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July 2020; 7 (4) ArticleOpen Access

Two neurologic facets of CTLA4-related haploinsufficiency

Xavier Ayrignac, Radjiv Goulabchand, Eric Jeziorski, Patricia Rullier, Clarissa Carra-Dallière, Claire Lozano, Pierre Portales, Thierry Vincent, Jean François Viallard, Nicolas Menjot de Champfleur, Frédéric Rieux-Laucat, Caroline Besnard, Michel Koenig, Claire Guissart, Pierre Labauge, Philippe Guilpain
First published June 4, 2020, DOI: https://doi.org/10.1212/NXI.0000000000000751
Xavier Ayrignac
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Radjiv Goulabchand
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Eric Jeziorski
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Patricia Rullier
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Clarissa Carra-Dallière
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Claire Lozano
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Pierre Portales
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Thierry Vincent
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Jean François Viallard
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Nicolas Menjot de Champfleur
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Frédéric Rieux-Laucat
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Caroline Besnard
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Michel Koenig
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Claire Guissart
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Pierre Labauge
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Philippe Guilpain
From the Department of Neurology (X.A., C.C.-D., P.L.), Montpellier University Hospital, INSERM, Univ Montpellier, Montpellier; Internal Medicine Department (R.G.), Caremeau University Hospital, Nimes; Department of Paediatrics (E.J.), Montpellier University Hospital, INSERM, Univ Montpellier; Médecine interne multi-organes (P.R., P.G.), Montpellier University Hospital, INSERM, Univ Montpellier; Department of Immunology (C.L., P.P., T.V.), Montpellier University Hospital, INSERM, Univ Montpellier; Internal Medicine Department (J.F.V.), Bordeaux University Hospital, Univ Bordeaux; Department of Neuroradiology (N.M.C.), Montpellier University Hospital, INSERM, Univ Montpellier; Université de Paris (F.R.-L., C.B.), Imagine institute, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris; and Laboratory of Molecular Genetics (M.K., C.G.), Montpellier University Hospital, INSERM, Univ Montpellier, France.
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Citation
Two neurologic facets of CTLA4-related haploinsufficiency
Xavier Ayrignac, Radjiv Goulabchand, Eric Jeziorski, Patricia Rullier, Clarissa Carra-Dallière, Claire Lozano, Pierre Portales, Thierry Vincent, Jean François Viallard, Nicolas Menjot de Champfleur, Frédéric Rieux-Laucat, Caroline Besnard, Michel Koenig, Claire Guissart, Pierre Labauge, Philippe Guilpain
Neurol Neuroimmunol Neuroinflamm Jul 2020, 7 (4) e751; DOI: 10.1212/NXI.0000000000000751

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Abstract

Objective To describe the clinical and radiologic neurologic characteristics of patients with cytotoxic T-lymphocyte antigen-4 (CTLA4) haploinsufficiency.

Methods Three patients from 2 families had neurologic manifestations in the context of CTLA4 haploinsufficiency. Their clinical and MRI findings are presented.

Results A 16-year-old boy with a previous diagnosis of combined immunodeficiency presented with severe recurrent episodes of headaches, motor deficit, and seizures associated with waxing and waning gadolinium-enhancing FLAIR cortical/juxtacortical hyperintensities. His sister, who also had combined immunodeficiency, had a brain MRI when she was aged 13 years due to recent headaches and transient right hemianopsia. It revealed a gadolinium-enhancing left occipital white matter hyperintensity. Another 49-year-old woman had progressive visual loss and cerebellar ataxia in the context of recurrent pulmonary infections. All 3 patients were found to have inherited CTLA4 haploinsufficiency. Patient 1's general condition and neurologic manifestations were completely controlled with abatacept (CTLA4-Ig).

Conclusions These cases suggest that in addition to the variable clinical penetrance and wide spectrum of CTLA4 haploinsufficiency, its neurologic spectrum is broad, ranging from recurrent tumefactive lesions to progressive deficits including cerebellar ataxia and optic atrophy with leukoencephalopathy. These phenotypes must be recognized, and should lead to a complete immunologic workup, because potentially effective targeted immunotherapy exists.

Glossary

CTLA4=
cytotoxic T-lymphocyte antigen-4;
ITP=
immune thrombocytopenia

Footnotes

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

  • ↵* X. Ayrignac and R. Goulabchand contributed equally to this manuscript as first coauthors.

  • The Article Processing Charge was funded by the authors.

  • Received March 26, 2020.
  • Accepted in final form April 15, 2020.
  • 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.

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