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CNS infiltration by Tet2-mutant peripheral myeloid cells protects from Alzheimer’s Disease

GSE295935 Homo sapiens (human) RNA-seq (gene expression) 18 samples Submitted 2025/07/16 Platform GPL24676
At a glance

RNA-seq (gene expression) · human · 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
Homo sapiens (human)
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
TET2-mutant myeloid cells mitigate Alzheimer's disease progression via CNS infiltration and enhanced phagocytosis in miceCell stem cell · 2025
Summary (written by the submitters)
Microglia play a key role in Alzheimer’s disease (AD) pathogenesis by clearing damaged cells and misfolded proteins such as b-amyloid. In a mouse transplant model of AD, we identified a population of bone marrow-derived immune cells that had infiltrated the brain and taken on microglia characteristics. The percentage of these infiltrating microglia-like cells within the brain was increased in AD mice that were transplanted with Tet2-mutant bone marrow when compared to mice transplanted with either wildtype or Dnmt3a-mutant bone marrow following LPS treatment.
Read the full summary ↓
We explored the effect of mutation of TET2 and DNMT3A in human induced microglial-like cells (iMGLs) and found that TET2-mutant iMGLs were more phagocytic and hyperinflammatory than DNMT3A-mutant or wildtype iMGLs. Bulk RNA sequencing of iMGLs confirmed the upregulation of phagocytic pathways in TET2-mutant iMGLs compared to DNMT3A-mutant or wildtype iMGLs.
Published in
TET2-mutant myeloid cells mitigate Alzheimer's disease progression via CNS infiltration and enhanced phagocytosis in mice
Matatall KA, Wathan TK, Nguyen M et al. · Cell stem cell 2025 · PMID 40609533 · doi:10.1016/j.stem.2025.06.006
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 GSE295935_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 PRJNA1256817 and SRA study SRP582133. Searching any of these in the dataset finder brings you back here.

Study design
6 conditions, mostly in triplicate
WT_Control ×3 DNMT3A_Control ×3 TET2_Control ×3 WT_LPS ×3 DNMT3A_LPS ×3 TET2_LPS ×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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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.