RNA-seq and IP-seq of Rbfox1(WT)/LASR and Rbfox1(F125A)/LASR
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ABSTRACT:
PROVIDER: PRJNA1134671 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR29760185_1.fastq.gz | Fastqsanger.gz | |||
| SRR29760185_2.fastq.gz | Fastqsanger.gz | |||
| SRR29760186_1.fastq.gz | Fastqsanger.gz | |||
| SRR29760186_2.fastq.gz | Fastqsanger.gz | |||
| SRR29760187_1.fastq.gz | Fastqsanger.gz |
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Project description:IP-seq of nuclease-protected RNA associated with Rbfox1(WT)/LASR and Rbfox1(F125A)/LASR
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Project description:Rbfox1(WT) has a high affinity for GCAUG whereas Rbfox1(F125A) has a lower affinity for this motif. LASR associated with each protein was purified, nuclease-protected RNA was extracted, and libraries were prepared from both samples. A third control sample is the same protocol applied to cells that don't express FLAG-tagged Rbfox.
2025-02-10 | GSE272004 | GEO
Project description:This SuperSeries is composed of the SubSeries listed below.
2025-02-10 | GSE272026 | GEO
Project description:hnRNP M and Rbfox proteins are subunits of the Large Assembly of Splicing Regulators (LASR). The purpose of this study is to investigate how these two splicing factors affect each others' role in regulating splice site choices in pre-mRNA. hnRNP M is knocked down by RNAi in Flp-In T-REx 293 cells (Invitrogen), whereas Rbfox1 is expressed inducibly under tetracycline control from construct integrated into the genome at the FRT site. Using this system, splicing and expression profiles of cells expressing and/or lacking these proteins are compared on a whole genome level by RNA-seq technology.
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Project description:Human genetic studies have identified the neuronal RNA binding protein, Rbfox1, as a candidate gene for autism spectrum disorders. While Rbfox1 functions as a splicing regulator in the nucleus, it is also alternatively spliced to produce cytoplasmic isoforms. To investigate cytoplasmic Rbfox1, we knocked down Rbfox proteins in mouse neurons and rescued with cytoplasmic or nuclear Rbfox1. Transcriptome profiling showed that nuclear Rbfox1 rescued splicing changes induced by knockdown, whereas cytoplasmic Rbfox1 rescued changes in mRNA levels. iCLIP-seq of subcellular fractions revealed that in nascent RNA Rbfox1 bound predominantly to introns, while cytoplasmic Rbox1 bound to 3' UTRs. Cytoplasmic Rbfox1 binding increased target mRNA stability and translation, and overlapped significantly with miRNA binding sites. Cytoplasmic Rbfox1 target mRNAs were enriched in genes involved in cortical development and autism. Our results uncover a new Rbfox1 regulatory network and highlight the importance of cytoplasmic RNA metabolism to cortical development and disease. In this data set, we included the data from RNA-seq experiments. We performed RNA-seq to profile gene expression and splicing changes. The expression levels of Rbfox1 and Rbfox3 in cultured mouse hippocampal neurons were reduced by siRNAs. The reduction of Rbfox1 and 3 was rescued by expression of cytoplasmic or nuclear Rbfox1 splice isoform. The gene expression and splicing profiles were compared between different treatments. Eight samples were analyzed.
2015-12-10 | E-GEOD-71916 | biostudies-arrayexpress
Project description:Rbfox1 regulates the alternative splicing of many transcripts in neurons. We have characterized the Rbfox1-dependent changes in expression and alternative splicing by comparing Rbfox1-KO brain to WT brain. In this dataset, we include the splicing and expression data obtained from dissected WT and Rbfox1 KO mouse brains. 6 total samples were analyzed: brains from 3 WT male mice and 3 Rbfox1 KO male mice, all 1 month of age.
2011-05-16 | E-GEOD-28421 | biostudies-arrayexpress
Project description:Expression and alternative splicing data from 1-month-old Rbfox1 KO brain. Rbfox1 regulates the alternative splicing of many transcripts in neurons. We have characterized the Rbfox1-dependent changes in expression and alternative splicing by comparing Rbfox1-KO brain to WT brain. In this dataset, we include the splicing and expression data obtained from dissected WT and Rbfox1 KO mouse brains.
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Project description:Human genetic studies have identified the neuronal RNA binding protein, Rbfox1, as a candidate gene for autism spectrum disorders. While Rbfox1 functions as a splicing regulator in the nucleus, it is also alternatively spliced to produce cytoplasmic isoforms. To investigate cytoplasmic Rbfox1, we knocked down Rbfox proteins in mouse neurons and rescued with cytoplasmic or nuclear Rbfox1. Transcriptome profiling showed that nuclear Rbfox1 rescued splicing changes induced by knockdown, whereas cytoplasmic Rbfox1 rescued changes in mRNA levels. iCLIP-seq of subcellular fractions revealed that in nascent RNA Rbfox1 bound predominantly to introns, while cytoplasmic Rbox1 bound to 3' UTRs. Cytoplasmic Rbfox1 binding increased target mRNA stability and translation, and overlapped significantly with miRNA binding sites. Cytoplasmic Rbfox1 target mRNAs were enriched in genes involved in cortical development and autism. Our results uncover a new Rbfox1 regulatory network and highlight the importance of cytoplasmic RNA metabolism to cortical development and disease. In this data set, we included the data from RNA-seq experiments.
2015-12-10 | GSE71916 | GEO
Project description:Human genetic studies have identified the neuronal RNA binding protein, Rbfox1, as a candidate gene for autism spectrum disorders. While Rbfox1 functions as a splicing regulator in the nucleus, it is also alternatively spliced to produce cytoplasmic isoforms. To investigate cytoplasmic Rbfox1, we knocked down Rbfox proteins in mouse neurons and rescued with cytoplasmic or nuclear Rbfox1. Transcriptome profiling showed that nuclear Rbfox1 rescued splicing changes induced by knockdown, whereas cytoplasmic Rbfox1 rescued changes in mRNA levels. iCLIP-seq of subcellular fractions revealed that in nascent RNA Rbfox1 bound predominantly to introns, while cytoplasmic Rbox1 bound to 3' UTRs. Cytoplasmic Rbfox1 binding increased target mRNA stability and translation, and overlapped significantly with miRNA binding sites. Cytoplasmic Rbfox1 target mRNAs were enriched in genes involved in cortical development and autism. Our results uncover a new Rbfox1 regulatory network and highlight the importance of cytoplasmic RNA metabolism to cortical development and disease. In this data set, we included the data from iCLIP-seq experiments. We performed iCLIP procedures to identify Rbfox1 binding in the cytoplasm. Cultured mouse forebrain neurons were irradiated with UV and a cytoplasmic fraction was purified for immunoprecipitation. An anti-Rbfox1 antibody was used to immunoprecipitate Rbfox1 target RNAs and an anti-Flag antibody was used as control. Two samples were analyzed.
2015-12-10 | E-GEOD-71790 | biostudies-arrayexpress
Project description:Dysregulation of the brain-enriched RNA binding protein Rbfox1 has been linked to neurologic diseases such as epilepsy and autism spectrum disorders. However, it remains unexplored how distinct neuronal populations might contribute to neurologic dysfunction resulting from Rbfox1 loss. To examine these issues we profiled gene expression specifically in the hippocampus of wildtype and Rbfox1-/- mice. We identified transcripts whose expression was strongly Rbfox1-dependent and exhibited significant Rbfox1 binding in their 3’UTRs. One prominent target, Vamp1, was found to be specifically expressed in GABAergic interneurons. Both Vamp1 knockdown and Rbfox1 loss led to decreased synaptic transmission, and altered E/I balance in the Rbfox1-/- hippocampus, indicating that Vamp1 loss is a major component of the Rbfox1-/- physiological phenotype. The cytoplasmic isoform of Rbfox1 was sufficient to rescue Vamp1 expression in Rbfox1-/- neurons. We show that Rbfox1 binding in the Vamp1 3’UTR promotes its expression in part by antagonizing the brain-enriched microRNA-9. These results demonstrate that inhibitory neurons maintain specialized synaptic vesicle release machinery containing Vamp1 that is critically regulated by Rbfox1.
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