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FGF1-FGFR2 axis regulated by nuclear receptor RORγ represents an effective strategy in intrahepatic cholangiocarcinoma

GSE306923 Homo sapiens (human) RNA-seq (gene expression) 2 samples Submitted 2025/09/03 Platform GPL21290
At a glance

RNA-seq (gene expression) · human · 2 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
CholangiocarcinomaThis series is part of our curated briefing on it.
Samples
2 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
FGF1-FGFR2 axis regulated by nuclear receptor RORγ represents an effective strategy in intrahepatic cholangiocarcinomaCell death discovery · 2025
Summary (written by the submitters)
Intrahepatic cholangiocarcinoma (iCCA) is a highly aggressive malignancy with limited therapeutic options. Although targeted therapies like pemigatinib provide partial clinical benefits, acquired resistance remains a significant challenge. Through integrative bioinformatics analysis of public datasets and immunohistochemical validation, we identified the retinoid-related orphan receptor gamma (RORγ) as markedly upregulated in iCCA.
Read the full summary ↓
Genetic silencing and pharmacological inhibition of RORγ (GSK805/XY101) suppressed proliferation, induced apoptosis in vitro, and significantly reduced xenograft tumor growth in vivo. Mechanistically, RORγ promoted fibroblast growth factor receptor 2 (FGFR2) signaling via two complementary mechanisms: direct transcriptional activation of FGFR2 and induction of fibroblast growth factor 1 (FGF1) expression and secretion, which in turn activated FGFR2. Inhibition of RORγ markedly decreased FGF1 levels in conditioned media, whereas exogenous FGF1 restored tumor growth. Notably, RORγ antagonists synergized with pemigatinib to overcome resistance in pemigatinib-refractory models. Collectively, these findings identify the RORγ-FGF1-FGFR2 axis as a critical oncogenic driver in iCCA and highlight RORγ inhibition as a promising therapeutic strategy to suppress tumor progression and enhance sensitivity to FGFR inhibitors.
Published in
FGF1-FGFR2 axis regulated by nuclear receptor RORγ represents an effective strategy in intrahepatic cholangiocarcinoma
Gu Z, Wang X, Wang H et al. · Cell death discovery 2025 · PMID 41430037 · doi:10.1038/s41420-025-02844-8
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 GSE306923_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 PRJNA1313933 and SRA study SRP616194. Searching any of these in the dataset finder brings you back here.

Samples in this study

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