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March 2023; 10 (2) Research ArticleOpen Access

CAR-T Cell–Mediated B-Cell Depletion in Central Nervous System Autoimmunity

Sasha Gupta, Milos Simic, Sharon A. Sagan, Chanelle Shepherd, Jason Duecker, Raymond A. Sobel, Ravi Dandekar, Gregory F. Wu, Wesley Wu, John E. Pak, View ORCID ProfileStephen L. Hauser, Wendell Lim, View ORCID ProfileMichael R. Wilson, Scott S. Zamvil
First published January 19, 2023, DOI: https://doi.org/10.1212/NXI.0000000000200080
Sasha Gupta
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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Milos Simic
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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Sharon A. Sagan
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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Chanelle Shepherd
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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Jason Duecker
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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Raymond A. Sobel
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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Ravi Dandekar
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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Gregory F. Wu
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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Wesley Wu
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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John E. Pak
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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Stephen L. Hauser
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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  • ORCID record for Stephen L. Hauser
Wendell Lim
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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Michael R. Wilson
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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Scott S. Zamvil
From the Department of Neurology (S.G., S.A.S., C.S., R.D., S.L.H., M.R.W., S.S.Z.), Weill Institute for Neurosciences, University of California San Francisco, CA; Department of Cellular Molecular Pharmacology (M.S., J.D., W.L.), University of California San Francisco Cell Design Institute, CA; Veterans Affairs Health Care System (R.A.S.), Department of Pathology, Stanford University School of Medicine, CA; Departments of Neurology and Pathology and Immunology (G.F.W.), Washington University in St. Louis, MO; and Chan Zuckerberg Biohub (W.W., J.E.P.), San Francisco, CA.
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Full PDF
Citation
CAR-T Cell–Mediated B-Cell Depletion in Central Nervous System Autoimmunity
Sasha Gupta, Milos Simic, Sharon A. Sagan, Chanelle Shepherd, Jason Duecker, Raymond A. Sobel, Ravi Dandekar, Gregory F. Wu, Wesley Wu, John E. Pak, Stephen L. Hauser, Wendell Lim, Michael R. Wilson, Scott S. Zamvil
Neurol Neuroimmunol Neuroinflamm Mar 2023, 10 (2) e200080; DOI: 10.1212/NXI.0000000000200080

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Abstract

Background and Objectives Anti-CD20 monoclonal antibody (mAb) B-cell depletion is a remarkably successful multiple sclerosis (MS) treatment. Chimeric antigen receptor (CAR)-T cells, which target antigens in a non-major histocompatibility complex (MHC)–restricted manner, can penetrate tissues more thoroughly than mAbs. However, a previous study indicated that anti-CD19 CAR-T cells can paradoxically exacerbate experimental autoimmune encephalomyelitis (EAE) disease. We tested anti-CD19 CAR-T cells in a B-cell–dependent EAE model that is responsive to anti-CD20 B-cell depletion similar to the clinical benefit of anti-CD20 mAb treatment in MS.

Methods Anti-CD19 CAR-T cells or control cells that overexpressed green fluorescent protein were transferred into C57BL/6 mice pretreated with cyclophosphamide (Cy). Mice were immunized with recombinant human (rh) myelin oligodendrocyte protein (MOG), which causes EAE in a B-cell–dependent manner. Mice were evaluated for B-cell depletion, clinical and histologic signs of EAE, and immune modulation.

Results Clinical scores and lymphocyte infiltration were reduced in mice treated with either anti-CD19 CAR-T cells with Cy or control cells with Cy, but not with Cy alone. B-cell depletion was observed in peripheral lymphoid tissue and in the CNS of mice treated with anti-CD19 CAR-T cells with Cy pretreatment. Th1 or Th17 populations did not differ in anti-CD19 CAR-T cell, control cell-treated animals, or Cy alone.

Discussion In contrast to previous data showing that anti-CD19 CAR-T cell treatment exacerbated EAE, we observed that anti-CD19 CAR-T cells ameliorated EAE. In addition, anti-CD19 CAR-T cells thoroughly depleted B cells in peripheral tissues and in the CNS. However, the clinical benefit occurred independently of antigen specificity or B-cell depletion.

Glossary

BM=
bone marrow;
CAR=
chimeric antigen receptor;
Cy=
cyclophosphamide;
DEG=
differentially expressed gene;
EAE=
experimental autoimmune encephalomyelitis;
GFP=
green fluorescent protein;
IP=
intraperitoneal;
mAb=
monoclonal antibody;
MHC=
major histocompatibility complex;
MOG=
myelin oligodendrocyte protein;
MSVG=
mouse stem cell virus–based splice-gag vector;
UCSF=
University of California, San Francisco

Footnotes

  • Go to Neurology.org/NN for full disclosures. Funding information is provided at the end of the article.

  • ↵* These authors are co-senior authors.

  • Submitted and externally peer reviewed. The handling editor was Editor Josep O. Dalmau, MD, PhD, FAAN.

  • Received October 7, 2022.
  • Accepted in final form November 7, 2022.
  • Copyright © 2023 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.

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