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Gene expression profiling of Eed knockout and Ezh2 knockout small intestinal crypts [ChIP-seq]

ABSTRACT: Polycomb-mediated gene repression plays an important role in adult stem cell maintenance. Direct targets of the Polycomb repressive complex PRC2 in th intestinal epithelium were revealed by performing ChIP-sequencing on crypt samples isolated from wild type murine small intestines. The resulting list of H3K27me3-enriched genes were compared with RNA-sequencing data from wild type and Eed knockout crypts.

ORGANISM(S): Mus musculus

PROVIDER: GSE81577 | GEO | 2016/07/01

SECONDARY ACCESSION(S): PRJNA322036

REPOSITORIES: GEO

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Gene expression profiling of Eed knockout and Ezh2 knockout small intestinal crypts [ChIP-seq]

Project description:Polycomb-mediated gene repression plays an important role in adult stem cell maintenance. Direct targets of the Polycomb repressive complex PRC2 in th intestinal epithelium were revealed by performing ChIP-sequencing on crypt samples isolated from wild type murine small intestines. The resulting list of H3K27me3-enriched genes were compared with RNA-sequencing data from wild type and Eed knockout crypts. Crypts were isolated from wild type murine intestinal epithelium and subjected to ChIP using anti-H3K27me3 and anti-H3K27Ac antibodies, after which DNA isolated from extracted immunocomplexes was sequenced.

2016-07-01 | E-GEOD-81577 | biostudies-arrayexpress

Gene expression profiling of Eed knockout and Ezh2 knockout small intestinal crypts [RNA-seq]

Project description:Polycomb-mediated gene repression plays an important role in adult stem cell maintenance. We knocked out (using the inducible AhCre-LoxP system) Polycomb genes Eed and Ezh2 in the intestine for 6 weeks, after which crypts - the small intestinal stem cell zone - were harvested and RNA sequenced. We found Wnt, Notch and cell cycle pathways to be affected in Eed knockout (KO) but not Ezh2 KO crypts. Direct targets of Eed were determined by comparing this data with ChIP-sequencing. Small intestinal crypt mRNA profiles of 6 weeks-induced 12 weeks old Eed KO, Ezh2 KO and WT mice (all triplicates) as well as 10 days-induced Eed KO and WT organoids (duplicates) were generated by RNA sequencing over two runs and using IlluminaHiseq2000 and Hiseq2500.

2016-07-01 | E-GEOD-81576 | biostudies-arrayexpress

Gene expression profiling of Eed knockout and Ezh2 knockout small intestinal crypts [RNA-seq]

2016-07-01 | GSE81576 | GEO

Gene expression profiling of Eed knockout and Ezh2 knockout small intestinal crypts

Project description:Gene expression profiling of Eed knockout and Ezh2 knockout small intestinal crypts

| PRJNA322033 | ENA

Bulk RNA-seq of Colonic Epithelia from EED and EED/Satb2 Double Knockout Mice

Project description:To understand the polycomb repressive complex 2 (PRC2) function, we genetically deleted EED, which inactivated PRC2, in adult intestine and colon using (VillinCreER-T2;EEDf/f).

2021-10-05 | GSE180013 | GEO

RNA-seq of Injured Nerve in Schwann cell conditional knockout of Eed

Project description:The goal of the experiment was to determine the role of the polycomb repressive complex 2 in the nerve injury response in peripheral nerve. A Schwann cell specific knockout of the Eed subunit of PRC2 was generated to compare with wild type mice in sham and injured mice at 1d and 14d timepoints after nerve injury.

2018-01-01 | GSE106969 | GEO

Analysis of changes in gene expression in skin epidermis upon conditional knockout of PRC2-subunit Eed

Project description:Analysis of changes in gene expression in skin epidermis upon conditional knockout of the essential Polycomb repressive complex 2 (PRC2) subunit Eed. Loss of Eed in skin epithelium leads to de-repression of key Merkel-differentiation genes, which are known PRC2 targets, and results in ectopic formation of Merkel cells that are associated with all hair types. Gene expression analysis: To determine the changes in gene expression in skin epidermis upon conditional knockout of Eed, total RNA was isolated from skin epidermis in four biologic replicates from cells in different conditions and hybridized to SurePrint G3 Mouse GE 8X60K microarrays (Agilent).

2016-06-14 | E-GEOD-83244 | biostudies-arrayexpress

Analysis of changes in gene expression in skin epidermis upon conditional knockout of PRC2-subunit Eed

2016-06-14 | GSE83244 | GEO

The Central Role of EED in the Orchestration of Polycomb Group Complexes

Project description:Polycomb Repressive Complexes 1 and 2 (PRC1 and 2) play a critical role in the epigenetic regulation of transcription during cellular differentiation, stem cell pluripotency, and neoplastic progression1-3. Here we show that the Polycomb group protein EED, a core component of PRC2, physically interacts with and functions as part of the PRC1 complex. Components of PRC1 and PRC2 compete for EED binding. EED functions to recruit PRC1 to H3K27me3 loci and enhances PRC1 mediated H2A ubiquitin E3 ligase activity. Taken together, we uncover the integral role of EED as an epigenetic exchange factor coordinating the activities of PRC1 and 2. EED, uH2A, RING1A, RING1B, BMI1 and H3K27Me3 ChIP-seq in EED stable knockdown and control Scramble DU145 prostate cancer cell line

2014-01-23 | E-GEOD-42566 | biostudies-arrayexpress

Transcription profiling of mouse embryonic stem cells FROM Eed knockout vs control

Project description:The Polycomb group (PcG) gene products mediate heritable silencing of developmental regulators in metazoans, participating in one of two distinct multimeric protein complexes, the Polycomb repressive complexes-1 (PRC1) and -2 (PRC2). PRC2 catalyses trimethylation of histone H3 at lysine 27 (H3K27) which in turn is thought to provide a recruitment site for PRC1. Recent studies demonstrate that mono-ubiquitylation of histone H2A at lysine 119 is important in PcG mediated silencing with the core PRC1 component Ring1A/B functioning as the E3 ligase8. PRC2 has been shown to share target genes with the core transcription network to maintain embryonic stem (ES) cells including Oct4 and Nanog. Here we identify an essential role for PRC1 in repressing developmental regulators in ES cells, and thereby in maintaining ES cell pluripotency. A significant proportion of the PRC1 target genes are also repressed by Oct4. We demonstrate that engagement of PRC1 and PRC2 at target genes is Oct4-dependent and moreover that Ring1B interacts with Oct4. Collectively these results show that PcG complexes are instrumental in Oct4-dependent repression required to maintain pluripotency of ES cells. This study provides a first functional link between a core ES cell regulator and global epigenetic regulation of the genome. Experiment Overall Design: Eed is a protein included in PRC2 (Polycomb repressor complex). Experiment Overall Design: We generated constitutive Eed KO mouse ES cells and observed gene expression using Affymetrix MOE430.2 microarray. Experiment Overall Design: These results were compared with other KO cells of PRC1 proteins (Ring1A, Ring1B) and other proteins in our study.

2008-04-07 | E-GEOD-10574 | biostudies-arrayexpress

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