Suppression of IgE-mediated anaphylaxis and food allergy with monovalent anti-FcεRIα mAbs.


Journal

The Journal of allergy and clinical immunology
ISSN: 1097-6825
Titre abrégé: J Allergy Clin Immunol
Pays: United States
ID NLM: 1275002

Informations de publication

Date de publication:
05 2021
Historique:
received: 29 08 2020
revised: 20 10 2020
accepted: 30 10 2020
pubmed: 17 12 2020
medline: 25 9 2021
entrez: 16 12 2020
Statut: ppublish

Résumé

Mast cell and basophil activation by antigen cross-linking of FcεRI-bound IgE is central to allergy pathogenesis. We previously demonstrated global suppression of this process by rapid desensitization with anti-FcεRIα mAbs. We sought to determine whether use of monovalent (mv) anti-FcεRIα mAbs increases desensitization safety without loss of efficacy. mv anti-human (hu) FcεRIα mAbs were produced with mouse-derived immunoglobulin variable regions and huIgG mv anti-hu FcεRIα mAbs are considerably less able than divalent mAbs are to induce anaphylaxis and deplete mast cell and basophil IgE, but mv mAbs still strongly suppress IgE-mediated disease. The mv mAbs can be safely administered as a single large dose to mice with typical susceptibility to anaphylaxis, while a rapid desensitization approach safely suppresses disease in mice with increased susceptibility. Our huIgG mv anti-FcεRIα mAbs more safely suppress IgE-mediated anaphylaxis and food allergy than divalent variants of the same mAbs do. These mv mAbs may be useful for suppression of huIgE-mediated disease.

Sections du résumé

BACKGROUND
Mast cell and basophil activation by antigen cross-linking of FcεRI-bound IgE is central to allergy pathogenesis. We previously demonstrated global suppression of this process by rapid desensitization with anti-FcεRIα mAbs.
OBJECTIVES
We sought to determine whether use of monovalent (mv) anti-FcεRIα mAbs increases desensitization safety without loss of efficacy.
METHODS
mv anti-human (hu) FcεRIα mAbs were produced with mouse-derived immunoglobulin variable regions and huIgG
RESULTS
mv anti-hu FcεRIα mAbs are considerably less able than divalent mAbs are to induce anaphylaxis and deplete mast cell and basophil IgE, but mv mAbs still strongly suppress IgE-mediated disease. The mv mAbs can be safely administered as a single large dose to mice with typical susceptibility to anaphylaxis, while a rapid desensitization approach safely suppresses disease in mice with increased susceptibility. Our huIgG
CONCLUSIONS
mv anti-FcεRIα mAbs more safely suppress IgE-mediated anaphylaxis and food allergy than divalent variants of the same mAbs do. These mv mAbs may be useful for suppression of huIgE-mediated disease.

Identifiants

pubmed: 33326804
pii: S0091-6749(20)31729-2
doi: 10.1016/j.jaci.2020.10.045
pmc: PMC8215870
mid: NIHMS1713205
pii:
doi:

Substances chimiques

Anti-Allergic Agents 0
Antibodies, Monoclonal 0
Immunoglobulin G 0
Receptors, IgE 0
Immunoglobulin E 37341-29-0
Syk Kinase EC 2.7.10.2
Syk protein, mouse EC 2.7.10.2
Inpp5d protein, mouse EC 3.1.3.86
Phosphatidylinositol-3,4,5-Trisphosphate 5-Phosphatases EC 3.1.3.86

Types de publication

Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

1838-1854.e4

Subventions

Organisme : NIDDK NIH HHS
ID : R01 DK116789
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI145991
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI130103
Pays : United States
Organisme : NIDDK NIH HHS
ID : P30 DK078392
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI113162
Pays : United States

Informations de copyright

Copyright © 2020 American Academy of Allergy, Asthma & Immunology. Published by Elsevier Inc. All rights reserved.

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Auteurs

Marat V Khodoun (MV)

Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio.

Suzanne C Morris (SC)

Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio.

Wen-Hai Shao (WH)

Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio.

Crystal Potter (C)

Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio.

Elizabeth Angerman (E)

Division of Immunobiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.

Artem Kiselev (A)

Institute of Cytology, Russian Academy of Sciences, Saint Petersburg, Russia.

Alexander E Yarawsky (AE)

Division of Immunobiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.

Andrew B Herr (AB)

Division of Immunobiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Division of Infectious Diseases, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.

Katja Klausz (K)

Division of Stem Cell Transplantation and Immunotherapy, University Hospital Schleswig-Holstein, University of Kiel, Kiel, Germany.

Anna Otte (A)

Division of Stem Cell Transplantation and Immunotherapy, University Hospital Schleswig-Holstein, University of Kiel, Kiel, Germany.

Matthias Peipp (M)

Division of Stem Cell Transplantation and Immunotherapy, University Hospital Schleswig-Holstein, University of Kiel, Kiel, Germany.

Fred D Finkelman (FD)

Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio; Division of Immunobiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio. Electronic address: finkelfd@ucmail.uc.edu.

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Classifications MeSH