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Gene expression profiling in miR-574-5p knockdown HeLa cells and the controls

ABSTRACT: Gene expression profiling in miR-574-5p knockdown HeLa cells and the controls

PROVIDER: PRJNA988045 | ENA |

REPOSITORIES: ENA

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Gene expression profiling in miR-574-5p knockdown HeLa cells and the controls

Project description:To profile gene expression in human HeLa cells follwing the knockdown of miR-574-5p, as compared to control HeLa cells Gene ontology and clustering analyses revealed that the differentially-expressed genes were highly enriched for the immune system and its related signal transduction pathways.

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RNA-Seq analyses in miR-574-5p-transfected mouse splenocytes

Project description:RNA profiling by RNA-Seq analyses showed that in comparison with the control Dotap-treated cells, miR-574-5p transfection for 24 h resulted in significant up-regulation of 277 genes and down-regulation of 80 genes by at least 2-fold in the miR-574-5p-transfected splenocytes. Gene ontology and pathway enrichment analyses showed that the 277 significantly up-regulated genes in miR-574-5p-transfected cells were highly enriched and clustered in pathways associated with interferon and cytokine signaling, antiviral mechanisms, translesion synthesis and autoimmunity .

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Global characterization of miR-574-5p decoy to CUGBP1 in human lung cancer using a mass spectrometry proteomics approach

Project description:We aimed to characterize decoy to the RNA-binding protein CUG-RNA binding protein 1 (CUGBP1 mechanism in A549 lung cancer cells. We identified several new canonical targets of CUGBP1 but those were not regulated by miR-574-5p via the decoy mechanism. This can be explained by the localization of CUGBP1 and miR-574-5p in the nucleus, where CUGBP1 regulates alternative splicing. Next, we analyzed the 3’UTRs of potential targets and found that the decoy-dependent regulation of mPGES-1 splicing is unique. Therefore, we postulate that in A549 cells mPGES-1 is the only protein regulated by the decoy mechanism of CUGBP1 and miR-574-5p which suggests that the decoy mechanism allows the specific regulation of the expression of distinct targets.

2020-03-02 | PXD016803 | Pride

RNA-Seq of wild type and miR-574 knockout mouse hearts at baseline

Project description:Purpose: The target mRNAs of miR-574 in mouse heart are unknown. The goal of this study is to use next generation sequencing (NGS) RNA-seq followed by quantitative reverse transcription polymerase chain reaction (qRT-PCR) methods to identify the downstream target genes that are directly regulated by miR-574 in murine hearts at the mRNA level. Results: Using a well established data analysis workflow from the Genomic Research Center from University of Rochester Medical Center, we analyzed RNA-seq data. We have identified novel genes that are regulated by miR-574 via miRNA-induced silencing complex (miRISC). We defined differentially regulated genes (either upregulated or downregulated) with statistical significance in total RNA expression change (p value <0.05 for differential expressed genes). We identified 34 upregulated genes involved in the small molecule metabolism and the mitochondrial function, and 49 downregulated genes in the electron transport chain (ETC) complex, oxidative phosphorylation, and tricarboxylic acid cycle. Conclusions: Among 34 upregulated genes, eight genes contain the predicted target seed sequence of miR-574-5p and Fam210a (family with sequence similarity 210 member A) is the only upregulated gene that contains the target seed sequence of both the guide strand miR-574-5p and the passenger strand miR-574-3p. We confirmed that FAM210A was the downstream target of both miR-574-5p and miR-574-3p in vivo and in vitro. Based on our results, we conclude that miR-574 downregulates a limited number of mitochondrial function related genes including FAM210A in mouse hearts at baseline.

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