Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA118587 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR031683.fastq.gz | Fastqsanger.gz | |||
| SRR031684.fastq.gz | Fastqsanger.gz | |||
| SRR031685.fastq.gz | Fastqsanger.gz | |||
| SRR031686.fastq.gz | Fastqsanger.gz | |||
| SRR031687.fastq.gz | Fastqsanger.gz |
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Project description:The histone H3 lysine 9 (H3K9) methyltransferase Eset is an epigenetic regulator critical for the development of the inner cell mass (ICM). Although ICM-derived embryonic stem (ES) cells are normally unable to contribute to the trophectoderm (TE) in blastocysts, we find that depletion of Eset by shRNAs leads to differentiation with the formation of trophoblast-like cells and induction of trophoblast-associated gene expression. Using ChIP-seq analyses, we identified Eset target genes with Eset-dependent H3K9 trimethylation. We confirmed that genes that are preferentially expressed in the TE (Tcfap2a and Cdx2) are bound and repressed by Eset. Single cell PCR analysis shows that the expression of Cdx2 and Tcfap2a is also induced in Eset-depleted morula cells. Importantly, Eset-depleted cells can incorporate into the TE of a blastocyst and subsequently placental tissues. Co-immunoprecipitation and ChIP assays further demonstrates that Eset interacts with Oct4, which in turn recruits Eset to silence these trophoblast-associated genes. Our result suggests that Eset restricts the extraembryonic trophoblast lineage potential of pluripotent cells and links an epigenetic regulator to key cell fate decision through a pluripotency factor. Keywords: Epigenetics Examine Eset-binding sites and compare the H3K9me3 state between Eset knockdown mouse ES cells and control knockdown mouse ES cells.
2009-11-04 | E-GEOD-17642 | biostudies-arrayexpress
Project description:We generated genome-wide H3K9me3-state maps of DP thymocytes purified from ESET+/+ and ESET-/- mice by using next generation sequencing.
2016-01-01 | GSE73831 | GEO
Project description:We generated genome-wide H3K9me3-state maps of DP thymocytes purified from ESET+/+ and ESET-/- mice by using next generation sequencing. Examination of H3K9 trimethylation in DP thymocytes purified from ESET+/+ and ESET-/- mice.
2016-07-03 | E-GEOD-73831 | biostudies-arrayexpress
Project description:Deciphering the mechanisms that control the pluripotent ground state is key for understanding embryonic development. Nonetheless, the epigenetic regulation of ground-state mouse embryonic stem cells (mESCs) is not fully understood. Here, we identify the epigenetic protein MPP8 as being essential for ground-state pluripotency. Its depletion leads to cell cycle arrest and spontaneous differentiation. MPP8 has been suggested to repress LINE1 elements by recruiting the human silencing hub (HUSH) complex to H3K9me3-rich regions. Unexpectedly, we find that LINE1 elements are efficiently repressed by MPP8 lacking the chromodomain, while the unannotated C-terminus is essential for its function. Moreover, we show that SETDB1 recruits MPP8 to its genomic target loci, whereas transcriptional repression of LINE1 elements is maintained without retaining H3K9me3 levels. Taken together our findings demonstrate that MPP8 protects the DNA-hypomethylated pluripotent ground state through its association with the HUSH core complex, however, independently of detectable chromatin binding and maintenance of H3K9me3.
2021-03-21 | PXD019345 | Pride
Project description:Mapping of transcription factor binding sites in mouse embryonic stem cells
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Project description:Constitutive heterochromatin is enriched in repetitive elements, including endogenous retroviral element (ERV) sequences that must be repressed to sustain normal cell developmental programs and prevent chromosomal instability. ERVs are silenced through trimethylation of lysine 9 on histone H3 (H3K9me3) by ESET (also known as SETDB1, SET domain bifurcated 1, or KMT1E) and a co-repressor complex containing KAP1 (KRAB-associated protein 1, also known as tripartite motif-containing protein 28, Trim28) in mouse embryonic stem cells. H3K9me3 then serves as a scaffold for the recruitment of proteins that maintain ERVs in a transcriptionally silent state, including the HP1 proteins that themselves interact with the co-repressor KAP1. In this study, we provide structural insights into the KAP1-HP1 interaction. Further, we demonstrate that this interaction plays a role in maintaining inaccessible chromatin at specific ERV elements in embryonic stem cells (ESCs).
2025-06-02 | GSE293913 | GEO
Project description:Constitutive heterochromatin is enriched in repetitive elements, including endogenous retroviral element (ERV) sequences that must be repressed to sustain normal cell developmental programs and prevent chromosomal instability. ERVs are silenced through trimethylation of lysine 9 on histone H3 (H3K9me3) by ESET (also known as SETDB1, SET domain bifurcated 1, or KMT1E) and a co-repressor complex containing KAP1 (KRAB-associated protein 1, also known as tripartite motif-containing protein 28, Trim28) in mouse embryonic stem cells. H3K9me3 then serves as a scaffold for the recruitment of proteins that maintain ERVs in a transcriptionally silent state, including the HP1 proteins that themselves interact with the co-repressor KAP1. In this study, we provide structural insights into the KAP1-HP1 interaction. Further, we demonstrate that this interaction plays a role in maintaining inaccessible chromatin at specific ERV elements in embryonic stem cells (ESCs).
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Project description:Constitutive heterochromatin is enriched in repetitive elements, including endogenous retroviral element (ERV) sequences that must be repressed to sustain normal cell developmental programs and prevent chromosomal instability. ERVs are silenced through trimethylation of lysine 9 on histone H3 (H3K9me3) by ESET (also known as SETDB1, SET domain bifurcated 1, or KMT1E) and a co-repressor complex containing KAP1 (KRAB-associated protein 1, also known as tripartite motif-containing protein 28, Trim28) in mouse embryonic stem cells. H3K9me3 then serves as a scaffold for the recruitment of proteins that maintain ERVs in a transcriptionally silent state, including the HP1 proteins that themselves interact with the co-repressor KAP1. In this study, we provide structural insights into the KAP1-HP1 interaction. Further, we demonstrate that this interaction plays a role in maintaining inaccessible chromatin at specific ERV elements in embryonic stem cells (ESCs).
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Project description:Genome-wide mapping of PRDM14 binding sites in human embryonic stem cells
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Project description:Genome-wide analysis of histone modification (H2AZ, H3K27ac, H3K27me3, H3K36me3, H3K4me1, H3K4me2, H3K4me3 and H3K9me3), protein-DNA binding (TAF1, P300, Pou5f1 and Nanog), cytosine methylation and transcriptome data in mouse and human ES cells and pig iPS cells We generated histone modification data (H2AZ, H3K27ac, H3K27me3, H3K36me3, H3K4me1, H3K4me2, H3K4me3 and H3K9me3) and protein-DNA binding data (TAF1, P300, Pou5f1 and Nanog) using Chromatin Immunoprecipitation followed by short sequencing (ChIP-seq), cytosine methylation data using methylated DNA immunoprecipitation followed by sequencing (MeDIP-seq) and DNA digestion by methyl-sensitive restriction enzymes followed by sequencing (MRE-seq), transcriptome data with RNA short sequencing (RNA-seq) in human embryonic stem cells, mouse embryonic stem cells, pig induced pluripotent stem cells and mouse embryonic stem cells under activin-A-induced-differentiation. Examination of 8 histone modifications, 4 protein-DNA binding, cytosine methylation and transcriptome in human embryonic stem cells, mouse embryonic stem cells, pig induced pluripotent stem cells and mouse embryonic stem cells under activin-A-induced-differentiation.
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