期刊
CELLULAR AND MOLECULAR LIFE SCIENCES
卷 63, 期 14, 页码 1586-1596出版社
BIRKHAUSER VERLAG AG
DOI: 10.1007/s00018-006-6071-1
关键词
malaria; pfmdr1; pfcrt; PfATP6; artemisinins; mefloquine; molecular markers; resistance
Molecular determinants of antimalarial drug resistance are useful and informative tools that complement phenotypic assays for drug resistance. They also guide the design of strategies to circumvent such resistance once it has reached levels of clinical significance. Established resistance to arylaminoalcohols such as mefloquine and lumefantrine in SE Asia is mediated primarily by gene amplification of the P. falciparum drug transporter, pfmdr1. Single nucleotide polymorphisms in pfmdr1, whether assessed in field isolates or transfection experiments, are associated with changes in IC50 values (to arylaminoalcohols and chloroquine), but not of such magnitude as to influence clinical treatment outcomes. Recently described emerging in vitro resistance to artemisinins in certain areas correlates with mutations in the SERCA-like sequence PfATP6 and supports PfATP6 as a key target for artemisinins.
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