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Transcriptomic Profiling of Neutrophils and Low-Density Granulocytes in COVID-19 Patients

GSE272381 Homo sapiens (human) RNA-seq (gene expression) 36 samples Submitted 2024/07/23 Platform GPL24676
At a glance

RNA-seq (gene expression) · human · 36 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
36 samples: 15 × Severe COVID-19 PMN, vs 8 × Mild COVID-19 PMN, vs 7 × Healthy control PMN, vs 6 × Severe COVID-19 LDG,Groups 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
The assembly of neutrophil inflammasomes during COVID-19 is mediated by type I interferonsPLoS pathogens · 2024
Summary (written by the submitters)
The severity of COVID-19 is linked to excessive inflammation. Neutrophils represent a critical arm of the innate immune response and are major mediators of inflammation, but their role in COVID-19 pathophysiology remains poorly understood. We conducted transcriptomic profiling of neutrophils obtained from patients with mild and severe COVID-19, as well as from non-infected healthy controls.
Read the full summary ↓
Additionally, low-density granulocytes (LDGs) from patients with severe COVID-19 were included to understand their unique role. Transcriptomic analysis of polymorphonuclear cells (PMNs), consisting mainly of mature neutrophils, revealed a striking type I interferon (IFN-I) gene signature in severe COVID-19 patients, contrasting with mild COVID-19 and healthy controls. LDGs from severe COVID-19 patients exhibited an immature neutrophil phenotype and lacked this IFN-I signature. These findings underscore the crucial role of neutrophil inflammasomes in driving inflammation during severe COVID-19. The study provides insights into the pathological mechanisms of severe COVID-19 and highlights potential targets for therapeutic intervention.
Published in
The assembly of neutrophil inflammasomes during COVID-19 is mediated by type I interferons
Cabrera LE, Jokiranta ST, Mäki S et al. · PLoS pathogens 2024 · PMID 39172744 · doi:10.1371/journal.ppat.1012368
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 GSE272381_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 PRJNA1136544 and SRA study SRP520284. Searching any of these in the dataset finder brings you back here.

Study design
15 × Severe COVID-19 PMN, vs 8 × Mild COVID-19 PMN, vs 7 × Healthy control PMN, vs 6 × Severe COVID-19 LDG,

Supports a between-group comparison across 36 samples.

How we read this: 4 replicated groups read from 36 sample titles; they account for 36 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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