Journal
MOLECULAR AND BIOCHEMICAL PARASITOLOGY
Volume 217, Issue -, Pages 13-15Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molbiopara.2017.08.003
Keywords
Plasmodium falciparum; Sulphadoxine-pyrimethamine; Intermittent preventive treatment; Pregnancy; Resistance
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Funding
- European Community's Seventh Framework Programme [305662]
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Sulphadoxine-pyrimethamine (SP) is only used for intermittent preventive treatment during pregnancy (IPTp) in most Sub-Saharan African countries. However, there are concerns about the efficacy of IPTp-SP because of increasing resistance. Combinations of point mutations in the dhps and dhfr genes of Plasmodium falciparum are associated with SP resistance, in particular the quintuple dhfr (N51, C59, S108) - dhps (codons A437, K540) mutant. In Nanoro, Burkina Faso, filter paper samples from pregnant women at first antenatal care visit and at delivery plus samples from the general population (GP) were studied for dhfr and dhps mutations by sequencing. Quintuple mutants were present in 2 delivery and 4 GP samples. This is the first time the quintuple mutation is found in Burkina Faso and although the prevalence is still very low, emergence of the quintuple mutation could highly diminish the efficacy of IPTp-SP. Close surveillance of SP resistance mutations is therefore warranted.
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