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Evidence of a gut-adipose-liver axis: microbiota encroachment in metabolic dysfunction-associated steatotic liver disease

GSE282757 Homo sapiens (human) RNA-seq (gene expression) 39 samples Submitted 2026/06/01 Platform GPL30173
At a glance

RNA-seq (gene expression) · human · 39 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
39 samples: 13 × Healthy vs 13 × Steatosis vs 13 × FibrosisGroups 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)
Metabolic dysfunction-associated steatotic liver disease (MASLD) affects ~40% of adults, but causal mechanisms remain elusive. Preclinical models implicate the gut microbiota in MASLD pathogenesis, yet translation to humans is hampered by instability and variability in microbial composition. We addressed these gaps by investigating whether stable, quantitative gut phenotypes including microbiota encroachment are pathological features of MASLD.
Read the full summary ↓
Sigmoid colon biopsies were collected from participants with and without imaging-defined MASLD. Mucus immunostaining was paired with fluorescent in situ hybridization to image and quantify the distance separating bacteria from the colonic epithelium (i.e., encroachment). Secondary outcomes included intestinal permeability, colon histopathology, and estimates of central and adipose tissue insulin resistance (Adipo-IR). RNA-sequencing was combined with weighted gene network correlation analysis to explore relationships between colonic gene expression and clinical endpoints. Microbiota encroachment did not differentiate participants with MASLD from controls. Circulating lipopolysaccharide and flagellin-specific immunoglobulins (i.e., intestinal permeability), and colon histopathology were similar across cohorts. Adipo-IR and microbiota encroachment were related to a colonic gene network regulating insulin and lipid metabolism. Pathway analysis of this network revealed genes involved in hepatic steatosis and fibrosis, suggesting a gut-adipose-liver crosstalk.
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 GSE282757_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 PRJNA1190373 and SRA study SRP547393. Searching any of these in the dataset finder brings you back here.

Study design
13 × Healthy vs 13 × Steatosis vs 13 × Fibrosis

Supports a between-group comparison across 39 samples.

How we read this: 3 replicated groups read from 39 sample titles; they account for 39 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.