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MYCN directly regulates TET1 expression to control 5-hmC distribution and enhance neuroblastoma cell migration in hypoxia

ABSTRACT: MYCN directly regulates TET1 expression to control 5-hmC distribution and enhance neuroblastoma cell migration in hypoxia

PROVIDER: PRJNA704703 | ENA |

REPOSITORIES: ENA

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MYCN directly regulates TET1 expression to control 5-hmC distribution and enhance neuroblastoma cell migration in hypoxia [hMe-SEAL]

Project description:MYCN directly regulates TET1 expression to control 5-hmC distribution and enhance neuroblastoma cell migration in hypoxia [hMe-SEAL]

| PRJNA704701 | ENA

MYCN directly regulates TET1 expression to control 5-hmC distribution and enhance neuroblastoma cell migration in hypoxia [ChIP-Seq]

Project description:MYCN directly regulates TET1 expression to control 5-hmC distribution and enhance neuroblastoma cell migration in hypoxia [ChIP-Seq]

| PRJNA704704 | ENA

MYCN directly regulates TET1 expression to control 5-hmC distribution and enhance neuroblastoma cell migration in hypoxia [RNA-Seq]

Project description:MYCN directly regulates TET1 expression to control 5-hmC distribution and enhance neuroblastoma cell migration in hypoxia [RNA-Seq]

| PRJNA704705 | ENA

MYCN directly regulates TET1 expression to control 5-hmC distribution and enhance neuroblastoma cell migration in hypoxia [hMe-SEAL]

Project description:We characterized genome-wide 5-hydroxymerhylcytosine (5-hmC) distribution at 0,6,12,24, 48, 72 hours in hypoxia in SK-N-BE(2) neuroblastoma cell line.5-hmC increases over time in hypoxic but especially between 0 and 6 and 24 to 48 hours.

2022-08-10 | GSE167475 | GEO

MYCN directly regulates TET1 expression to control 5-hmC distribution and enhance neuroblastoma cell migration in hypoxia [RNA-Seq]

Project description:We performed RNA-sequencing on inducible MYCN cell line SHEPTET21n on Day 4 post MYCN induction

2022-08-10 | GSE167476 | GEO

MYCN directly regulates TET1 expression to control 5-hmC distribution and enhance neuroblastoma cell migration in hypoxia [ChIP-Seq]

Project description:We performed HIF-1alpha ChIP-seq in SK-N-BE(2) cells cultured in normoxia vs. hypoxia for 48 hrs. We identified two new HIF-1alpha binding sites in TET1 that control TET1expression in hypoxia

2022-08-10 | GSE167477 | GEO

MYCN directly regulates TET1 expression to control 5-hmC distribution and enhance neuroblastoma cell migration in hypoxia

Project description:This SuperSeries is composed of the SubSeries listed below.

2022-08-10 | GSE167478 | GEO

Tet1 and hydroxymethylcytosine in transcription and DNA methylation fidelity (ChIP/DIP-Seq data)

Project description:We analyzed the genome-wide binding of Tet1 in control (shScr) and Tet1 knockdown (shTet1) mouse ES cells using two different Tet1 antibodies (Tet1-C and Tet1-N). Furthermore, we generated genome-wide mapping of hydroxymethyl cytosine (hmC) and methyl cytosine (mC). We find that hmC, in contrast to mC, is also found at transcription start sites (TSSs), and that there is a significant overlap between Tet1 binding and hmC positive regions. Surprisingly, our results also suggest, that Tet1 has a role in transcriptional repression. We showed that Tet1 associates with Sin3A co-repressor complex, and by performing ChIP-sequencing of Sin3A, we find co-localisation of Tet1 and Sin3a throughout the genome Examination of Tet1 and Sin3A binding as well as hmC and mC localization in mouse ES cells

2011-04-13 | E-GEOD-24841 | biostudies-arrayexpress

Tet1 and hydroxymethylcytosine in transcription and DNA methylation fidelity (ChIP/DIP-Seq data)

2011-04-13 | GSE24841 | GEO

Tet1 and hydroxymethylcytosine in transcription and DNA methylation fidelity (Affymetrix gene expression data)

Project description:Enzymes catalyzing the methylation of the 5-position of cytosine (mC) have essential roles in regulating gene expression, genome stability, and maintaining cellular identity. Recently Tet1, which is highly expressed in embryonic stem (ES) cells, was found to oxidize the methyl group of mC converting it to 5-hydroxymethyl cytosine (hmC)3. Here, we present the genome-wide mapping of Tet1 and hmC in mouse ES cells. We show that Tet1 binds throughout the genome with the majority of binding sites located at transcription start sites (TSSs) and within genes. Similar to Tet1 and mC, also hmC is found throughout the genome and in particular in gene bodies. However, in contrast to mC, hmC is enriched at TSSs. Tet1 and hmC are associated with genes critical for the control of development and differentiation, which become methylated during differentiation. Surprisingly our results also suggest that Tet1 has a role in transcriptional repression. We show that Tet1 binds to a significant proportion of target genes that are positive for the Polycomb repressive histone mark H3K27me3, and that downregulation of Tet1 also leads to increased expression of a group of Tet1 target genes. In agreement with a potential repressive function, we show that Tet1 associates with the Sin3A co-repressor complex, which also co-localises with Tet1 throughout the genome. We propose that Tet1 fulfils dual functions in transcriptional regulation, where it fine-tunes DNA methylation and associates with the Sin3A co-repressor complex to prevent transcriptional activation. [GSM611209-GSM611217] Control (shScr) or two different Tet1 knockdown (shTet1#4 or shTet1#5) mouse ES cells were used. Each experiment was performed in triplicates. [GSM675884-GSM675889] Control (shScr) or Sin3A knockdown (shSin3A) mouse ES cells were used.Each experiment was performed in triplicates.

2011-04-13 | E-GEOD-24842 | biostudies-arrayexpress

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