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Int J Parasitol. 2013 Oct;43(11):885-9. doi: 10.1016/j.ijpara.2013.07.001. Epub 2013 Jul 27.

Travellers as sentinels: Assaying the worldwide distribution of polymorphisms associated with artemisinin combination therapy resistance in Plasmodium falciparum using malaria cases imported into Scotland.

Author information

1
Malaria Unit, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan.

Abstract

There is growing evidence that Plasmodium falciparum parasites in southeastern Asia have developed resistance to artemisinin combination therapy. The resistance phenotype has recently been shown to be associated with four single nucleotide polymorphisms in the parasite's genome. We assessed the prevalence of two of these single nucleotide polymorphisms in P. falciparum parasites imported into Scotland between 2009 and 2012, and in additional field samples from six countries in southeastern Asia. We analysed 28 samples from 11 African countries, and 25 samples from nine countries in Asia/southeastern Asia/Oceania. Single nucleotide polymorphisms associated with artemisinin combination therapy resistance were not observed outside Thailand and Cambodia.

KEYWORDS:

ACT; Drug resistance; Malaria; Plasmodium falciparum

PMID:
23899818
DOI:
10.1016/j.ijpara.2013.07.001
[Indexed for MEDLINE]

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