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Smad4-p65 interactions drive BMP-mediated protection against inflammatory cell death [ATAC-Seq]

GSE315063 Mus musculus (mouse) ChIP-seq / ATAC-seq (genome binding and open chromatin) 10 samples Submitted 2026/02/18 Platform GPL24247
At a glance

ChIP-seq / ATAC-seq (genome binding and open chromatin) · mouse · 10 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
Mus musculus (mouse)
Samples
10 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.
Summary (written by the submitters)
Inflammation-induced osteoblast death undermines bone homeostasis and can aggravate bone-destructive diseases, yet how pro-survival BMP signaling intersects with inflammatory TNF–NF-κB signaling remains poorly defined. Here we show that BMP4 protects mouse osteoblasts from TNF-α–triggered apoptosis and cytotoxic death and that this cytoprotection requires both Smad4 and NF-κB p65.
Read the full summary ↓
Integrative epigenomic profiling (ChIP-seq/ATAC-seq/RNA-seq) reveals extensive Smad4–p65 co-occupancy and identifies Samd9l as a prominent TNF-α–inducible gene that is selectively repressed by BMP4. Two Smad4/p65-bound distal elements physically contact the Samd9l promoter, exhibit TNF-responsive enhancer activity, and are required for Samd9l induction, as demonstrated by 4C-seq and CRISPR/dCas9-based chromatin closing/opening. Functionally, Samd9l depletion attenuates TNF-α–driven caspase activation and cytotoxicity in osteoblasts and enhances BMP2-driven ectopic bone formation in vivo. Cross-species mapping suggests that the two mouse regulatory elements converge into a single promoter-proximal composite element at the human SAMD9L locus, supporting a conserved inflammatory control node. Together, these findings define a BMP4–Smad4 mechanism that reshapes NF-κB enhancer outputs to limit osteoblast death and nominate the SAMD9L regulatory circuit as a therapeutic entry point for inflammatory bone loss.
This dataset
Open GSE315063 in finder → Find more mouse ChIP / ATAC / CUT&Tag 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 GSE315063_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 PRJNA1394944 and SRA study SRP658521. Searching any of these in the dataset finder brings you back here.

NCBI GEO page ↗
Samples in this study

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