GEO series

CAR-NK cells derived from cord blood predominantly originated from CD56-CD7+CD34-HLA-DR- lineage markers- NK progenitor cells

GSE253575 Homo sapiens (human) Single-cell RNA-seq 2 samples Submitted 2024/12/18 Platform GPL24676

At a glance

Single-cell RNA-seq · human · 2 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: Homo sapiens (human)
Samples: 2 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: CAR-NK cells derived from cord blood originate mainly from CD56(-)CD7(+)CD34(-)HLA-DR(-)Lin(-) NK progenitor cellsMolecular therapy. Methods & clinical development · 2024

Summary (written by the submitters)

Cord blood (CB)-derived chimeric antigen receptor (CAR)-natural killer (NK) cells targeting CD19 has been shown to be effective against B cell malignancies. While human CD56+ NK cells can be expanded in vitro, it is also known that NK cells can be differentiated from hematopoietic progenitor cells. It is still unclear whether CAR-NK cells are originated from mature NK cells or NK progenitor cells in CB.

Read the full summary ↓

Here we found that CAR-NK cells are predominantly derived from the CD56- NK progenitor cells. We first found that substantial numbers of CD19 CAR-NK cells were produced from the CD56- CB mononuclear cells after in vitro culture for two weeks. Single cell RNAseq analysis of CD56-CD3-CD14-CD19- CB mononuclear cells revealed that those cells were subdivided into three subpopulations based on the expression of CD34 and HLA-DR. NK cells were predominantly produced from the CD34-HLA-DR- cells. In addition, in the CD34-HLA-DR- cells, only CD7+ cells could differentiate into NK cells. These results indicate that CD56-CD7+CD34- HLA-DR-lineage marker (Lin)- cells are the major origin of human CB-derived CAR-NK cells, indicating that we need to develop methods to enhance the quality and quantity of NK cells produced from these NK cell progenitor cells.

Published in

CAR-NK cells derived from cord blood originate mainly from CD56(-)CD7(+)CD34(-)HLA-DR(-)Lin(-) NK progenitor cells

Wibowo T, Kogue Y, Ikeda S et al. · Molecular therapy. Methods & clinical development 2024 · PMID 39659759 · doi:10.1016/j.omtm.2024.101374

This dataset

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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 GSE253575_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: 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 PRJNA1066309 and SRA study SRP484541. Searching any of these in the dataset finder brings you back here.

NCBI GEO page ↗ Paper (PMID 39659759) ↗

Samples in this study

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+ 2 more — browse all 2 samples with per-sample file links →

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