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Erschienen in: Tumor Biology 3/2016

09.10.2015 | Original Article

MiR-30a regulates the proliferation, migration, and invasion of human osteosarcoma by targeting Runx2

verfasst von: Ruyi Zhang, Shujuan Yan, Jing Wang, Fang Deng, Yangliu Guo, Ya Li, Mengtian Fan, Qilin Song, Hongxia Liu, Yaguang Weng, Qiong Shi

Erschienen in: Tumor Biology | Ausgabe 3/2016

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Abstract

Osteosarcoma (OS) is the most common primary malignant bone tumor in young patients. However, treatment paradigms and survival rates have not improved in decades. MicroRNAs have been shown to be critical regulators of physiological homeostasis and pathological process, including bone disease. Nearly half of the microRNA (miRNA) genes are located at genomic regions and fragile sites known to be frequently deleted or amplified in various kinds of cancers. In this study, we investigated the role miR-30a in OS. A negative correlation between miR-30a expression and malignant grade was observed in OS cell lines. The overexpression of miR-30a reduced proliferation, migration, and invasion in 143B cells and the inhibitor of miR-30a increased proliferation, migration, and invasion in Saos2 cells. Further studies revealed that runt-related transcription factors 2 (Runx2) was a regulative target gene of miR-30a. Rescue assay significantly reversed the effects of overexpressing or inhibiting miR-30a. miR-30a also suppressed tumor formation and pulmonary metastasis in vivo. All the results suggest a critical role of miR-30a in suppressing proliferation, migration, and invasion of OS by targeting Runx2.
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Metadaten
Titel
MiR-30a regulates the proliferation, migration, and invasion of human osteosarcoma by targeting Runx2
verfasst von
Ruyi Zhang
Shujuan Yan
Jing Wang
Fang Deng
Yangliu Guo
Ya Li
Mengtian Fan
Qilin Song
Hongxia Liu
Yaguang Weng
Qiong Shi
Publikationsdatum
09.10.2015
Verlag
Springer Netherlands
Erschienen in
Tumor Biology / Ausgabe 3/2016
Print ISSN: 1010-4283
Elektronische ISSN: 1423-0380
DOI
https://doi.org/10.1007/s13277-015-4086-7

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