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Expression data from transfection of SW1783 and U87 glioma cells with miR-376a* for 24 and 72 hours

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Homo sapiens

PROVIDER: GSE34482 | GEO | 2012/06/01

SECONDARY ACCESSION(S): PRJNA151335

REPOSITORIES: GEO

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Expression data from transfection of SW1783 and U87 glioma cells with miR-376a* for 24 and 72 hours

Project description:This SuperSeries is composed of the following subset Series: GSE34454: Expression data from transfection of SW1783 glioma cells with microRNA-376a* for 24 hours GSE34455: Expression data from transfection of U87 glioma cells with miR-376a* for 24 hours GSE34456: Expression data from transfection of U87 glioma cells with miR-376a* for 72 hours Refer to individual Series

2012-05-31 | E-GEOD-34482 | biostudies-arrayexpress

Expression data from transfection of U87 glioma cells with miR-376a* for 72 hours

2012-06-01 | GSE34456 | GEO

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

2012-06-01 | GSE34455 | GEO

Expression data from transfection of U87 glioma cells with miR-376a* for 72 hours

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.

2012-05-31 | E-GEOD-34456 | biostudies-arrayexpress

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.

2012-05-31 | E-GEOD-34455 | biostudies-arrayexpress

Effects of silencing miR-10b in an U87-2M1 glioma line - an invasive in vivo derived subline of U87 glioma cells

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2012-12-31 | E-GEOD-35208 | biostudies-arrayexpress

Effects of silencing miR-10b in an U87-2M1 glioma line - an invasive in vivo derived subline of U87 glioma cells

Project description:This SuperSeries is composed of the SubSeries listed below.

2012-12-31 | GSE35208 | GEO

Expression data from transfection of SW1783 glioma cells with microRNA-376a* for 24 hours

2012-06-01 | GSE34454 | GEO

Expression data from transfection of SW1783 glioma cells with microRNA-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 SW1783 cells to identify transcripts down-regulated by each in comparison to control miRNA transfection. The aim was to identify target genes subject to direct regulation by miR-376a*A and by miR-376a*G. SW1783 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.

2012-05-31 | E-GEOD-34454 | biostudies-arrayexpress

24 vs. 72 hours of hypothermia for pediatric cardiac arrest: A pilot, randomized controlled trial.

Project description:AimChildren surviving cardiac arrest (CA) lack proven neuroprotective therapies. The role of biomarkers in assessing response to interventions is unknown. We hypothesized that 72 versus 24 h of hypothermia (HT) would produce more favorable biomarker profiles after pediatric CA.MethodsThis single center pilot randomized trial tested HT (33 ± 1 °C) for 24 vs. 72 h in 34 children with CA. Children comatose after return of circulation aged 1 week to 17 years and treated with HT by their physician were eligible. Serum was collected twice daily on days 1-4 and once on day 7. Mortality was assessed at 6 months.ResultsPatient characteristics, baseline biomarker concentrations, and adverse events were similar between groups. Eight (47%) and 4 (24%) children died in the 24 h and 72 h groups, p = .3. Serum neuron specific enolase (NSE) concentration was increased in the 24 vs. 72 h group at 84 h-96 h (median [interquartile range] 47.7 [3.9, 79.9] vs. 1.4 [0.0, 11.1] ng/ml, p = .02) and on day 7 (18.2 [3.2, 74.0] vs. 2.6 [0.0, 12.8] ng/ml, p = .047). Serum S100b was increased in the 24 h vs. 72 h group at 12 h-24 h, 36 h-84 h, and on day 7, all p < 0.05. HT duration was associated with S100b (but not NSE or MBP) concentration on day 7 in multivariate analyses.ConclusionSerum biomarkers show promise as theragnostic tools in pediatric CA. Our biomarker and safety data also suggest that 72 h duration after pediatric CA warrants additional exploration.

| S-EPMC5899619 | biostudies-literature

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