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The DNA-damage response triggered by the caspase-activated DNAse contributes to inflammation and immune response

GSE212956 Homo sapiens (human) RNA-seq (gene expression) 16 samples Submitted 2024/08/08 Platform GPL18573
At a glance

RNA-seq (gene expression) · human · 16 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
16 samples: 4 × wt 6h ut B vs 4 × wt 6h IAA B vs 4 × wt 14h ut B vs 4 × wt 14h IAA BGroups 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 Caspase-Activated DNase drives inflammation and contributes to defense against viral infectionCell death and differentiation · 2024
Summary (written by the submitters)
A DNA-damage response (DDR) occurs upon physical and chemical insults to genomic DNA and drives inflammation. The caspase-activated DNAse (CAD) is a nuclear enzyme that degrades DNA during apoptosis but that can also be activated by sub-lethal signals in the mitochondrial apoptosis pathway. Viral and bacterial agents of disease trigger such sub-lethal signals in infected cells and cause the activation of CAD.
Read the full summary ↓
We report that activation of CAD causes transient genomic DNA-breaks and a DDR that involves activation of major pro-inflammatory signaling pathways and induction of a gene-expression profile typical of the host response to viral and bacterial infection. Cells deficient in CAD had a reduced inflammatory response to sub-lethal mitochondrial signals and to infection with DNA- and RNA-viruses. CAD-deficient mice infected with influenza A virus showed a reduced inflammatory gene-expression profile in lung tissue, accompanied by an increase in viral titers, changes in pathology and higher weight loss. The results identify CAD as a contributor to host defense to infection and the initiation of the immune response. They further suggest that the induction of genomic DNA-damage is a physiological event in the defense against pathogens.
Published in
The Caspase-Activated DNase drives inflammation and contributes to defense against viral infection
Moeed A, Thilmany N, Beck F et al. · Cell death and differentiation 2024 · PMID 38849575 · doi:10.1038/s41418-024-01320-7
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 GSE212956_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 PRJNA878517 and SRA study SRP396291. Searching any of these in the dataset finder brings you back here.

Study design
4 × wt 6h ut B vs 4 × wt 6h IAA B vs 4 × wt 14h ut B vs 4 × wt 14h IAA B

Supports a between-group comparison across 16 samples.

How we read this: 4 replicated groups read from 16 sample titles; they account for 16 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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