microRNA microarray containing 3100 probes to analyze differential miRNA expression profiles in U251 and U251R cell lines.23 miRNAs are up-regulated and 16 miRNAs are down-regulated in U251R cells.The microarray results were then validated by real time PCR. Consistent with microarray data, miR-182 and miR-224 were up-regulated in U251R cells; Let-7b,miR-125b, miR-107 and miR-203 were significantly suppressed in U251R cells.Overexpression of Let-7b mimics suppressed cyclin D1 protein expression and inhibited cyclin D1-3’-UTR luciferase activity.
NSDNA: The Nervous System Disease NcRNAome Atlas
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