Cited by 233interferon and immune responsesCytokine Signaling Pathways and InteractionsGenomics and Chromatin Dynamics

A molecular switch from STAT2-IRF9 to ISGF3 underlies interferon-induced gene transcription

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Platanitis, Ekaterini, Demiroz, Duygu, Schneller, Anja, Fischer, Katrin, Capelle, Christophe, Hartl, Markus, Gossenreiter, Thomas, Müller, Mathias +2 more·2019·Nature Communications

Abstract

Cells maintain the balance between homeostasis and inflammation by adapting and integrating the activity of intracellular signaling cascades, including the JAK-STAT pathway. Our understanding of how a tailored switch from homeostasis to a strong receptor-dependent response is coordinated remains limited. Here, we use an integrated transcriptomic and proteomic approach to analyze transcription-factor binding, gene expression and in vivo proximity-dependent labelling of proteins in living cells under homeostatic and interferon (IFN)-induced conditions. We show that interferons (IFN) switch murine macrophages from resting-state to induced gene expression by alternating subunits of transcription factor ISGF3. Whereas preformed STAT2-IRF9 complexes control basal expression of IFN-induced genes (ISG), both type I IFN and IFN-γ cause promoter binding of a complete ISGF3 complex containing STAT1, STAT2 and IRF9. In contrast to the dogmatic view of ISGF3 formation in the cytoplasm, our results suggest a model wherein the assembly of the ISGF3 complex occurs on DNA.

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  • The wider footprints correspond to ISGF3 trimer binding and are consistent with the known structure and DNA contacts of ISGF3 and its subunits.

    “Together, these findings imply that the wider footprints (due to increased steric blockage of methylation at ISREs) correspond to ISGF3 trimer binding and are consistent with the known structure and DNA contacts of ISGF3 and its subunits40,41”

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  1. [55]Mariani, M. et al. RNASeq analysis identifies non-canonical role of STAT2 and IRF9 in the regulation of a STAT1-independent antiviral and immunoregulatory transcriptional program induced by IFNβ and TNFα. Preprint at https://www.biorxiv.org/content/10.1101/273623v1 (2018). · DOI

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Authors
Platanitis, E., Demiroz, D., Schneller, A., Fischer, K., Capelle, C., Hartl, M., Gossenreiter, T., Müller, M., Novatchkova, M., & Decker, T.
Affiliations
  • University of Vienna (AT)
  • University of Veterinary Medicine Vienna (AT)
  • Institute of Molecular Biotechnology (AT)
Corresponding author
Decker, Thomas
Venue
Nature Communications
Published
2019-07-02
Volume
10
Issue
1
Pages
2921-2921
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2955932976
Cited by
233
References
83
Citations by year
2026: 46 · 2025: 28 · 2024: 35 · 2023: 39 · 2022: 35 · 2021: 28 · 2020: 16 · 2019: 6
FWCI
8.57
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Austrian Science Fund (P 25186-B22, SFB F6103)
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, STAT1, IRF9, JAK/STAT signaling, type I interferon, interferon-gamma, macrophages, transcription factor binding, promoter binding
MeSH terms
RAW 264.7 Cells, Animals, Female, Gene Expression Regulation, Humans, Interferons, Macrophages, Male, Mice, Inbred C57BL, Promoter Regions, Genetic, Transcription, Genetic, Mice, Knockout, STAT1 Transcription Factor, STAT2 Transcription Factor, Interferon-Stimulated Gene Factor 3, Interferon-Stimulated Gene Factor 3, gamma Subunit, Mice

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