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Homo sapiens

ABSTRACT: TET1 (HUES8 WT hESCs) and DNMT3B (HUES8 WT and HUES8 TET TKO hESCs) ChIP-Seq

PROVIDER: PRJNA388168 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
	SRR5616805.fastq.gz	Fastqsanger.gz
	SRR5616806.fastq.gz	Fastqsanger.gz
	SRR5616807.fastq.gz	Fastqsanger.gz
	SRR5616808.fastq.gz	Fastqsanger.gz
	SRR5616809.fastq.gz	Fastqsanger.gz

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Project description:Reduced Representation Bisulfite Sequencing of HUES8 WT and HUES8 TET1/2/3 TKO hESCs

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Project description:Whole Genome Bisulfite Sequencing of HUES8 WT and HUES8 TET1/2/3 TKO hESCs

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Homo sapiens strain:HUES8 hESCs

Project description:HUES8 TET1/2/3 TKO hESCs RNA Sequencing

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Whole Genome Bisulfite Sequencing of HUES8 WT and HUES8 TET1/2/3 TKO hESCs

Project description:The TET enzymes oxidize 5-methylcytosine to 5-hydroxymethylcytosine, which can lead to DNA demethylation. However, direct connections between TET-mediated DNA demethylation and transcriptional output are difficult to establish due to challenges of distinguishing global versus locus-specific effects. Here we show that TET1/2/3 triple knockout (TKO) human embryonic stem cells (hESCs) exhibit preferential hypermethylation at bivalent promoters without corresponding gene expression changes in undifferentiated hESCs. In the absence of the TET proteins, abnormal accumulation of DNMT3B at bivalent promoters results in hypermethylation and impaired gene activation upon differentiation. Broadly, the competitive balance between the TET proteins and de novo methyltransferases at bivalent promoters could facilitate rapid changes of their methylation state to either activate or silence transcription in a cell-lineage and gene dependent manner.

2017-12-01 | GSE89727 | GEO