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Gene expression clusters change and molecular correlation via STING pathway between orbital MALT lymphoma and orbital IgG4-related eye diseases

GSE276421 Homo sapiens (human) RNA-seq (gene expression) 20 samples Submitted 2025/09/01 Platform GPL24676
At a glance

RNA-seq (gene expression) · human · 20 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)
Topic
Marginal zone lymphomaThis series is part of our curated briefing on it.
Samples
20 samples: 11 × IgG vs 9 × MALTGroups 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)
Purpose: MALT lymphoma orbital region and IgG4-related eye disease (IGG4ROD) account for the majority of mass lesions in the orbital region. They may show similar shadows on radiological images, and many cases are difficult to differentiate clinically. We investigated what kind of gene expression cluster(RNA-seq) and molecular differences are responsible for two diseases.
Read the full summary ↓
Methods: Total RNA was extracted from fresh tissues in 20 cases which were histopathologically diagnosed from 20XX to 20XX, and a sequence library was created. Next-generation sequencing analysis (RNA-seq, NovaSeq6000) was performed to compare gene expression between the two groups, and principal component analysis and cluster hierarchy analysis were performed. Results: In principal component analysis, orbital MALT lymphoma and IgG4ROD were clustered in component 2in PCA analysis. Clear cluster differences were observed, except for one case that appeared to be IgG4-producing MALT lymphoma. In addition, cluster analysis showed that one case that appeared to be IgG4-producing MALT lymphoma was located just between the IGG4ROD and MALT lymphoma clusters. Furthermore, in a comparison of up regulator analysis between IgG4ROD and MALT lymphoma, 582 genes were identified as candidates(p<0.01). Pathway analysis of MALT lymphoma suggested that the Sting pathway be activated. Sting pathway-down-stream analysis were significant eight gene expression changes)P<0.05). In addition, STING immunohistochmical analysis were detected different formed staining pattern using quantitative evaluation in IgG4ROD and MALT(P<0.01). Conclusion: MALT lymphoma orbital and IgG4-related eye disease (IGG4ROD) can be divided into two clusters of gene expression. The Sting pathway may be a important pathway specific to orbital MALT lymphoma compared with orbital IgG4ROD.
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 GSE276421_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 PRJNA1157331 and SRA study SRP530774. Searching any of these in the dataset finder brings you back here.

Study design
11 × IgG vs 9 × MALT

Supports a between-group comparison across 20 samples.

How we read this: 2 replicated groups read from 20 sample titles; they account for 20 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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