PUBLICATION

Antimalarial Activities of Alkyl Cyclohexenone Derivatives Isolated from the Leaves of Poupartia borbonica

Authors
Ledoux, A., St-Gelais, A., Cieckiewicz, E., Jansen, O., Bordignon, A., Illien, B., Di Giovanni, N., Marvilliers, A., Hoareau, F., Pendeville, H., Quetin-Leclercq, J., Frédérich, M.
ID
ZDB-PUB-170531-4
Date
2017
Source
Journal of natural products   80(6): 1750-1757 (Journal)
Registered Authors
Pendeville-Samain, Hélène
Keywords
none
MeSH Terms
  • Anacardiaceae/chemistry*
  • Animals
  • Antimalarials/chemistry
  • Antimalarials/isolation & purification*
  • Antimalarials/pharmacology*
  • Belgium
  • Cyclohexanones/chemistry
  • Cyclohexanones/isolation & purification*
  • Cyclohexanones/pharmacology*
  • Disease Models, Animal
  • Dose-Response Relationship, Drug
  • Drug Screening Assays, Antitumor
  • Female
  • Flavonoids/chemistry
  • Flavonoids/isolation & purification
  • Flavonoids/pharmacology
  • HeLa Cells
  • Humans
  • Inhibitory Concentration 50
  • Malaria/drug therapy*
  • Mice
  • Molecular Structure
  • Nuclear Magnetic Resonance, Biomolecular
  • Parasitic Sensitivity Tests
  • Plant Leaves/chemistry
  • Plasmodium berghei/drug effects
  • Plasmodium falciparum/drug effects
  • Quercetin/analogs & derivatives
  • Quercetin/chemistry
  • Quercetin/pharmacology
  • Zebrafish/embryology
PubMed
28557449 Full text @ J. Nat. Prod.
Abstract
Bioactivity-guided fractionation of the ethyl acetate extract of the leaves of Poupartia borbonica led to the isolation of three new alkyl cyclohexenone derivatives 1-3, and named Poupartone A-C. The structures of the new compounds were elucidated by 1D and 2D NMR spectroscopic data analysis and MS, whereas calculated and experimental ECD spectra were used to define the absolute configurations. These compounds were active against 3D7 and W2 Plasmodium falciparum strains with IC50 values between 0.55 and 1.81 μM. In vitro cytotoxicity against WI38 human fibroblasts and the human cervical cancer cell line HeLa (WST-1 assay) showed that these compounds were also cytotoxic, but no hemolytic activity was observed for the extract and pure compounds. An in vivo antimalarial assay was performed on the major cyclohexenone using P. berghei-infected mice at a dose of 15 mg/kg/day ip. The assay revealed growth inhibition of 59.1 and 69.5% at days 5 and 7 postinfection, respectively, although some toxicity was observed. Zebrafish larvae were used as a model to determine the type of toxicity, and the results showed cardiac toxicity. The methanol extract was also studied, and it displayed moderate antiplasmodial properties in vitro. This extract contained the known flavonoids, quercetin, 3'-O-hydroxysulfonylquercetin, quercitrin, and isoquercitrin as well as ellagic acid, which showed high to low activity against the 3D7 P. falciparum strain.
Genes / Markers
Figures
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping