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Short-term cold exposure induces persistent epigenomic memory in brown fat [RNA-Seq]

GSE244385 Mus musculus (mouse) RNA-seq (gene expression) 24 samples Submitted 2024/07/05 Platform GPL13112
At a glance

RNA-seq (gene expression) · mouse · 24 samples

What it is
RNA-seq (gene expression)Gene activity measured by sequencing. The summary does not mention single-cell work, so this is most likely bulk: one average per sample, the usual starting point for comparing groups.
Organism
Mus musculus (mouse)
Samples
24 samples: 6 conditions, mostly with about 4 replicates eachGroups 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
Short-term cold exposure induces persistent epigenomic memory in brown fatCell metabolism · 2024
Summary (written by the submitters)
Deficiency of the epigenome modulator histone deacetylase 3 (HDAC3) in brown adipose tissue (BAT) impairs the ability of mice to survive in near-freezing temperatures. Here, we report that short-term exposure to mild cold temperature (STEMCT: 15°C for 24 hours) averted lethal hypothermia of mice lacking HDAC3 in BAT (HDAC3 BAT KO) exposed to 4°C.
Read the full summary ↓
STEMCT restored the induction of the thermogenic coactivator PGC-1a along with UCP1 at 22°C, which is greatly impaired in HDAC3-deficient BAT, and deletion of either UCP1 or PGC-1a prevented the protective effect of STEMCT. Remarkably, the protection of HDAC3 BAT KO mice from cold intolerance following STEMCT lasted for up to 7 days. Transcriptional activator C/EBPb was induced by short-term cold exposure in mouse and human BAT and, uniquely, remained high for 7 days following STEMCT. Furthermore, analysis of C/EBPb activity revealed increased binding following STEMCT at genes, including the enhancers/promotors of UCP1 and PGC-1a. These results reveal the existence of a cold-adaptive epigenomic memory mediated by C/EBPb that is persistent and HDAC3-independent.
Published in
Short-term cold exposure induces persistent epigenomic memory in brown fat
Inoue SI, Emmett MJ, Lim HW et al. · Cell metabolism 2024 · PMID 38889724 · doi:10.1016/j.cmet.2024.05.011
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 GSE244385_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: For RNA-seq the counts are usually a table among the supplementary files (look for 'counts', 'expression', 'FPKM' or 'TPM' in the file name). The series matrix of a sequencing study is sometimes nearly empty.

Also filed as BioProject PRJNA1022504 and SRA study SRP463980. Searching any of these in the dataset finder brings you back here.

Study design
6 conditions, mostly with about 4 replicates each
Control_22C ×4 KO_22C ×4 Control_24h_Rec ×4 KO_24h_Rec ×4 Control_7d_Rec ×4 KO_7d_Rec ×4

Supports a between-group comparison across 24 samples.

How we read this: 6 replicated groups read from 24 sample titles; they account for 24 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
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