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The functions of microRNAs (miRNAs) as either oncogenes or tumor suppressors in regulating cancer-related events have been established. We analyzed the alterations in the miRNA expression profile of the glioma cell line U-251 caused by ionizing radiation (IR) by using an miRNA array and identified several miRNAs whose expression was significantly affected(More)
Epithelial-mesenchymal transition (EMT) is essential for increased invasion and metastasis during cancer progression. Among the candidate EMT-regulating microRNAs that we previously identified, miR-181b-3p was found to induce EMT in MCF7 breast cancer cells, as indicated by an EMT-characteristic morphological change, increased invasiveness, and altered(More)
MicroRNAs (miRNAs) play pivotal roles in tumorigenesis as either tumor suppressors or oncogenes. In the present study, we discovered and demonstrated the tumor suppressive function of a novel miRNA miR-5582-5p. miR-5582-5p induced apoptosis and cell cycle arrest in cancer cells, but not in normal cells. GAB1, SHC1, and CDK2 were identified as direct targets(More)
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