Literature DB >> 18025120

Decline in sulfadoxine-pyrimethamine-resistant alleles after change in drug policy in the Amazon region of Peru.

Zhiyong Zhou1, Sean M Griffing, Alexandre Macedo de Oliveira, Andrea M McCollum, Wilmer Marquino Quezada, Nancy Arrospide, Ananias A Escalante, Venkatachalam Udhayakumar.   

Abstract

The frequency of alleles with triple mutations conferring sulfadoxine-pyrimethamine (SP) resistance in the Peruvian Amazon Basin has declined (16.9% for dhfr and 0% for dhps compared to 47% for both alleles in 1997) 5 years after SP was replaced as the first-line treatment for Plasmodium falciparum malaria. Microsatellite analysis showed that the dhfr and dhps alleles are of common origin.

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Year:  2007        PMID: 18025120      PMCID: PMC2224716          DOI: 10.1128/AAC.00975-07

Source DB:  PubMed          Journal:  Antimicrob Agents Chemother        ISSN: 0066-4804            Impact factor:   5.191


  11 in total

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Journal:  Antimicrob Agents Chemother       Date:  2005-08       Impact factor: 5.191

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6.  Pyrosequencing, a high-throughput method for detecting single nucleotide polymorphisms in the dihydrofolate reductase and dihydropteroate synthetase genes of Plasmodium falciparum.

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10.  Reemergence of chloroquine-sensitive Plasmodium falciparum malaria after cessation of chloroquine use in Malawi.

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Journal:  J Infect Dis       Date:  2003-05-21       Impact factor: 5.226

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  30 in total

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4.  Limited geographical origin and global spread of sulfadoxine-resistant dhps alleles in Plasmodium falciparum populations.

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6.  Surveillance of molecular markers of Plasmodium falciparum resistance to sulphadoxine-pyrimethamine 5 years after the change of malaria treatment policy in Ghana.

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Review 7.  The dynamics of mutations associated with anti-malarial drug resistance in Plasmodium falciparum.

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Review 9.  Monitoring antifolate resistance in intermittent preventive therapy for malaria.

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10.  Chloroquine and sulphadoxine-pyrimethamine sensitivity of Plasmodium falciparum parasites in a Brazilian endemic area.

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