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The Heterogeneous Nuclear Ribonucleoprotein U (HNRNPU) is the Safeguard of Neural Stem Cell Viability

ABSTRACT: The Heterogeneous Nuclear Ribonucleoprotein U (HNRNPU) is the Safeguard of Neural Stem Cell Viability

PROVIDER: PRJNA752358 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15354315.fastq.gz	Fastqsanger.gz
	SRR15354316.fastq.gz	Fastqsanger.gz
	SRR15354317.fastq.gz	Fastqsanger.gz
	SRR15354318.fastq.gz	Fastqsanger.gz
	SRR15354319_1.fastq.gz	Fastqsanger.gz

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The Heterogeneous Nuclear Ribonucleoprotein U (HNRNPU) is the Safeguard of Neural Stem Cell Viability

Project description:To study Hnrnpu function during cortical development we preformed single-cell RNA sequencing (scRNA-seq) on mouse neutrosphere cultures derived from E13 ICR cortices, 24 hours following treatment with CRISPR/CAS9 and two sgRNA sequences targeting mouse Hnrnpu. In parallel, we analyzed bulk RNA-seq from dissected cortices of E13 embryos in which Hnrnpu conditional truncation in the telencephalon was driven by Emx1::Cre. Additionally, we analyzed MARS-Seq trancriptomal profiles of cortices of E13 embryos carrying homozygous heterozygous or wildtype alleles of Hnrnpu truncation (Emx1::Cre driver) in combination with homozygous or heterozygous conditional deletion of Tp53

2022-06-07 | GSE181527 | GEO

Deficiency of the Heterogeneous Nuclear Ribonucleoprotein U locus leads to delayed hindbrain neurogenesis

Project description:Genetic variants affecting Heterogeneous Nuclear Ribonucleoprotein U (HNRNPU) have been identified in several neurodevelopmental disorders (NDDs). HNRNPU is widely expressed in the human brain and shows the highest postnatal expression in the cerebellum. Recent studies have investigated the role of HNRNPU in cerebral cortical development, but the effects of HNRNPU deficiency on cerebellar development remain unknown. Here, we describe the molecular and cellular outcomes of HNRNPU locus deficiency during in vitro neural differentiation of patient-derived and isogenic neuroepithelial stem cells with a hindbrain profile. We demonstrate that HNRNPU deficiency leads to chromatin remodeling of A/B compartments, and transcriptional rewiring, partly by impacting exon inclusion during mRNA processing. Genomic regions affected by the chromatin restructuring and host genes of exon usage differences show a strong enrichment for genes implicated in epilepsies, intellectual disability, and autism. Lastly, we show that at the cellular level. HNRNPU downregulation leads to altered neurogenesis and an increased fraction of neural progenitors in the maturing neuronal population. We conclude that, HNRNPU locus is involved in delayed commitment of neural progenitors to neuronal maturation in cell types with hindbrain profile.

2023-10-02 | GSE229004 | GEO

Gene expression and splicing regulation by hnRNPU in skeletal muscle

Project description:Hnrnpu is the largest member of the heterogenous nuclear ribonucleoprotein family of RNA binding proteins. Hnrnpu is involved in pre-mRNA alternative splicing regulation. We used high throughput sequencing to determine how Hnrnpu regulates skeletal muscle physiology.

2020-07-06 | GSE145712 | GEO

Transcriptomic analysis of gastric cancer cells in response to stable over-expression of circRNA derived from hnRNPU (circ-hnRNPU)

Project description:Circular RNA (circRNA) is a type of endogenous single-stranded and covalently closed non-coding RNA that plays emerging roles in tumorigenesis and aggressiveness. However, the functions and underlying mechanisms of circRNAs in regulating gastric cancer progression still remain elusive. We identify circ-hnRNPU, a circRNA derived from exons 5, 6, 7 and 8 of heterogeneous nuclear ribonucleoprotein U (hnRNPU), as a tumor suppressor of gastric cancer progression. To investigate the mechanisms underlying the functions of circ-hnRNPU, we employed the Illumina HiSeq X Ten as a discovery platform to analyze the transcriptome profiling changes of human gastric cancer MKN-45 and AGS cells in response to stable over-expression of circ-hnRNPU. The results showed that stable over-expression of circ-hnRNPU led to altered expression of 112 human mRNAs, including 64 up-regulated and 48 down-regulated genes, in both MKN-45 and AGS cells. Furthermore, we validated the RNA-seq results by real-time RT-PCR with high identity. Overall, our results provided fundamental information about the transcriptomic changes in response to circ-hnRNPU over-expression in human gastric cancer cells, and these findings will help us understand the pathogenesis of cancer progression.

2024-11-02 | GSE246847 | GEO

Deficiency of the Heterogeneous Nuclear Ribonucleoprotein U locus leads to delayed hindbrain neurogenesis

Project description:Deficiency of the Heterogeneous Nuclear Ribonucleoprotein U locus leads to delayed hindbrain neurogenesis

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HNRNPU regulates lncRNAs nuclear localization

Project description:To elucidate the role of HNRNPU in regulation of lncRNAs nuclear localization, we knocked down HNRNPU in K562 cells using short interfering RNAs and performed subcellular RNA-seq using nuclear or cytosolic RNAs

2021-01-23 | GSE165310 | GEO

Muscle Developmental Defects in Heterogeneous Nuclear Ribonucleoprotein A1 Knockout Mice

Project description:Transcriptome analysis of total RNA samples from heart tissue of knockout mice Alternative splicing is the main mechanism to increase protein diversity from an mRNA. Heterogeneous ribonucleoprotein (hnRNP) family members are vital regulators of alternative splicing. The hnRNP A1 is the most well-known protein in this family, but its role in embryonic development is not well understood. We generated hnRNP A1 knockout mice to study the function of hnRNP A1 in vivo. The hnRNP A1-depleted mice showed embryonic lethality because of muscle developmental defects. In a previous study, cellular hnRNP A2/B1 was reported to be capable of compensating for the expression of hnRNP A1. However, this phenomenon did not occur in the hnRNP A1 heterozygous mice in vivo. We demonstrated that hnRNP A1 regulated muscle-related genes expression and alternative splicing. In summary, our data demonstrated that hnRNP A1 plays a critical role in embryonic muscle development. Understanding the effects of hnRNP A1 in vivo may help to define the function of hnRNP A1 in alternative splicing.

2016-12-05 | GSE79076 | GEO

Next Generation Sequencing Analysis of control and knockdown of hnRNPU in RKO cells

Project description:We knockdown the control and the hnRNPU gene in the RKO cells, then extracted the total RNAs and performed the next generation sequencing. By comparing sequencing data from control and knockdown of hnRNPU cells,we profield the downstream targets of the hnRNPU gene.

2022-12-10 | GSE141771 | GEO

Heterogeneous ribonucleoprotein interactions and impeded translational elongation in the respiratory tissue of SARS-CoV-2 pathology

Project description:Heterogeneous ribonucleoprotein interactions and impeded translational elongation in the respiratory tissue of SARS-CoV-2 pathology

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Genome-wide maps of nuclear lamina interactions in AML12 cells upon HNRNPU KD [DamID]

Project description:Higher-order chromatin conformation plays critical role in regulating gene expression and biological development, here we show that HNRNPU, a nuclear matrix attachment factor, is a regulator of 3D genome architecture at multiple levels in mouse hepatocytes. We demonstrate that depletion of HNRNPU results into a global reorganization of nuclear bodies and re-localization of chromatin towards nuclear periphery. Additionally, upon HNRNPU depletion, chromatin interactions between A-type (active) and B-type (inactive) compartments increase significantly but those among same types of compartments decrease significantly, which associate with global gene expression changes. While TADs remain largely invariant, both inter- and intra-TAD interactions increase significantly in A-type compartments but decrease in B-type compartments. Mechanically, HNRNPU complexes with structural proteins CTCF and RAD21; depletion of HNRNPU specifically weakens the bindings of RAD21 to the chromatin, which is highly correlated with the weakness of chromatin loops.

2017-12-03 | GSE95115 | GEO

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