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Approaches to target the genome and its epigenome in cancer

Nadine Chapman-Rothe1, Robert Brown

  • 1Department of Oncology, Hammersmith Hospital Campus, Imperial College London, UK. nadine.rothe04@imperial.ac.uk

Future Medicinal Chemistry
|March 24, 2011
PubMed

Insights

Epigenetic therapies offer new cancer treatment avenues by targeting aberrant epigenetic codes. Improving drug specificity is key for broader application, especially in solid tumors.

Area of Science:

  • Oncology
  • Epigenetics
  • Cancer Biology

Background:

  • The epigenetic landscape governs cell fate during development.
  • Cancer involves aberrant epigenetic code regulation, including DNA methylation, histone modification, and microRNAs.
  • Current epigenetic therapies like HDAC and DNMT inhibitors show promise but face limitations.

Purpose of the Study:

  • To review the role of epigenetic dysregulation in cancer.
  • To discuss challenges and strategies for developing more specific epigenetic cancer therapies.
  • To examine future directions in targeting epigenetic regulators.

Main Methods:

  • Review of current epigenetic cancer therapies and their limitations.
  • Discussion of strategies to enhance drug specificity and delivery.
  • Examination of emerging approaches like RNAi, polyamides, and zinc fingers.

Main Results:

  • Aberrant epigenetic regulation is a hallmark of all tumor types.
  • Existing epigenetic drugs are effective in some hematological malignancies but limited in solid tumors.
  • Lack of specificity and delivery challenges hinder broader application of current therapies.

Conclusions:

  • Targeting the aberrant epigenetic landscape in cancer is crucial for therapeutic development.
  • Overcoming specificity and delivery challenges is essential for effective epigenetic cancer therapies.
  • Future strategies involve advanced molecular tools and precise target validation for improved treatment outcomes.

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