Cited by 196Cytokine Signaling Pathways and InteractionsProtein Tyrosine PhosphatasesNF-κB Signaling Pathways

LPS and TNFα induce SOCS3 mRNA and inhibit IL‐6‐induced activation of STAT3 in macrophages

Bode, Johannes G., Nimmesgern, Ariane, Schmitz, Jochen, Schaper, Fred, Schmitt, Marcus, Frisch, Wiltrud, Häussinger, Dieter, Heinrich, Peter C. +1 more·1999·FEBS Letters

Abstract

Recent findings indicate that cytokine signaling can be modulated by other mediators of simultaneously activated signal transduction pathways. In this study we show that LPS and TNFα are potent inhibitors of IL‐6‐mediated STAT3 activation in human monocyte derived macrophages, rat liver macrophages and RAW 264.7 mouse macrophages but not in human hepatoma cells (HepG2) or in rat hepatocytes. Accordingly, LPS and TNFα were found to induce the expression of SOCS3 mRNA in each of the investigated type of macrophages but not in HepG2 cells. Using a specific inhibitor, evidence is presented that the p38 MAP kinase might be involved, especially for the inhibitory effect of TNFα.

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Crossref · 10.1016/s0014-5793(99)01662-2

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24 of 31 references verified0 citation errors · 0 not checkable

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  • Both hepatocytes in vivo and in culture respond to IL-6 treatment in a similar manner, with only STAT-3 homodimers (SIF A) found.

    “Moreover, both hepatocytes in vivo and in culture respond to IL-6 treatment in a similar manner; that is, only STAT-3 homodimers (SIF A) are found (unpublished observations and ref. 30).”
  • In the human hepatoma cell line HepG2, SIF A, B (STAT-3:STAT-1), and C (STAT-1:STAT-1) DNA complexes are all detected after IL-6 treatment.

    “One notable exception is the human hepatoma cell line, HepG2 (Figure 1c), where SIF A, B (STAT-3:STAT-1), and C (STAT-1:STAT-1) DNA complexes are all detected after IL-6 treatment (30).”

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Authors
Bode, J. G., Nimmesgern, A., Schmitz, J., Schaper, F., Schmitt, M., Frisch, W., Häussinger, D., Heinrich, P. C., & Graeve, L.
Affiliations
  • Universitätsklinikum Aachen (DE)
  • RWTH Aachen University (DE)
  • Düsseldorf University Hospital (DE)
Venue
FEBS Letters
Publisher
Wiley
Published
1999-12-17
Volume
463
Issue
3
Pages
365-370
ISSN
  • 0014-5793 (ISSN-L)
  • 1873-3468
OpenAlex
W2000974116
Cited by
196
References
31
Citations by year
2024: 6 · 2023: 2 · 2021: 3 · 2020: 8 · 2019: 5 · 2018: 2 · 2017: 7 · 2016: 6 · 2015: 5 · 2014: 10 · 2013: 6 · 2012: 13
FWCI
3.58
Type
journal article
Language
en
Open access
closed
Locations
  • FEBS Letters (publishedVersion)
  • PubMed (publishedVersion)
  • RWTH Publications (RWTH Aachen) (submittedVersion)
Topics
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Tyrosine Phosphatases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
Keywords
SOCS3, STAT3 activation, IL-6 signaling, lipopolysaccharide, TNF-α, macrophages, p38 MAPK, hepatic macrophages, hepatocytes
MeSH terms
Interleukin-6 Inhibitors, Animals, Cell Line, DNA-Binding Proteins, Gene Expression Regulation, Humans, Kupffer Cells, Lipopolysaccharides, Liver, Macrophages, Male, Tumor Cells, Cultured, Tumor Necrosis Factor-alpha, Signal Transduction, Trans-Activators, Genes, Suppressor, Rats, Wistar, Mitogen-Activated Protein Kinases, p38 Mitogen-Activated Protein Kinases, STAT3 Transcription Factor, Mice, Rats

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