Abstract
Recent data strongly suggests the profound role of miRNAs in cancer progression. Here, we showed miR-126 expression was much lower in HCT116, SW620 and HT-29 colon cancer cells with highly metastatic potential and miR-126 downregulation was more frequent in colorectal cancers with metastasis. Restored miR-126 expression inhibited HT-29 cell growth, cell-cycle progression and invasion. Mechanically, microarray results combined with bioinformatic and experimental analysis demonstrated miR-126 exerted cancer suppressor role via inhibiting RhoA/ROCK signaling pathway. These results suggest miR-126 function as a potential tumor suppressor in colon cancer progression and miR-126/RhoA/ROCK may be a novel candidate for developing rational therapeutic strategies.
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Acknowledgments
This study was supported by grants from National Natural Science Foundation (No. 81272736), Natural Science Foundation of Hunan Province (No. 09JJ3066), Science and Technology of Hunan Province (No. 2009FJ3086), and Innovative Project of Science and Technology of Hunan Province (No. 2011TT2020).
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Li, N., Tang, A., Huang, S. et al. MiR-126 suppresses colon cancer cell proliferation and invasion via inhibiting RhoA/ROCK signaling pathway. Mol Cell Biochem 380, 107–119 (2013). https://doi.org/10.1007/s11010-013-1664-0
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DOI: https://doi.org/10.1007/s11010-013-1664-0