Journal
BIOSCIENCE REPORTS
Volume 39, Issue -, Pages -Publisher
PORTLAND PRESS LTD
DOI: 10.1042/BSR20181989
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Funding
- Beijing Municipal Administration of Hospitals' Youth Program [QML20170702]
- Beijing Shijitan Hospital Research Project Fund [2015-C11]
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Epithelial-mesenchymal transition (EMT) plays a pivotal role in cancer progression. Hsa-miR-205 is considered one of the fundamental regulators of EMT. In the present study, we found that miR-205 was down-regulated in glioma tissues and human glioma cells U87 and U251. Meanwhile, miR-205 overexpression enhanced E-cadherin, reduced mesenchymal markers, and decreased cell proliferation, migration, and invasion in vitro. In vivo, miR-205 suppressed tumor growth. Additionally, HOXD9 was confirmed as a direct target of miR-205. Suppression of HOXD9 by miR-205 was demonstrated by luciferase reporter assay, quantitative real time-PCR analysis, and western blot. Moreover, we observed a negative correlation between miR-205 and HOXD9 in human glioma tissues. In summary, our findings demonstrated that miR-205 suppresses glioma tumor growth, invasion, and reverses EMT through down-regulating its target HOXD9.
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