Cited by 56Advanced Glycation End Products researchHepatocellular Carcinoma Treatment and PrognosisPeroxisome Proliferator-Activated Receptors

Pioglitazone, a PPARγ agonist, inhibits growth and invasion of human hepatocellular carcinoma via blockade of the rage signaling

Yang, Yuan, Zhao, Ling‐Hao, Huang, Bo, Wang, Ruo‐Yu, Yuan, Sheng‐Xian, Tao, Qi‐Fei, Xu, Yong, Sun, Han‐Yong +2 more·2015·Molecular Carcinogenesis

Abstract

Pioglitazone (PGZ), a synthetic PPARγ ligand, is known to have anti‐tumor activity. However, it is unclear how it acts against hepatocellular carcinoma (HCC). We hypothesized that the pathological receptor for advanced glycation end products (RAGE) is involved in the PGZ anti‐tumor process. To test this notion, human primary HCC tissues and corresponding adjacent non‐cancerous tissues (ANCT) from 75 consecutive cases were analyzed. The expression and clinical significance of RAGE was assessed by immunohistochemical assay through tissue microarray. After HCC cells were pretreated with different concentrations of PGZ, cell proliferation, apoptosis, cell invasion, and cell cycle distribution were evaluated by multiple assays. The results showed that, the positive expression of RAGE was significantly higher in HCC tissues than in ANCT (66.7% vs. 36.0%, P < 0.001), and was closely associated with pathological staging (P = 0.014) and lymph‐vascular space invasion (P = 0.003). Moreover, PGZ inhibited proliferative activity and invasive potential, and induced apoptosis and cell cycle arrest in HCC cells resulting in increased expression of PPARγ and decreased expression of RAGE, NF‐κB, HMGB1, p38MAPK, Ki‐67, MMP‐2, and CyclinD1. Furthermore, knockdown of RAGE or NF‐κB by siRNA effectively suppressed cell proliferation and invasion, and mediated the inhibitory effects of PGZ in HCC cells. Taken together, our findings suggest that, RAGE is overexpressed in human HCC tissues, and is closely associated with the pathological staging and tumor invasion of HCC. In addition, PGZ as a PPARγ agonist may inhibit growth and invasion of HCC cells via blockade of the RAGE signaling. © 2014 Wiley Periodicals, Inc.

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Crossref · 10.1002/mc.22231

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Authors
Yang, Y., Zhao, L., Huang, B., Wang, R., Yuan, S., Tao, Q., Xu, Y., Sun, H., Lin, C., & Zhou, W.
Affiliations
  • Second Military Medical University (CN)
  • Suzhou Municipal Hospital (CN)
  • Eastern Hepatobiliary Surgery Hospital Second Military Medical University Shanghai China
  • Shanghai Dingdian Biotechnology Limited Company Shanghai China
Corresponding author
Lin, Chuan
Venue
Molecular Carcinogenesis
Publisher
Wiley
Published
2014-10-12
Volume
54
Issue
12
Pages
1584-1595
ISSN
  • 0899-1987 (ISSN-L)
  • 1098-2744
OpenAlex
W2116561826
Cited by
55
References
42
Citations by year
2026: 1 · 2025: 3 · 2024: 7 · 2023: 7 · 2022: 4 · 2021: 6 · 2020: 4 · 2019: 1 · 2018: 8 · 2017: 5 · 2016: 5 · 2015: 3 · 2012: 1
FWCI
2.99
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular Carcinogenesis (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (81201940, 81221061, 81101512)
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 › Molecular Biology › Peroxisome Proliferator-Activated Receptors
Keywords
pioglitazone, PPARγ agonists, hepatocellular carcinoma, RAGE, advanced glycation end products, tumor invasion, cell proliferation, apoptosis, cell cycle arrest, NF-κB, HMGB1, p38 MAPK, MMP-2, cyclin D1, pathological staging, lymph-vascular space invasion
MeSH terms
Receptor for Advanced Glycation End Products, Pioglitazone, Cell Cycle, Female, Carcinoma, Hepatocellular, Humans, Liver Neoplasms, Male, Middle Aged, Neoplasm Invasiveness, Signal Transduction, Apoptosis, Thiazolidinediones, Cell Line, Tumor, PPAR gamma, Cell Proliferation, Hep G2 Cells

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