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Updated: Dec 13, 2025

An Integrated Platform for Genome-wide Mapping of Chromatin States Using High-throughput ChIP-sequencing in Tumor Tissues
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An Integrated Platform for Genome-wide Mapping of Chromatin States Using High-throughput ChIP-sequencing in Tumor Tissues

Published on: April 5, 2018

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NuRD subunit CHD4 regulates super-enhancer accessibility in rhabdomyosarcoma and represents a general tumor

Joana G Marques1, Berkley E Gryder2, Blaz Pavlovic1

  • 1Department of Oncology and Children's Research Center, University Children's Hospital, Zurich, Switzerland.

Elife
|August 4, 2020
PubMed

Insights

Chromatin remodeler CHD4 is crucial for fusion-positive rhabdomyosarcoma (FP-RMS) by regulating super-enhancers. This study reveals CHD4 as a broad cancer vulnerability and potential therapeutic target.

Area of Science:

  • Molecular Biology
  • Cancer Biology
  • Epigenetics

Background:

  • The NuRD complex subunit CHD4 is vital for fusion-positive rhabdomyosarcoma (FP-RMS) survival.
  • The precise mechanisms of this dependency are not fully understood.

Purpose of the Study:

  • To elucidate the role of CHD4 in FP-RMS pathogenesis.
  • To identify CHD4 as a potential therapeutic target in cancer.

Main Methods:

  • Utilized a NuRD-specific CRISPR screen to assess sensitivity to NuRD members in FP-RMS.
  • Investigated the localization of CHD4 to super-enhancers and its effect on transcription factor binding.
  • Analyzed genome-wide cancer dependency databases to identify general cancer vulnerabilities.

Main Results:

  • FP-RMS exhibits particular sensitivity to CHD4 depletion among NuRD members.
  • CHD4 facilitates PAX3-FOXO1 binding to super-enhancers, enabling oncogenic transcription.
  • CHD4 depletion disrupts histone acetylation patterns and impedes RNA Polymerase II initiation.
  • CHD4 is identified as a general cancer vulnerability across various cancer types.

Conclusions:

  • CHD4 acts as a positive regulator of transcription and super-enhancer accessibility, contrary to its classical role as a repressor.
  • CHD4 is an unexpected, broad tumor susceptibility factor and a promising therapeutic target for cancer treatment.
Keywords:
CHD4DNA accessibilityNuRDcancer biologychromatin remodelinghumanrhabdomyosarcomasuper-enhancer

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