New Alkoxy Flavone Derivatives Targeting Caspases: Synthesis and Antitumor Activity Evaluation.

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ID: 63350
2018
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Abstract
The antitumor activity of natural flavonoids has been exhaustively reported. Previously it has been demonstrated that prenylation of flavonoids allows the discovery of new compounds with improved antitumor activity through the activation of caspase-7 activity. The synthesis of twenty-five flavonoids (⁻) with one or more alkyl side chains was carried out. The synthetic approach was based on the reaction with alkyl halide in alkaline medium by microwave (MW) irradiation. The in vitro cell growth inhibitory activity of synthesized compounds was investigated in three human tumor cell lines. Among the tested compounds, derivatives , , , , , , and revealed potent growth inhibitory activity (GI < 10 μM), being the growth inhibitory effect of compound related with a pronounced caspase-7 activation on MCF-7 breast cancer cells and yeasts expressing human caspase-7. A quantitative structure-activity relationship (QSAR) model predicted that hydrophilicity, pattern of ring substitution/shape, and presence of partial negative charged atoms were the descriptors implied in the growth inhibitory effect of synthesized compounds. Docking studies on procaspase-7 allowed predicting the binding of compound to the allosteric site of procaspase-7.
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moreira2018newmolecules Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Moreira, Joana;Ribeiro, Diana;Silva, Patrícia M A;Nazareth, Nair;Monteiro, Madalena;Palmeira, Andreia;Saraiva, Lucília;Pinto, Madalena;Bousbaa, Hassan;Cidade, Honorina;
Journal molecules
Year 2018
DOI
E129
URL
Keywords
flavonoids apoptosis antitumor activity o-heterocycles alkylation caspase activators

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