期刊
TRANSACTIONS OF THE ROYAL SOCIETY OF TROPICAL MEDICINE AND HYGIENE
卷 102, 期 11, 页码 1148-1150出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.trstmh.2008.04.001
关键词
Malaria; pfmdr1; Drug resistance; Amodiaquine; Artesunate; Lumefantrine; Africa
Amodiaquine/artesunate and artemether/lumefantrine are currently implemented as antimalarial drugs in Africa. In this study, we assessed Plasmodium falciparum pfmdr1 alleles suggesting reduced sensitivity to amodiaquine/artesunate (86Y-184Y-1246Y) and artemether/lumefantrine (184F and 86N-184F-1246D) in 111 African isolates imported to Germany between 1997 and 2005. pfmdr1 86Y-184Y-1246Y occurred less frequently in West African isolates (2.5%) than in East African parasites (45.8%) (P<0.001) and less frequently in infections contracted in countries currently implementing amodiaquine/artesunate (5.7%) compared with countries with an artemether/lumefantrine policy (20.8%) (P = 0.03). pfmdr1 184F showed an opposite pattern. pfmdr1 alleles reveal significant differences between West and East Africa, supporting the current implementation of first-tine antimalarials. (C) 2008 Royal Society of Tropical Medicine and Hygiene. Published by Elsevier Ltd. All. rights reserved.
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