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Therapeutic vaccine induced plasma cell differentiation is defective upon persistent HBsAg stimulation [bulkRNA]

GSE230861 Mus musculus (mouse) RNA-seq (gene expression) 33 samples Submitted 2024/04/28 Platform GPL17021
At a glance

RNA-seq (gene expression) · mouse · 33 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
Mus musculus (mouse)
Samples
33 samples: 9 conditions, mostly with about 4 replicates eachGroups 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.
Summary (written by the submitters)
Background & Aims: The precise mechanism underlying the attenuation of the antigen-specific B cell response induced by therapeutic vaccination during chronic HBV infection remains unclear. The development of vaccines or strategies targeting this impediment through rational design could potentially result in significant advancements in the treatment of chronic hepatitis B.
Read the full summary ↓
Methods: A mouse model with a knock-in of a B cell receptor specific to the hepatitis B virus surface antigen was generated under the name E6F6-B. This model was utilized to investigate the temporal and spatial patterns of humoral responses induced by therapeutic vaccination in the presence of persistent antigen stimulation. Through the use of multiple transcriptome sequencing techniques, the differentiation trajectory of HBsAg-specific B cells post therapeutic vaccination during chronic hepatitis B infection was elucidated. Results: In light of the E6F6-B transfer model, a significant reduction in antibody secreting cells were observed two weeks after vaccination. Additionally, an atypical pre-plasma cell population (BLIMP-1+ IRF4+ CD40- CD138-) was identified as a consequence of persistent BCR signaling in the absence of CD40 co-stimulation. A therapeutic antibody-induced suppression of BCR signaling revitalized the HBsAg-specific B cell response.
This dataset
Open GSE230861 in finder → Find more mouse 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 GSE230861_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 PRJNA962879 and SRA study SRP435051. Searching any of these in the dataset finder brings you back here.

NCBI GEO page ↗
Study design
9 conditions, mostly with about 4 replicates each
14th day after vaccinated under persistent HB… ×4 21st day after vaccinated under persistent HB… ×4 7th day after vaccinated under persistent HBs… ×4 Negative Control, E6F6-B sorted from CD45.2+ … ×4 21st day after vaccinated under persistent HB… ×4 7th day after vaccinated under persistent HBs… ×4 28th day after vaccinated under persistent HB… ×3 14th day after vaccinated under persistent HB… ×3 +1 more

Supports a between-group comparison across 33 samples.

How we read this: 9 replicated groups read from 33 sample titles; they account for 33 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
Datasets on a similar topic

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