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The SWI/SNF genetic blockade: effects in cell differentiation, cancer and developmental diseases

O A Romero1, M Sanchez-Cespedes1

  • 1Genes and Cancer Group, Cancer Epigenetics and Biology Program-PEBC, Bellvitge Biomedical Research Institute-IDIBELL, Hospitalet de Llobregat, Barcelona, Spain.

Oncogene
|June 12, 2013
PubMed

Insights

Alterations in SWI/SNF complex genes are common in cancer, disrupting chromatin remodeling. This disruption impairs cell differentiation and promotes cancer growth by affecting nuclear receptor signaling.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Cancer genetics research reveals frequent alterations in genes encoding SWI/SNF complex components.
  • These genetic alterations highlight the critical role of chromatin remodeling in cancer development.

Purpose of the Study:

  • To provide an overview of gene alterations in chromatin-remodeling factors.
  • To explore the relationship between these alterations, cancer, and human developmental diseases.
  • To examine the functional consequences of SWI/SNF complex inactivation.

Main Methods:

  • Literature review and synthesis of current knowledge on SWI/SNF complex gene alterations.
  • Analysis of functional repercussions, focusing on nuclear receptor signaling pathways.
  • Correlation of genetic changes with cancer and developmental disease phenotypes.

Main Results:

  • Widespread gene alterations in SWI/SNF complex components are observed in various cancers.
  • Inactivation of the SWI/SNF complex disrupts chromatin remodeling.
  • Impaired SWI/SNF function affects cellular response to nuclear receptors, hindering differentiation and promoting uncontrolled cell growth.

Conclusions:

  • Gene alterations in chromatin-remodeling factors, particularly the SWI/SNF complex, are significant drivers of cancer.
  • Dysfunctional chromatin remodeling contributes to developmental diseases.
  • Targeting SWI/SNF pathways may offer therapeutic strategies for cancer and related disorders.

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