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CRISPR-TRAPSeq identifies the QKI RNA binding protein as important for astrocytic maturation and control of thalamocortical synapses (TRAP-Seq dataset)

ABSTRACT: CRISPR-TRAPSeq identifies the QKI RNA binding protein as important for astrocytic maturation and control of thalamocortical synapses (TRAP-Seq dataset)

PROVIDER: PRJNA612470 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11303716_1.fastq.gz	Fastqsanger.gz
	SRR11303716_2.fastq.gz	Fastqsanger.gz
	SRR11303717_1.fastq.gz	Fastqsanger.gz
	SRR11303717_2.fastq.gz	Fastqsanger.gz
	SRR11303718_1.fastq.gz	Fastqsanger.gz

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CRISPR-TRAPSeq identifies the QKI RNA binding protein as important for astrocytic maturation and control of thalamocortical synapses

Project description:CRISPR-TRAPSeq identifies the QKI RNA binding protein as important for astrocytic maturation and control of thalamocortical synapses

| PRJNA613058 | ENA

CRISPR-TRAPSeq identifies the QKI RNA binding protein as important for astrocytic maturation and control of thalamocortical synapses (TRAP-Seq dataset)

Project description:Quaking RNA binding protein(QKI) is essential for oligodendrocyte development as myelination requires MBP mRNA regulation and localization to distal processes by its cytoplasmic isoforms(e.g. QKI-6). QKI-6 is also highly expressed in astrocytes, which we and others recently demonstrated have regulated mRNA localization. Here, we show via CLIPseq that QKI-6 binds 3’UTRs of a subset of astrocytic mRNAs, including many enriched in peripheral processes. Binding is enriched near stop codons, which is mediated partially by QKI binding motifs(QBMs) yet spreads to adjacent sequences. We developed CRISPR TRAPseq: a viral approach for mosaic, cell-type specific gene mutation with simultaneous translational profiling. This enabled study of QKI-6 CLIP targets in QKI-deleted astrocytes in an otherwise normal brain. Astrocyte-targeted QKI deletion altered translation and maturation, while also increasing synaptic density within the astrocyte's territory. Overall, our data indicate QKI is required for astrocyte maturation and demonstrate an approach for a highly targeted translational assessment of gene knockout in specific cell-types in vivo.

2021-01-21 | GSE146935 | GEO

CRISPR-TRAPSeq identifies the QKI RNA binding protein as important for astrocytic maturation and control of thalamocortical synapses (CLIP-Seq dataset)

Project description:CRISPR-TRAPSeq identifies the QKI RNA binding protein as important for astrocytic maturation and control of thalamocortical synapses (CLIP-Seq dataset)

| PRJNA613063 | ENA

CRISPR-TRAPSeq identifies the QKI RNA binding protein as important for astrocytic maturation and control of thalamocortical synapses

Project description:This SuperSeries is composed of the SubSeries listed below.

2021-01-21 | GSE147121 | GEO

CRISPR-TRAPSeq identifies the QKI RNA binding protein as important for astrocytic maturation and control of thalamocortical synapses (CLIP-Seq dataset)

Project description:We immunoprecipitated QK-6 from P21 mouse brains to identify which mRNAs QK-6 binds to in vivo.

2021-01-21 | GSE147119 | GEO

Morphine PVT TRAPSeq

Project description:Morphine PVT TRAPSeq

| PRJNA885894 | ENA

QKI and miR-155 in inflammation and leukemogenesis

Project description:Transcription profiling by array of siRNA against Quaking (QKI) transcripts to identify transcripts that are modulated by QKI activity. MiR-155 is an oncogene and we report here that it targets QKI transcripts. Therefore, we believe that QKI acts as a tumor suppressor gene in different leukemias. We ablated the expression of QKI transcripts using siRNAs in order to further elucidate the effects of QKI in leukemogenesis, and how miR-155 and QKI functionally interact with each other.

2016-01-17 | E-MTAB-2375 | biostudies-arrayexpress

Genomewide analysis of QKI-dependent alternative splicing

Project description:To identify QKI targets, we performed QKI knockdown in BEAS2B cells and analyzed alternative splicing patterns by high-throughput RNA sequencing. The mRNA profiles of control- and QKI-knockdown BEAS2B cells were generated by deep sequencing using Illumina GAIIx sequencer.

2014-04-14 | E-GEOD-55215 | biostudies-arrayexpress

Analysis of gene expression in QKI knockdown CG-4 cells

Project description:QKI is required for myelin formation in the verterbrate brain. It functions by binding RNA and regulating its stability, translation, and/or aternative splicing. We have used Affymetrix exon arrays to assess changes in gene expression in response to QKI knockdown on an exon level in rat CG-4 oligodendrocyte precursor cells. Knockdown cells were compared to control cells. Knockdown groups included QKI siRNA transfection, QKI shRNA stable transfection, and hnRNP A1 transient transfection. Control groups consisted of untransfected, control siRNA transfection, control shRNA stable transfection. Each group was analyzed in triplicate.

2011-01-20 | E-GEOD-26716 | biostudies-arrayexpress

Genomewide analysis of QKI-dependent alternative splicing

Project description:To identify QKI targets, we performed QKI knockdown in BEAS2B cells and analyzed alternative splicing patterns by high-throughput RNA sequencing.

2014-04-14 | GSE55215 | GEO

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