کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
3421226 | 1594045 | 2006 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
In-vitro susceptibility of Plasmodium falciparum to monodesethylamodiaquine, dihydroartemisinin and quinine in an area of high chloroquine resistance in Rwanda
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
ایمنی شناسی و میکروب شناسی
میکروبیولوژی و بیوتکنولوژی کاربردی
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چکیده انگلیسی
Plasmodium falciparum in-vitro susceptibility to chloroquine (CQ), monodesethylamodiaquine, quinine and dihydroartemisinin was investigated in Rwandan patients with a parasitaemia of at least â¥4000/μl. The study was carried out in November-December 2003. Dihydroartemisinin was the most potent (GM IC50 = 2.6 nmol/l, 95% CI 2.2-3.2) among the drugs tested. Resistance to chloroquine was 45% (33/74) and that to monodesethylamodiaquine 7% (5/74). All the tested isolates were susceptible to quinine. The mean IC50 of monodesethylamodiaquine, quinine and dihydroartemisinin was significantly higher for chloroquine-resistant than for chloroquine-sensitive strains (P < 0.05). The IC50 of each drug was significantly and positively correlated to that of the other three drugs (P < 0.005), and this correlation was higher between CQ and monodesethylamodiaquine (r = 0.8). In-vitro CQ resistance is linked to that of the other drugs tested. Most worrying is the positive correlation between the IC50 of dihydroartemisinin and the other drugs, more particularly with CQ, suggesting an increased tolerance of the parasites to all drugs.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Transactions of the Royal Society of Tropical Medicine and Hygiene - Volume 100, Issue 6, June 2006, Pages 509-514
Journal: Transactions of the Royal Society of Tropical Medicine and Hygiene - Volume 100, Issue 6, June 2006, Pages 509-514
نویسندگان
Halidou Tinto, Claude Rwagacondo, Corinne Karema, Denise Mupfasoni, Waltruda Vandoren, Emmanuel Rusanganwa, Annette Erhart, Chantal Van Overmeir, Eric Van Marck, Umberto D'Alessandro,