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In vitro growth inhibitory activities of natural products from irciniid sponges against cancer cells: a comparative study
Romdhane, Y.B.; Elbour, M.; Carbone, M.; Ciavatta, M.L.; Gavagnin, M.; Mathieu, V.; Lefranc, F.; Ktari, L.; Ben Mustapha, K.; Boudabous, A.; Kiss, R.; Mollo, E. (2016). In vitro growth inhibitory activities of natural products from irciniid sponges against cancer cells: a comparative study. Biomed. Res. Int. 2016: 6 pp. https://dx.doi.org/10.1155/2016/5318176
In: BioMed Research International. Hindawi: New York. ISSN 2314-6133; e-ISSN 2314-6141
Peer reviewed article  
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  • Romdhane, Y.B.
  • Elbour, M.
  • Carbone, M.
  • Ciavatta, M.L.
  • Gavagnin, M.
  • Mathieu, V.
  • Lefranc, F.
  • Ktari, L.
  • Ben Mustapha, K.
  • Boudabous, A.
  • Kiss, R.
  • Mollo, E.
Abstract
    Marine sponges of the Irciniidae family contain both bioactive furanosesterterpene tetronic acids (FTAs) and prenylated hydroquinones (PHQs). Both classes of compounds are known for their anti-inflammatory, antioxidant, and antimicrobial properties and known to display growth inhibitory effects against various human tumor cell lines. However, the different experimental conditions of the reported in vitro bioassays, carried out on different cancer cell lines within separate studies, prevent realistic actual discrimination between the two classes of compounds from being carried out in terms of growth inhibitory effects. In the present work, a chemical investigation of irciniid sponges from Tunisian coasts led to the purification of three known FTAs and three known PHQs. The in vitro growth inhibitory properties of the six purified compounds have been evaluated in the same experiment in a panel of five human and one murine cancer cell lines displaying various levels of sensitivity to proapoptotic stimuli. Surprisingly, FTAs and PHQs elicited distinct profiles of growth inhibitory-responses, differing by one to two orders of magnitude in favor of the PHQs in all cell lines. The obtained comparative results are discussed in the light of a better selection of drug candidates from natural sources.
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