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New therapeutic targets in cancer: the epigenetic connection

Michel Herranz1, Manel Esteller

  • 1Cancer Epigenetics Laboratory, Molecular Pathology Program, Spanish National Cancer Centre (CNIO), Madrid, Spain.

Clinical & Translational Oncology : Official Publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico
|May 2, 2006
PubMed

Insights

Cancer is an epigenetic disease driven by DNA modifications and chromatin changes. Reversing these epigenetic alterations offers a promising new therapeutic strategy for cancer treatment and diagnosis.

Area of Science:

  • Oncology
  • Epigenetics
  • Molecular Biology

Background:

  • Cancer is fundamentally an epigenetic disease.
  • Epigenetic dysregulation involves DNA methylation, histone modifications, and chromatin remodeling.
  • These alterations impact gene expression, promoting cancer development.

Purpose of the Study:

  • To highlight the role of epigenetic modifications in cancer.
  • To explore the therapeutic potential of reversing epigenetic changes.
  • To emphasize the future diagnostic and prognostic value of epigenetic markers.

Main Methods:

  • Analysis of DNA methylation patterns.
  • Assessment of histone acetylation and methylation.
  • Chromatin remodeling studies.

Main Results:

  • Aberrant DNA methylation, particularly promoter hypermethylation, represses cancer-associated genes.
  • Histone deacetylation and methylation also contribute to transcriptional repression.
  • Reversing these epigenetic marks can restore the expression of tumor-suppressor genes.

Conclusions:

  • Epigenetic modifications are key drivers of cancer.
  • Targeting epigenetic processes represents a novel therapeutic avenue.
  • Epigenetic patterns hold significant potential for cancer diagnosis, prognosis, and personalized therapy.

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