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Functional heterogeneity of dentate gyrus mossy cells along the longitudinal axis of the hippocampus

GSE156004 Mus musculus (mouse) RNA-seq (gene expression) 10 samples Submitted 2026/07/22 Platform GPL17021
At a glance

RNA-seq (gene expression) · mouse · 10 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
10 samples: 5 × Mossy cells_Dorsal vs 5 × Mossy cells_VentralGroups 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
Translational Profiling of Drd2-Expressing Populations Reveals Molecular Heterogeneity of Dentate Gyrus Mossy Cells along the Dorsoventral AxiseNeuro · 2026
Summary (written by the submitters)
Glutamatergic mossy cells (MCs) display unique connectivity by projecting their axons bilaterally along the longitudinal axis of the dentate gyrus (DG). However, it is unclear whether MCs are heterogeneous in their neuronal properties and functions. Here, we demonstrated within-cell-type heterogeneity of MC subpopulations depending on their dorsoventral location.
Read the full summary ↓
Gene expression profiles of dMCs and vMCs were associated with different neurobiological processes including axon guidance, synaptic transmission, and neurometabolism. Despite common activation by external stimuli, dMCs, but not vMCs, provide net inhibitory control of granule cell excitability across the longitudinal axis of the DG. Intrinsic heterogeneity within MCs provides substantial mechanisms underlying functional differentiation as well as association across the longitudinal extent of the hippocampus.
Published in
Translational Profiling of Drd2-Expressing Populations Reveals Molecular Heterogeneity of Dentate Gyrus Mossy Cells along the Dorsoventral Axis
Jeong M, Jang JH, Oh SJ et al. · eNeuro 2026 · PMID 42386531 · doi:10.1523/ENEURO.0236-25.2026
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 GSE156004_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 PRJNA656298 and SRA study SRP276952. Searching any of these in the dataset finder brings you back here.

Study design
5 × Mossy cells_Dorsal vs 5 × Mossy cells_Ventral

Supports a between-group comparison across 10 samples.

How we read this: 2 replicated groups read from 10 sample titles; they account for 10 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.