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The Human Milk Oligosaccharide 3’Sialyllactose Promotes Inflammation Resolution and Reduces Atherosclerosis Development in Mice

GSE167999 Mus musculus (mouse) RNA-seq (gene expression) 12 samples Submitted 2024/09/01 Platform GPL21103
At a glance

RNA-seq (gene expression) · mouse · 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
Mus musculus (mouse)
Samples
12 samples
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 human milk oligosaccharide 3'sialyllactose reduces low-grade inflammation and atherosclerosis development in miceJCI insight · 2024
Summary (written by the submitters)
Macrophages contribute to the induction and resolution of inflammation and play a central role in the chronic low-grade inflammation in cardiovascular diseases caused by atherosclerosis. Human milk oligosaccharides (HMOs) are complex unconjugated glycans unique to human milk that benefit infant health and act as innate immune modulators.
Read the full summary ↓
Here we identify the HMO 3’sialyllactose (3’SL) as a natural inhibitor of TLR4-induced low-grade inflammation in macrophages and endothelium. Transcriptome analysis in macrophages revealed that 3’SL attenuates a selected set of inflammatory gene expression and promotes activity of LXR and SREBP. Surprisingly, the acute anti-inflammatory effects of 3’SL were associated with reduced histone H3K27 acetylation at a subset of LPS-inducible enhancers distinguished by preferential enrichment for CTCF, IRF2, BCL6 and other transcription factor recognition motifs. In a murine atherosclerosis model, the subcutaneous administration of 3’SL significantly reduced atherosclerosis development and macrophage content in atherosclerotic lesions. This study provides evidence that 3’SL attenuates inflammation by a transcriptional mechanism to reduce atherosclerosis development in the context of cardiovascular disease.
Published in
The human milk oligosaccharide 3'sialyllactose reduces low-grade inflammation and atherosclerosis development in mice
Pessentheiner AR, Spann NJ, Autran CA et al. · JCI insight 2024 · PMID 39325548 · doi:10.1172/jci.insight.181329
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 GSE167999_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 PRJNA705731 and SRA study SRP308740. Searching any of these in the dataset finder brings you back here.

Samples in this study

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+ 12 more — browse all 12 samples with per-sample file links →

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