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DIS3 ablation in spermatocytes causes defective spermatogenesis in mice

ABSTRACT: DIS3 ablation in spermatocytes causes defective spermatogenesis in mice

PROVIDER: PRJNA1148489 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30252612.fastq.gz	Fastqsanger.gz
	SRR30252613.fastq.gz	Fastqsanger.gz
	SRR30252614.fastq.gz	Fastqsanger.gz
	SRR30252615.fastq.gz	Fastqsanger.gz
	SRR30252616.fastq.gz	Fastqsanger.gz

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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

DIS3 is essential for male germ cell meiosis and spermatogenesis in mice

Project description:Male germ cell meiosis is essential for generating haploid spermatozoa in mice. Here, we investigate the essential role of DIS3 in male germ cell meiosis in mice. Conditional inactivation of DIS3 in spermatocytes with Stra8-cre transgenic mice have severely impaired meiotic progression, which results in defective meiosis and spermatogenesis. RNA-seq analysis reveals that Dis3 deficiency causes significant dysregulation of the expression of transcripts in mutant testes. Meiosis-associated genes are significantly decreased in the absence of DIS3. Therefore, we show that DIS3 ribonuclease plays a critical role in germ cell meiosis during spermatogenesis in mice.

2021-07-16 | GSE180197 | 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

DIS3 mediated RNA decay is required for 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 reveals 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.

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DIS3 is essential for male germ cell meiosis and spermatogenesis in mice

Project description:DIS3 is essential for male germ cell meiosis and spermatogenesis in mice

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H3K27 acetylation and gene expression during late spermatogenesis

Project description:ChIP-seq for H3K27 acetylation and RNA-seq were performed during spermatogenesis. We analyzed two representative stages of spermatogenesis: purified pachytene spermatocytes (PS) undergoing meiosis; and postmeiotic round spermatids (RS) from adult testes.

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Active enhancer landscape during spermatogenesis.

Project description:Active enhancers are identified by H3K27ac ChIP-seq analysis. To determine the dynamics of active enhancers during spermatogenesis, we performed H3K27ac ChIP-seq and detected reagions of active enhancers during spermatogenesis. We analyzed four representative stages of spermatogenesis: Thy1+ undifferentiated spermatogonia, which contains spermatogonial stem cells and progenitor cells; c-Kit+ differentiating spermatogonia from P7 testes; purified pachytene spermatocytes (PS) undergoing meiosis; and postmeiotic round spermatids (RS) from adult testes.

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Regulatory mechanisms on the early process of mouse spermatogenesis investigated by digital gene expression tag profiling analysis

Project description:A detailed understanding of the gene regulation mechanisms in premeiosis cells is germane to understanding normal spermatogenesis. The genome-wide expression profiles of type B spermatogonia and primary spermatocytes in mouse were investigated using Solexa/Illumina’s digital gene expression (DGE) system, a tag based high-throughput transcriptome sequencing method, and the developmental process of early spermatogenesis was analyzed systematically. The results suggested that the expression pattern of mouse type B spermatogonia and primary spermatocytes was changed dramatically, especially the genes related to junction assembly, regulation of actin cytoskeleton and pluripotency. The change of the expression levels of these pathways’ main components may be affected by corresponding miRNAs through post-transcriptional regulation. The analysis results will benefit for better understanding the molecular mechanism of early spermatogenesis process. Using DGE technology to examine gene expression pattern's change between mouse type B spermatogonia and primary spermatocytes cell types.

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