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The Integrated Stress Response Pathway Improves Aged Murine Muscle Stem Cell Activation and in vivo Regeneration

GSE306935 Mus musculus (mouse) RNA-seq (gene expression) 12 samples Submitted 2025/09/03 Platform GPL24247
At a glance

RNA-seq (gene expression) · mouse · 12 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
12 samples: 4 × MuSCs, Adult, DMSO, vs 4 × MuSCs, Aged, DMSO, vs 3 × MuSCs, Aged, ISR-a,Groups 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
The Integrated Stress Response Pathway Improves Aged Murine Muscle Stem Cell Activation and in vivo RegenerationbioRxiv : the preprint server for biology · 2025
Summary (written by the submitters)
For efficient regeneration, muscle stem cells (MuSCs) transition out of quiescence through a series of progressively more activated states. During MuSC aging, transition through the earliest steps is the slowest and delayed, with the molecular regulators that govern this transition not well characterized. Here, we found that aged MuSCs have increased baseline integrative stress response (ISR) activity in quiescence that does not increase during activation to levels observed in adult MuSCs.
Read the full summary ↓
Rapid and transient pharmacological ISR activation in vitro was sufficient to increase aged MuSC activation rate through ISR-activator (ISR-a) and migratory behavior and also alter the transcriptional states toward an adult phenotype. ISR activation also improved aged MuSC potency and aged mouse muscle regeneration in vivo. Therefore, pharmacological activation of the ISR has therapeutic potential to improve MuSC function and skeletal muscle repair during aging.
Published in
The Integrated Stress Response Pathway Improves Aged Murine Muscle Stem Cell Activation and in vivo Regeneration
Brown AD, Scaramozza A, Zhang H et al. · bioRxiv : the preprint server for biology 2025 · PMID 41256688 · doi:10.1101/2025.09.26.678822
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 GSE306935_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 PRJNA1314012 and SRA study SRP616582. Searching any of these in the dataset finder brings you back here.

Study design
4 × MuSCs, Adult, DMSO, vs 4 × MuSCs, Aged, DMSO, vs 3 × MuSCs, Aged, ISR-a,

Supports a between-group comparison across 11 samples.

How we read this: 3 replicated groups read from 12 sample titles; they account for 11 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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