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Impact of PD-L1 overexpression on immune checkpoint inhibitor efficacy in triple-negative breast cancer using a 4T1 murine model.

GSE292013 Mus musculus (mouse) RNA-seq (gene expression) 12 samples Submitted 2025/03/28 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: 12 samples, each with a distinct title — no replicated groupsGroups 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
Impact of PD‑L1 upregulation on immune checkpoint inhibitor efficacy in triple‑negative breast cancer using a 4T1 murine modelInternational journal of oncology · 2025
Summary (written by the submitters)
Bulk RNA sequencing was performed to investigate transcriptomic changes in 4T1 tumors treated with anti-PD-L1 therapy. Tumors were derived from 4T1 control and PD-L1-overexpressing cells injected into mice, followed by IgG or anti-PD-L1 treatment. Gene expression analysis revealed distinct immune-related pathway alterations, with reduced immune activation in PD-L1-overexpressing tumors.
Read the full summary ↓
Differentially expressed genes suggested an immunosuppressive tumor microenvironment, potentially contributing to resistance to anti-PD-L1 therapy. These findings provide insights into the molecular mechanisms underlying immune checkpoint inhibitor response in triple-negative breast cancer.
Published in
Impact of PD‑L1 upregulation on immune checkpoint inhibitor efficacy in triple‑negative breast cancer using a 4T1 murine model
Park AY, Kim JH, Lee S et al. · International journal of oncology 2025 · PMID 40511536 · doi:10.3892/ijo.2025.5760
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 GSE292013_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 PRJNA1234857 and SRA study SRP570338. Searching any of these in the dataset finder brings you back here.

Study design
12 samples, each with a distinct title — no replicated groups

Any grouping that defines a comparison lives in the sample characteristics, which GEO records separately from the titles.

How we read this: Read from 12 sample titles: 12 distinct titles with little repetition. 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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