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Extracts Obtained from Pterocarpus angolensis DC and Ziziphus mucronata Exhibit Antiplasmodial Activity and Inhibit Heat Shock Protein 70 (Hsp70) Function
Malaria parasites are increasingly becoming resistant to currently used antimalarial therapies, therefore there is an urgent need to expand the arsenal of alternative antimalarial drugs. In addition, it is also important to identify novel antimalarial drug targets. In the current study, extracts of...
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Published in: | Molecules (Basel, Switzerland) Switzerland), 2017-08, Vol.22 (8), p.1224 |
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Main Authors: | , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Malaria parasites are increasingly becoming resistant to currently used antimalarial therapies, therefore there is an urgent need to expand the arsenal of alternative antimalarial drugs. In addition, it is also important to identify novel antimalarial drug targets. In the current study, extracts of two plants,
and
were obtained and their antimalarial functions were investigated. Furthermore, we explored the capability of the extracts to inhibit
heat shock protein 70 (Hsp70) function. Heat shock protein 70 (Hsp70) are molecular chaperones whose function is to facilitate protein folding.
the main agent of malaria, expresses two cytosol-localized Hsp70s: PfHsp70-1 and PfHsp70-z. The PfHsp70-z has been reported to be essential for parasite survival, while inhibition of PfHsp70-1 function leads to parasite death. Hence both PfHsp70-1 and PfHsp70-z are potential antimalarial drug targets. Extracts of
and
inhibited the basal ATPase and chaperone functions of the two parasite Hsp70s. Furthermore, fractions of
and
inhibited
3D7 parasite growth in vitro. The extracts obtained in the current study exhibited antiplasmodial activity as they killed
parasites maintained in vitro. In addition, the findings further suggest that some of the compounds in
and
may target parasite Hsp70 function. |
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ISSN: | 1420-3049 1420-3049 |
DOI: | 10.3390/molecules22071224 |