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Longitudinal single-cell transcriptomics of monocytes, Tfh and gd Tcells following a control human malaria infection.

GSE253661 Homo sapiens (human) Single-cell RNA-seq 16 samples Submitted 2025/10/05 Platform GPL21697
At a glance

Single-cell RNA-seq · human · 16 samples

What it is
Single-cell RNA-seqGene activity measured in thousands of individual cells, so cell types can be told apart.
Organism
Homo sapiens (human)
Samples
16 samples: 16 samples, each with a distinct title — no replicated groupsGroups 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
Tfh2 and a subset of Tfh1 cells associate with antibody-mediated immunity to malariaJCI insight · 2025
Summary (written by the submitters)
Malaria infection drives tolerogenic cell responses which protects from high inflammation and immunopathogenesis but reduces parasite control and adaptive immunity. Here, we comprehensively map responses across innate and adaptive cells. The results of this Controlled Human Malaria Infection study are presented in three independent publications.
Read the full summary ↓
Blood samples from 4 donors were collected prior to infection (day 0), at peak infection (day 8) and 14 or 15 and 27-36 days (end of study, EOS) after inoculation (in analyses these time points are grouped as 0, 8, 14/15 and EOS). Participants were healthy malaria naïve adults with no prior exposure to malaria or residence in malaria-endemic regions. For trials NCT02867059, NCT02783833, NCT02431637 all participants received the same study drug (no-randomization) and 3D7-strain parasites. For NCT02431650, participants were randomized 1:1 to receive study drug or control and 3D7-strain parasites. Samples used here were from samples opportunistically collected from volunteers who consented to donate blood for immunological studies within the parent clinical trial. As such, no sample size estimation was performed for this immunology study.
Published in
Tfh2 and a subset of Tfh1 cells associate with antibody-mediated immunity to malaria
Soon MS, Oyong DA, Dooley NL et al. · JCI insight 2025 · PMID 41118256 · doi:10.1172/jci.insight.196828
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 GSE253661_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 PRJNA1066724 and SRA study SRP484709. Searching any of these in the dataset finder brings you back here.

Study design
16 samples, each with a distinct title — no replicated groups

Any grouping that defines a comparison lives in the sample characteristics, which GEO records separately from the titles.

How we read this: Read from 16 sample titles: 16 distinct titles with little repetition. 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.