[No authors listed]
MicroRNA-885 (miR-885) has been shown to act as vital regulator of tumorigenesis and its tumor-suppressive role has been investigated in several human cancers. However, the role of miR-885 in regulation of epithelial mesenchymal transition of liver cancer cells yet unknown. This study was undertaken to investigate the tumor-suppressive role of miR-885 and investigate its effects on epithelial mesenchymal transition of human liver cancer cells. The results revealed that miR-885 to be significantly (PÂ <Â 0.05) repressed in liver cancer and tissues and cell lines. Overexpression of miR-885 resulted in significant (PÂ <Â 0.05) decline in the proliferation of liver cancer cells. Additionally, migration and invasion of the liver cancer cells was also suppressed upon miR-182 overexpression which was associated with alteration of the proteins associated with epithelial mesenchymal transition. TMOD1 was identified as the target of miR-885 and the regulatory role of miR-885 was elucidated to be exerted via post-transcriptional silencing of TMOD1. The silencing of TMOD1 by miR-885 inhibited the expression of mesenchymal markers but enhanced the expression levels of epithelial markers. The results of present study revealed miR-885 proved the tumor-suppressive role of miR-885 in liver cancer and points towards its therapeutic implications in liver cancer management.
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