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Calcineurin inhibition rescues alloantigen-specific central memory T cell subsets and promotes chronic GVHD

GSE255545 Mus musculus (mouse) Single-cell RNA-seq 3 samples Submitted 2024/04/30 Platform GPL30172
At a glance

Single-cell RNA-seq · mouse · 3 samples

What it is
Single-cell RNA-seqGene activity measured in thousands of individual cells, so cell types can be told apart. Read from the summary: GEO's own type field only says 'expression profiling by sequencing', so confirm it in the paper.
Organism
Mus musculus (mouse)
Samples
3 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
Calcineurin inhibition rescues alloantigen-specific central memory T cell subsets that promote chronic GVHDThe Journal of clinical investigation · 2024
Summary (written by the submitters)
Calcineurin inhibitors (CNIs) constitute the backbone of modern acute graft-versus-host disease (aGVHD) prophylaxis regimens but have limited efficacy in the prevention and treatment of chronic GVHD (cGVHD). We investigated the effect of CNIs on immune tolerance after stem cell transplantation with discovery-based single cell gene expression and T-cell receptor (TCR) assays of clonal immunity in tandem with traditional protein-based approaches and preclinical modeling.
Read the full summary ↓
While CNIs suppress the clonal expansion in CD8+ T-cells, alloreactive CD4+ T-cell clusters preferentially expanded during GVHD. Moreover, CNIs mediated reversible dose-dependent suppression of T cell activation and all stages of donor T-cell exhaustion but favored the differentiation to central memory T-cells. Critically, CNIs promoted the expansion of both polyclonal and TCR-specific alloreactive central memory CD4+ T-cells with high self-renewal capacity that mediated cGVHD following drug withdrawal. In contrast to post-transplant cyclophosphamide (PT-Cy), CSA was ineffective in eliminating IL-17A-secreting alloreactive T cell clones that mediate cGVHD. Collectively, we show that although CNIs attenuate aGVHD, they paradoxically rescue alloantigen-specific central memory T-cells, especially within the CD4+ compartment in lymphoid and GVHD target tissues, thus predisposing to cGVHD. These data provide further evidence to caution against CNI-based immune suppression without concurrent approaches that eliminate alloreactive T-cell clones.
Published in
Calcineurin inhibition rescues alloantigen-specific central memory T cell subsets that promote chronic GVHD
Wang Y, Ullah MA, Waltner OG et al. · The Journal of clinical investigation 2024 · PMID 38828727 · doi:10.1172/JCI170125
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 GSE255545_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: Single-cell studies usually ship their counts as 10x files (matrix.mtx, barcodes.tsv, features.tsv), an .h5 file, or an .rds / .h5ad object that Seurat or Scanpy can open. Look for those among the supplementary files.

Also filed as BioProject PRJNA1075330 and SRA study SRP489252. Searching any of these in the dataset finder brings you back here.

Samples in this study

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