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Functional Targeting of ILC2s and ILC3s reveals selective roles in intestinal fibrosis and homeostasis.

GSE290467 Mus musculus (mouse) RNA-seq (gene expression) 3 samples Submitted 2025/05/15 Platform GPL30172
At a glance

RNA-seq (gene expression) · mouse · 3 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
3 samples
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
Functional targeting of ILC2s and ILC3s reveals selective roles in intestinal fibrosis and homeostasisThe Journal of experimental medicine · 2025
Summary (written by the submitters)
Innate lymphoid cells (ILCs) are long-lived tissue-resident analogues to T helper cell subsets that lack antigen-specific receptors. Understanding the roles of specific ILC subsets in chronic inflammation and fibrosis has been hampered by a lack of adequate tools for their selective targeting. Here, we used two Cre-deleter strains, Il17rb-CreERT2-eGFP and Rorc-Cre, to selectively delete RORa, a master transcriptional regulator, in ILC2s and ILC3/Th17 cells, respectively.
Read the full summary ↓
Deletion of RORa in ILC2s led to a significant loss of gastrointestinal ILC2s, a concomitant increase in ILC3s, elevated Th17-type responses, and heightened susceptibility to Crohn’s-like fibrosis in a Salmonella infection model. In contrast, RORa deletion in ILC3/Th17 cells reduced IL-17 production, protecting against fibrosis. We further confirmed the role of IL-17 and ILC3 in fibrotic responses using isolithocholic acid (isoLCA), a microbially-derived secondary bile acid and RORγt inverse agonist. In RORγt reporter and Th17-deficient Rag1−/− mice, isoLCA reduced IL-17 production by ILC3s. In the context of intestinal fibrosis, we show that isoLCA attenuates collagen deposition and fibrotic pathology by dampening RORγt-dependent IL-17 production by ILC3s. These findings reveal a novel interplay between ILC2s and ILC3s in gut homeostasis and demonstrate the therapeutic potential of targeting RORγt in ILC3s as a strategy for preventing fibrosis.
Published in
Functional targeting of ILC2s and ILC3s reveals selective roles in intestinal fibrosis and homeostasis
Kabil A, Nayyar N, Xu C et al. · The Journal of experimental medicine 2025 · PMID 40434419 · doi:10.1084/jem.20241671
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 GSE290467_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 PRJNA1228125 and SRA study SRP566256. Searching any of these in the dataset finder brings you back here.

Samples in this study

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