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Tex10 Coordinates Epigenetic Control of Super-Enhancer Activity for Pluripotency and Reprogramming

ABSTRACT: This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

ORGANISM(S): Mus musculus

SUBMITTER: Jianlong Wang

PROVIDER: E-GEOD-66736 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Tex10 Coordinates Epigenetic Control of Super-Enhancer Activity in Pluripotency and Reprogramming.

Ding Junjun J Huang Xin X Shao Ningyi N Zhou Hongwei H Lee Dung-Fang DF Faiola Francesco F Fidalgo Miguel M Guallar Diana D Saunders Arven A Shliaha Pavel V PV Wang Hailong H Waghray Avinash A Papatsenko Dmitri D Sánchez-Priego Carlos C Li Dan D Yuan Ye Y Lemischka Ihor R IR Shen Li L Kelley Kevin K Deng Haiteng H Shen Xiaohua X Wang Jianlong J

Cell stem cell 20150430 6

Super-enhancers (SEs) are large clusters of transcriptional enhancers that are co-occupied by multiple lineage-specific transcription factors driving expression of genes that define cell identity. In embryonic stem cells (ESCs), SEs are highly enriched for the core pluripotency factors Oct4, Sox2, and Nanog. In this study, we sought to dissect the molecular control mechanism of SE activity in pluripotency and reprogramming. Starting from a protein interaction network surrounding Sox2, we identif ...[more]

PMID: 25936917

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Tex10 Coordinates Epigenetic Control of Super-Enhancer Activity for Pluripotency and Reprogramming [ChIP-Seq]

Project description:Super-enhancers (SEs) are large clusters of transcriptional enhancers that are co-occupied by multiple lineage specific transcription factors driving expression of genes that define cell identity. In embryonic stem cells (ESCs), SEs are highly enriched for Oct4, Sox2, and Nanog in the enhanceosome assembly and express enhancer RNAs (eRNAs). We sought to dissect the molecular control mechanism of SE activity and eRNA transcription for pluripotency and reprogramming. Starting from a protein interaction network surrounding Sox2, a key pluripotency and reprogramming factor that guides the ESC-specific enhanceosome assembly and orchestrates the hierarchical transcriptional activation during the final stage of reprogramming, we discovered Tex10 as a novel pluripotency factor that is evolutionally conserved and functionally significant in ESC self-renewal, early embryo development, and reprogramming. Tex10 is enriched at SEs in a Sox2-dependent manner and coordinates histone acetylation and DNA demethylation of SEs. Our study sheds new light on epigenetic control of SE activity for cell fate determination. Genome binding/occupancy profiling of Tex10 was performed in mouse embryonic stem cells by ChIP sequencing.

2015-05-07 | E-GEOD-66735 | biostudies-arrayexpress

Tex10 Coordinates Epigenetic Control of Super-Enhancer Activity for Pluripotency and Reprogramming [RNA-Seq]

Project description:Super-enhancers (SEs) are large clusters of transcriptional enhancers that are co-occupied by multiple lineage specific transcription factors driving expression of genes that define cell identity. In embryonic stem cells (ESCs), SEs are highly enriched for Oct4, Sox2, and Nanog in the enhanceosome assembly and express enhancer RNAs (eRNAs). We sought to dissect the molecular control mechanism of SE activity and eRNA transcription for pluripotency and reprogramming. Starting from a protein interaction network surrounding Sox2, a key pluripotency and reprogramming factor that guides the ESC-specific enhanceosome assembly and orchestrates the hierarchical transcriptional activation during the final stage of reprogramming, we discovered Tex10 as a novel pluripotency factor that is evolutionally conserved and functionally significant in ESC self-renewal, early embryo development, and reprogramming. Tex10 is enriched at SEs in a Sox2-dependent manner and coordinates histone acetylation and DNA demethylation of SEs. Our study sheds new light on epigenetic control of SE activity for cell fate determination. RNA sequencing analysis was performed in mouse embryonic stem cells with Luciferase and Tex10 knockdown. RNA-seq Experiments were carry out in two biological replicates.

2015-05-07 | E-GEOD-66734 | biostudies-arrayexpress

Zfp281 Coordinates Opposite Functions of Tet1 and Tet2 for Alternative Pluripotent States

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2016-06-28 | E-GEOD-81045 | biostudies-arrayexpress

Zfp281 Coordinates Opposite Functions of Tet1 and Tet2 for Alternative Pluripotent States [ChIP-Seq]

Project description:Pluripotent cell identity comprises a spectrum of cell states including naive and primed states, which are typified by mouse embryonic stem cells (ESCs) and epiblast-derived stem cells (EpiSCs), respectively. Here we define a pluripotent cell fate (PCF) gene signature based on RNA-seq analysis associated with naive and primed pluripotency acquisition, and identify Zfp281 as a key transcriptional regulator for primed pluripotency and also as a barrier to achieve the naive pluripotency of both mouse and human ESCs. RNA sequencing analysis was performed in WT and Zfp281 null mouse embryonic stem cells under different pluripotent culture conditions. RNA-seq Experiments were carry out in two biological replciates. Genome binding/occupancy profiling of Zfp281 was performed in mouse embryonic stem cells by ChIP sequencing.

2016-06-28 | E-GEOD-81042 | biostudies-arrayexpress

Zfp281 Coordinates Opposite Functions of Tet1 and Tet2 for Alternative Pluripotent States [RNA-Seq]

2016-06-28 | E-GEOD-81044 | biostudies-arrayexpress

Genome-wide screening for ELF4-binding sites.

Project description:ELF4 (also known as MEF) is a member of the ETS family of transcriptional factors. While an oncogenic role has been demonstrated for ELF4 mainly in hematopoietic malignancies, its definitive function in human carcinogenesis is not clear yet. Here we demonstrate that a wide array of human tumors carry somatic, loss-of-function mutations in ELF4 for its transcriptional activity, and restoring its function exerts anti-proliferative effects. To further explore the tumor suppressive function of ELF4, its binding sites were searched among the human genome with the use of chromatin immunoprecipitation coupled with sequencing (ChIP-seq). Examination of binding site for FLAG-immunoprecipitated mock, ELF4 (WT) and ELF4 (L211M) with each input sample as a control.

2016-03-01 | E-GEOD-53357 | biostudies-arrayexpress

Whole genome bisulfite sequencing of liver samples of five mammals (human, rhesus macaque, mouse, rat and dog)

Project description:This study aims to investigate the DNA methylation patterns at transcription factor binding regions and their evolutionary conservation with respect to binding activity divergence. We combined newly generated bisulfite-sequencing experiments in livers of five mammals (human, macaque, mouse, rat and dog) and matched publicly available ChIP-sequencing data for five transcription factors (CEBPA, HNF4a, CTCF, ONECUT1 and FOXA1). To study the chromatin contexts of TF binding subjected to distinct evolutionary pressures, we integrated publicly available active promoter, active enhancer and primed enhancer calls determined by profiling genome wide patterns of H3K27ac, H3K4me3 and H3K4me1.

2022-10-20 | E-MTAB-11946 | biostudies-arrayexpress

Epigenomic comparison of distinct pluripotent stem cell states reveals a new class of enhancers with roles throughout mammalian development (RNA-seq)

Project description:NaM-CM-/ve mouse embryonic stem cells (mESCs) and primed epiblast stem cells (mEpiSCs) represent successive snapshots of pluripotency during embryogenesis. Using transcriptomic and epigenomic mapping, we show that a small fraction of transcripts are differentially expressed between mESCs and mEpiSCs and these genes show expected changes in chromatin at their promoters and enhancers. Unexpectedly, the cis-regulatory circuitry of genes that are expressed at identical levels between these cell states also differs dramatically. In mESCs, these genes are associated with dominant proximal enhancers and dormant distal enhancers, which we term seed enhancers. In mEpiSCs, the naM-CM-/ve-dominant enhancers are lost, and the seed enhancers take up primary transcriptional control. Seed enhancers have increased sequence conservation and show preferential usage in downstream somatic tissues, often expanding into super enhancers. We propose that seed enhancers ensure proper enhancer utilization and transcriptional fidelity as mammalian cells transition from naM-CM-/ve pluripotency to a somatic regulatory program. RNA sequencing in quadruplicate of mouse embryonic stem cells and epiblast stem cells

2014-06-04 | E-GEOD-57403 | biostudies-arrayexpress

Xanthomonas campestris pv. Campestris 8004 far-red light irradiation and XccBphP overexpression transcriptional analysis

Project description:RNA isolation and RNA-Seq: Wild-type Xcc or pXccBphP strains were cultured in far-red light or dark conditions up to logarithmic phase (0.7 to 0.8 OD600) at 28C in PYM broth. Total bacterial RNA was isolated using the MasterPureTM RNA Purification Kit (Epicentre, Illumina). Samples corresponding to two biological replicates of each condition were submitted to Genome Qubec for rRNA removal with Ribo-Zero (Illumina) and TruSeq RNA-seq library preparation. 50 bp single-end sequencing of the libraries was performed using an Illumina HiSeq 2000 platform (Genome Qubec). Removal of low-quality reads and Illumina adapters, and assessment of the quality of the reads was performed using Trimmomatic (Bolger et al, 2014) and FastQC (www.bioinformatics.babraham.ac.uk/ projects/fastqc/), respectively. Rads were aligned to the Xcc genome obtained from GenBank (accession number: NC_007086.1) using SAMtools and the BurrowsWheeler Alignment software (BWA) (Li et al, 2009). Alignments were visualized using the software Integrated Genome Viewer (IGV) (http://broadinstitute.org/igv). RNA-Seq differential expression analysis: Read counts corresponding to annotated ORFs were quantified with the software FeatureCounts (Liao et al, 2014) using the strand specific mode. Differential expression analysis was performed using the software DESeq (Anders & Huber, 2010). Genes displaying adjusted p-value < 0.05.

2016-12-03 | E-MTAB-4958 | biostudies-arrayexpress

Histone H3 Acetylation and microRNA(s) Regulate Inflammatory response in Mastitis Mice, induced by Staphylococcus aureus Infection [smallRNA-Seq]

Project description:Bacterial infection in the mammary gland parenchyma induces local inflammation that can lead to a multietiological complex disease called mastitis. Globally Staphylococcus aureus is the single largest mastitis pathogen and the infection can ultimately result in either subclinical or chronic and sometimes lifelong infection. In the present report we have addressed the differential inflammatory response in the mice mammary tissue during intramammary infection and the altered epigenetic context induced by two closely related strains of S. aureus. Immunohistochemical and immunoblot analysis showed strain specific hyperacetylation at histone H3K9 and H3K14 residues. Real-time PCR and genome-wide gene expression studied showed expression of a set of proinflammatory genes and cytokines in a temporal manner. Remarkably, over expression of the genes significantly correlated with the promoter specific acetylation in these residues. Furthermore, we have identified several differentially expressed known miRNAs and 4 novel miRNAs in the S. aureus infected mice mammary tissue by small RNA sequencing. By employing these gene expression data, an attempt has been made to delineate the gene regulatory networks in the strain specific inflammatory response. Apparently, one of the isolates of S. aureus activated the NFkB signaling leading to drastic inflammatory response and induction of immune surveillance, which could lead to rapid clearance of the pathogen. The other strain repressed most of the inflammatory response, which might help in its sustenance in the host tissue. Taken together, our studies shed substantial lights to understand the mechanisms of strain specific differential inflammatory response to S. aureus infection during mastitis. One control and two samples infected with two different strains of S. aureus

2014-06-01 | E-GEOD-54231 | biostudies-arrayexpress

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