Cited by 10Cytokine Signaling Pathways and InteractionsNF-κB Signaling Pathwaysinterferon and immune responses

IFNγ induces Bcl3 expression by JAK1/STAT1/p65 signaling, resulting in increased IL‐8 expression in ovarian cancer cells

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Gaire, Bijaya, Padmanabhan, Sveta, Zou, Yue, Uddin, Mohammad M., Reddy, Suprataptha U., Vancurova, Ivana·2023·FEBS Open Bio

Abstract

We have recently shown that IFNγ, produced during cancer therapy, induces expression of the Bcl3 proto‐oncogene in ovarian cancer (OC) cells, resulting in their increased proliferation, migration, and invasion, but the mechanisms are unknown. Here, we demonstrate that the IFNγ‐induced Bcl3 expression is dependent on JAK1 and STAT1 signaling, and on p65 NFκB. Furthermore, the IFNγ‐induced Bcl3 expression is associated with an increased occupancy of Ser‐727 phosphorylated STAT1 and acetylated histone H3 at the Bcl3 promoter. Our data indicate that Bcl3 promotes expression of the pro‐inflammatory chemokine interleukin‐8 (IL‐8) in OC cells. These findings identify Bcl3 as a novel target of IFNγ/JAK1/STAT1 signaling and suggest that targeting the JAK1/STAT1 pathway may suppress IFNγ‐induced Bcl3 expression in OC.

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Authors
Gaire, B., Padmanabhan, S., Zou, Y., Uddin, M. M., Reddy, S. U., & Vancurova, I.
Affiliations
  • St. John's University (US)
  • Department of Biological Sciences St. John's University New York NY USA
Corresponding author
Vancurova, Ivana
Venue
FEBS Open Bio
Publisher
Wiley
Published
2023-07-18
Volume
13
Issue
8
Pages
1495-1506
ISSN
2211-5463 (ISSN-L)
OpenAlex
W4375855629
Cited by
10
References
55
Citations by year
2026: 4 · 2025: 2 · 2024: 4
FWCI
1.21
Type
journal article
Language
en
Open access
Locations
  • FEBS Open Bio (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
National Cancer Institute (CA202775)
Topics
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
Keywords
interferon-gamma, boron trichloride, ovarian cancer, JAK1/STAT1 signaling, NF-κB p65, interleukin-8, histone H3 acetylation, chemokine expression
MeSH terms
Female, Humans, Interferon-gamma, Ovarian Neoplasms, Signal Transduction, Interleukin-8, NF-kappa B, STAT1 Transcription Factor, Janus Kinase 1

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