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Polymorphism of the Plasmodium falciparum multidrug resistance and chloroquine resistance transporter genes and in vitro susceptibility to aminoquinolines in isolates from the Peruvian Amazon.


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タイトル: Polymorphism of the Plasmodium falciparum multidrug resistance and chloroquine resistance transporter genes and in vitro susceptibility to aminoquinolines in isolates from the Peruvian Amazon.
著者: Huaman, Maria Cecilia / Roncal, Norma / Nakazawa, Shusuke / Long, Ton That Ai / Gerena, Lucia / Garcia, Coralith / Solari, Lely / Magill, Alan J. / Kanbara, Hiroji
発行日: 2004年 5月
出版者: American Society of Tropical Medicine and Hygiene
引用: American Journal of Tropical Medicine and Hygiene, 70(5), pp.461-466; 2004
抄録: In vitro drug sensitivity to chloroquine (CQ), mefloquine (MQ) and quinine was investigated in 60 culture-adapted Plasmodium falciparum isolates from malaria patients in Padrecocha, a village in the Amazonian Department of Loreto, Peru. All isolates showed resistance to CQ, decreased susceptibility to quinine, and sensitivity to MQ. These isolates were examined for mutations in the P. falciparum multidrug resistance 1 (pfmdr1) and chloroquine resistance transporter (pfcrt) genes previously linked to CQ resistance. The mutations N86Y and D1246Y, two of the five mutations commonly observed in the pfmdr1 gene of CQ-resistant clones, were not found. The pfcrt mutation K76T, associated with CQ resistance, was identified in all the isolates tested. Sequence analysis of codons 72-76 in the pfcrt gene showed the haplotypes SVMNT and CVMNT.
URI: http://hdl.handle.net/10069/20125
ISSN: 00029637
PubMed ID: 15155976
関連リンク : http://www.ajtmh.org/cgi/content/abstract/70/5/461
権利: Copyright (c) 2004 by The American Society of Tropical Medicine and Hygiene
資料タイプ: Journal Article
原稿種類: publisher
出現コレクション:120 学術雑誌論文

引用URI : http://hdl.handle.net/10069/20125

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