Loss of E-cadherin promotes the growth, invasion and drug resistance of colorectal cancer cells and is associated with liver metastasis
2012
Chen, Xiaobing | Wang, Yongsheng | Xia, Hongping | Wang, Qiwu | Jiang, Xiaochun | Lin, Zihong | Ma, Yuedong | Yang, Yang | Hu, Minghua
The recent studies indicated that the epithelial cell adhesion molecule E-cadherin is a well-recognized molecule that is important in cell adhesion. To further investigate the molecular basis of this notion, we used small-interfering RNA to inhibit E-cadherin function and found that loss of E-cadherin promoted Colorectal cancer cell growth, invasion and drug resistance through induction of β-catenin nuclear translocation and epithelial-to-mesenchymal transition. Further analysis of E-cadherin expression with clinicopathologic parameters showed that E-cadherin expression decreased in Colorectal cancer patients who developed liver metastasis (P = 0.043). These findings indicate that E-cadherin loss in tumors contributes to progression and metastatic dissemination. Thus, E-cadherin can act as a central modulator of the cell biological phenotypes and a potential prognostic marker in Colorectal cancer.
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