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AAV Assembled Capsids Are Produced in Cells Blocked fromFrom Cell Cycle Progression

GSE276141 Homo sapiens (human) RNA-seq (gene expression) 11 samples Submitted 2025/11/21 Platform GPL18573
At a glance

RNA-seq (gene expression) · human · 11 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
11 samples: 3 × AAV24-GFPpAFn vs 3 × AAV24-GFPpAFp vs 3 × Mock-24-GFPp vs 2 × 293SF-fixedGroups 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
AAV Assembled Capsids Are Produced in Cells Blocked From Cell Cycle ProgressionBiotechnology and bioengineering · 2026
Summary (written by the submitters)
Adeno-associated virus (AAV) is a promising delivery system for gene therapy. However, current manufacturing of AAV suffers from very low yields compared to other biotherapeutics. The AAV dose per patient ranges between 1011and 1015 viral genomes (vg), requiring an average of 10 to 30 L production/dose. As a consequence, production costs are prohibitive for most indications.
Read the full summary ↓
Our recent studies revealed that only 10% of the HEK293 cells that have received the AAV encoding DNA produce assembled AAV capsids. This observation prompts the question: Why would cells that have been successfully transfected, be unable to produce AAV. To answer this question, we undertook a detailed study to characterize the two sub-populations from the same transfection, the cells that were making assembled capsids and those that were not. We found that the two populations had distinct cell cycle profiles, with a block in cell cycle progression characterizing the producer population. RNA-seq analysis of the two populations reveals differences in the molecular pathways impacted and provides a basis for making changes to improve productivity.
Published in
AAV Assembled Capsids Are Produced in Cells Blocked From Cell Cycle Progression
Mullick A, Morasse A, Leclerc M et al. · Biotechnology and bioengineering 2026 · PMID 41254987 · doi:10.1002/bit.70111
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 GSE276141_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 PRJNA1155159 and SRA study SRP529908. Searching any of these in the dataset finder brings you back here.

Study design
3 × AAV24-GFPpAFn vs 3 × AAV24-GFPpAFp vs 3 × Mock-24-GFPp vs 2 × 293SF-fixed

Supports a between-group comparison across 11 samples.

How we read this: 4 replicated groups read from 11 sample titles; they account for 11 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.