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In vitro screening of some Strychnos species for antiplasmodial activity. 2005

Geneviève Philippe, and Luc Angenot, and Patrick De Mol, and Eric Goffin, and Marie-Pierre Hayette, and Monique Tits, and Michel Frédérich
University of Liège, Natural and Synthetic Drugs Research Center, Laboratory of Pharmacognosy, B36, Avenue de l'Hôpital 1, 4000 Liège, Belgium.

The antiplasmodial activity of crude extracts of 19 species of Strychnos (Loganiaceae) was assessed in vitro against a chloroquine-susceptible strain of Plasmodium falciparum. For each species, ethyl acetate (EtOAc) extracts were analysed and, for the most active species, methanolic (MeOH) extracts were also tested. Among them, Strychnos variabilis De Wild. seemed to be very promising (inhibitory concentration 50% (IC50) < 5 microg/ml) whereas two other species, Strychnos gossweileri Exell and Strychnos mellodora S. Moore, could be interesting (IC50 < 15 microg/ml) in further antimalarial studies.

UI MeSH Term Description Entries
D010936 Plant Extracts Concentrated pharmaceutical preparations of plants obtained by removing active constituents with a suitable solvent, which is evaporated away, and adjusting the residue to a prescribed standard. Herbal Medicines,Plant Extract,Extract, Plant,Extracts, Plant,Medicines, Herbal
D010963 Plasmodium falciparum A species of protozoa that is the causal agent of falciparum malaria (MALARIA, FALCIPARUM). It is most prevalent in the tropics and subtropics. Plasmodium falciparums,falciparums, Plasmodium
D004353 Drug Evaluation, Preclinical Preclinical testing of drugs in experimental animals or in vitro for their biological and toxic effects and potential clinical applications. Drug Screening,Evaluation Studies, Drug, Pre-Clinical,Drug Evaluation Studies, Preclinical,Drug Evaluations, Preclinical,Evaluation Studies, Drug, Preclinical,Evaluation, Preclinical Drug,Evaluations, Preclinical Drug,Medicinal Plants Testing, Preclinical,Preclinical Drug Evaluation,Preclinical Drug Evaluations,Drug Screenings,Screening, Drug,Screenings, Drug
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000981 Antiprotozoal Agents Substances that are destructive to protozoans. Schizonticides,Agents, Antiprotozoal
D018514 Plant Structures The parts of plants, including SEEDS. Plant Components,Component, Plant,Components, Plant,Plant Component,Plant Structure,Structure, Plant,Structures, Plant
D031451 Strychnos A plant genus of the family LOGANIACEAE (classified by some botanists as Strychnaceae). Strychno

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