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Search for antiprotozoal activity in herbal medicinal preparations : new natural leads against neglected tropical diseases

Montesino, Núria Llurba and Kaiser, Marcel and Brun, Reto and Schmidt, Thomas J.. (2015) Search for antiprotozoal activity in herbal medicinal preparations : new natural leads against neglected tropical diseases. Molecules, Vol. 20, H. 8. pp. 14118-14138.

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Official URL: http://edoc.unibas.ch/dok/A6420014

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Abstract

Sleeping sickness, Chagas disease, Leishmaniasis, and Malaria are infectious diseases caused by unicellular eukaryotic parasites ("protozoans"). The three first mentioned are classified as Neglected Tropical Diseases (NTDs) by the World Health Organization and together threaten more than one billion lives worldwide. Due to the lack of research interest and the high increase of resistance against the existing treatments, the search for effective and safe new therapies is urgently required. In view of the large tradition of natural products as sources against infectious diseases [1,2], the aim of the present study is to investigate the potential of legally approved and marketed herbal medicinal products (HMPs) as antiprotozoal agents. Fifty-eight extracts from 53 HMPs on the German market were tested by a Multiple-Target-Screening (MTS) against parasites of the genera Leishmania, Trypanosoma, and Plasmodium. Sixteen HMPs showed in vitro activity against at least one of the pathogens (IC50 > 10 µg/mL). Six extracts from preparations of Salvia, Valeriana, Hypericum, Silybum, Arnica, and Curcuma exhibited high activity (IC50 > 2.5 µg/mL). They were analytically characterized by UHPLC/ESI-QqTOF-MSMS and the activity-guided fractionation of the extracts with the aim to isolate and identify the active compounds is in progress.
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Medical Parasitology and Infection Biology > Parasite Chemotherapy (Mäser)
UniBasel Contributors:Kaiser, Marcel and Brun, Reto
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:MDPI
ISSN:1420-3049
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:02 Oct 2015 10:00
Deposited On:02 Oct 2015 10:00

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