A broad analysis of resistance development in the malaria parasite

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A broad analysis of resistance development in the malaria parasite

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Title: A broad analysis of resistance development in the malaria parasite
Author: Corey, Victoria C.; Lukens, Amanda K.; Istvan, Eva S.; Lee, Marcus C. S.; Franco, Virginia; Magistrado, Pamela; Coburn-Flynn, Olivia; Sakata-Kato, Tomoyo; Fuchs, Olivia; Gnädig, Nina F.; Goldgof, Greg; Linares, Maria; Gomez-Lorenzo, Maria G.; De Cózar, Cristina; Lafuente-Monasterio, Maria Jose; Prats, Sara; Meister, Stephan; Tanaseichuk, Olga; Wree, Melanie; Zhou, Yingyao; Willis, Paul A.; Gamo, Francisco-Javier; Goldberg, Daniel E.; Fidock, David A.; Wirth, Dyann F.; Winzeler, Elizabeth A.

Note: Order does not necessarily reflect citation order of authors.

Citation: Corey, V. C., A. K. Lukens, E. S. Istvan, M. C. S. Lee, V. Franco, P. Magistrado, O. Coburn-Flynn, et al. 2016. “A broad analysis of resistance development in the malaria parasite.” Nature Communications 7 (1): 11901. doi:10.1038/ncomms11901. http://dx.doi.org/10.1038/ncomms11901.
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Abstract: Microbial resistance to chemotherapy has caused countless deaths where malaria is endemic. Chemotherapy may fail either due to pre-existing resistance or evolution of drug-resistant parasites. Here we use a diverse set of antimalarial compounds to investigate the acquisition of drug resistance and the degree of cross-resistance against common resistance alleles. We assess cross-resistance using a set of 15 parasite lines carrying resistance-conferring alleles in pfatp4, cytochrome bc1, pfcarl, pfdhod, pfcrt, pfmdr, pfdhfr, cytoplasmic prolyl t-RNA synthetase or hsp90. Subsequently, we assess whether resistant parasites can be obtained after several rounds of drug selection. Twenty-three of the 48 in vitro selections result in resistant parasites, with time to resistance onset ranging from 15 to 300 days. Our data indicate that pre-existing resistance may not be a major hurdle for novel-target antimalarial candidates, and focusing our attention on fast-killing compounds may result in a slower onset of clinical resistance.
Published Version: doi:10.1038/ncomms11901
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4912613/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:27662239
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