Cited by 813Immunodeficiency and Autoimmune DisordersT-cell and B-cell ImmunologyBlood disorders and treatments

Defective IL7R expression in T(-)B(+)NK(+) severe combined immunodeficiency

Puel, Anne, Ziegler, Steven F., Buckley, Rebecca H., Leonard., Warren J.·1998·Nature Genetics

Abstract

Severe combined immunodeficiency (SCID) is caused by multiple genetic defects. The most common form of SCID, X-linked SCID (XSCID), results from mutations in IL2RG (ref. 4), which encodes the common cytokine receptor gamma chain (gamma(c)) that is shared by the IL-2, IL-4, IL-7, IL-9 and IL-15 receptors. In XSCID and SCID resulting from mutations in JAK3, which encodes a Janus family tyrosine kinase that couples to gamma(c) and is required for gamma(c)-dependent signalling, T- and natural killer (NK)-cells are decreased but B-cell numbers are normal (T(-)B(+)NK(-)SCID). Some SCID patients lack T cells but retain NK cells. Given diminished T-cell development in Il7- or Il7r-deficient mice and that Il/7r-deficient mice have NK cells, we hypothesized that T(-)B(+)NK(+) SCID might result from defective IL-7 signalling, although apparent differences in the role of the IL-7/IL-7R pathway in humans and mice in T-cell and B-cell development have been suggested. We now demonstrate that defective IL7R expression causes T(-)B(+)NK(+) SCID, indicating that the T-cell, but not the NK-cell, defect in XSCID results from inactivation of IL-7Ralpha signalling.

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Crossref · 10.1038/3877

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Authors
Puel, A., Ziegler, S. F., Buckley, R. H., & Leonard., W. J.
Affiliations
  • National Institutes of Health (US)
  • Duke University (US)
Venue
Nature Genetics
Published
1998-12
Volume
20
Issue
4
Pages
394-397
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W1509163238
Cited by
813
References
29
Citations by year
2026: 7 · 2025: 15 · 2024: 14 · 2023: 20 · 2022: 22 · 2021: 24 · 2020: 24 · 2019: 28 · 2018: 26 · 2017: 22 · 2016: 31 · 2015: 35 · 2014: 30 · 2013: 37 · 2012: 57
FWCI
9.00
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunodeficiency and Autoimmune Disorders
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Blood disorders and treatments
Keywords
severe combined immunodeficiency, X-linked SCID, CD127, T cell development, natural killer cells, B cells, JAK3, IL2RG
MeSH terms
Animals, B-Lymphocytes, Base Sequence, Humans, Infant, Infant, Newborn, Killer Cells, Natural, Molecular Sequence Data, T-Lymphocytes, Signal Transduction, Polymerase Chain Reaction, Mutagenesis, Site-Directed, Severe Combined Immunodeficiency, DNA Primers, Receptors, Interleukin-7, Mice

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