Cited by 69Cytokine Signaling Pathways and InteractionsTGF-β signaling in diseasesTelomeres, Telomerase, and Senescence

DNA damage induces the IL-6/STAT3 signaling pathway, which has anti-senescence and growth-promoting functions in human tumors

Yun, Un Jung, Park, Sang Eun, Jo, Yong Sam, Kim, Jungbin, Shin, Deug Y.·2012·Cancer Letters

Abstract

IL-6 is a multifunctional cytokine that is important for immune responses, cell survival, apoptosis, and proliferation. However, little is known about the correlation between the IL-6 signaling pathway and DNA damage in human tumors. The present study demonstrates the role of the IL-6/STAT3 signaling pathway in human tumor cells exposed to DNA damage. Tumor cells exposed to DNA damage increase the expression and secretion of IL-6 and the phosphorylation of JAK1 and STAT3. The activation of the JAK1-STAT3 signaling pathway is inhibited by knockdown of gp130 or neutralization of soluble IL-6, implying that DNA damage induces the phosphorylation of JAK1 and STAT3 by autocrine IL-6. Interestingly, inhibition of the IL-6/STAT3 signaling pathway impairs the growth of tumor cells exposed to DNA damage and results in the induction of senescence. Therefore, the present study suggests that IL-6 inhibits senescence but promotes the survival and proliferation of tumor cells exposed to DNA damage through the activation of the JAK1-STAT3 signaling pathway.

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Crossref · 10.1016/j.canlet.2012.04.003

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Authors
Yun, U. J., Park, S. E., Jo, Y. S., Kim, J., & Shin, D. Y.
Affiliations
  • Seoul National University (KR)
  • Dankook University (KR)
Corresponding author
Shin, Deug Y.
Venue
Cancer Letters
Publisher
Elsevier BV
Published
2012-10
Volume
323
Issue
2
Pages
155-160
ISSN
0304-3835 (ISSN-L)
OpenAlex
W1989338259
Cited by
69
References
30
Citations by year
2025: 6 · 2024: 4 · 2023: 4 · 2022: 1 · 2021: 5 · 2020: 7 · 2019: 7 · 2018: 6 · 2017: 7 · 2016: 4 · 2015: 4 · 2014: 5 · 2013: 9
FWCI
2.85
Type
journal article
Language
en
Open access
closed
Locations
  • Cancer Letters (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministry of Education, Science and Technology
  • Ministry of Health and Welfare
  • National Research Foundation of Korea
Topics
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › TGF-β signaling in diseases
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
Keywords
interleukin-6, STAT3, JAK1, DNA damage, tumor cell senescence, gp130, tumor cell proliferation, tumor cell survival
MeSH terms
Base Sequence, Cell Division, DNA Damage, Humans, Neoplasms, Interleukin-6, Cellular Senescence, DNA Primers, Gene Silencing, Cell Line, Tumor, STAT3 Transcription Factor

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