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Macrophage-induced enteric neurodegeneration leads to motility impairment during gut inflammation

GSE263125 Homo sapiens (human) RNA-seq (gene expression) 23 samples Submitted 2024/12/31 Platform GPL24676Platform GPL24247
At a glance

RNA-seq (gene expression) · human · 23 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
23 samples: 8 × Human-Patient-Sample vs 5 × Naive_RiboTag IP vs 5 × IM3h_RiboTag IP vs 5 × IM24h_RiboTag IPGroups 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
Macrophage-induced enteric neurodegeneration leads to motility impairment during gut inflammationEMBO molecular medicine · 2025
Summary (written by the submitters)
Background: Current studies provide compelling evidence that the enteric nervous system and neighboring resident macrophages in the muscularis externa modulate neuroimmune processes in the gut after abdominal surgery. While substantial knowledge exists about macrophage-enteric glia interactions, the fate of enteric neurons, which have an indispensable role in gut homeostasis and gastrointestinal motility, has not been thoroughly investigated during enteric neuroinflammation.
Read the full summary ↓
Therefore, we investigated the impact of enteric neuron-macrophage interactions on postoperative trauma and subsequent motility disturbances, i.e., postoperative ileus. Methods: Neuroinflammation and postoperative ileus were induced in various transgenic mice by surgical manipulation of the small intestine. We studied enteric neurons and macrophage-specific transcriptomes using bulk RNA-Seq in neuron-specific RiboTag mice and sorted CX3CR1-GFP+ macrophages. To investigate their intercellular communication, we treated CX3CR1-GFP+ mice with CSFR1-antibody to deplete macrophages and subsequently induce POI through surgical trauma. These mice were examined for gastrointestinal motility, immune cell infiltration, and neuronal function. Ultimately, we validated the murine data in human gut samples collected early and late during abdominal surgery to understand the impact of surgical manipulation on patients' enteric nervous system function. Results: We detected strong neuronal activation in the early postsurgical phase, followed, after 24h, by transcriptional signatures of neuronal proliferation, neuronal death, and synaptic degradation. Neuron-specific transcriptome analysis confirmed these changes and verified the neuronal responses to the inflammatory environment. Simultaneously, our study revealed a neurodegenerative profile in macrophage-specific transcriptomes during POI. Depletion of macrophages before surgical manipulation led to decreased neuronal death, less synaptic decay, and improved GI motility, emphasizing the essential role of macrophages in neurodegeneration during intestinal neuroinflammation. In human jejunal muscularis externa samples, taken at early and late stages of pancreatectomies, we detected reactive and dying neurons with dysregulated gene expression of synaptic signaling and neurogenic processes. Conclusion: Surgical trauma and acute intestinal inflammation activate enteric neurons and induce neurodegeneration with severe synaptic decay, predominantly mediated by resident macrophages. Future studies should focus on neuroprotective mechanisms to dampen neurodegeneration and promote faster recovery from postoperative inflammation and motility disturbances.
Published in
Macrophage-induced enteric neurodegeneration leads to motility impairment during gut inflammation
Breßer M, Siemens KD, Schneider L et al. · EMBO molecular medicine 2025 · PMID 39762650 · doi:10.1038/s44321-024-00189-w
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 GSE263125_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 PRJNA1095896 and SRA study SRP499564. Searching any of these in the dataset finder brings you back here.

Study design
8 × Human-Patient-Sample vs 5 × Naive_RiboTag IP vs 5 × IM3h_RiboTag IP vs 5 × IM24h_RiboTag IP

Supports a case/control comparison: 8 samples read as cases, 5 as controls.

How we read this: 4 replicated groups read from 23 sample titles; they account for 23 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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