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Astrocyte glucocorticoid receptor signaling restricts neuronal plasticity [RNA-seq]

GSE306262 Mus musculus (mouse) Single-cell RNA-seq 40 samples Submitted 2026/03/20 Platform GPL19057
At a glance

Single-cell RNA-seq · mouse · 40 samples

What it is
Single-cell RNA-seqGene activity measured in thousands of individual cells, so cell types can be told apart. Read from the summary: GEO's own type field only says 'expression profiling by sequencing', so confirm it in the paper.
Organism
Mus musculus (mouse)
Samples
40 samples: 12 conditions, mostly in triplicateGroups 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.
Summary (written by the submitters)
Sensory experience refines neural circuits during critical periods of postnatal development. Although neuronal activity is known to orchestrate the circuit wiring that underlies this process, the environmental cues that restrain developmental plasticity as animals mature are less clear. Here, we examine the experience-dependent maturation of the mouse primary visual cortex (V1) across postnatal development using paired single-cell transcriptomic and chromatin accessibility sequencing.
Read the full summary ↓
In addition to identifying the activity-dependent gene programs that emerge within each cortical cell type, we find that light exposure drives astrocyte maturation through cell type-specific recruitment of the glucocorticoid receptor (Nr3c1/GR) to chromatin. Astrocyte GR signaling activates an extensive gene regulatory program that is partially conserved in human brain development and promotes maturation processes that may trigger critical period closure. Collectively, these findings reveal that astrocyte GR signaling restricts neuronal plasticity. ​​Glucocorticoid regulation of astrocyte maturation may also contribute to the effects of early-life stress across the brain, and the disruption of this process may increase susceptibility to neuropsychiatric disease.
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 GSE306262_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: Single-cell studies usually ship their counts as 10x files (matrix.mtx, barcodes.tsv, features.tsv), an .h5 file, or an .rds / .h5ad object that Seurat or Scanpy can open. Look for those among the supplementary files.

Also filed as BioProject PRJNA1310321 and SRA study SRP612553. Searching any of these in the dataset finder brings you back here.

Study design
12 conditions, mostly in triplicate
RNA-seq on P21 DR V1 astrocyte GR-Con nuclei, ×4 RNA-seq on P21 DR V1 astrocyte GR-KO nuclei, ×4 RNA-seq on P28 DR V1 astrocyte GR-Con nuclei, ×4 RNA-seq on P28 DR V1 astrocyte GR-KO nuclei, ×4 RNA-seq on P14 DR V1 astrocyte GR-Con nuclei, ×3 RNA-seq on P14 NR V1 astrocyte GR-Con nuclei, ×3 RNA-seq on P14 DR V1 astrocyte GR-KO nuclei, ×3 RNA-seq on P14 NR V1 astrocyte GR-KO nuclei, ×3 +4 more

Supports a between-group comparison across 40 samples.

How we read this: 12 replicated groups read from 40 sample titles; they account for 40 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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Metadata from NCBI GEO, cached and refreshed periodically — the NCBI page above is authoritative. Downloads link straight to NCBI/ENA; nothing is proxied through BioTransfer.