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TET activity propagates transcriptional memory through embryonic dormancy [CUT&Tag]

GSE221466 Mus musculus (mouse) ChIP-seq / ATAC-seq (genome binding and open chromatin) 28 samples Submitted 2024/03/19 Platform GPL24247
At a glance

ChIP-seq / ATAC-seq (genome binding and open chromatin) · mouse · 28 samples

What it is
ChIP-seq / ATAC-seq (genome binding and open chromatin)Where proteins bind the genome, or which regions are open and active.
Organism
Mus musculus (mouse)
Samples
28 samples: 13 conditions, mostly in duplicateGroups are read from the sample names, not from the paper. Check the list below.
Data you can get
A processed table (series matrix) and supplementary files from NCBI; the raw sequencing reads from ENA. Which of these hold counts depends on the study, so check the file list.
Paper
TET activity safeguards pluripotency throughout embryonic dormancyNature structural & molecular biology · 2024
Summary (written by the submitters)
Dormancy is an essential biological process for the propagation of many life forms through generations and stressful conditions. Early embryos of many mammals are preservable for weeks to months within the uterus under dormancy, which can be induced in vitro through mTOR inhibition. Dormancy features silencing of the genome and abundant heterochromatin formation, which conflicts with the permissive and uncommitted genomic profile of pluripotent cells.
Read the full summary ↓
Cellular strategies to maintain pluripotency in the fate of this conflict are not known.  Here we probed chromatin regulation during embryonic stem cells’ (ESC) entry into dormancy to identify mechanisms that ensure nsure faithful propagation of cellular identity through dormancy. We show a global increase in DNA methylation and loss of chromatin accessibility in dormant ESCs and find that TET DNA demethylases are essential to counteract this trend at key pluripotency regulatory elements. Perturbation of TET activity compromises transcriptional programs and embryo survival through dormancy; whereas its enhancement improves survival rates. We propose that key regulatory elements are bookmarked coordinately by TETs and transcription factors in dormancy for maintenance of cellular identity. Our results reveal the first essential chromatin regulator in establishing mammalian dormancy and paves the way to building its temporal regulatory code in embryonic and adult tissues.
Published in
TET activity safeguards pluripotency throughout embryonic dormancy
Stötzel M, Cheng CY, IIik IA et al. · Nature structural & molecular biology 2024 · PMID 38783076 · doi:10.1038/s41594-024-01313-7
This dataset
Download · which file do I need?

Direct links to NCBI and ENA, no account and no request form. Pick by what you want to do: take the small processed table to look, the supplementary files to re-analyse, or the original raw data to start over.

1 · Just have a look

Processed table

The series matrix: one table of values per sample as the submitters processed it. The smallest download, and it opens in Excel or R. Start here to see what the data look like.

2 · Re-analyse it

Supplementary files

The count tables and other files the authors uploaded. Take only the samples you need, or the whole study as GSE221466_RAW.tar (it can run to tens of gigabytes).

3 · Start from the raw reads

Raw sequencing reads

The original FASTQ files, straight from the sequencer, held at ENA. Large, and you align them yourself, so only choose this if you need to re-process the study from scratch.

What the files usually look like: Look for peak files (.bed, .narrowPeak) and signal tracks (.bigWig) among the supplementary files; the raw reads are on ENA.

Also filed as BioProject PRJNA914424 and SRA study SRP414187. Searching any of these in the dataset finder brings you back here.

Study design
13 conditions, mostly in duplicate
TET1_WT_144h ×2 TET1_WT_24h ×2 TET1_WT_72h ×2 TET1_WT_N ×2 TET2_WT_144h ×2 TET2_WT_24h ×2 TET2_WT_72h ×2 TET2_WT_N ×2 +7 more

Supports a between-group comparison across 26 samples.

How we read this: 13 replicated groups read from 28 sample titles; they account for 26 of them. These groups are guessed from the sample names, not taken from the paper, so check them against the sample list below before relying on them.

Samples in this study
Datasets on a similar topic

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