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Effect of Dis3 depletion on gene expression in hematopoietic stem cells of C57BL/6 mice

ABSTRACT: Effect of Dis3 depletion on gene expression in hematopoietic stem cells of C57BL/6 mice

PROVIDER: PRJNA1021579 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26196943_1.fastq.gz	Fastqsanger.gz
	SRR26196943_2.fastq.gz	Fastqsanger.gz
	SRR26196944_1.fastq.gz	Fastqsanger.gz
	SRR26196944_2.fastq.gz	Fastqsanger.gz
	SRR26196945_1.fastq.gz	Fastqsanger.gz

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Effect of Dis3 depletion on gene expression in hematopoietic stem cells of C57BL/6 mice

Project description:Multiple myeloma (MM) is a plasma cell neoplasm that remains incurable regardless of the introduction of novel agents. Therefore, it is of necessity to decode the molecular mechanisms of myelomagenesis to identify novel therapeutic strategies. Recent advances in next-generation sequencing technologies have not only reconfirmed the significance of known driver events in MM but also have identified novel genetic alterations in MM. Importantly, mutations of DIS3 genes have been identified in ~10% of MM patients, and loss of heterozygosity at chromosome 13q that leads to deletion of one allele of DIS3 has been observed in ~ 40% of MM patients. However, the roles of DIS3 in hematopoiesis and myelomagenesis remain incompletely understood. Here we show that Dis3 prevents accumulation of DNA damage in hematopoietic cells, thereby supporting hematopoiesis. We also show that loss of Dis3 alone and in combination with c-MAF transgene in GC B cells do not exhibit plasma cell neoplasm in mice.

2024-02-28 | GSE244166 | GEO

Effect of DIS3 knockdown on circRNA expression

Project description:To investigate the effect of DIS3 KD on circRNA expression in 293T cell line

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DIS3 dysfunction suppresses altered alternative splicing in cells with the depletion of U2 snRNP component

Project description:Precise analysis of DIS3 interactors disclosed in genome-wide siRNA screening revealed enrichment in genes responsible for transcription and processes highly connected to it like splicing and 3’ end formation. Among the strongest positive interactors were components of of SF3a complex and some of SF3b complex. SF3a complex is a substantial integral component of the pre-spliceosome and is required for complex A and B assembly and plays crucial role in initial steps of spliceosome assembly.Transcriptome analysis demonstrated that depletion of SF3A1, one of three SF3a complex components, lead to extensive alterations in multiple classes of alternative splicing events (ASE). Remarkably, the only group of ASE that was reshaped in the presence of DIS3 dysfunction was intron retention. Detailed investigations of transcripts with altered intron retention revealed high enrichment in transcripts coding ribosomal proteins (Rps).

2021-03-31 | GSE155123 | GEO

DIS3 ribonuclease degrades Pou6f1 to promote mouse pre-implantation cell differentiation

Project description:Mammalian early embryonic development involves precisely regulated cell differentiation. Discovering new regulators and profiling their crosstalk have been extensively studied and remain open questions. To identify novel developmental repressors, we established the knockout mouse model of Dis3, an RNA exosome associated RNase. Homozygous Dis3 null embryos have morula-to-blastocyst transition arrest and they lack cell differentiation. By single embryo RNA-seq, we identified Pou6f1 accumulation by DIS3 depletion. Sustained POU6F1 binds and represses the transcription of Nanog and Cdx2. In addition, a broader role of POU6F1 in cell fate transition is also revealed from derived mouse embryonic stem cells. We also tested DIS3 mutations and discovered their effects in causing cell transformation. Our findings uncover a new regulatory pathway of DIS3-POU6F1 in regulating pre-implantation cell differentiation in early mammalian embryogenesis.

2022-04-28 | GSE201218 | GEO

The effect of Dis3 knockdown on miRNA expression in Drosophila wing imaginal discs.

Project description:We investigated the effect on miRNA expression in Drosophila melanogaster wing imaginal discs following the knockdown of the 3'-5' exoribonuclease Dis3.

2015-06-01 | E-MTAB-3569 | biostudies-arrayexpress

The effect of Asari Radix et Rhizoma on hematopoietic stem cells in C57BL/6 mouse.

Project description:To investigate the toxicity of long-term treatment with Asari Radix et Rhizoma on hematopoietic cells, we have performed the 28 days gavage administration of AR in C57BL/6 mouse. Then, we have harvested the RBC lysed bone marrow cells, and analyzed the RNA-seq. analysis.

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Effect of depletion of Elovl6 on gene expression of hematopoietic stem cells

Project description:Effect of depletion of Elovl6 on gene expression of hematopoietic stem cells

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DIS3 ablation in spermatocytes causes defective spermatogenesis in mice

Project description:Conditional inactivation of DIS3 in spermatocytes impairs meiotic progression and causes defective spermatogenesis in mice. scRNA-seq analysis indicates that DIS3 mutation significantly impairs spermatocytes meiotic progression and dysregulates transcriptome in spermatocytes. We show that DIS3 ribonuclease plays critical roles in male meiotic progression and spermatogenesis in mice.

2024-12-13 | GSE274927 | GEO

Human DIS3 shapes the RNA polymerase II transcriptome degrading variety of unwanted transcripts.

Project description:Human DIS3 is a nuclear, catalytic subunit of the exosome complex containing exonucleolytic and endonucleolytic active domains. To identify DIS3 targets genome-wide we conducted comprehensive transcriptomic analysis of HEK293 cells producing mutated DIS3 versions and Photoactivatable Ribonucleoside-Enhanced Crosslinking and Immunoprecipitation (PAR-CLIP) experiments. Pervasive transcription products like Promoter Upstream Transcripts (PROMPTs) accumulated robustly in catalytic DIS3 mutants, representing ~8% of PAR-CLIP reads. Importantly, RNAs originating from unannotated genomic regions increased ~2.5 times in double DIS3 mutants, covering ~70% of genome and allowing for discovery of thousands of novel transcripts. The first intron of many pre-mRNAs accumulated in DIS3 mutants indicating a widespread premature RNA polymerase II termination. The short form of NEAT1 lincRNA was overexpressed in DIS3 mutants, leading to increased number of paraspeckles. Moreover, there was a global deregulation of mRNAs in DIS3 double mutant. Finally, snoRNA precursors accumulated, which correlated with a strong PAR-CLIP signal indicating that DIS3 but not RRP6 is a main snoRNA processing enzyme. In aggregate, we demonstrate that DIS3 is a major nucleoplasmic activity responsible for shaping the human transcriptome.

2015-08-20 | GSE64332 | GEO

DIS3 ribonuclease is required for the maintenance of spermatogenic lineage in mice

Project description:Spermatogonial stem cells (SSCs) self-renewal and differentiation are the foundation for continious spermatognenesis in mice. Here, we investigate the essential role of DIS3 in maintaining SSC homeostasis and facilitating germ cell differentiation to ensure male fertility. Conditional inactivation of DIS3 in male germ cells have severely impaired SSC self-renewal and differentiation, which results in the failure of spermatogenesis associated with a Sertoli cell-only syndrome and adult sterility. RNA-seq analysis reveales that Dis3 deficiency abolishes its nucleolytic activity and causes significant dysregulation of the expression of transcripts in Dis3 mutant testes. We have also found that the pervasive transcription products described previously, such as Promoter Upstream Transcripts (PROMPTs), accumulate robustly upon DIS3 dysfunction in Dis3 cKO testes. In addition, scRNA-seq analysis indicates that DIS3 mutation significantly impairs germline stem cell development that blocks stem cell proliferation and differentiation. Overall, we show that DIS3 ribonuclease plays a critical role in the maintenance of spermatogenic lineage during spermatogenesis in mice.

2020-08-20 | GSE156505 | GEO

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