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Serum Apolipoprotein H Alters Cellular Lipid Composition to Inhibit Ferroptosis

GSE237178 Mus musculus (mouse) RNA-seq (gene expression) 18 samples Submitted 2024/10/09 Platform GPL24247
At a glance

RNA-seq (gene expression) · mouse · 18 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
18 samples: 6 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.
Paper
Serum apolipoprotein H determines ferroptosis resistance by modulating cellular lipid compositionCell death & disease · 2024
Summary (written by the submitters)
Ferroptosis is an iron-dependent regulated cell death caused by the accumulation of lipid peroxidation for the uncontrolled metabolism. Serum, as the major medium for the cultured cells, resembles the contents of the extracellular fluid in vivo and provides biomolecules for cellular metabolism. The efficiency of ferroptosis induction is influenced by several factors including the extracellular environment.
Read the full summary ↓
However, the effect of serum on ferroptosis remains largely unclear. We found that cells cultured in different serums have varying efficiencies in ferroptosis induction. By purifying and identifying active serum components, we discovered that serum protein apolipoprotein H (APOH) play essential role in inhibiting ferroptosis. Moreover, APOH activates the phosphoinositide 3-kinase (PI3K)/AKT-Sterol regulatory element-binding proteins (SREBPs) pathway. SREBPs upregulate the stearoyl-CoA desaturase (SCD) increasing cellular monounsaturated fatty acid-containing phospholipids (MUFA-PLs), leading to ferroptosis inhibition. Our findings indicate that APOH, as an extracellular protein, plays an important role in cellular lipid metabolism and inhibition of ferroptosis, thus may having therapeutic applications in cancer treatment and ferroptosis-related diseases.
Published in
Serum apolipoprotein H determines ferroptosis resistance by modulating cellular lipid composition
He X, Zhang J, Huang M et al. · Cell death & disease 2024 · PMID 39353906 · doi:10.1038/s41419-024-07099-2
This dataset
Open GSE237178 in finder → Find more mouse RNA-seq datasets →
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.

Series matrix ↓
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 GSE237178_RAW.tar (it can run to tens of gigabytes).

All supplementary files ↗ Whole study · RAW.tar ↓
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.

Raw reads on ENA ↗

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 PRJNA994124. Searching any of these in the dataset finder brings you back here.

NCBI GEO page ↗ Paper (PMID 39353906) ↗
Study design
6 conditions, mostly in triplicate
MEFs-Scm-0h ×3 MEFs-S-Rcm-12h ×3 MEFs-S-Rcm-24h ×3 MEFs-Rcm-0h ×3 MEFs-R-Scm-12h ×3 MEFs-R-Scm-24h ×3

Supports a between-group comparison across 18 samples.

How we read this: 6 replicated groups read from 18 sample titles; they account for 18 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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