Chloroquine Resistance
In vitro piperaquine susceptibility is not associated with the Plasmodium falciparum chloroquine resistance transporter gene
... replace chloroquine as the first-line treatment for uncomplicated malaria in China in response to increasing chloroquine resistance in the ...and chloroquine. Very few data are available on ...
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Characterization of the Chloroquine Resistance Transporter Homologue in Toxoplasma gondii
... falciparum chloroquine resistance transporter (PfCRT) protein confer resistance to the antima- larial drug ...of chloroquine action, where it mediates resis- tance by transporting ...
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Return of chloroquine sensitivity to Africa? Surveillance of African Plasmodium falciparum chloroquine resistance through malaria imported to China
... [2]. Resistance to CQ was first identified on the Thai-Cambodian border in the late 1950s, concomitantly in South America, and in Africa in the 1970s ...of chloroquine resistance has led to the ...
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En route to the ‘elimination’ of genotypic chloroquine resistance in Western and Southern Zambia, 14 years after chloroquine withdrawal
... the chloroquine resistance genotypes over ...95% resistance in Macha in 2001 (unpub- lished report as cited by Chileshe et ...that resistance was around 20–30% ...zero resistance ...
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Glutathione transport: a new role for PfCRT in chloroquine resistance.
... Aims: Chloroquine (CQ) kills Plasmodium falciparum by binding heme, preventing its detoxification to hemozoin in the digestive vacuole (DV) of the ...CQ resistance (CQR) is associated with mutations in the ...
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Role of Toxoplasma gondii Chloroquine Resistance Transporter in Bradyzoite Viability and Digestive Vacuole Maintenance
... ABSTRACT Toxoplasma gondii is a ubiquitous pathogen that can cause encephalitis, congenital defects, and ocular disease. T. gondii has also been implicated as a risk factor for mental illness in humans. The parasite ...
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Trends in chloroquine resistance marker, Pfcrt K76T mutation ten years after chloroquine withdrawal in Tanzania
... [5]. Resistance to SP in the East African region had already emerged even before it was declared first-line drug [5-7], thus in Tanzania, SP was an interim solution that lasted for only five years and by the end ...
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Sequence and gene expression of chloroquine resistance transporter (pfcrt) in the association of in vitro drugs resistance of Plasmodium falciparum
... pfmdr1 mRNA and copy number were compared. It is very surprising; the level of mRNA was not correlated to gene copy number. Results failed to reveal an associa- tion between pfmdr1 expression or gene copy number and drug ...
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Chloroquine resistance before and after its withdrawal in Kenya
... Parasite genomic material from filter paper was prepared using the methanol procedure described elsewhere [18]. The detection of single-base changes at pfcrt-76 and pfmdr1–86 was carried out using the PCR-restriction ...
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Survey of Plasmodium falciparum multidrug resistance 1 and chloroquine resistance transporter alleles in Haiti
... CQ resistance genotypes in Haiti are alarming for public health officials in Haiti and concerted efforts are needed to monitor the anti-malaria drug resistance genotypes in ...anti-malarial ...
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Polymorphisms in chloroquine resistance associated genes in Plasmodium vivax in Ethiopia
... from Indonesia and Thailand suggest this to be the case [19]. The difference in the prevalence of pvmdr- 1 Y976F in areas where CQR P. vivax prevails versus CQ remain effica- cious may indicate the correlation between ...
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Molecular surveillance of artemisinin resistance falciparum malaria among migrant goldmine workers in Myanmar
... Drug resistance is one of the challenges to success- fully achieving this goal ...artemisinin resistance along with appropriate action to eliminate resistant strains is important in successfully contain- ...
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Complex dynamics and stability of resistance to antimalarial drugs
... against resistance mutations may be relatively large, evidence coming from the rare origin of resistance to the widely used antimalarials chloroquine (Wootton et ...for chloroquine ...
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Prevalence of resistance associated polymorphisms in Plasmodium falciparum field isolates from southern Pakistan
... the chloroquine resis- tance transporter gene (pfcrt) has been shown to be essential for chloroquine resistance, associated with amo- diaquine resistance and predictive of treatment failure ...
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The threat of antimalarial drug resistance
... rediscovered chloroquine (first synthesised in 1934 in Germany) and led to the antifolate ...drug resistance. Chloroquine resistance in Plasmodium falciparum appeared almost at the same time ...
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Prevalence of anti malarial resistance genes in Dakar, Senegal from 2013 to 2014
... In summary, the prevalence of chloroquine resistance continues to increase after a decline due to the official withdrawal of the drug and the introduction of ACT. Fur- thermore, amodiaquine susceptibility ...
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Eshetu, Teferi (2011): Efficacy and Tolerability of Antimalarials and Molecular Resistance Markers of Falciparum Malaria in Jimma Region, Ethiopia. Dissertation, LMU München: Medizinische Fakultät
... amodiaquine, chloroquine, sulphadoxine-pyrimethamine, and atovaquone-proguanil late treatment failure is expected up to 28 days, for mefloquine up to 63 days, and for artemether-lumefantrine up to 42 days as ...
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Confirmation of Plasmodium falciparum in vitro resistance to monodesethylamodiaquine and chloroquine in Dakar, Senegal, in 2015
... vitro chloroquine resistance in Dakar in 2009–2011 that paral- leled the withdrawal of chloroquine treatment [4, 5], the prevalence of parasites with in vitro chloroquine resist- ance ...
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Prevalence of Plasmodium falciparum anti malarial resistance associated polymorphisms in pfcrt, pfmdr1 and pfnhe1 in Muheza, Tanzania, prior to introduction of artemisinin combination therapy
... amodiaquine resistance has been reported from Korogwe, Tanzania, this study of 234 samples from Muheza, ap- proximately 40 kilometers away and in the same time period, did not detect this ...for chloroquine ...
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The usefulness of twenty four molecular markers in predicting treatment outcome with combination therapy of amodiaquine plus sulphadoxine pyrimethamine against falciparum malaria in Papua New Guinea
... parasite resistance is essential in directing the rational use of ...CQ resistance has been attributed to several mutations occurring in the ...parum chloroquine resistance transporter gene ...
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