Hypomorphic Rag1 mutations alter the preimmune repertoire at early stages of lymphoid development

Author:

Ott de Bruin L. M.12,Bosticardo M.3,Barbieri A.4,Lin S. G.5,Rowe J. H.1,Poliani P. L.6,Ching K.4,Eriksson D.7,Landegren N.7,Kämpe O.7,Manis J. P.4ORCID,Notarangelo L. D.3ORCID

Affiliation:

1. Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, MA;

2. Department of Pediatric Immunology, Wilhelmina Children’s Hospital, Utrecht University Medical Center, Utrecht, The Netherlands;

3. Laboratory of Clinical Immunology and Microbiology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD;

4. Department of Laboratory Medicine, Boston Children’s Hospital, Harvard Medical School, Boston, MA;

5. Program in Cellular and Molecular Medicine, Boston Children’s Hospital, Boston, MA;

6. Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy; and

7. Center for Molecular Medicine, Department of Medicine (Solna), Karolinska Institutet, Stockholm, Sweden

Abstract

Key PointsMice with hypomorphic mutations in the Rag1 C-terminal domain are a model of leaky combined immunodeficiency with autoantibodies. Hypomorphic C-terminal domain Rag1 mutations cause repertoire skewing at the earliest stages of B- and T-cell development.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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