Cited by 411interferon and immune responsesCytokine Signaling Pathways and InteractionsGenomics and Chromatin Dynamics

Complementation of a mutant cell line: central role of the 91 kDa polypeptide of ISGF3 in the interferon‐alpha and ‐gamma signal transduction pathways.

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Müller, M., Laxton, C., Briscoe, J., Schindler, C., Improta, T., Darnell, J.E., Stark, G.R., Kerr, I.M.·1993·The EMBO Journal

Abstract

Mutants in complementation group U3, completely defective in the response of all genes tested to interferons (IFNs) alpha and gamma, do not express the 91 and 84 kDa polypeptide components of interferon-stimulated gene factor 3 (ISGF3), a transcription factor known to play a primary role in the IFN-alpha response pathway. The 91 and 84 kDa polypeptides are products of a single gene. They result from differential splicing and differ only in a 38 amino acid extension at the C-terminus of the 91 kDa polypeptide. Complementation of U3 mutants with cDNA constructs expressing the 91 kDa product at levels comparable to those observed in induced wild-type cells completely restored the response to both IFN-alpha and -gamma and the ability to form ISGF3. Complementation with the 84 kDa component similarly restored the ability to form ISGF3 and, albeit to a lower level, the IFN-alpha response of all genes tested so far. It failed, however, to restore the IFN-gamma response of any gene analysed. The precise nature of the DNA motifs and combination of factors required for the transcriptional response of all genes inducible by IFN-alpha and -gamma remains to be established. The results presented here, however, emphasize the apparent general requirement of the 91 kDa polypeptide in the primary transcriptional response to both types of IFN.

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Research works printed but not linked: 12

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  12. Zimarino,W. and Wu,C. (1987) Nature, 327, 727-730. Received on May 13, 1993; revised on July 1, 1993 14602075, 1993, 11, Downloaded from https://www.embopress.org/doi/10.1002/j.1460-2075.1993.tb06106.x, Wiley Online Library on [19/08/2023]. See the Terms and Conditions (https://onlinelibrary.wiley.com/terms-and-conditions) on Wiley Online Library for rules of use; OA articles are governed by the applicable Creative Commons License

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Authors
Müller, M., Laxton, C., Briscoe, J., Schindler, C., Improta, T., Darnell, J. E., Stark, G. R., & Kerr, I. M.
Venue
The EMBO Journal
Published
1993-11-01
Volume
12
Issue
11
Pages
4221-4228
ISSN
  • 0261-4189 (ISSN-L)
  • 1460-2075
OpenAlex
W318497777
Cited by
411
References
0
Citations by year
2026: 2 · 2025: 5 · 2024: 1 · 2023: 2 · 2022: 5 · 2021: 5 · 2020: 5 · 2019: 4 · 2018: 5 · 2016: 8 · 2015: 2 · 2014: 9 · 2013: 10 · 2012: 6
FWCI
14.35
Type
journal article
Language
en
Open access
Locations
  • The EMBO Journal (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
European Molecular Biology Organization
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
ISGF3, interferon-alpha, interferon-gamma, interferon-stimulated genes, differential splicing, transcriptional response, mutant cell lines
MeSH terms
Base Sequence, Cell Line, DNA-Binding Proteins, Fibroblasts, Genetic Complementation Test, Humans, Interferon-gamma, Interferons, Molecular Sequence Data, Mutation, Protein Conformation, RNA, Messenger, Transcription Factors, Transcription, Genetic, Transfection, Signal Transduction, Interferon-alpha, Interferon-Stimulated Gene Factor 3, Interferon-Stimulated Gene Factor 3, gamma Subunit

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