Partial IFN-γR2 deficiency is due to protein misfolding and can be rescued by inhibitors of glycosylation

Author:

Moncada-Vélez Marcela12,Martinez-Barricarte Rubén1,Bogunovic Dusan1,Kong Xiao-Fei1,Blancas-Galicia Lizbeth3,Tirpan Cengiz4,Aksu Guzide5,Vincent Quentin B.67,Boisson Bertrand1,Itan Yuval1,Ramírez-Alejo Noé8,Okada Satoshi1,Kreins Alexandra Y.1,Bryant Vanessa L.1,Franco Jose Luis2,Migaud Mélanie67,Espinosa-Padilla Sara3,Yamazaki-Nakashimada Marco9,Espinosa-Rosales Francisco3,Kutukculer Necil5,Abel Laurent167,Bustamante Jacinta6710,Vogt Guillaume167,Casanova Jean-Laurent167,Boisson-Dupuis Stéphanie167

Affiliation:

1. St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY;

2. Group of Primary Immunodeficiencies, Institute of Biology, University of Antioquia UdeA, Medellín, Colombia;

3. Immunodeficiency Research Unit, National Institute of Pediatrics, Mexico City, Mexico;

4. Mardin Park Hospital, Mardin, Turkey;

5. Department of Pediatric Immunology, Ege University School of Medicine, Izmir, Turkey;

6. Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U980, Paris, France;

7. University Paris Descartes, Sorbornne Paris Cité, Imagine Institute, Paris, France;

8. Department of Molecular Biomedicine, CINVESTAV-IPN, Mexico City, Mexico;

9. Clinical Immunology Service of the National Institute of Pediatrics, Mexico City, Mexico; and

10. Center for the Study of Primary Immunodeficiencies, Assistance Publique-Hôpitaux de Paris, Necker Hospital, Paris, France

Abstract

Key Points Hypomorphic IFNGR2 alleles encode misfolded proteins with abnormal N-glycosylation. Chemical modifiers of N-glycosylation effectively complemented the patients’ response to IFN-γ.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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