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Mus musculus

ABSTRACT: Transcriptional repression by non-canonical EED stimulation of histone deacetylase activity is required for heart maturation independently of H3K27me3 [RNA-seq]

PROVIDER: PRJNA342809 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR4241112_1.fastq.gz	Fastqsanger.gz
	SRR4241112_2.fastq.gz	Fastqsanger.gz
	SRR4241113_1.fastq.gz	Fastqsanger.gz
	SRR4241113_2.fastq.gz	Fastqsanger.gz
	SRR4241114_1.fastq.gz	Fastqsanger.gz

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Mus musculus

Project description:Transcriptional repression by non-canonical EED stimulation of histone deacetylase activity is required for heart maturation independently of H3K27me3 [Microarray]

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Project description:Transcriptional repression by non-canonical EED stimulation of histone deacetylase activity is required for heart maturation independently of H3K27me3 [ChIP-seq]

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Project description:Transcriptional repression by non-canonical EED stimulation of histone deacetylase activity is required for heart maturation independently of H3K27me3 [RNA-seq for EED and HDAC rescue]

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EED orchestration of heart maturation through interaction with HDACs is H3K27me3-independent

Project description:In proliferating cells, where most Polycomb repressive complex 2 (PRC2) studies have been performed, gene repression is associated with PRC2 trimethylation of H3K27 (H3K27me3). However, it is uncertain whether PCR2 writing of H3K27me3 is mechanistically required for gene silencing. Here we studied PRC2 function in postnatal mouse cardiomyocytes, where the paucity of cell division obviates bulk H3K27me3 rewriting after each cell cycle. EED (Embryonic Ectoderm Development) inactivation in the postnatal heart (Eed CKO ) caused lethal dilated cardiomyopathy. Surprisingly, gene upregulation in Eed CKO was not coupled with loss of H3K27me3. Rather, the activating histone mark H3K27ac increased. EED interacted with histone deacetylases (HDACs) and enhanced their catalytic activity. HDAC overexpression normalized Eed CKO heart function and expression of derepressed genes. Our results uncovered a non-canonical, H3K27me3-independent EED repressive mechanism that is essential for normal heart function. Our results further illustrate that organ dysfunction due to epigenetic dysregulation can be corrected by epigenetic rewiring.

2017-04-14 | GSE73771 | GEO

Transcriptional repression by non-canonical EED stimulation of histone deacetylase activity is required for heart maturation independently of H3K27me3 [Microarray]

Project description:Through H3K27me3 and H3K27ac ChIP-seq and microarray data in wile-tpye (WT) and EED-knockout (CKO) mouse cardiomyocytes, we unexpectedly uncovered a novel mechanism of PRC2-mediated gene repression. EED inactivation in the postnatal heart (EEDCKO) caused progressive, lethal dilated cardiomyopathy, with upregulation of components of the slow-twitch muscle gene program. Surprisingly, upregulation of these genes was not associated with their loss of H3K27me3, but rather with their gain of H3K27 acetylation (H3K27ac), an activating histone mark4,5. Moreover, re-expression of EED in juvenile hearts rescued heart function and normalized H3K27ac, but not H3K27me3.

2017-04-14 | GSE73677 | GEO

Transcriptional repression by non-canonical EED stimulation of histone deacetylase activity is required for heart maturation independently of H3K27me3 [RNA-seq for EED and HDAC rescue]

Project description:Through H3K27me3 and H3K27ac ChIP-seq and RNA-seq data in wile-tpye (WT) and EED-knockout (CKO) mouse cardiomyocytes, we unexpectedly uncovered a novel mechanism of PRC2-mediated gene repression. EED inactivation in the postnatal heart (EEDCKO) caused progressive, lethal dilated cardiomyopathy, with upregulation of components of the slow-twitch muscle gene program. Surprisingly, upregulation of these genes was not associated with their loss of H3K27me3, but rather with their gain of H3K27 acetylation (H3K27ac), an activating histone mark. Moreover, re-expression of EED in juvenile hearts rescued heart function and normalized H3K27ac, but not H3K27me3.

2017-04-14 | GSE89585 | GEO

Transcriptional repression by non-canonical EED stimulation of histone deacetylase activity is required for heart maturation independently of H3K27me3 [ChIP-seq]

Project description:Through H3K27me3 and H3K27ac ChIP-seq and microarray data in wile-tpye (WT) and EED-knockout (CKO) mouse cardiomyocytes, we unexpectedly uncovered a novel mechanism of PRC2-mediated gene repression. EED inactivation in the postnatal heart (EEDCKO) caused progressive, lethal dilated cardiomyopathy, with upregulation of components of the slow-twitch muscle gene program. Surprisingly, upregulation of these genes was not associated with their loss of H3K27me3, but rather with their gain of H3K27 acetylation (H3K27ac), an activating histone mark. Moreover, re-expression of EED in juvenile hearts rescued heart function and normalized H3K27ac, but not H3K27me3.

2017-04-14 | GSE73769 | GEO

Transcriptional repression by non-canonical EED stimulation of histone deacetylase activity is required for heart maturation independently of H3K27me3 [RNA-seq]

Project description:Through H3K27me3 and H3K27ac ChIP-seq and microarray data in wile-tpye (WT) and EED-knockout (CKO) mouse cardiomyocytes, we unexpectedly uncovered a novel mechanism of PRC2-mediated gene repression. EED inactivation in the postnatal heart (EEDCKO) caused progressive, lethal dilated cardiomyopathy, with upregulation of components of the slow-twitch muscle gene program. Surprisingly, upregulation of these genes was not associated with their loss of H3K27me3, but rather with their gain of H3K27 acetylation (H3K27ac), an activating histone mark. Moreover, re-expression of EED in juvenile hearts rescued heart function and normalized H3K27ac, but not H3K27me3.

2017-04-14 | GSE86868 | GEO

Genome-wide mapping of H3K27 tri-methylation in PRC2 components of Pyricularia oryzae

Project description:We report different roles of three PRC2 components, KMT6, P55 and SIN3 played in distribution of genome-wide H3K27 tri-methylation of Pyricularia oryzae. Polycomb repressive complex 2 (PRC2), which is composed of Ezh(Kmt6), Su(z)12, Esc(Eed) and accessory subunits RbAp48/Nurf55(P55), catalyzes the methylation of histone H3 at lysine 27. Loss of P55 caused severe global defects in the normal distribution of H3K27me3 and transcriptional reprogramming on the H3K27me3-occupied genes. Furthermore, we found that the Sin3 histone deacetylase complex was required to sustain H3K27me3 occupancy and stably maintain gene repression by directly interacting with P55.

2022-02-20 | GSE195863 | GEO

EED orchestration of heart maturation through interaction with HDACs is H3K27me3-independent

Project description:EED orchestration of heart maturation through interaction with HDACs is H3K27me3-independent

| PRJNA297865 | ENA