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[Main anticancer substances of vegetable origin].

M Koch1

  • 1Laboratoire de Pharmacognosie, URA 1310, CNRS, Faculté de Pharmacie, Paris.

Comptes Rendus Des Seances De La Societe De Biologie Et De Ses Filiales
|January 1, 1992
PubMed
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Plants provide valuable antitumor agents like ellipticine and camptothecine, currently in clinical use. Understanding their mechanisms and toxicity allows for improved cancer therapies.

Area of Science:

  • Phytochemistry
  • Pharmacology
  • Medicinal Chemistry

Background:

  • Systematic screening of plant extracts over 30 years has yielded numerous antitumor agents.
  • Many plant-derived compounds are in clinical use or advanced experimental stages for cancer treatment.

Purpose of the Study:

  • To review selected plant-derived alkaloids with antitumor activity.
  • To describe the origin, biological activity, mechanism of action, and toxicity of these compounds.
  • To emphasize the importance of plant sources for novel drug discovery.

Main Methods:

  • Literature review of plant-derived antitumor alkaloids.
  • Focus on compounds like ellipticine, homoharringtonine, camptothecine, and acronycine.
  • Analysis of biological activity, mechanisms, and toxicity profiles.

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Main Results:

  • Several plant alkaloids exhibit significant antitumor properties.
  • Detailed descriptions of the origin, activity, mechanism, and toxicity of key compounds are provided.
  • These examples underscore the potential of the Plant Kingdom in drug discovery.

Conclusions:

  • The Plant Kingdom is a rich source of novel biologically active structures for cancer therapy.
  • Understanding the mechanism of action and toxicity is crucial for rational drug design.
  • Knowledge of these factors enables the development of more effective and safer anticancer agents.