In Vitro Activity of Proveblue (Methylene Blue) on Plasmodium falciparum Strains Resistant to Standard Antimalarial Drugs
Author(s) -
Aurélie Pascual,
Maud Henry,
Sébastien Briolant,
Serge Charras,
Eric Baret,
Rémy Amalvict,
Emilie Huyghues des Etages,
Michel Féraud,
Christophe Rogier,
Bruno Pradines
Publication year - 2011
Publication title -
antimicrobial agents and chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.07
H-Index - 259
eISSN - 1070-6283
pISSN - 0066-4804
DOI - 10.1128/aac.01466-10
Subject(s) - mefloquine , plasmodium falciparum , quinine , lumefantrine , malaria , biology , amodiaquine , chloroquine , methylene blue , minimum inhibitory concentration , pharmacology , drug resistance , in vitro , virology , artemisinin , microbiology and biotechnology , genetics , immunology , biochemistry , photocatalysis , catalysis
The geometric mean 50% inhibitory concentration (IC50 ) for Proveblue, a methylene blue complying with the European Pharmacopoeia, was more active on 23P. falciparum strains than chloroquine, quinine, mefloquine, monodesethylamodiaquine, and lumefantrine. We did not find significant associations between the Proveblue IC50 and polymorphisms in thepfcrt ,pfmdr1 ,pfmdr2 ,pfmrp , andpfnhe-1 genes or the copy numbers of thepfmdr1 andpfmdr2 genes, all of which are involved in antimalarial resistance.
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