GEO series

Assessing the impact of loss of IRF2 on TASOR2 localization

GSE269262 Homo sapiens (human) ChIP-seq / ATAC-seq (genome binding and open chromatin) 3 samples Submitted 2024/07/15 Platform GPL24676

At a glance

ChIP-seq / ATAC-seq (genome binding and open chromatin) · human · 3 samples

What it is: ChIP-seq / ATAC-seq (genome binding and open chromatin)Where proteins bind the genome, or which regions are open and active.
Organism: Homo sapiens (human)
Samples: 3 samples
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: Competition between two HUSH complexes orchestrates the immune response to retroelement invasionMolecular cell · 2024

Summary (written by the submitters)

The HUSH complex preserves genome integrity through the epigenetic repression of invasive genetic elements. However, despite our understanding of HUSH as an obligate complex of three subunits, only loss of MPP8 or Periphilin, but not TASOR, triggers interferon signaling following derepression of endogenous retroelements. Here we resolve this paradox by characterising a second HUSH complex which shares MPP8 and Periphilin but assembles around TASOR2, an uncharacterized paralog of TASOR.

Read the full summary ↓

Whereas HUSH represses LINE-1 retroelements marked by the repressive histone modification H3K9me3, HUSH2 is recruited by the transcription factor IRF2 to repress interferon-stimulated genes. Mechanistically, HUSH-mediated retroelement silencing sequesters the limited pool of the shared subunits MPP8 and Periphilin, preventing TASOR2 from forming HUSH2 complexes and hence relieving the HUSH2-mediated repression of interferon-stimulated genes. Thus, competition between two HUSH complexes intertwines retroelement silencing with the induction of an immune response, coupling epigenetic and immune aspects of genome defense.

Published in

Competition between two HUSH complexes orchestrates the immune response to retroelement invasion

Danac JMC, Matthews RE, Gungi A et al. · Molecular cell 2024 · PMID 39013473 · doi:10.1016/j.molcel.2024.06.020

This dataset

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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 GSE269262_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: Look for peak files (.bed, .narrowPeak) and signal tracks (.bigWig) among the supplementary files; the raw reads are on ENA.

Also filed as BioProject PRJNA1120845 and SRA study SRP512234. Searching any of these in the dataset finder brings you back here.

NCBI GEO page ↗ Paper (PMID 39013473) ↗

Samples in this study

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+ 3 more — browse all 3 samples with per-sample file links →

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