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RNA Sequencing of dendritic cells treated with glycan-costumed virus-like particles

GSE251818 Homo sapiens (human) RNA-seq (gene expression) 15 samples Submitted 2024/09/06 Platform GPL18573
At a glance

RNA-seq (gene expression) · human · 15 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
15 samples: 5 × hmoDC, unstimulated, 6 h, vs 5 × hmoDC, VLP-PE-OvaI/II-treated, 6 h, vs 5 × hmoDC, VLP-Man-OvaI/II-treated, 6 h,Groups 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
Carbohydrate-Lectin Interactions Reprogram Dendritic Cells to Promote Type 1 Anti-Tumor ImmunityACS nano · 2024
Summary (written by the submitters)
We engineered a glycan-costumed virus-like particle (VLP) vaccine that delivers programmable peptide antigens to induce tumor-specific cellular immunity in vivo. VLPs encapsulating TLR7 agonists were decorated with a synthetic mannose-derived ligand (VLP-Man-OvaI/II) that selectively engages the lectin DC-SIGN. Lectin-TLR7 dual engagement induced robust DC activation and type 1 cellular immunity, whereas VLPs lacking this key DC-SIGN ligand (VLP-PE-OvaI/II) failed to promote DC-mediated cellular responses.
Read the full summary ↓
We performed bulk RNA-seq experiments on moDCs treated with VLP-Man-OvaI/II and VLP-PE-OvaI/II or unstimulated control moDCs. A total of 486 genes were differentially expressed after treatment with VLP-Man-OvaI/II vs. VLP-PE-OvaI/II (log2FC >1.5 and p<0.05). The significantly upregulated genes included CXCL1, CXCL5, ISG15, IL6, CCL4, ISG20, and SOCS3, all of which are implicated in the TLR7 downstream signaling pathway, suggesting a higher extent of TLR7 activation with the VLP-Man-OvaI/II. Gene set enrichment analysis (GSEA) between VLP-Man-OvaI/II- and VLP-PE-OvaI/II-treated moDCs revealed that hallmark DC activation pathways were also upregulated in VLP-Man-OvaI/II-treated DCs, including pathways related to IFN-a, IFN-g, and TNF-a signaling via nuclear factor-κB (NF-kB). These data give insight into how lectin binding with glycan-costumed VLPs can be employed to reprogram immunity.
Published in
Carbohydrate-Lectin Interactions Reprogram Dendritic Cells to Promote Type 1 Anti-Tumor Immunity
Lensch V, Gabba A, Hincapie R et al. · ACS nano 2024 · PMID 39283240 · doi:10.1021/acsnano.4c07360
This dataset
Open GSE251818 in finder → Find more human RNA-seq datasets →
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 GSE251818_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: 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 PRJNA1055489 and SRA study SRP479566. Searching any of these in the dataset finder brings you back here.

NCBI GEO page ↗ Paper (PMID 39283240) ↗
Study design
5 × hmoDC, unstimulated, 6 h, vs 5 × hmoDC, VLP-PE-OvaI/II-treated, 6 h, vs 5 × hmoDC, VLP-Man-OvaI/II-treated, 6 h,

Supports a between-group comparison across 15 samples.

How we read this: 3 replicated groups read from 15 sample titles; they account for 15 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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