

    Other Activities:

    1. NONE

    Clinical Procedures or Imaging Studies:

    1. NONE

    Research Support, Commercial Entities:

    1. Yumanity Therapeutics (spouse's employer)

    Research Support, Government Entities:

    1. 1) National Institutes of Health (NINDS), R21 NS112858 , PI, 2 year 2) Department of Defense, W81XWH1910695, PI, 3 year

    Research Support, Academic Entities:

    1. Brigham and Women's Hospital

    Research Support, Foundations and Societies:

    1. New York Stem Cell Foundation Multiple System Atrophy Coalition National Ataxia Foundation Harvard Neurodiscovery Center

    Stock/Stock Options/Board of Directors Compensation:

    1. NONE

    License fee payments, Technology or Inventions:

    1. 1) Engineered Human Stem-Cell Lines, Yumanity Therapeutics 2) Engineered U20S Cell lines, Yumanity Therapeutics

    Royalty Payments, Technology or Inventions:

    1. As above (see patent applications)

    Stock/Stock Options, Research Sponsor:

    1. NONE

    Stock/Stock Options, Medical Equipment & Materials:

    1. NONE

    Legal Proceedings:

    1. NONE

  11. Christopher M. Gomez, MD, PhD,
    12. Scientific Advisory Boards:

    1. NONE

    Gifts:

    1. NONE

    Funding for Travel or Speaker Honoraria:

    1. NONE

    Editorial Boards:

    1. NONE

    Patents:

    1. PCT/US16/45492 Priority date: 08/04/2015 Status:awarded

    Publishing Royalties:

    1. NONE

    Employment, Commercial Entity:

    1. NONE

    Consultancies:

    1. pending APDM

    Speakers' Bureaus:

    1. NONE

    Other Activities:

    1. NONE

    Clinical Procedures or Imaging Studies:

    1. NONE

    Research Support, Commercial Entities:

    1. Biogen Pfizer

    Research Support, Government Entities:

    1. NIH/NINDS R01NS082788-06 NIH/NINDS R01NS082788

    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

  12. Susan Perlman, MD,
    13. Scientific Advisory Boards:

    1. (1) National Ataxia Foundation Medical Research Advisory Board.

    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. (1) UCLA Medical Center, fulltime staff physician

    Consultancies:

    1. NONE

    Speakers' Bureaus:

    1. NONE

    Other Activities:

    1. NONE

    Clinical Procedures or Imaging Studies:

    1. NONE

    Research Support, Commercial Entities:

    1. (1) Santhera Phamaceuticals (2) Edison Pharmaceuticals (3) Viropharma Pharmaceuticals (4) Horizon Pharmaceuticals (5) Reata Pharmaceuticals (6) Biohaven Pharmaceuticals (7) Teva Pharmaceuticals (8) Takeda Pharmaceuticals (9) Cadent Pharmaceuticals

    Research Support, Government Entities:

    1. (1) ARRAS funding via the RDN-CRC, subcontracted from University of Florida, PI at UCLA for the study 2009-2011

    Research Support, Academic Entities:

    1. NONE

    Research Support, Foundations and Societies:

    1. (1) Friedreich Ataxia Research Alliance (2) National Ataxia 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

  13. Soma Das, PhD and
    14. 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. NIH/NHGRI, 2 U41 HG006834-04, 09/23/13 – 07/31/21, “Clinical Genome Resource”, Soma Das, Ph.D., Co-Investigator (10% effort); H. Rehm, PhD., Principal Investigator, Annual direct cost: $1,803,751

    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

  14. Brent L. Fogel, MD, PhD
    15. Scientific Advisory Boards:

    1. NONE

    Gifts:

    1. NONE

    Funding for travel or speaker honoraria:

    1. 1. American Academy of Neurology, Speaker Honoraria 2. National Ataxia Foundation, Travel

    Editorial Boards:

    1. 1. Neurology:Genetics, Editorial Board, 2 years 2. Neurology Today, Editorial Board, 4 years

    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. 1. NIH/NINDS R01 NS082094 (PI Fogel) 04/2013 - 03/2019

    Research Support, Academic Entities:

    1. NONE

    Research Support, Foundations and Societies:

    1. National Ataxia Foundation (PI Fogel) 1/2019-12/2022

    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 (D.A.S., D.W., Y.M., S.P., B.L.F.), Program in Neurogenetics, David Geffen School of Medicine, University of California, Los Angeles; Department of Neurology (D.W., B.L.F.), Clinical Neurogenomics Research Center, David Geffen School of Medicine, University of California, Los Angeles; Department of Human Genetics (S.A., M.S., S.D.), University of Chicago, IL; Department of Neurology (C.M.D.G., V.K.), Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Department of Neurology (G.G., C.M.G.), University of Chicago, IL; Bruce Lefroy Centre (P.J.L.), Murdoch Children's Research Institute; Department of Paediatrics (P.J.L.), University of Melbourne, Parkville, Australia; Sackler Faculty of Medicine (S.H.-B.), Tel-Aviv University, Tel-Aviv, Israel; and Department of Human Genetics (B.L.F.), David Geffen School of Medicine, University of California, Los Angeles.
  1. Correspondence
    Dr. Fogel bfogel{at}ucla.edu or Dr. Das sdas{at}bsd.uchicago.edu
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