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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

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

PROVIDER: PRJNA783903 | ENA |

REPOSITORIES: ENA

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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

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. This dataset is from the control experiment in which all samples were treated with the OGT inhibitor Ac5S.

2022-11-01 | GSE189622 | GEO

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

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 which all samples were treated with the OGT inhibitor Ac5S.

2022-10-11 | GSE214774 | GEO

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

2022-11-01 | GSE189378 | GEO

RNA Sequencing of HEK293T cells expressing a Dual-specificity Aptamer that specifically increases O-GlcNAcylation on beta-catenin when EZH2 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. 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. This dataset is from the control experiment in which EZH2 was knocked-down with a shRNA in all samples.

2022-10-11 | GSE214777 | GEO

Inhibition of O-GlcNAcylation via O-GlcNAc transferase fosters megakaryopoiesis and induces thrombopoiesis

Project description:We report that cellular O-GlcNAcylation levels decline along the course of megakaryocyte (MK) differentiation from human-derived hematopoietic stem and progenitor cells (HSPCs) and that inhibition of O-GlcNAc transferase (OGT), of which catalyzes O-GlcNAcylation, prolongedly decreases O-GlcNAcylation and induces megakaryopoiesis and thrombopoiesis. To gain the better insight into the potential mechanisms underlying platelet regulation by O-GlcNAcylation ,we compared the genome-wide transcription profiles of megakaryblastic MEG-01 cells with decreased O-GlcNAcylation (OGTi) and its control counterpart using RNA sequencing. Gene ontology and enrichment analysis of differentially expressed genes suggest that platelet formation might be regulated through the perturbation in cell adhesion molecules, i.e. integrin-a4 and b7, downstream of O-GlcNAc/c-Myc axis.

2020-08-06 | GSE150880 | GEO

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.

2022-11-30 | GSE190172 | GEO

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.

2022-10-11 | GSE214775 | GEO

Effect of O-GlcNAc transferase deficiency on intestinal epithelial cells in mice

Project description:O-GlcNAcylation is the modification of serine and threonine residues with beta-N-acetylglucosamine (O-GlcNAc) on intracellular proteins. To investigate the role of protein O-GlcNAcylation on intestinal homeostasis, we generated intestinal epithelial cell (IEC)-specific O-GlcNAc transferase (OGT) knockout in mice. The KO mice developed spontanous intestinal inflammation. To determine the underlying molecular mechanisms, we performed RNA sequencing of ileum and colon epithelial cells of wildtype and IEC-OGT KO mice.

2017-06-27 | GSE100473 | GEO

Inhibition of O-GlcNAcylation via O-GlcNAc transferase fosters megakaryopoiesis and induces thrombopoiesis

Project description:Inhibition of O-GlcNAcylation via O-GlcNAc transferase fosters megakaryopoiesis and induces thrombopoiesis

| PRJNA633908 | ENA

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

Project description:CUT&RUN Sequencing of EZH2 binding sites in HEK293T cells expressing a Dual-specificity Aptamer that specifically increases O-GlcNAcylation on beta-catenin when O-GlcNAc transferase was inhibited

| PRJNA887059 | ENA

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