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Expression data from transfection of U87 glioma cells with miR-376a* for 24 hours

ABSTRACT: Enforced expression of miRNAs in cells leads to down-regulation of several mRNAs, which harbour binding sites in their 3'UTRs for the overexpressed miRNA and represent potential target genes of the miRNA We transfected unedited miR-376a* (376a*A) and edited miR-376a* (376a*G) into U87 cells to identify transcripts down-regulated by each in comparison to control miRNA transfection. The aim was to identify target genes directly subject to regulation by miR-376a*A and by miR-376a*G

ORGANISM(S): Homo sapiens

PROVIDER: GSE34455 | GEO | 2012/06/01

SECONDARY ACCESSION(S): PRJNA156355

REPOSITORIES: GEO

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Expression data from transfection of U87 glioma cells with miR-376a* for 24 hours

Project description:Enforced expression of miRNAs in cells leads to down-regulation of several mRNAs, which harbour binding sites in their 3'UTRs for the overexpressed miRNA and represent potential target genes of the miRNA We transfected unedited miR-376a* (376a*A) and edited miR-376a* (376a*G) into U87 cells to identify transcripts down-regulated by each in comparison to control miRNA transfection. The aim was to identify target genes directly subject to regulation by miR-376a*A and by miR-376a*G U87 cells (100,000) were transfected with 50 nM of miR-376a*A, miR-376a*G or miR-control. Following incubation for 24 hours, total RNA was isolated from transfected cells. For each (miR-376a*A or miR-376a*G), genes differentially expressed upon miRNA transfection were determined based on comparison with miR-control-transfected samples. Biological triplicates were used for each sample type.

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Project description:Several biological pathways can be under the regulation of miRNAs. These pathways can be indentified by the enforced expression of a miRNA and analysing the expression data for enrichment of specific pathways represented among the genes differentially expressed upon miRNA overexpression. We transfected unedited miR-376a* (376a*A) and edited miR-376a* (376a*G) into U87 cells to identify differentially regulated transcripts. List of differentially expressed genes were subject to pathway enrichment analysis to identify specific biological processes regulated by each of miR-376a*A and miR-376a*G. U87 cells (100,000) were transfected with 50 nM of miR-376a*A, miR-376a*G or miR-control. Following incubation for 72 hours, total RNA was isolated from transfected cells. For each (miR-376a*A or miR-376a*G), genes differentially expressed upon miRNA transfection were determined based on comparison with miR-control-transfected samples. Biological triplicates were used for each sample type.

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