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July 2021; 8 (4) ArticleOpen Access

Anti-CD20 Depletes Meningeal B Cells but Does Not Halt the Formation of Meningeal Ectopic Lymphoid Tissue

Rosa Margareta Brand, Verena Friedrich, Jolien Diddens, Monika Pfaller, Francesca Romana de Franchis, Helena Radbruch, Bernhard Hemmer, Katja Steiger, Klaus Lehmann-Horn
First published May 21, 2021, DOI: https://doi.org/10.1212/NXI.0000000000001012
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Article Information

vol. 8 no. 4 e1012
DOI: 
https://doi.org/10.1212/NXI.0000000000001012
PubMed: 
34021057
Published By: 
Wolters Kluwer Health, Inc. on behalf of the American Academy of Neurology
Online ISSN: 
2332-7812
History: 
  • Received January 25, 2021
  • Accepted in final form March 8, 2021
  • First Published May 21, 2021.
Copyright & Usage: 
Copyright © 2021 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. Rosa Margareta Brand,
    2. Verena Friedrich, PhD,
    3. Jolien Diddens, MSc,
    4. Monika Pfaller, BSc,
    5. Francesca Romana de Franchis, MSc,
    6. Helena Radbruch, MD,
    7. Bernhard Hemmer, MD,
    8. Katja Steiger, VMD and
    9. Klaus Lehmann-Horn, MD
  1. Rosa Margareta Brand,
    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. Verena Friedrich, 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. Jolien Diddens, MSc,
    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. Monika Pfaller, BSc,
    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. 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. Francesca Romana de Franchis, MSc,
    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. Helena Radbruch, MD,
    7. Scientific Advisory Boards:

    1. NONE

    Gifts:

    1. NONE

    Funding for travel or speaker honoraria:

    1. (1) Novartis, (2) Sanofi

    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. (1)Novartis, (2) Sanofi

    Research Support, Government Entities:

    1. (1)Deutsche Forschungsgemeinschaft CRC 130 TP17

    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. Bernhard Hemmer, MD,
    8. Scientific Advisory Boards:

    1. Advisory Boards for Novartis, he has served as DMSC member for AllergyCare, TG Therapeutics and Polpharma Biologics

    Gifts:

    1. Me or my institution have received speaker honoraria from Desitin

    Funding for travel or speaker honoraria:

    1. Excemed

    Editorial Boards:

    1. Editorial board member of Jama Neurology, Experimental Neurology and Multiple sclerosis Journal

    Patents:

    1. I hold part of two patents; one for the detection of antibodies and T cells against KIR4.1 in a subpopulati on of MS patients and one for genetic determinants of neutralizing antibodies to interferon β

    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. Regeneron - not related

    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. Katja Steiger, VMD and
    9. 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. Gastrointestinal lab - Texas A&M University

    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

  9. Klaus Lehmann-Horn, MD
    10. Scientific Advisory Boards:

    1. (1) F. Hoffmann-La Roche

    Gifts:

    1. NONE

    Funding for travel or speaker honoraria:

    1. (1) Novartis, speaker honorarium (2) F. Hoffmann-La Roche, speaker honorarium (3) Merck Serono, speaker honorarium

    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. (1) Oppenheim Award for Multiple Sclerosis Research 2015, sponsored by Novartis (2) Novartis, research support to TUM, unrelated to the study

    Research Support, Government Entities:

    1. Deutsche Forschungsgemeinschaft (German Research Foundation) (Le 3079/1-1) Deutsche Forschungsgemeinschaft (German Research Foundation) within the framework of the Munich Cluster for Systems Neurology (EXC 1010 SyNergy) Deutsche Forschungsgemeinschaft (German Research Foundation) CRC TR128

    Research Support, Academic Entities:

    1. NONE

    Research Support, Foundations and Societies:

    1. National Multiple Sclerosis Society (FG 2067-A-1) Hertie 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

  1. From the Department of Neurology (R.M.B., V.F., J.D., M.P., F.R.F., K.L.-H.), School of Medicine, Technical University of Munich; Department of Neuropathology (H.R.), Charité – Universitätsmedizin Berlin; Department of Neurology (B.H.), School of Medicine, Technical University of Munich, Munich Cluster of Systems Neurology (SyNergy), Germany; and Comparative Experimental Pathology (CEP) (K.S.), Department of Pathology, School of Medicine, Technical University of Munich, Germany.
  1. Correspondence
    Dr. Lehmann-Horn klaus.lehmann-horn{at}tum.de
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