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Efferocytosis and other corpse clearance transfers metal micronutrients to engulfing macrophages triggering a metallothionein response necessary to preserve mitochondrial function

GSE325042 Mus musculus (mouse) RNA-seq (gene expression) 27 samples Submitted 2026/05/01 Platform GPL24247
At a glance

RNA-seq (gene expression) · mouse · 27 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
27 samples: 7 conditions, mostly in triplicateGroups 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)
In the human body, billions of cells die each day during normal turnover, infection, and tissue damage. Macrophages are critical for engulfing and clearing dead cells to maintain health. It is increasingly appreciated that this process requires rapid degradation the corpse metabolic load to maintain normal macrophage functions and mount appropriate immune responses.
Read the full summary ↓
To understand conserved reprogramming associated with successful corpse engulfment, this study compares RNA-sequencing on three different macrophage populations in mice to understand conserved programming downstream of apoptotic cell engulfment in vitro and in vivo. Pathway analysis identifies enrichment of conserved pathways related to metabolite handling in all three engulfing macrophage populations, including pathways related to metal ion homeostasis. Our study identifies metals as part of the corpse-derived metabolic load transferred to macrophages. We demonstrate a conserved role of macrophage metallothionein (MT) gene upregulation in the management of cell-derived metals transferred during engulfment of apoptotic corpses, necrotic corpses, or live cells. Mechanistically, MTs facilitate prompt control of free zinc released during corpse degradation in the phagolysosome. MTs are necessary for macrophages to enhance oxidative phosphorylation in response to apoptotic cell engulfment, connecting control of corpse-derived metals to macrophage metabolic response. Collectively, these findings identify metals as micronutrients transferred from corpses to engulfing macrophages during efferocytosis and other corpse clearance and demonstrate an important role for metallothioneins in processing corpse-associated metals to preserve macrophage functions.
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 GSE325042_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 PRJNA1438281 and SRA study SRP684273. Searching any of these in the dataset finder brings you back here.

Study design
7 conditions, mostly in triplicate
Resident airway macrophages, non-engulfing, ×5 Resident airway macrophages, engulfing, ×5 Recruited airway macrophages, non-engulfing, ×4 Recruited airway macrophages, engulfing, ×4 non-engulfing, ×3 engulfing, ×3 control, ×3

Supports a between-group comparison across 27 samples.

How we read this: 7 replicated groups read from 27 sample titles; they account for 27 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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Metadata from NCBI GEO, cached and refreshed periodically — the NCBI page above is authoritative. Downloads link straight to NCBI/ENA; nothing is proxied through BioTransfer.