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Inhibition of chemotherapy-related breast tumor EMT by application of redox-sensitive siRNA delivery system CSO-ss-SA/siRNA along with doxorubicin treatment.
Abstract Metastasis is one of the main reasons causing death in cancer patients. It was reported that chemotherapy might induce metastasis. In order to uncover the mechanism of chemotherapy-induced metastasis and find solutions to inhibit treatment-induced metastasis, the relationship between epithelial-mesenchymal transition (EMT) and doxorubicin (DOX) treatment was investigated and a redox-sensitive small interfering RNA (siRNA) delivery system was designed. DOX-related reactive oxygen species (ROS) were found to be responsible for the invasiveness of tumor cells in vitro, causing enhanced EMT and cytoskeleton r...
Source: J Zhejiang Univ Sci ... - February 29, 2020 Category: Science Authors: Liu X, Zhou XQ, Shang XW, Wang L, Li Y, Yuan H, Hu FQ Tags: J Zhejiang Univ Sci B Source Type: research

Down-regulation of eIF5A-2 prevents epithelial-mesenchymal transition in non-small-cell lung cancer cells.
Conclusions: The expression of eIF5A-2 was up-regulated following EMT phenotype changes in A549 cells, which correlated with enhanced tumor invasion and metastatic capabilities. Furthermore, in the A549 cell line, the process of EMT phenotype change could be reversed by eIF5A-2 siRNA, with a consequent weakening of both invasive and metastatic capabilities. PMID: 23733422 [PubMed - in process]
Source: J Zhejiang Univ Sci ... - June 1, 2013 Category: Science Authors: Xu GD, Shi XB, Sun LB, Zhou QY, Zheng DW, Shi HS, Che YL, Wang ZS, Shao GF Tags: J Zhejiang Univ Sci B Source Type: research