Angiotensin II promotes the progression of human gastric cancer

  • Authors:
    • Ming-Min Huang
    • Ai-Bin Guo
    • Jun-Feng Sun
    • Xiao-Lin Chen
    • Zhen-Yu Yin
  • View Affiliations

  • Published online on: January 10, 2014     https://doi.org/10.3892/mmr.2014.1891
  • Pages: 1056-1060
Metrics: Total Views: 0 (Spandidos Publications: | PMC Statistics: )
Total PDF Downloads: 0 (Spandidos Publications: | PMC Statistics: )


Abstract

The renin-angiotensin system (RAS) plays an important role in cardiovascular homeostasis, carcinogenesis‑related angiogenesis and cell proliferation. The present study was undertaken to determine the expression of angiotensin (Ang) II, Ang II type 1 and 2 receptors (AT1R and AT2R), and the activity of the angiotensin‑converting enzyme (ACE) in gastric cancer tissue. The study further examined the roles of Ang II in the growth of gastric cancer cells in nude mice and in the migration and proliferation of MKN45 human gastric cancer cells. Gastric cancer tissue samples were obtained from gastric cancer patients. The levels of Ang II, AT1R and AT2R, as well as ACE activity were increased in tissues from gastric cancer patients compared to healthy tissues. A gastric cancer model was established by intraperitoneally injecting MKN45 human gastric cancer cells in nude mice, intraperitoneally injecting Ang II and measuring the tumor size every two days. Ang II treatment caused an increase in the size and weight of the tumor mass in nude mice, whereas the AT1R antagonist losartan significantly inhibited the size and weight of the tumor. While Ang II enhanced the migratory and proliferative rate of MKN45 human gastric cancer cells, these were significantly reduced following treatment with losartan. These results indicate that RAS is activated in gastric cancer patients and Ang II promotes the progression of gastric cancer in nude mice, as well as the migration and proliferation of MKN45 human gastric cancer cells.
View Figures
View References

Related Articles

Journal Cover

2014-March
Volume 9 Issue 3

Print ISSN: 1791-2997
Online ISSN:1791-3004

Sign up for eToc alerts

Recommend to Library

Copy and paste a formatted citation
x
Spandidos Publications style
Huang M, Guo A, Sun J, Chen X and Yin Z: Angiotensin II promotes the progression of human gastric cancer. Mol Med Rep 9: 1056-1060, 2014
APA
Huang, M., Guo, A., Sun, J., Chen, X., & Yin, Z. (2014). Angiotensin II promotes the progression of human gastric cancer. Molecular Medicine Reports, 9, 1056-1060. https://doi.org/10.3892/mmr.2014.1891
MLA
Huang, M., Guo, A., Sun, J., Chen, X., Yin, Z."Angiotensin II promotes the progression of human gastric cancer". Molecular Medicine Reports 9.3 (2014): 1056-1060.
Chicago
Huang, M., Guo, A., Sun, J., Chen, X., Yin, Z."Angiotensin II promotes the progression of human gastric cancer". Molecular Medicine Reports 9, no. 3 (2014): 1056-1060. https://doi.org/10.3892/mmr.2014.1891