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SWI/SNF complexes and cancers.

Liyuan Wang1, Jinglong Tang2

  • 1The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Department of Oncology and Hematology, Jinan 250000, Shandong Province, China.

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|April 9, 2023
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Summary
This summary is machine-generated.

Epigenetic regulation, including chromatin remodeling, influences gene expression without DNA changes. Mutations in the SWI/SNF complex are common in cancers and may drive tumor development.

Keywords:
CancersSWI/SNF complexesStructure and biochemistrySubunit mutant

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Area of Science:

  • Molecular Biology
  • Genetics
  • Epigenetics

Background:

  • Epigenetics involves gene expression changes without altering DNA sequence.
  • Key mechanisms include DNA methylation, histone modification, and chromatin remodeling.
  • Chromatin remodeling affects gene transcription by altering DNA accessibility.

Purpose of the Study:

  • To investigate the role of ATP-dependent chromatin remodeling complexes in gene regulation.
  • To explore the prevalence and impact of SWI/SNF complex mutations in cancer.

Main Methods:

  • Review of epigenetic mechanisms and chromatin remodeling.
  • Analysis of next-generation sequencing data identifying SWI/SNF mutations.
  • Examination of SWI/SNF's function in altering chromatin structure and gene transcription.

Main Results:

  • Four types of human ATP-dependent chromatin remodeling complexes identified: SWI/SNF, ISWI, INO80, and NURD/MI2/CHD.
  • SWI/SNF mutations are frequently found in various cancers and cell lines.
  • SWI/SNF complex mutations are implicated in approximately 20% of all cancers.

Conclusions:

  • SWI/SNF complex mutations are prevalent in cancer.
  • These mutations may play a significant role in tumorigenesis and cancer progression.
  • Targeting SWI/SNF may offer therapeutic strategies for cancer treatment.