PreprintCited by 242Genomics and Chromatin Dynamicsinterferon and immune responsesT-cell and B-cell Immunology

The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.

Pip, a lymphoid-restricted IRF, contains a regulatory domain that is important for autoinhibition and ternary complex formation with the Ets factor PU.1.

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Brass, A L, Kehrli, E, Eisenbeis, C F, Storb, U, Singh, H·1996·Genes & Development

Abstract

Pip is a lymphoid-restricted IRF transcription factor that is recruited to composite elements within immunoglobulin light-chain gene enhancers through a specific interaction with the Ets factor PU.1. We have examined the transcriptional regulatory properties of Pip as well as the requirements for its interaction with PU.1 and DNA to form a ternary complex. We demonstrate that Pip is a dichotomous regulator; it specifically stimulates transcription in conjunction with PU.1, but represses alpha/beta-interferon-inducible transcription in the absence of PU.1. Thus, during B-cell activation and differentiation, Pip may function both as an activator to promote B cell-specific gene expression and as a repressor to inhibit the antiproliferative effects of alpha/beta-interferons. Mutational analysis of Pip reveals a carboxy-terminal segment that is important for autoinhibition of DNA binding and ternary complex formation. A domain of Pip containing this segment confers autoinhibition and PU.1-dependent binding activity to the DNA-binding domain of the related IRF family member, p48. On the basis of these and other data we propose a model for PU.1/Pip ternary complex formation.

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  1. 10.1101/gad.6.10.1899 · DOI
  2. McKnight, S. and Y. Yamamoto. 1992. Transcriptional regulation. Cold Spring Harbor Laboratory Press, Cold Spring Harbor, NY.

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Metadata

Authors
Brass, A. L., Kehrli, E., Eisenbeis, C. F., Storb, U., & Singh, H.
Affiliations
Howard Hughes Medical Institute (US)
Venue
Genes & Development
Published
1996-09-15
Volume
10
Issue
18
Pages
2335-2347
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2005606581
Cited by
242
References
49
Citations by year
2026: 4 · 2025: 8 · 2024: 4 · 2023: 3 · 2022: 5 · 2021: 5 · 2020: 6 · 2019: 7 · 2018: 4 · 2017: 6 · 2016: 4 · 2015: 6 · 2014: 7 · 2013: 15 · 2012: 11
Type
posted content
Language
en
Open access
Locations
  • Genes & Development (publishedVersion)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • York University
  • National Institutes of Health
  • U.S. Public Health Service (FM07183)
  • National Institute of General Medical Sciences (T32GM007281, GM-07281)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD-07009)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
Pip, interferon regulatory factors, PU.1, ETS transcription factors, ternary complex formation, autoinhibition, B cell activation, transcriptional repression, p48, DNA-binding domain
MeSH terms
Interferon Regulatory Factor-8, Interferon Regulatory Factor-4, Proto-Oncogene Protein Spi-1, Animals, B-Lymphocytes, Binding Sites, Carrier Proteins, DNA-Binding Proteins, Gene Expression Regulation, Interferon-gamma, Models, Molecular, Nucleic Acid Conformation, Protein Conformation, Proto-Oncogene Proteins, Regulatory Sequences, Nucleic Acid, Repressor Proteins, Transcription Factors, Transcription, Genetic, Trans-Activators, Interferon-alpha, Interferon-Stimulated Gene Factor 3, Interferon-Stimulated Gene Factor 3, gamma Subunit, Interferon Regulatory Factors, Mice

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