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Epigenetic aberrations during oncogenesis

Maria Hatziapostolou1, Dimitrios Iliopoulos

  • 1Department of Cancer Immunology & AIDS, Dana-Farber Cancer Institute, Boston, MA 02115, USA.

Cellular and Molecular Life Sciences : CMLS
|January 21, 2011
PubMed

Insights

Cancer cells exhibit altered epigenetic patterns, including DNA methylation and histone modifications. Understanding the interplay between genetics, epigenetics, and microRNAs is crucial for developing targeted cancer therapies.

Area of Science:

  • Oncology
  • Epigenetics
  • Molecular Biology

Background:

  • Cancer cells display a distinct epigenetic landscape, including global hypomethylation and tumor suppressor gene hypermethylation.
  • MicroRNA expression is epigenetically controlled, and microRNAs can influence epigenetic regulators.
  • The dynamic nature of epigenetic modifications enables the development of epigenetic-altering drugs.

Purpose of the Study:

  • To explore the intricate relationship between genetics, epigenetics, and microRNAs in cancer.
  • To identify therapeutic targets for correcting gene expression aberrations in tumorigenesis.

Main Methods:

  • Review of current literature on cancer epigenetics and microRNA regulation.
  • Analysis of epigenetic mechanisms in tumor suppressor gene regulation.
  • Investigation of microRNA's role in modulating the epigenetic machinery.

Main Results:

  • Aberrant epigenetic modifications are hallmarks of cancer cells.
  • MicroRNAs are integral components of the epigenetic regulatory network in cancer.
  • Epigenetic reversibility offers a window for therapeutic intervention.

Conclusions:

  • A comprehensive understanding of the genetics-epigenetics-microRNA axis is essential for effective cancer treatment.
  • Targeting the epigenetic machinery offers a promising strategy for cancer therapy.

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