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Histone H3 Lysine 27 methylation Regulates Skeletal Growth by Suppressing Wnt and TGF-β Signaling

ABSTRACT: Polycomb repressive complex 2 (PRC2) controls maintenance and lineage determination of stem cells by suppressing genes that regulate cellular differentiation and tissue development. However, the role of PRC2 in lineage-committed somatic cells is largely unknown. In this study, we ablated Eed, an essential component of PRC2, in growth plate chondrocytes to study the role of PRC2 in skeletal development. In this study, we profiled genes assocaited with H3K27me3 histone 3 modification in primary rib chondrocytes.

ORGANISM(S): Mus musculus

PROVIDER: GSE76467 | GEO | 2016/04/01

SECONDARY ACCESSION(S): PRJNA307511

REPOSITORIES: GEO

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Histone H3 Lysine 27 methylation Regulates Skeletal Growth by Suppressing Wnt and TGF-Î² Signaling

Project description:Polycomb repressive complex 2 (PRC2) controls maintenance and lineage determination of stem cells by suppressing genes that regulate cellular differentiation and tissue development. However, the role of PRC2 in lineage-committed somatic cells is largely unknown. In this study, we ablated Eed, an essential component of PRC2, in growth plate chondrocytes to study the role of PRC2 in skeletal development. In this study, we profiled genes assocaited with H3K27me3 histone 3 modification in primary rib chondrocytes. Mouse primary chodnrocytes were subjected to ChIP analysis using H3K27me3 antibody. ChIP'ed DNA and Input DNA were sequenced by Otogenetics (Necros, GA)

2016-04-01 | E-GEOD-76467 | biostudies-arrayexpress

H3K27me3 is maintained at a reduced level in Suz12(Bgal/Bgal) ESCs [RNA-Seq]

2013-07-22 | GSE47484 | GEO

H3K27me3 is maintained at a reduced level in Suz12(Bgal/Bgal) ESCs [ChIP-Seq]

2013-07-22 | GSE47483 | GEO

H3K27me3 is maintained at a reduced level in Suz12(Bgal/Bgal) ESCs [RNA-Seq]

Project description:Suz12(Bgal/Bgal) ESCs express a truncated form of Suz12 fused to Beta-galactosidase. These cells maintain a reduced level of H3K27me3 despite this mutation to a core component of PRC2, unlike Eed-/- ESCs whose H3K27me3 is ablated. RNA-seq was performed in wild type and Suz12(Bgal/Bgal) ESCs, here used to demonstrate the coverage of the Suz12 gene in mRNA reads.

2013-07-22 | E-GEOD-47484 | biostudies-arrayexpress

H3K27me3 is maintained at a reduced level in Suz12(Bgal/Bgal) ESCs [ChIP-Seq]

Project description:Suz12(Bgal/Bgal) ESCs express a truncated form of Suz12 fused to Beta-galactosidase. These cells maintain a reduced level of H3K27me3 despite this mutation to a core component of PRC2, unlike Eed-/- ESCs whose H3K27me3 is ablated. Two ESC lines mutant in genes of core components of Polycomb Repressive Complex 2 were assessed for H3K27me3 by ChIP-seq, as compared to a wild type ESC line.

2013-07-22 | E-GEOD-47483 | biostudies-arrayexpress

Change in H3K4me3 in Suz12(Bgal/Bgal) ESCs, and over Spinal Motor Neuron differentiation (ChIP-Seq)

Project description:Suz12(Bgal/Bgal) ESCs express a truncated form of Suz12 fused to Beta-galactosidase. These cells maintain a reduced level of H3K27me3 despite this mutation to a core component of PRC2, unlike Eed-/- ESCs whose H3K27me3 is ablated. This data shows the concomitant changes in H3K4me3 levels in these cells.

2014-11-17 | GSE61248 | GEO

Genome-wide mapping of H3K27Me3 in mouse rib chondrocytes

Project description:We performed ChiP sequencing analysis for H3K27Me3 in DNA from mouse rib chondrocytes. Chromatin immunoprecipitation for H3K27Me3 in mouse rib chondrocytes after overnight culture.Chromatin Immunoprecipitation was performed using Cell Signaling Technology SimpleChIP Plus Enzymatic Chromatin IP Kit (Magnentic Beads) #9005 Sequencing using Next Generation Sequencing (Otogenetics), mapping of reads using DNA Nexus mapper and region calling using Quest software (DNA Nexus)

2015-09-15 | E-GEOD-67132 | biostudies-arrayexpress

Eed conditional knockout in chondrocytes

Project description:Primary rib chondrocyte were isoloated from P0.5-day old wildtype and Col2-Cre:floxed EED conditional knockout mouse pups,and cultured overnight in 10%FCS containing DMEM. RNA was isolated and subjected to Affymetrix Mouse Gene ST 1.0 array. Primary rib chondrocyte were isoloated from P0.5-day old wildtype and Col2-Cre:floxed EED conditional knockout mouse pups,and cultured overnight in 10%FCS containing DMEM. RNA was isolated and subjected to Affymetrix Mouse Gene ST 1.0 array. Biological duplicate. Mice were in a mixed genetic background of C57/B6 and 129sv.

2015-11-01 | E-GEOD-66862 | biostudies-arrayexpress

Genome-wide mapping of H3K27Me3 in mouse rib chondrocytes

Project description:We performed ChiP sequencing analysis for H3K27Me3 in DNA from mouse rib chondrocytes.

2015-09-15 | GSE67132 | GEO

Acetylation of EED by CBP/P300 Regulates the Targeting of PRC2 and is Required for mESC Differentiation [ChIP-seq]

Project description:Polycomb repressive complex 2 (PRC2) is a chromatin-modifying enzyme that catalyzes the methylation of lysine 27 on histone H3 (H3K27me1/2/3). This complex maintains the gene expression profiles in different cell types and plays an essential role in normal organismal development. The mechanisms by which PRC2 targets specific chromatin regions remain unclear. To address this question, we focused on the post-translational modifications (PTMs) of PRC2 subunits. Here we show EED, a core component of PRC2, is acetylated by acetyltransferase CBP/P300 at lysine 19 (K19). The acetylation of EED at K19 (EED-K19ac) reduces the binding affinity between PRC2 and native nucleosomes, causing PRC2 to leave its chromatin targets in vivo. Genome-wide location analysis (ChIP-seq) reveals that K19-acetylated EED preferentially accumulates at highly transcribed genes with low EZH2 and H3K27me3 levels. Using CRISPR/Cas9 technology, we generated mouse embryonic stem cells (mESCs) carrying non-acetylated EED mimic (EED-K19R) and showed acetylation of EED at K19 is necessary for mESC differentiation. In summary, our study reveals a novel mechanism that allows intracellular signalling pathways to regulate cellular differentiation and cell fate decisions by controlling the genomic targeting of PRC2 through acetylating EED.

2023-09-30 | GSE160211 | GEO

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