ICLIP analysis of RNA bound by FUS in human brain
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ABSTRACT:
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| ERR868535.fastq.gz | Fastqsanger.gz | |||
| ERR868536.fastq.gz | Fastqsanger.gz | |||
| ERR868537.fastq.gz | Fastqsanger.gz |
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Project description:RNA abundance decreases linearly from the 5′ to 3′ end of long introns to create “saw-tooth” patterns, and these can be used to infer locations of major splicing events. FUS binds across entire pre-mRNAs with limited sequence specificity, permitting examination of these saw-tooth patterns. We used FUS iCLIP from the human brain to identify deviations from the expected linear decrease of reads across long introns that correspond to recursive splicing events. iCLIP protocol was followed to isolate RNA bound to FUS protein and amplify cDNA library as described in the manuscript. Specific barcodes were used for each RT reaction, and are specified in the library construction protocol for each sequencing run. Random barcodes were also incorporated into cDNAs to distinguish between PCR duplication of cDNA products. The final products were obtained by PCR with Illumina paired-end sequencing primers: 5-CAAGCAGAAGACGGCATACGAGATCGGTCTCGGCATTCCTGCTGAACCGCTCTTCCGATCT-3; 5-AATGATACGGCGACCACCGAGATCTACACTCTTTCCCTACACGACGCTCTTCCGATCT-3
2015-05-05 | E-MTAB-3534 | biostudies-arrayexpress
Project description:In the present study, we performed HITS-CLIP analysis for FUS using mouse brain to extensively characterize tits RNA-binding sites and functional roles in RNA metabolisms. We identified preferential binding of FUS to stem-and-loop structures but without any discernible consensus motifs. FUS was preferentially bound to introns and 3' untranslated regions, but the exon/intron boundaries were mostly devoid of FUS-tags. Analysis of position-dependence of FUS-binding sites in regulating inclusion and skipping of exons disclosed that FUS is bound broadly around the alternatively spliced exons. Among them, however, noticeable CLIP-tags were observed in the downstream introns. We also noticed that FUS occasionally binds to the antisense strands in the promoter regions. Global analysis of CLIP-tags and expression profiles revealed that binding of FUS to the promoter antisense regions downgregulates transcription of the sense strand. HITS-CLIP (High Throughput Sequencing after Crosslinking and Immunoprecipitation) experiments targeting FUS in mouse cerebrums derived from 12-week-old C57BL/6 mice
2012-07-26 | E-GEOD-37190 | biostudies-arrayexpress
Project description:In the present study, we performed HITS-CLIP analysis for FUS using mouse brain to extensively characterize tits RNA-binding sites and functional roles in RNA metabolisms. We identified preferential binding of FUS to stem-and-loop structures but without any discernible consensus motifs. FUS was preferentially bound to introns and 3' untranslated regions, but the exon/intron boundaries were mostly devoid of FUS-tags. Analysis of position-dependence of FUS-binding sites in regulating inclusion and skipping of exons disclosed that FUS is bound broadly around the alternatively spliced exons. Among them, however, noticeable CLIP-tags were observed in the downstream introns. We also noticed that FUS occasionally binds to the antisense strands in the promoter regions. Global analysis of CLIP-tags and expression profiles revealed that binding of FUS to the promoter antisense regions downgregulates transcription of the sense strand.
2012-07-26 | GSE37190 | GEO
Project description:iCLIP-Seq analyses of NSP12-bound RNAs
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Project description:DDX46 is identified to be required at the early step of pre-spliceosome assembly,but the potential roles of DDX46 in RNA editing and whether DDX46 could regulate antiviral innate immunity by editing antiviral transcripts in the nucleus remain elusive. iCLIP-Seq analyses of DDX46-bound RNAs from uninfected and VSV-infected RAW264.7 cells
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Project description:In this study we analyze the in vivo recruitment of mouse brain nuclear Rbfox proteins to RNA using individual-nucleotide resolution UV cross-linking and immunoprecipitation (iCLIP). Rbfox1, Rbfox, 2, and Rbfox3 iCLIP libraries were constructed from high molecular weight (HMW) nuclear fraction containing chromatin and the soluble nucleoplasm.
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Project description:FUS, an RNA binding protein was recently implicated in Amyotrophic Lateral Sclerosis (ALS). ALS is a fatal neurodegenerative disease. We report the identification of the conserved neuronal RNA targets of FUS and the assessment of the impact of FUS depletion on the neuronal transcriptome. We identified that FUS regulates splicing of conserved intron containing transcripts. FUS retains or excludes the conserved intron by binding to them. Identification of FUS neuronal targets using normal human brain samples and mouse neurons
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Project description:Stau2 iCLIP of mouse brain was performed to identify RNA binding sites of Stau2 protein in mouse brain cells. The experiment was performed in triplicate, and each of the replicates was split into two separate halves at the cDNA stage, which together led to 6 separate datasets. The iCLIP protocol includes the following steps; Embryonic day 18 whole mouse brain was dissociated and irradiated with UV-C light, and the cells were then lysed using a buffer containing detergents. The RNAs were partially digested, and Stau2 and the cross-linked RNA fragments were immunoprecipitated using anti-Stau2 antibody. A DNA adaptor was then ligated to the RNA fragments and the cross-linked RNAs were further purified by SDS-PAGE and nitrocellulose membrane transfer. The RNAs were extracted from the membrane by proteinase K treatment, and converted into a high-throughput DNA sequencing compatible library by reverse transcription and PCR. For further details, see the methods of the associated manuscript. Note that the sequence reads start with (3 nucleotides of unique molecular identifiers) + (4 nucleotides of experimental barcode) + (2 nucleotides of unique molecular identifiers) followed by the sequence of the cross-linked RNA fragments.
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Project description:AGO-iCLIP-seq was utilized to characterize the RNAs bound to AGO in human neural stem cells infected with Zika virus strains Paraiba at MOI 1. miRNAs and mRNAs were analyzed to determine changes in RNAs loaded into the RISC 4 days post-infection.
2019-06-18 | GSE113638 | GEO