Antigiardial Activity of Podophyllotoxin-Type Lignans from Bursera fagaroides var. fagaroides

Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry
Filiberto Gutiérrez-GutiérrezAraceli Castillo-Romero

Abstract

Giardiasis, a diarrheal disease, is highly prevalent in developing countries. Several drugs are available for the treatment of this parasitosis; unfortunately, all of them have variable efficacies and adverse effects. Bursera fagaroides has been known for its anti-inflammatory and antidiarrheal properties in Mexican traditional medicine. We investigated the in vitro anti-giardial activities of four podophyllotoxin-type lignans from Bursera fagaroides var. fagaroides, namely, 5'-desmethoxy-β-peltatin-A-methylether (5-DES), acetylpodophyllotoxin (APOD), burseranin (BUR), and podophyllotoxin (POD). All lignans affected the Giardia adhesion and electron microscopy images revealed morphological alterations in the caudal region, ventral disk, membrane, and flagella, to different extents. Only 5-DES, APOD, and POD caused growth inhibition. Using the Caco-2 human cell line as a model of the intestinal epithelium, we demonstrated that APOD displayed direct antigiardial killing activity and low toxicity on Caco-2 cells. This finding makes it an attractive potential starting point for new antigiardial drugs.

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Citations

Jun 21, 2019·Organic & Biomolecular Chemistry·Luis R Domingo, Mar Ríos-Gutiérrez
Aug 23, 2019·Chemical Biology & Drug Design·Filiberto Gutiérrez-GutiérrezAraceli Castillo-Romero
Aug 12, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Maria Carla MarcotullioJudith X Becerra
Dec 24, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Mayra Antúnez-MojicaLaura Alvarez

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Methods Mentioned

BETA
scanning electron microscopy
column chromatography
Assay

Software Mentioned

GraphPad Prism
GraphPad
Graph Pad Prism
Graph Pad

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