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Single Nucleus RNAseq dissection of choroid plexus tumor cell heterogeneity

GSE264154 Homo sapiens (human) Single-nucleus RNA-seq 15 samples Submitted 2024/09/27 Platform GPL24676
At a glance

Single-nucleus RNA-seq · human · 15 samples

What it is
Single-nucleus RNA-seqGene activity measured in individual nuclei (used when whole cells are hard to isolate, for example from frozen tissue). Read from the summary: GEO's own type field only says 'expression profiling by sequencing', so confirm it in the paper.
Organism
Homo sapiens (human)
Samples
15 samples: 5 × choroid plexus tumor, CPC, sample vs 4 × choroid plexus, normal, sample vs 4 × choroid plexus tumor, CPP, sample vs 2 × choroid plexus tumor, aCPP, sampleGroups 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
Single-nucleus RNA-seq dissection of choroid plexus tumor cell heterogeneityThe EMBO journal · 2024
Summary (written by the submitters)
To examine the cellular and transcriptional heterogeneity of choroid plexus tumors we determined the single nucleus transcriptomes of 23,906 nuclei from normal choroid plexus and choroid plexus tumors. The resulting cellular atlas profiles cellular and transcriptional heterogeneity, copy number alterations, and cell-cell interaction networks in normal and cancerous choroid plexus.
Read the full summary ↓
We observe changes in choroid plexus tumor epithelial cell gene transcription that correlate with genome wide methylation profiles. In addition, we characterize tumor-grade-specific tumor microenvironments that include altered macrophage and mesenchymal cell states, as well as changes in extracellular matrix components.
Published in
Single-nucleus RNA-seq dissection of choroid plexus tumor cell heterogeneity
Hill AD, Okonechnikov K, Herr MK et al. · The EMBO journal 2024 · PMID 39482394 · doi:10.1038/s44318-024-00283-2
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 GSE264154_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 PRJNA1101064 and SRA study SRP502101. Searching any of these in the dataset finder brings you back here.

Study design
5 × choroid plexus tumor, CPC, sample vs 4 × choroid plexus, normal, sample vs 4 × choroid plexus tumor, CPP, sample vs 2 × choroid plexus tumor, aCPP, sample

Supports a case/control comparison: 11 samples read as cases, 4 as controls.

How we read this: 4 replicated groups read from 15 sample titles; they account for 15 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.