Molecular Medicine

, Volume 21, Issue 1, pp 626–636 | Cite as

Angiotensin-(1–1) Suppresses Hepatocellular Carcinoma Growth and Angiogenesis via Complex Interactions of Angiotensin II Type 1 Receptor, Angiotensin II Type 2 Receptor and Mas Receptor

  • Yanping Liu
  • Bin Li
  • Ximing Wang
  • Guishuang Li
  • Rui Shang
  • Jianmin Yang
  • Jiali Wang
  • Meng Zhang
  • Yuguo Chen
  • Yun Zhang
  • Cheng Zhang
  • Panpan Hao
Research Article


We recently confirmed that angiotensin II (Ang II) type 1 receptor (AT1R) was overexpressed in hepatocellular carcinoma tissue using a murine hepatoma model. Angiotensin(Ang)-(1-7) has been found beneficial in ameliorating lung cancer and prostate cancer. Which receptor of Ang-(1-7) is activated to mediate its effects is much speculated. This study was designed to investigate the effects of Ang-(1-7) on hepatocellular carcinoma, as well as the probable mechanisms. H22 hepatoma-bearing mice were randomly divided into five groups for treatment: mock group, low-dose Ang-(1-7), high-dose Ang-(1-7), high-dose Ang-(1-7) + A779 and high-dose Ang-(1-7) + PD123319. Ang-(1-7) treatment inhibited tumor growth time- and dose-dependently by arresting tumor proliferation and promoting tumor apoptosis as well as inhibiting tumor angiogenesis. The effects of Ang-(1-7) on tumor proliferation and apoptosis were reversed by coadministration with A779 or PD123319, whereas the effects on tumor angiogenesis were completely reversed by A779 but not by PD123319. Moreover, Ang-(1-7) downregulated AT1R mRNA, upregulated mRNA levels of Ang II type 2 receptor (AT2R) and Mas receptor (MasR) and p38-MAPK phosphorylation and suppressed H22 cell-endothelial cell communication. Thus, Ang-(1-7) administration suppresses hepatocellular carcinoma via complex interactions of AT1R, AT2R and MasR and may provide a novel and promising approach for the treatment of hepatocellular carcinoma.



This work was supported by the National 973 Basic Research Program of China (grants 2011CB503906, 2012CB518603), the National High-Tech Research and Development Program of China (grant 2012AA02A510), the Program of Introducing Talents of Discipline to Universities (grant B07035), the State Program of National Natural Science Foundation of China for Innovative Research Group (grant 81021001), the National Natural Science Foundation of China (grants 81400284, 81371548, 81320108004, 61331001) and the Natural Science Foundation of Shandong Province (grants ZR2014HM044, ZR2014HP045).


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Authors and Affiliations

  • Yanping Liu
    • 1
    • 2
  • Bin Li
    • 3
  • Ximing Wang
    • 2
  • Guishuang Li
    • 1
  • Rui Shang
    • 1
  • Jianmin Yang
    • 1
  • Jiali Wang
    • 1
  • Meng Zhang
    • 1
  • Yuguo Chen
    • 1
  • Yun Zhang
    • 1
  • Cheng Zhang
    • 1
  • Panpan Hao
    • 1
  1. 1.The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu HospitalShandong UniversityShandongChina
  2. 2.Shandong Key Laboratory of Cardiovascular and Cerebrovascular Disease, Shandong Provincial Medical Imaging InstituteShandong UniversityShandongChina
  3. 3.Jinan Central HospitalAffiliated with Shandong UniversityJinan, ShandongChina

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