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IL-5 increases pro-fibrotic and pro-inflammatory signalling in severe asthmatic fibroblasts

GSE285468 Homo sapiens (human) RNA-seq (gene expression) 12 samples Submitted 2025/04/11 Platform GPL24014
At a glance

RNA-seq (gene expression) · human · 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
Homo sapiens (human)
Samples
12 samples: 3 × Normal_fibroblasts_IL-5_stimulated vs 3 × Normal_fibroblasts_Unstimulated vs 3 × Asthmatic_fibroblasts_Unstimulated vs 3 × Asthmatic_fibroblasts_IL-5_stimulatedGroups 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.
Summary (written by the submitters)
Fibrosis is a hallmark feature of airway remodeling in asthma. However, the exact molecular mechanisms driving its development and progression remain inadequately understood. Interleukin-5 (IL-5) plays a potent role in the inflammatory response associated with eosinophils and asthma pathophysiology, but its direct impact on lung fibroblasts and contribution to fibrosis have yet to be fully explored.
Read the full summary ↓
In our study, we investigated the pro-fibrotic effects of IL-5 on human lung fibroblasts derived from asthmatic and normal subjects. Following IL-5 stimulation, these fibroblasts were subjected to a series of experiments to assess IL-5’s impact on fibrosis. Our findings reveal that IL-5 triggers the release of several extracellular matrix (ECM) components, and disrupts the balance of matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) . This imbalance further disrupts the MMP/TIMP ratio. Additionally, IL-5 stimulation promotes the release of pro-inflammatory and pro-fibrotic cytokines, Overall, these findings indicate a novel pro-fibrotic role of IL-5 through its direct action on lung fibroblasts, offering valuable insights into the therapeutic potential of targeting IL-5 to mitigate or possibly reverse airway remodeling in asthma.
This dataset
Open GSE285468 in finder → Find more human RNA-seq datasets →
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.

Series matrix ↓
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 GSE285468_RAW.tar (it can run to tens of gigabytes).

All supplementary files ↗ Whole study · RAW.tar ↓
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.

Raw reads on ENA ↗

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 PRJNA1203681 and SRA study SRP554141. Searching any of these in the dataset finder brings you back here.

NCBI GEO page ↗
Study design
3 × Normal_fibroblasts_IL-5_stimulated vs 3 × Normal_fibroblasts_Unstimulated vs 3 × Asthmatic_fibroblasts_Unstimulated vs 3 × Asthmatic_fibroblasts_IL-5_stimulated

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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