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The Role of PD-1/PD-L1 in Overshooting Osteoclastogenesis in Periprosthetic Joint Infections

GSE295042 Homo sapiens (human) RNA-seq (gene expression) 12 samples Submitted 2025/04/27 Platform GPL11154
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: 12 samples, each with a distinct title — no replicated groupsGroups 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.
Paper
The role of PD-1/PD-L1 in overshooting osteoclastogenesis in periprosthetic joint infectionsCommunications biology · 2025
Summary (written by the submitters)
Periprosthetic joint infection (PJI) is a critical complication following arthroplasty, leading to increased prosthesis failure rates post-treatment. This study explores the role of PD-1/PD-L1 signaling in osteoclastogenesis associated with PJI. Peripheral blood, bone, and bone marrow of 65 patients (20 primary osteoarthritis, 21 PJI septic explantation, 24 PJI prosthesis reimplantation) were analyzed for their bone microstructure and cell composition.
Read the full summary ↓
Immunocytochemistry, RT-qPCR, flow cytometry, bone resorption assay, ELISA, and RNA sequencing were performed to investigate the effects of PD-1 stimulation and blockade on osteoclast formation. PD-1 positive monocytes and sPD-L1 levels were elevated in PJI. Stimulation with PD-L1 enhanced osteoclastogenesis, while PD-1 inhibitor nivolumab reversed these effects. Impact of PD-1 and nivolumab was significantly more pronounced in PJI compared to the control. Our study suggests PD-1/PD-L1 signaling plays a significant role in PJI-related osteoclastogenesis. These findings highlight the potential of PD-1 inhibitors as a novel approach to manage this challenging clinical condition.
Published in
The role of PD-1/PD-L1 in overshooting osteoclastogenesis in periprosthetic joint infections
Ren Y, Jahn D, Donner S et al. · Communications biology 2025 · PMID 40404949 · doi:10.1038/s42003-025-08143-3
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 GSE295042_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 PRJNA1252699 and SRA study SRP579695. Searching any of these in the dataset finder brings you back here.

Study design
12 samples, each with a distinct title — no replicated groups

Any grouping that defines a comparison lives in the sample characteristics, which GEO records separately from the titles.

How we read this: Read from 12 sample titles: 12 distinct titles with little repetition. 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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Metadata from NCBI GEO, cached and refreshed periodically — the NCBI page above is authoritative. Downloads link straight to NCBI/ENA; nothing is proxied through BioTransfer.