نتایج جستجو برای: antimalarial
تعداد نتایج: 6488 فیلتر نتایج به سال:
Malaria is a mosquito-borne disease caused by parasites of the genus . In humans, parasites multiply in the liver and then infect red blood cells. The life cycle consists of a sexual phase in the mosquito vector (sporogony) and an asexual phase in the vertebrate host (schizogony); both life cycle phases can be detected in assays. In general, and are the two basic approaches routinely used to ev...
BACKGROUND Irrational prescribing and dispensing of antimalarials has been identified as a contributing factor in the emergence of malaria parasites resistant to existing antimalarial drugs. Factors that contribute to such irrational prescribing and dispensing should therefore be identified to address this problem. The aim of this study was to assess irrational antimalarial drug dispensing and ...
Malaria is still a serious public health problem in some parts of the world. The problems of recurrence and drug resistance are increasingly more serious. Thus, it is necessary to develop a novel antimalarial agent. The objectives of this study were to construct a novel compound antimalarial transdermal nanosystem-ethosomal cataplasm, to investigate its characteristics and efficiency, and to sy...
BACKGROUND Malaria especially falciparum malaria still causes high morbidity and mortality in tropical countries. Several factors have been linked to this situation and the most important one is the rapid spread of parasite resistance to the currently available antimalarials, including artemisinin. Artemisinin is the main component of the currently recommended antimalarial, artemisinin based co...
Quaternary ammonium compounds have received recent attention due to their potent in vivo antimalarial activity based on their ability to inhibit de novo phosphatidylcholine synthesis. Here we show that in addition to this, heme binding significantly contributes to the antimalarial activity of these compounds. For the study, we used a recently synthesized bis-quaternary ammonium compound, T16 (1...
Antimalarial drug resistance has now become a serious global challenge and is the principal reason for the decline in antimalarial drug efficacy. Malaria endemic countries need inexpensive and efficacious drugs. Preserving the life spans of antimalarial drugs is a key part of the strategy for rolling back malaria. Artemisinin-based combinations offer a new and potentially highly effective way t...
Drug resistance in Plasmodium parasites is a constant threat. Novel therapeutics, especially new drug combinations, must be identified at a faster rate. In response to the urgent need for new antimalarial drug combinations we screened a large collection of approved and investigational drugs, tested 13,910 drug pairs, and identified many promising antimalarial drug combinations. The activity of ...
Quantitative structure-activity relationship (QSAR) models have been developed for a data set of 3133 compounds defined as either active or inactive against P. falciparum. Because the data set was strongly biased toward inactive compounds, different sampling approaches were employed to balance the ratio of actives versus inactives, and models were rigorously validated using both internal and ex...
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