Retinal transcriptome analysis of Rbfox2 deficient animals
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ABSTRACT:
PROVIDER: PRJNA649688 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR12350689.fastq.gz | Fastqsanger.gz | |||
| SRR12350689_1.fastq.gz | Fastqsanger.gz | |||
| SRR12350689_2.fastq.gz | Fastqsanger.gz | |||
| SRR12350690.fastq.gz | Fastqsanger.gz | |||
| SRR12350690_1.fastq.gz | Fastqsanger.gz |
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Project description:Rbfox proteins regulate alternative splicing, mRNA stability and translation. These proteins are involved in neurogenesis and have been associated with various neurological conditions. We generated expression profile in adult and developing mouse retinas which lacks in Rbfox2 expression by RNA sequencing. The goals of this study is to identify the affected pathways in Rbfox2 KO mouse retina as well as potential splicing targets of Rbfox2.
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Project description:We generated a global analysis of Rbfox2 splicing regulation combined with a highly specific, single nucleotide-resolution Rbfox2 RNA binding map. We found that Rbfox2 regulates the splicing and expression of many previously unknown targets, and particularly a number of RNA binding proteins (RBPs), by modulating alternative splicing coupled-NMD. Based on our observations of RBP-Rbfox2 co-regulation with a polarity predicted by Rbfox2 binding, we propose a model whereby Rbfox2 tunes autoregulatory splicing events to control RBP expression levels and in turn alter their respective splicing networks. iCLIP for epitope-tagged Rbfox2 and control untagged Rbfox2; RNAseq of control and Rbfox2 knockdown in mouse embryonic stem cells
2014-03-17 | E-GEOD-54794 | biostudies-arrayexpress
Project description:Rbfox2 is required for maintaining hepatic cholesterol levels under high fructose. Here we carry out an enhanced iCLIP (eiCLIP) protocol in order to determine the targets of Rbfox2 in primary mouse hepatocytes.
2022-09-26 | GSE151747 | GEO
Project description:We generated a global analysis of Rbfox2 splicing regulation combined with a highly specific, single nucleotide-resolution Rbfox2 RNA binding map. We found that Rbfox2 regulates the splicing and expression of many previously unknown targets, and particularly a number of RNA binding proteins (RBPs), by modulating alternative splicing coupled-NMD. Based on our observations of RBP-Rbfox2 co-regulation with a polarity predicted by Rbfox2 binding, we propose a model whereby Rbfox2 tunes autoregulatory splicing events to control RBP expression levels and in turn alter their respective splicing networks.
2014-03-17 | GSE54794 | GEO
Project description:Increasing evidence suggests that diverse RNA binding proteins interact with regulatory RNAs to regulate transcription. RBFox2 is a ubiquitous RNA binding protein with prevalent expression in stem cells, heart, and brain. Here, we report a systematic dissection of the RBFox2-regulated RNA program in the mouse heart, demonstrating its essential function for organizing the contractile apparatus and excitation-contraction (EC) coupling by modulating alternative splicing and microRNA activity. In this analysis, we unexpectedly encounter a major functional intersection between RBFox2 and Polycomb Complex 2 (PRC2), revealing a central requirement for RBFox2 to mediate genome-wide targeting of the PRC2 complex and transcriptional repression via chromatin-associated nascent RNAs. These findings unveil the mechanism underlying the enigmatic association of PRC2 with numerous active genes, highlight the importance of gene body sequences to gauge transcriptional output, and suggest nascent RNAs as critical signals for transcriptional feedback control to maintain homeostatic gene expression in mammalian cells. RASL-seq in cardiac myocytes (from WT and RBFox2 KO mouse hearts at ages of week 5, week 9 and week 18); RBFox2 whole cell and nucleus CLIP-seq in cardiac myocytes (from WT mouse hearts at age of week 9); Ago2 CLIP-seq in cardiac myocytes (from WT and RBFox2 KO mouse hearts at age of week 9); 3'-end RNA-seq in cardiac myocytes (from WT and RBFox2 KO mouse hearts at age of week 9); GRO-seq in mouse hearts (from WT and RBFox2 KO mice at age of week 9) and cultured MEF cells (negative control RNA, RBFox2 siRNA or SUZ12 siRNA treatment); RBFox2 and SUZ12 CHIP-seq in mouse hearts(from WT mice at age of week 9); RBFox2, SUZ12 and H3K27me3 CHIP-seq in cultured MEF cells (negative control RNA, RBFox2 siRNA or SUZ12 siRNA treatment, DRB treatment).
2015-10-22 | E-GEOD-57926 | biostudies-arrayexpress
Project description:Transcriptional analysis of early and late generation nuclear RNAi deficient animals
| PRJNA478309 | ENA
Project description:To characterize underlying changes in the retinal pigment epithelium (RPE)/choroid with age, we produced gene expression profiles for the RPE/choroid and compared the transcriptional profiles of the RPE/choroid from young and old mice. The changes in the aged RPE/choroid suggest that the tissue has become immunologically active. Such phenotypic changes in the normal aged RPE/choroid may provide a background for the development of age-related macular degeneration. Experiment Overall Design: We compared the gene expression of retinal pigmental epithelium/choroid from young and old animals. There were 4 samples from young mice and 4 samples from old mice. Each sample contained 4 retinal pigmental epithelium/choroid from 2 animals
2008-06-11 | E-GEOD-10965 | biostudies-arrayexpress
Project description:Rbfox proteins regulate alternative splicing, mRNA stability and translation. These proteins are involved in neurogenesis and have been associated with various neurological conditions. Here, we analyzed Rbfox2 expression in adult and developing mouse retinas and the effect of its downregulation on visual function and retinal transcriptome. In adult rodents, Rbfox2 is expressed in all retinal ganglion cell (RGC) subtypes, horizontal cells, as well as GABAergic amacrine cells (ACs). Among GABAergic AC subtypes, Rbfox2 was colocalized with cholinergic starburst ACs, NPY (neuropeptide Y)- and EBF1 (early B-cell factor 1)-positive ACs. In differentiating retinal cells, Rbfox2 expression was observed as early as E12 and, unlike Rbfox1, which changes its subcellular localization from cytoplasmic to predominantly nuclear at around P0, Rbfox2 remains nuclear throughout retinal development. Rbfox2 knockout in adult animals had no detectable effect on retinal gross morphology. However, the visual cliff test revealed a significant abnormality in the depth perception of Rbfox2-deficient animals. Gene set enrichment analysis identified genes regulating the RNA metabolic process as a top enriched class of genes in Rbfox2-deficient retinas. Pathway analysis of the top 100 differentially expressed genes has identified Rbfox2-regulated genes associated with circadian rhythm and entrainment, glutamatergic/cholinergic/dopaminergic synaptic function, calcium and PI3K-AKT signaling.
| S-EPMC7665016 | biostudies-literature
Project description:Purpose: The goals of this study are to compare transcriptomes using RNA-seq of mouse myoblasts (C2C12 cell line) in undifferentiated and differentiated states and with siRNA-mediated knock down of the RNA binding proteins, Rbfox1 (only expressed in differentiated state) and Rbfox2 (expressed in both undifferentiated and differentiated states). Methods: Differentiated and undifferentiated C2C12 cultures treated with Rbfox1 (differentiated only) or Rbfox2 siRNAs or a mock siRNA transfection were used for RNA-Seq analysis using Illumina HiSeq2000. 101x2 paired-end RNA-seq reads were first uniquely aligned to the mouse genome (mm9) using TopHat 1.4.1. RSEM was used to count the number of reads mapped to genes using UCSC database, followed by edgeR to call differentially expressed genes with false discovery rate less than 0.01. Cufflinks was used to reconstruct isoforms and analyze alternative splicing and percent spliced in (PSI) was calculated. PSI values were validated by RT-PCR. Results: 58-88% of the RNA-seq reads from technical and biological replicates mapped uniquely to the mouse genome. Analysis of gene expression and alternative splicing changes are published in Singh et al. Molecular Cell (2014). Conclusions: Our study has identified gene expression and alternative splicing transitions that occur during myoblast differentiation, demonstrate that 30% of the splicing transitions are regulated by Rbfox2, demonstrated that Rbfox2 is required for a late step of myoblast differentiation and identified two Rbfox2-regulated splicing transitions that are required for differentiation. Undifferentiated and differentiated C2C12 cultures with Rbfox2 depletion or Rbfox1 depletion (differentiated only) in at least duplicate samples analyzed by deep sequencing on Illumina HiSeq2000.
2014-07-15 | E-GEOD-58928 | biostudies-arrayexpress