Cited by 72Advanced Glycation End Products researchHepatocellular Carcinoma Treatment and PrognosisCancer, Hypoxia, and Metabolism

A Novel Function of the Receptor for Advanced Glycation End-Products (RAGE) in Association with Tumorigenesis and Tumor Differentiation of HCC

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Hiwatashi, Kiyokazu, Ueno, Shinichi, Abeyama, Kazuhiro, Kubo, Fumitake, Sakoda, Masahiko, Maruyama, Ikuro, Hamanoue, Masahiro, Natsugoe, Shoji +1 more·2008·Annals of Surgical Oncology

Abstract

BACKGROUND: The expression of the receptor for advanced glycation end products (RAGE) has an impact on the mechanisms giving rise to characteristic features of various cancer cells. The purpose of this study was to elucidate the clinicopathological relevance of the level of RAGE expression in patients with hepatocellular carcinoma (HCC) and to explore the effect of RAGE expression on the characteristic features of HCC. METHODS: The expression of RAGE was assessed in paired cancer and noncancerous tissues with HCC, using reverse-transcription polymerase chain reaction (RT-PCR), and immunohistochemistry. The quantitative RT-PCR data were analyzed in association with the clinicopathological factors of the patients with HCC. In in vitro experiments, the survival of RAGE-transfected Cos7 and mock-transfected Cos7 cells was compared under hypoxic conditions. In addition, after reducing RAGE levels in RAGE-transfected Cos7 cells by siRNA, similar experiments were performed. RESULTS: The expression of RAGE mRNA was lower in normal liver than in hepatitis and highest in HCC. Furthermore, in HCC, it was high in well- and moderately differentiated tumors but declined as tumors dedifferentiated to poorly differentiated HCC. Furthermore, HCC lines resistant to hypoxia were found to have higher levels of RAGE expression, and RAGE transfectant also showed significantly prolonged survival under hypoxia. CONCLUSIONS: Our results suggest that HCC during the early stage of tumorigenesis with less blood supply may acquire resistance to stringent hypoxic milieu by hypoxia-induced RAGE expression.

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Authors
Hiwatashi, K., Ueno, S., Abeyama, K., Kubo, F., Sakoda, M., Maruyama, I., Hamanoue, M., Natsugoe, S., & Aikou, T.
Affiliations
Kagoshima University (JP)
Corresponding author
Ueno, Shinichi
Venue
Annals of Surgical Oncology
Published
2007-12-15
Volume
15
Issue
3
Pages
923-933
ISSN
  • 1068-9265 (ISSN-L)
  • 1534-4681
OpenAlex
W2038392396
Cited by
72
References
41
Citations by year
2026: 1 · 2025: 1 · 2024: 1 · 2023: 2 · 2021: 9 · 2020: 3 · 2019: 4 · 2018: 4 · 2017: 5 · 2016: 2 · 2015: 10 · 2014: 5 · 2013: 7 · 2012: 7
FWCI
1.75
Type
journal article
Language
en
Open access
Locations
  • Annals of Surgical Oncology (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Kanazawa University
  • Japan Society for the Promotion of Science (16659493, 14370359)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Advanced Glycation End Products research
  • Health Sciences › Medicine › Hepatology › Hepatocellular Carcinoma Treatment and Prognosis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
Keywords
receptor for advanced glycation end products, RAGE, hepatocellular carcinoma, carcinogenesis, tumor differentiation, hypoxia, hypoxia tolerance, tumor dedifferentiation, clinicopathological correlation, siRNA knockdown
MeSH terms
Receptor for Advanced Glycation End Products, Aged, Female, Carcinoma, Hepatocellular, Humans, Liver Neoplasms, Male, Receptors, Immunologic, Cell Line, Tumor

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