Cited by 1,207Angiogenesis and VEGF in CancerCytokine Signaling Pathways and InteractionsLymphatic System and Diseases

Constitutive Stat3 activity up-regulates VEGF expression and tumor angiogenesis

Niu, Guilian, Wright, Kenneth L, Huang, Mei, Song, Lanxi, Haura, Eric, Turkson, James, Zhang, Shumin, Wang, Tianhong +9 more·2002·Oncogene

Abstract

Non-receptor and receptor tyrosine kinases, such as Src and EGF receptor (EGFR), are major inducers of vascular endothelial growth factor (VEGF), one of the most potent mediators of angiogenesis. While tyrosine kinases signal through multiple pathways, signal transducer and activation of transcription 3 (Stat3) is a point of convergence for many of these and is constitutively activated with high frequency in a wide range of cancer cells. Here, we show that VEGF expression correlates with Stat3 activity in diverse human cancer cell lines. An activated Stat3 mutant (Stat3C) up-regulates VEGF expression and stimulates tumor angiogenesis. Stat3C-induced VEGF up-regulation is abrogated when a Stat3-binding site in the VEGF promoter is mutated. Furthermore, interrupting Stat3 signaling with dominant-negative Stat3 protein or Stat3 antisense oligonucleotide in tumor cells down-regulates VEGF expression. Consistent with an important role of Stat3 in VEGF up-regulation induced by various oncogenic tyrosine kinases, v-Src-mediated VEGF expression is inhibited when Stat3 signaling is blocked. Moreover, chromatin immunoprecipitation assays indicate that Stat3 protein binds to the VEGF promoter in vivo and mutation of a Stat3-binding site in the VEGF promoter abrogates v-Src-induced VEGF promoter activity. These studies provide evidence that the VEGF gene is regulated directly by Stat3 protein, and indicate that Stat3 represents a common molecular target for blocking angiogenesis induced…

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Crossref · 10.1038/sj.onc.1205260

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  • STAT3 can promote transcription of proangiogenic factors, including vascular endothelial growth factor and IL-6, leading to paracrine and/or autocrine feedback.

    “In addition, STAT3 can promote transcription of proangiogenic factors, including vascular endothelial growth factor and IL-6, leading to paracrine and/or autocrine feedback.91–93”
  • Inhibition of STAT3 upstream signaling alone is insufficient to overcome activation of compensatory signaling pathways.

    “Furthermore, the inhibition of STAT3 upstream signaling alone is insufficient to overcome the activation of compensatory signaling pathways (12, 13).”

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Authors
Niu, G., Wright, K. L., Huang, M., Song, L., Haura, E., Turkson, J., Zhang, S., Wang, T., Sinibaldi, D., Coppola, D., Heller, R., Ellis, L. M., Karras, J., Bromberg, J., Pardoll, D., Jove, R., & Yu, H.
Affiliations
  • University of South Florida (US)
  • Johns Hopkins University (US)
  • The University of Texas MD Anderson Cancer Center (US)
  • Ionis Pharmaceuticals (United States) (US)
  • Memorial Sloan Kettering Cancer Center (US)
Corresponding author
  • Jove, Richard
  • Yu, Hua
Venue
Oncogene
Published
2002-03-21
Volume
21
Issue
13
Pages
2000-2008
ISSN
  • 0950-9232 (ISSN-L)
  • 1476-5594
OpenAlex
W2007897471
Cited by
1,207
References
4
Citations by year
2026: 25 · 2025: 20 · 2024: 33 · 2023: 40 · 2022: 50 · 2021: 50 · 2020: 59 · 2019: 34 · 2018: 51 · 2017: 60 · 2016: 64 · 2015: 72 · 2014: 68 · 2013: 63 · 2012: 73
FWCI
12.66
Type
journal article
Language
en
Open access
closed
Locations
  • Oncogene (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Cancer Institute (CA75243, R01CA055652, CA 82533, CA89693, CA-55652, R01CA089693, P01CA082533, R29CA075243)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
  • Health Sciences › Medicine › Oncology › Lymphatic System and Diseases
Keywords
STAT3, vascular endothelial growth factor, VEGF expression, tumor angiogenesis, v-Src, tyrosine kinase signaling, VEGF promoter, STAT3 binding sites, dominant-negative STAT3, antisense oligonucleotides, transcriptional regulation, angiogenesis inhibition
MeSH terms
Animals, Base Sequence, Cell Line, Transformed, Collagen, DNA-Binding Proteins, Drug Combinations, Humans, Laminin, Lymphokines, Neoplasm Transplantation, Neovascularization, Pathologic, Promoter Regions, Genetic, Proteoglycans, Transfection, Tumor Cells, Cultured, Trans-Activators, Down-Regulation, Oncogene Protein pp60(v-src), Up-Regulation, Gene Expression Regulation, Neoplastic, Endothelial Growth Factors, Mutagenesis, Site-Directed, 3T3 Cells, Electrophoretic Mobility Shift Assay, Vascular Endothelial Growth Factors, Vascular Endothelial Growth Factor A, STAT3 Transcription Factor, Mice

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