Cited by 60T-cell and B-cell ImmunologyGenomics and Chromatin DynamicsImmunodeficiency and Autoimmune Disorders

OCA-B regulation of B-cell development and function

Teitell, Michael A.·2003·Trends in Immunology

Abstract

The transcriptional co-activator OCA-B [for Oct co-activator from B cells, also known as OBF-1 (OCT-binding factor-1) and Bob1] is not required for B-cell genesis but does regulate subsequent B-cell development and function. OCA-B deficient mice show strain-specific, partial blocks at multiple stages of B-cell maturation and a complete disruption of germinal center formation in all strains, causing humoral immune deficiency and susceptibility to infection. OCA-B probably exerts its effects through the regulation of octamer-motif controlled gene expression. The OCA-B gene encodes two proteins of distinct molecular weight, designated p34 and p35. The p34 isoform localizes in the nucleus, whereas the p35 isoform is myristoylated and is bound to the cytoplasmic membrane. p35 can traffic to the nucleus and probably activates octamer-dependent transcription, although this OCA-B isoform might regulate B cells through membrane-related signal transduction.

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Crossref · 10.1016/j.it.2003.08.002

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Authors
Teitell, M. A.
Affiliations
University of California, Los Angeles (US)
Corresponding author
Teitell, Michael A.
Venue
Trends in Immunology
Publisher
Elsevier BV
Published
2003-10
Volume
24
Issue
10
Pages
546-553
ISSN
1471-4906 (ISSN-L)
OpenAlex
W1974662847
Cited by
60
References
79
Citations by year
2026: 2 · 2025: 2 · 2024: 5 · 2023: 3 · 2022: 5 · 2021: 4 · 2020: 2 · 2019: 7 · 2017: 4 · 2016: 3 · 2015: 2 · 2014: 1 · 2013: 3
FWCI
0.28
Type
journal article
Language
en
Open access
closed
Locations
  • Trends in Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5k08ca074929-04)
  • National Cancer Institute (CA 74929, R01CA090571, CA90571)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunodeficiency and Autoimmune Disorders
Keywords
OCA-B, BOB.1, B cell development, B cell maturation, germinal center formation, humoral immune deficiency, octamer motif, transcriptional coactivator, myristoylation, membrane-bound transcription factors, signal transduction
MeSH terms
Animals, Antibody Formation, B-Lymphocytes, Humans, Immune System, Signal Transduction, Trans-Activators

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