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Therapeutic potential of human microglial transplantation in a chimeric model of CSF1R-related leukoencephalopathy

GSE253623 Homo sapiens (human) RNA-seq (gene expression) 13 samples Submitted 2024/04/24 Platform GPL25526Platform GPL24247
At a glance

RNA-seq (gene expression) · human · 13 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
13 samples: 5 × hCSF1 vs 4 × hFIRE_HPC vs 4 × hFIRE_PBSGroups 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
Therapeutic potential of human microglia transplantation in a chimeric model of CSF1R-related leukoencephalopathyNeuron · 2024
Summary (written by the submitters)
Adult-onset leukoencephalopathy with axonal spheroids and pigmented glia (ALSP) is a rare, autosomal dominant primary microgliopathy caused by mutations in colony-stimulating factor 1 receptor (CSF1R). CSF1R signaling is necessary for microglial differentiation and survival. As a result, ALSP patient brains have fewer microglia and exhibit an array of neuropathologies including axonal spheroids, white matter abnormalities, reactive astrocytosis, and brain calcification.
Read the full summary ↓
To explore the therapeutic potential of transplanting healthy human microglia, we generated ‘hFIRE’ mice, a xenotolerant mouse model of ALSP that lacks murine microglia. Remarkably, transplantation of induced pluripotent stem cell (iPSC)-derived microglial progenitors enabled rapid CNS-wide microglial engraftment, restoring a homeostatic microglial gene signature and preventing diverse ALSP-related neuropathologies. To further examine a potential autologous approach, ALSP-patient derived iPSCs were CRISPR-corrected, rescuing mutation-induced deficits in microglial proliferation, enabling brain-wide microglial engraftment, and reducing pre-existing spheroid, astroglial, and calcification pathologies within just 6 weeks. Together with the accompanying study by Munro and Colleagues, these results demonstrate the utility of FIRE mice to model diverse ALSP neuropathologies and provide initial evidence that iPSC-microglia could be further developed as a promising new therapeutic strategy for ALSP and perhaps other microglia-associated neurological disorders.
Published in
Therapeutic potential of human microglia transplantation in a chimeric model of CSF1R-related leukoencephalopathy
Chadarevian JP, Hasselmann J, Lahian A et al. · Neuron 2024 · PMID 38897209 · doi:10.1016/j.neuron.2024.05.023
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 GSE253623_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 PRJNA1066365 and SRA study SRP484622. Searching any of these in the dataset finder brings you back here.

Study design
5 × hCSF1 vs 4 × hFIRE_HPC vs 4 × hFIRE_PBS

Supports a between-group comparison across 13 samples.

How we read this: 3 replicated groups read from 13 sample titles; they account for 13 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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