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CUT&RUN Sequencing of EZH2 binding sites in HEK293T cells expressing a Dual-specificity Aptamer that specifically increases O-GlcNAcylation on beta-catenin

ABSTRACT: CUT&RUN Sequencing of EZH2 binding sites in HEK293T cells expressing a Dual-specificity Aptamer that specifically increases O-GlcNAcylation on beta-catenin

PROVIDER: PRJNA786208 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR17130500_1.fastq.gz	Fastqsanger.gz
	SRR17130500_2.fastq.gz	Fastqsanger.gz
	SRR17130501_1.fastq.gz	Fastqsanger.gz
	SRR17130501_2.fastq.gz	Fastqsanger.gz
	SRR17130502_1.fastq.gz	Fastqsanger.gz

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RNA Sequencing of HEK293T cells expressing a Dual-specificity Aptamer that specifically increases O-GlcNAcylation on beta-catenin

Project description:O-GlcNAc is a dynamic post-translational modification on thousands of intracellular proteins, it regulates protein functions and is involved in many metabolic diseases. Using a dual-specificity aptamer, we targeted the O-GlcNAc transferase (OGT) to endogenous β-catenin and specifically increased O-GlcNAcylation of β-catenin. To study how O-GlcNAcylation of β-catenin regulates the transcriptome, we performed RNA sequencing on HEK293T cells expressing individual (Ctrl.) or dual-specificity aptamers. We found that O-GlcNAcylation of β-catenin shifts the transcriptome in a Wnt-dependent manner: it repressed the expression of about 100 genes in the absence of Wnt, while it activated the expression of these genes when Wnt signaling was turned on.

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RNA Sequencing of HEK293T cells expressing a Dual-specificity Aptamer that specifically increases O-GlcNAcylation on beta-catenin when EZH2 was knocked-down

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CUT&RUN Sequencing of EZH2 binding sites in HEK293T cells expressing a Dual-specificity Aptamer that specifically increases O-GlcNAcylation on beta-catenin

Project description:O-GlcNAc is a dynamic post-translational modification on thousands of intracellular proteins, it regulates protein functions and is involved in many metabolic diseases. Using a dual-specificity aptamer, we targeted the O-GlcNAc transferase (OGT) to endogenous β-catenin and specifically increased O-GlcNAcylation of β-catenin. We found that O-GlcNAc on β-catenin promoted its interaction with EZH2 regardless of the Wnt signaling status. To study how this interaction regulates the distribution of EZH2 on the genome, we performed Cleavage Under Targets and Release Using Nuclease (CUT&RUN) on HEK293T cells expressing individual (Ctrl.) or dual-specificity aptamers. Under Wnt - and Wnt + conditions, the dual-specificity aptamer increased the binding of EZH2 on 923 and 3473 genomic sites, respectively. These two sets of differential binding sites showed little overlap.

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CUT&RUN Sequencing of EZH2 binding sites in HEK293T cells expressing a Dual-specificity Aptamer that specifically increases O-GlcNAcylation on beta-catenin, when beta-catein was knocked-down

Project description:O-GlcNAc is a dynamic post-translational modification on thousands of intracellular proteins, it regulates protein functions and is involved in many metabolic diseases. Using a dual-specificity aptamer, we targeted the O-GlcNAc transferase (OGT) to endogenous β-catenin and specifically increased O-GlcNAcylation of β-catenin. We found that O-GlcNAc on β-catenin promoted its interaction with EZH2 regardless of the Wnt signaling status. To study how this interaction regulates the distribution of EZH2 on the genome, we performed Cleavage Under Targets and Release Using Nuclease (CUT&RUN) on HEK293T cells expressing individual (Ctrl.) or dual-specificity aptamers, under Wnt - and Wnt + conditions. This is a control experiment in beta-catenin knockdown cells.

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RNA Sequencing of HEK293T cells expressing a Dual-specificity Aptamer that specifically increases O-GlcNAcylation on beta-catenin when O-GlcNAc transferase was inhibited

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