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Comparison of splicing tools

ABSTRACT: Study that compares three commonly used event-based differential splicing tools: rMATS, MISO, and SUPPA2

ORGANISM(S): Homo sapiens

PROVIDER: GSE161144 | GEO | 2021/04/01

REPOSITORIES: GEO

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Comparison of splicing tools

Project description:Comparison of splicing tools

| PRJNA675664 | ENA

SFSWAP is a negative regulator of OGT intron detention and global pre-mRNA splicing [RNA-seq I]

Project description:In this study, we identified SFSWAP as a negative regulator of O-GlcNAc transferase (OGT) intron 4 detention and global pre-mRNA splicing using a CRISPR knockout screen in an O-GlcNAc responsive GFP reporter cell line. In order to characterize the functions of the protein, we performed siRNA mediated knockdown of SFSWAP followed by RNA-seq analysis under untreated conditions. Alternate splicing analysis using rMATS (and other tools) revealed enhanced splicing of retained introns and increased inclusion of cassette exons upon knockdown of SFSWAP, supporting an inhibitory role for SFSWAP in splicing.

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SFSWAP is a negative regulator of OGT intron detention and global pre-mRNA splicing [RNA-seq II]

Project description:In this study, we identified SFSWAP as a negative regulator of O-GlcNAc transferase (OGT) intron 4 detention and global pre-mRNA splicing using a CRISPR knockout screen in an O-GlcNAc responsive GFP reporter cell line. In order to characterize the functions of the protein, we performed siRNA mediated knockdown of SFSWAP followed by RNA-seq analysis under TG-treated conditions. In addition, we performed the same analysis under UPF1 knockdown conditions to stabilize NMD targeted transcripts. Alternate splicing analysis using rMATS (and other tools) revealed enhanced splicing of retained introns and increased inclusion of cassette exons upon knockdown of SFSWAP, supporting an inhibitory role for SFSWAP in splicing.

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Alternative splicing regulation by homologous Muscleblind proteins

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Alternative splicing regulation by homologous Muscleblind proteins

Project description:We provide data showing alternative splicing regulation by Muscleblind proteins in MEFs. MEFs lacking functional Muscleblind (DKO MEFs) were stably reconstituted with Muscleblind proteins from Homo sapiens, Ciona intestinalis, Drosophila melanogaster, Caenorhabditis elegans or Trichoplax adhaerens and splicing regulation was explored using RNA-seq analysis followed by MISO (Mixture of Isoforms). Alternative splicing was accessed using RNA-sequencing data from five DKO MEF lines reconstituted with different GFP-tagged Muscleblind homologs or GFP alone and compared to RNA-seq data from three WT MEF lines and three control DKO MEFs (no Muscleblind reconstitution). A total of 12 samples were used for high-throughput sequencing.

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Hotspot exons are common targets of splicing perturbations

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RNA-Seq: assessment of transcript level analysis tools [seq]

Project description:This study uses spiked-in transcript in order to compares various bioinformatics approaches and tools to assemble, quantify abundance and detect differentially expressed transcripts using RNA-Seq data. Mouse total RNA seq was extracted from embryonic stem cells (ES) before (designated as day 0) and four days after the addition of retinoic acid. 48 spikes were made in vitro from plasmid constructs and added to the total RNA in different concentrations (each mix has a set of different spike concentrations, see paper's method). We found that detection of differential expression at the gene level is acceptable, yet on the transcript-isofom level all tools tested were lacking accuracy and precision.

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Identification of the O-GlcNAc-regulated alternative splicing events by performing RNA sequencing on HeLa cells with altered O-GlcNAc level.

Project description:We performed RNA sequencing on HeLa cells treated with OGT inhibitor (Ac4-5SGlcNAc), DMSO, or OGA inhibitor (Thiamet-G) and obtained about 100 million paired-end reads (150 bp) for each replicate. Then the sequencing data was analyzed by MISO to select the O-GlcNAc-regulated alternative splicing events.

2019-05-13 | GSE131067 | GEO

Prolyl hydroxylation regulates protein degradation, synthesis, and splicing in human induced pluripotent stem cell-derived cardiomyocytes

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Alternative splicing analysis of SRRM1 or SRRM2 targets in THP-1 cells

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2022-08-30 | GSE199720 | GEO

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