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Amaryllidaceae alkaloids belonging to different structural subgroups display activity against apoptosis-resistant cancer cells.

Abstract
Fifteen Amaryllidaceae alkaloids (1-15) were evaluated for their antiproliferative activities against six distinct cancer cell lines. Several of these natural products were found to have low micromolar antiproliferative potencies. The log P values of these compounds did not influence their observed activity. When active, the compounds displayed cytostatic, not cytotoxic activity, with the exception of pseudolycorine (3), which exhibited cytotoxic profiles. The active compounds showed similar efficacies toward cancer cells irrespective of whether the cell lines were responsive or resistant to proapoptotic stimuli. Altogether, the data from the present study revealed that lycorine (1), amarbellisine (6), haemanthamine (14), and haemanthidine (15) are potentially useful chemical scaffolds to generate further compounds to combat cancers associated with poor prognoses, especially those naturally resistant to apoptosis, such as glioblastoma, melanoma, non-small-cell lung, and metastatic cancers.
AuthorsGwendoline Van Goietsenoven, Anna Andolfi, Benjamin Lallemand, Alessio Cimmino, Delphine Lamoral-Theys, Thierry Gras, Amina Abou-Donia, Jacques Dubois, Florence Lefranc, Véronique Mathieu, Alexander Kornienko, Robert Kiss, Antonio Evidente
JournalJournal of natural products (J Nat Prod) Vol. 73 Issue 7 Pg. 1223-7 (Jul 23 2010) ISSN: 1520-6025 [Electronic] United States
PMID20550100 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Amaryllidaceae Alkaloids
  • Antineoplastic Agents, Phytogenic
  • Phenanthridines
  • pseudolycorine
  • hemanthidine
  • hemanthamine
  • lycorine
Topics
  • Amaryllidaceae Alkaloids (chemistry, isolation & purification, pharmacology)
  • Antineoplastic Agents, Phytogenic (chemistry, isolation & purification, pharmacology)
  • Apoptosis (drug effects)
  • Drug Resistance, Neoplasm (drug effects)
  • Drug Screening Assays, Antitumor
  • Humans
  • Molecular Structure
  • Phenanthridines (chemistry, isolation & purification, pharmacology)

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