Qi MH, Liu JK, Ye J, Li MH, Wan HJ, Qi ZY, Yin YX, Ou X, Yu GY. Angiotensin Ⅱ induces epithelial-mesenchymal transition in hepatocellular carcinoma cells.
Shijie Huaren Xiaohua Zazhi 2017;
25:1103-1109. [DOI:
10.11569/wcjd.v25.i12.1103]
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Abstract
AIM
To detect the expression of molecules of the renin-angiotensin system (RAS) in hepatocellular carcinoma (HCC) and explore whether angiotensin Ⅱ (Ang Ⅱ) induces epithelial-mesenchymal transition (EMT) in SSMC7721 cells.
METHODS
Fifty-six HCC tissues were collected, and immunohistochemistry and Western blot were used to assess the expression of angiotensin converting enzyme 1 (ACE1), ACE2, vimentin, E-cadherin proteins in these tissues. Ang II was then used to stimulate SSMC7721 cells to detect whether EMT markers such as vimentin and E-cadherin were induced.
RESULTS
Compared with normal tissues, the expression of ACE1 and AT1 in HCC tumor tissues were higher. Ang II up-regulated the expression of vimentin but down-regulated the expression of E-cadherin in SSMC7721 cells.
CONCLUSION
The RAS may play a role in HCC metastasis.
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