Cited by 58Liver physiology and pathologyAngiogenesis and VEGF in CancerHepatocellular Carcinoma Treatment and Prognosis

Activated hepatic stellate cells promote angiogenesis via interleukin-8 in hepatocellular carcinoma

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Zhu, Bing, Lin, Nan, Zhang, Min, Zhu, Yong, Cheng, Huanhuan, Chen, Shuxian, Ling, Yunbiao, Pan, Weidong +1 more·2015·Journal of Translational Medicine

Abstract

BACKGROUND: Chemokines have been recognized as important modulators of angiogenesis, and they play critical roles in the development and metastasis of hepatocellular carcinoma (HCC), although their origins and latent molecular mechanisms remain elusive. The aim of this study was to investigate how activated hepatic stellate cells (a-HSCs) promote angiogenesis in HCC. METHODS: A total of 22 HCC patients were enrolled randomly. We used immunohistochemistry, western blotting, and enzyme-linked immunosorbent assay (ELISA) to analyse the production of interleukin-8 (IL-8) in a-HSCs derived from HCC tissues. The angiogenic effects of IL-8 in vitro and in vivo were assessed by ELISA, real-time quantitative polymerase chain reaction, capillary tube formation assay, and chick embryo chorioallantoic membrane assay. RESULTS: The present study showed that IL-8 was enriched predominantly in the tumour stroma of HCC tissues and was mainly derived from a-HSCs, rather than from hepatoma cells, in vivo and in vitro. Angiogenesis was most active at the invading edge, which was close to the a-HSCs. The angiogenic effect was dramatically attenuated by an IL-8 neutralizing antibody both in vitro and in vivo. Moreover, the IL-8 neutralizing antibody down-regulated Ser727-phosphorylated STAT3 levels in hepatoma cells treated with a-HSCs conditioned medium. CONCLUSIONS: These findings reveal that a-HSCs within the stroma of HCC contribute to tumour angiogenesis via IL-8.

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  • Tregs can paradoxically promote HSC activation through TGF-β-dependent signaling and IL-8 induction, facilitating fibrogenesis.

    “While Tregs secrete anti-inflammatory cytokines like IL-10, IL-35, and TGF-β (Dikiy and Rudensky 2023), they can paradoxically promote HSC activation through TGF-β-dependent signaling pathway and IL-8 induction, thereby facilitating fibrogenesis (Dewidar et al. 2019; Langhans et al. 2013; Zhu et al. 2015).”

    From The double-edged sword of regulatory T cells in MASLD: from inflammation control to fibrosis promotion (2026) · cites this paper as Zhu et al. 2015

    The Results section reports that activated HSCs secrete IL-8, but the paper studies how that IL-8 promotes angiogenesis in hepatocellular carcinoma. It does not establish that Tregs activate HSCs through TGF-β-dependent signaling, induce IL-8, or thereby facilitate fibrogenesis. (LLM, conf=0.86)

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Authors
Zhu, B., Lin, N., Zhang, M., Zhu, Y., Cheng, H., Chen, S., Ling, Y., Pan, W., & Xu, R.
Affiliations
  • Sun Yat-sen University (CN)
  • Anhui Medical University (CN)
Corresponding author
Xu, Ruiyun
Venue
Journal of Translational Medicine
Published
2015-11-22
Volume
13
Issue
1
Pages
365-365
ISSN
1479-5876 (ISSN-L)
OpenAlex
W2177730560
Cited by
58
References
50
Citations by year
2026: 4 · 2025: 4 · 2024: 5 · 2023: 6 · 2022: 9 · 2021: 3 · 2020: 10 · 2019: 5 · 2018: 4 · 2017: 6 · 2016: 2
FWCI
2.37
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Journal of Translational Medicine (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (81272642)
  • Natural Science Foundation of Guangdong Province (2014A030313144, 2014A030313067)
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
  • Health Sciences › Medicine › Hepatology › Hepatocellular Carcinoma Treatment and Prognosis
Keywords
hepatocellular carcinoma, hepatic stellate cells, angiogenesis, interleukin-8, chemokines, tumor stroma, STAT3 phosphorylation
MeSH terms
Animals, Chick Embryo, Enzyme-Linked Immunosorbent Assay, Carcinoma, Hepatocellular, Humans, Liver Neoplasms, Neovascularization, Pathologic, Interleukin-8, Hepatic Stellate Cells, Antibodies, Neutralizing

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