Cited by 359Cytokine Signaling Pathways and InteractionsProtein Kinase Regulation and GTPase SignalingProtein Tyrosine Phosphatases

The DOI matches its Crossref record; 48 of the 48 references it cites were found in a registry or an index.

Activation and Association of Stat3 with Src in v-Src-Transformed Cell Lines

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Cao, Xinmin, Tay, Agnes, Guy, Graeme R., Tan, Y. H.·1996·Molecular and Cellular Biology

Abstract

STAT proteins are a group of latent cytoplasmic transcription factors which function as signal transducers and activators of transcription. Stat1 and -2 were originally identified to function in interferon signaling, and Stat1 was also found to be activated by epidermal growth factor (EGF) and other cytokines. New members of the STAT gene family are identified. Among them, Stat3 has 52.5% amino acid sequence homology with Stat1 and is activated by platelet-derived growth factor (PDGF), colony-stimulating factor 1 (CSF-1), EGF, interleukin-6, and other cytokines. Treatment of cells with EGF activates Stat1 and Stat3, which become phosphorylated on tyrosine residues to form homo - or heterodimers and translocate into the nucleus, binding to the sis-inducible element (SIE) in the c-fos promoter. Somatic cell genetic analyses demonstrated that Jaks, a family of nontransmembrane protein tyrosine kinases, are required for the activation of Stat1 and Stat2 in interferon-treated cells. However, little is known about the activation of Stat3 by growth factors. Here we report that in all v-Src-transformed cell lines examined, Stat3 is constitutively activated to bind to DNA and the phosphorylation of tyrosine on Stat3 is enhanced by the induction of v-Src expression. We also report that Src is shown to be associated with Stat3 in vivo, as well as in vitro, and phosphorylates Stat3 in vitro. Stat3 is also activated by CSF-1, possibly through CSF-1 receptor-c Src association in NIH 3T3 cells overexpressing CSF-1 receptors. Together, the data suggest that Src is involved in activation of Stat3 in growth factor signal transduction.

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Research works printed but not linked: 4

  1. 10.1128/MCB.13.3.1464 · DOI
  2. Muthuswamy S. K., 1995, Oncogene, 11, 1801
  3. ven der Geer P., 1991, Mol. Cell. Biol., 11, 4698
  4. Vignais, M. L., H. B. Sadowski, and M. Z. Gilman. 1995. Activation of STAT proteins by growth factors, A1-368, p. 64. In Abstracts Supplement 19A of the Journal of Cellular Biochemistry 24th Annual Keystone Symposia.

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Metadata

Authors
Cao, X., Tay, A., Guy, G. R., & Tan, Y. H.
Affiliations
National University of Singapore (SG)
Venue
Molecular and Cellular Biology
Published
1996-04-01
Volume
16
Issue
4
Pages
1595-1603
ISSN
  • 0270-7306 (ISSN-L)
  • 1098-5549
OpenAlex
W2135055828
Cited by
359
References
48
Citations by year
2026: 1 · 2025: 2 · 2024: 2 · 2023: 4 · 2021: 6 · 2020: 4 · 2019: 2 · 2018: 4 · 2017: 5 · 2016: 7 · 2015: 8 · 2014: 13 · 2013: 7 · 2012: 14
FWCI
13.79
Type
journal article
Language
en
Open access
Locations
  • Molecular and Cellular Biology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • National University of Singapore (submittedVersion)
Funders
National Science Board
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Cytokine Signaling Pathways and Interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Tyrosine Phosphatases
Keywords
STAT3, Src kinase, v-Src, tyrosine phosphorylation, STAT3 activation, protein-protein interaction, CSF-1 receptor, colony-stimulating factor 1, growth factor signaling, JAK kinases, interferon signaling, STAT1, STAT2, transcription factor dimerization, 3T3 fibroblasts
MeSH terms
Animals, Cell Line, Transformed, DNA-Binding Proteins, Enzyme Activation, Epidermal Growth Factor, Phosphorylation, Platelet-Derived Growth Factor, Trans-Activators, Gene Expression, Macrophage Colony-Stimulating Factor, Receptors, Colony-Stimulating Factor, Genes, src, 3T3 Cells, src-Family Kinases, STAT3 Transcription Factor, Mice

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