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USP7 inhibitors disrupt EBNA1 interactome and EBV tumorigenesis

GSE284839 Homo sapiens (human) RNA-seq (gene expression) 12 samples Submitted 2025/01/31 Platform GPL34284
At a glance

RNA-seq (gene expression) · human · 12 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
12 samples: 3 × SNU719_DMSO vs 3 × SNU719_GNE vs 3 × AGS_GNE vs 2 × AGS_DMSOGroups 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)
Epstein-Barr virus (EBV) is a ubiquitous human ɣ-herpesvirus implicated in various malignancies, including Burkitt’s lymphoma and gastric carcinomas. In most EBV-associated cancers, the viral genome is maintained as an extrachromosomal episome by the EBV nuclear antigen-1 (EBNA1). EBNA1 is considered to be a highly stable protein that interacts with the ubiquitin-specific protease 7 (USP7), but the precise role of USP7 in controlling EBNA1 stability and function is not fully understood.
Read the full summary ↓
Here, we show that pharmacological inhibitors and small interfering RNA (siRNA) targeting USP7 reduce EBNA1 protein levels. The USP7 inhibitor GNE6776 altered EBNA1 protein interactions, including disrupting its ability to bind to USP7. GNE6776 also inhibited EBNA1 binding to EBV oriP DNA and reduced viral episome copy number. GNE6776 selectively inhibited EBV+ gastric and lymphoid cell proliferation in cell culture and slowed EBV+ tumor growth in mouse xenograft models. Transcriptomic studies revealed that USP7 inhibition differentially affected EBV+ cancer cells compared to EBV- cells with a significant effect on chromosome segregation and mitotic cell division pathways. Our findings indicate that USP7 inhibition perturbs EBNA1 stability and function and can be exploited to target EBV+ cancer cells selectively.
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 GSE284839_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 PRJNA1200707 and SRA study SRP552742. Searching any of these in the dataset finder brings you back here.

Study design
3 × SNU719_DMSO vs 3 × SNU719_GNE vs 3 × AGS_GNE vs 2 × AGS_DMSO

Supports a between-group comparison across 11 samples.

How we read this: 4 replicated groups read from 12 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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