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Re-Exploring the Anthracycline Chemical Space for Better Anti-Cancer Compounds

Merle A van Gelder1, Sabina Y van der Zanden1, Merijn B L Vriends2

  • 1Department of Cell and Chemical Biology, ONCODE Institute, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, The Netherlands.

Journal of Medicinal Chemistry
|August 10, 2023
PubMed

Insights

Anthracycline anti-cancer drugs cause DNA and chromatin damage, leading to side effects. This study explores structural variations to design potent, better-tolerated anthracyclines for cancer treatment.

Area of Science:

  • Oncology
  • Medicinal Chemistry
  • Molecular Biology

Background:

  • Anthracyclines are vital anti-cancer drugs inducing DNA double-strand breaks.
  • Chromatin damage is increasingly recognized as a key mechanism of anthracycline anti-cancer activity.
  • The dual action of DNA and chromatin damage contributes to anthracycline-related side effects.

Purpose of the Study:

  • To synthesize and evaluate a diverse library of anthracyclines with modifications in sugar moiety, amine alkylation, saccharide chain, and aglycone.
  • To investigate the structure-activity relationship of these novel anthracyclines.
  • To identify potent anthracycline analogs with potentially improved patient tolerability.

Main Methods:

  • Synthesis of a diverse set of structurally varied anthracyclines.
  • In vitro cytotoxicity assessment in human cancer cell lines.
  • Evaluation of the capacity to induce DNA and chromatin damage.

Main Results:

  • A comprehensive dataset correlating anthracycline structure with biological activity was generated.
  • Novel anthracycline compounds exhibiting high potency were discovered.
  • Structure-activity relationship insights provided guidelines for future anthracycline drug design.

Conclusions:

  • Structural modifications of anthracyclines can significantly impact their anti-cancer activity and toxicity profile.
  • The study identified promising new anthracycline candidates for further development.
  • Optimized anthracycline design may lead to more effective and tolerable cancer therapies.

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