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Screening of Latin American plants for antiparasitic activities against malaria,Chagas disease, and leishmaniasis

artículo científico
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Date
2010
Author
Calderón, Ángela I.
Romero de Ortega, Luz Isabel
Ortega Barría, Eduardo
Solís, Pablo N.
Zacchino, Susana Alicia
Gimenez, Alberto
Pinzón, Roberto
Cáceres, Armando
Tamayo Castillo, Giselle
Guerra, Carlos
Espinosa, Alex
Correa, Mireya
Gupta, Mahabir Prashad
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Abstract
In order to explore rationally the medical potential of the plant biodiversity of the Central and South American region as a source of novel antiparasitic molecules, a multinational Organization of American States (OAS) project, which included the participation of multidisciplinary research centers from Argentina, Bolivia, Colombia, Costa Rica, Guatemala, Nicaragua and Panama, was carried out during the period 2001-2004. This project aimed at screening organic plant extracts for antitrypanosomal, antileishmanial and antimalarial activities and subsequently isolating and characterizing bioactive molecules. Plants for antiparasitic screening were selected from a database of ethnomedical uses of Latin American plants (PlanMedia) based on the amount of biological and chemical information available in the literature. We report here the evaluation of 452 extracts from 311 plant species in vitro screens against Plasmodium falciparum, Leishmania mexicana, and Trypanosoma cruzi. Out of 311 species tested, 17 plants (5.4%) showed antiparasitic activities at IC50 values ≤ 10 µg/mL. The most active plants were Acnistus arborescens (L.) Schltdl. (Solanaceae) (leaf, EtOH, IC50: 4 µg/mL) Monochaetum myrtoideum Naudin (Melastomataceae) (leaf, MeOH, IC50: 5 µg/mL) and Bourreria huanita (Lex.) Hemsl. (Boraginaceae) (branch, EtOH, IC50: 6 µg/mL). These were selectively active against P. falciparum, L. mexicana and T. cruzi, respectively.
URI
https://hdl.handle.net/10669/87918
External link to the item
10.3109/13880200903193344
https://www.tandfonline.com/doi/full/10.3109/13880200903193344
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  • Repositorios universitarios

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