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Allergens Abrogate the Anti-inflammatory Property of DNA and Unmasks Macrophage/ILC2-STING-TNFα-driven Neutrophilic Asthma

GSE297626 Mus musculus (mouse) RNA-seq (gene expression) 12 samples Submitted 2025/06/06 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: 3 × Mouse lung, Saline vs 3 × Mouse lung, Nucleosome vs 3 × Mouse lung, Alternaria vs 3 × Mouse lung, Alternaria + NucleosomeGroups 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
Allergens abrogate antiinflammatory DNA effects and unmask macrophage-driven neutrophilic asthma via ILC2/STING/TNF-α signalingThe Journal of clinical investigation · 2025
Summary (written by the submitters)
The mechanism of neutrophilic and mixed neutrophilic-eosinophilic asthma is poorly understood. We found that extracellular DNA and nucleosomes (Nucs) were elevated in the airways from neutrophilic-eosinophilic asthma patients and correlated with bronchoalveolar lavage neutrophils. Bronchial tissue from neutrophilic-eosinophilic asthma expressed increased DNA sensor-positive cells.
Read the full summary ↓
Intranasally administered DNA did not induce airway hyperreactivity (AHR) or any pathology but induced AHR and neutrophilic-eosinophilic inflammation when co- administered with the allergen Alternaria (Alt). Nucs alone induced anti-inflammatory/defensive genes whereas the Nuc-Alt combo increased TNFα and innate cytokines. The Alt-Nuc phenotype was abolished in cGas-/- , Alr-/- , Sting-/- , LysMcre:Stingf/f, Il7rcre:Roraf/f and Tnfrsf1b-/- mice. Alt, unexpectedly, played an essential role in the Nuc-induced phenotype. It abrogated Nuc-induction of anti_x0002_inflammatory genes, facilitated Nuc uptake, induced ILC2s, which, in presence of Nucs, produced high levels of TNFα and promoted neutrophilic infiltration. We established a paradigm where allergens inhibit the anti-inflammatory effects of DNA/Nucs and facilitate STING-TNFα-driven neutrophilic-eosinophilic inflammation in asthma.
Published in
Allergens abrogate antiinflammatory DNA effects and unmask macrophage-driven neutrophilic asthma via ILC2/STING/TNF-α signaling
Sripada A, Verma D, Varma R et al. · The Journal of clinical investigation 2025 · PMID 40526428 · doi:10.1172/JCI187907
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 GSE297626_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 PRJNA1265491 and SRA study SRP586532. Searching any of these in the dataset finder brings you back here.

Study design
3 × Mouse lung, Saline vs 3 × Mouse lung, Nucleosome vs 3 × Mouse lung, Alternaria vs 3 × Mouse lung, Alternaria + Nucleosome

Supports a between-group comparison across 12 samples.

How we read this: 4 replicated groups read from 12 sample titles; they account for 12 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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