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Suppressing Aberrant Hedgehog Pathway and Overcoming Resistance to Smoothened Antagonists via Targeting Super-enhancer-driven Transcriptional Dependencies [ChIP-seq]

GSE266386 Mus musculus (mouse) ChIP-seq / ATAC-seq (genome binding and open chromatin) 14 samples Submitted 2024/05/16 Platform GPL24676Platform GPL24247
At a glance

ChIP-seq / ATAC-seq (genome binding and open chromatin) · mouse · 14 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
14 samples: 14 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
Targeting Super-Enhancer-Driven Transcriptional Dependencies Suppresses Aberrant Hedgehog Pathway Activation and Overcomes Smoothened Inhibitor ResistanceCancer research · 2024
Summary (written by the submitters)
Aberrant activation of Hedgehog (Hh) signaling pathway plays important roles in both oncogenesis and targeted therapy of many cancers. The clinical application of FDA-approved Hh-targeted Smoothened inhibitor (SMOi) drugs is hindered due to the emergence of various primary or acquired drug resistance, indicating the need of novel anti-Hh therapies.
Read the full summary ↓
Our previous studies demonstrate that epigenetic/transcriptional targeted therapies represent a promising direction for anti-Hh drug development. In this study, we identified CDK9 and CDK12, two transcription elongation regulators, as novel therapeutic targets for antagonizing the aberrant Hh pathway and overcoming SMOi resistance. CDK9 inhibition and CDK12 inhibition exhibited similarly potent anti-Hh activities when treating various SMOi responsive or resistant Hh-driven tumor models as previously reported BET inhibition or CDK7 inhibition. We also utilized SHH-subtype medulloblastoma (SHH-MB) as the representative Hh-driven cancer model to perform Super-enhancer (SE) analysis and elucidate the crucial roles of SE in Hh-driven oncogenesis and above-mentioned anti-Hh epigenetic/transcriptional targeted therapies. Furthermore, we identified IRS1, encoding a critical component and cytoplasmic adaptor protein of the IGF pathway, as an oncogenic Hh-driven SE target gene and effective therapeutic target of multiple Hh-driven tumor models, including the SMOi-resistant ones. Collectively, our study demonstrates that the SE-driven transcriptional dependencies represent promising therapeutic vulnerabilities for suppressing the aberrant Hh pathway and overcoming the SMOi resistance. As CDK9 inhibitor and IRS inhibitor drugs have already entered human clinical trials for cancer treatment, our study provides comprehensive preclinical support for expanding their trials to Hh-driven cancers in near future.
Published in
Targeting Super-Enhancer-Driven Transcriptional Dependencies Suppresses Aberrant Hedgehog Pathway Activation and Overcomes Smoothened Inhibitor Resistance
Sui Y, Wang T, Mei Y et al. · Cancer research 2024 · PMID 38775809 · doi:10.1158/0008-5472.CAN-23-3306
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 GSE266386_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: Look for peak files (.bed, .narrowPeak) and signal tracks (.bigWig) among the supplementary files; the raw reads are on ENA.

Also filed as BioProject PRJNA1106888 and SRA study SRP505250. Searching any of these in the dataset finder brings you back here.

Study design
14 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 14 sample titles: 14 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
Datasets on a similar topic

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