Cited by 996NF-κB Signaling PathwaysBone Metabolism and DiseasesT-cell and B-cell Immunology

Requirement for NF-κB in osteoclast and B-cell development

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Franzoso, Guido, Carlson, Louise, Xing, Lianping, Poljak, Ljiljana, Shores, Elizabeth W., Brown, Keith D., Leonardi, Antonio, Tran, Tom +2 more·1997·Genes & Development

Abstract

NF-κB is a family of related, dimeric transcription factors that are readily activated in cells by signals associated with stress or pathogens. These factors are critical to host defense, as demonstrated previously with mice deficient in individual subunits of NF-κB. We have generated mice deficient in both the p50 and p52 subunits of NF-κB to reveal critical functions that may be shared by these two highly homologous proteins. We now demonstrate that unlike the respective single knockout mice, the p50/p52 double knockout mice fail to generate mature osteoclasts and B cells, apparently because of defects that track with these lineages in adoptive transfer experiments. Furthermore, these mice present markedly impaired thymic and splenic architectures and impaired macrophage functions. The blocks in osteoclast and B-cell maturation were unexpected. Lack of mature osteoclasts caused severe osteopetrosis, a family of diseases characterized by impaired osteoclastic bone resorption. These findings now establish critical roles for NF-κB in development and expand its repertoire of roles in the physiology of differentiated hematopoietic cells.

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  1. Franzoso, G., L. Carlson, L. Poljak, E.W. Shores, S. Epstein, A. Leonardi, A. Grinberg, T. Tran, T. Scharton-Kersten, M. An- ver, P. Love, K. Brown, and U. Siebenlist. 1998. Mice defi- cient in NF-B/p52 present with deficits in humoral re- sponses, germinal center reactions and splenic microarchi- tecture. J. Exp. Med. (in press).

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Authors
Franzoso, G., Carlson, L., Xing, L., Poljak, L., Shores, E. W., Brown, K. D., Leonardi, A., Tran, T., Boyce, B. F., & Siebenlist, U.
Affiliations
National Institutes of Health (US)
Venue
Genes & Development
Published
1997-12-15
Volume
11
Issue
24
Pages
3482-3496
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2049293744
Cited by
996
References
86
Citations by year
2026: 9 · 2025: 7 · 2024: 17 · 2023: 17 · 2022: 16 · 2021: 31 · 2020: 29 · 2019: 27 · 2018: 29 · 2017: 28 · 2016: 28 · 2015: 50 · 2014: 37 · 2013: 34 · 2012: 46
Type
posted content
Language
en
Open access
Locations
  • Genes & Development (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (AR 43510, R01AR043510)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
NF-κB, p50 subunit, double knockout mice, osteoclastogenesis, B cell development, osteopetrosis, bone resorption, thymic architecture, splenic architecture, macrophage function, hematopoietic differentiation, transcription factors
MeSH terms
Animals, B-Lymphocytes, Macrophages, Mice, Inbred Strains, Mice, Mutant Strains, Osteoclasts, Osteopetrosis, Spleen, Thymus Gland, NF-kappa B, Mice, Knockout, Mice, NF-kappa B p50 Subunit

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