نتایج جستجو برای: artemisinin
تعداد نتایج: 3135 فیلتر نتایج به سال:
Plasmodium falciparum proteasome (Pf20S) inhibitors are active against at multiple stages—erythrocytic, gametocyte, liver, and gamete activation stages—indicating that selective Pf20S possess the potential to be therapeutic, prophylactic, transmission-blocking antimalarials. Starting from a reported compound, we developed noncovalent, macrocyclic peptide inhibitor of malarial with high species ...
Background: Parkinson’s disease (PD) is characterized by motor dysfunctions including tremors, rigidity and bradykinesia. Medications for PD alleviate symptoms rather than targeting pathogenesis. Recently discovered features of artemisinin suggested that it might be used to treat neurodegenerative diseases. Objective: explore the possible neuroprotective effect in different doses a rotenone-ind...
Genetically determined artemisinin resistance in Plasmodium falciparum has been described in Southeast Asia. The relevance of recently described Kelch 13-propeller mutations for artemisinin resistance in Sub-Saharan Africa parasites is still unknown. Southeast Asia parasites have low genetic diversity compared to Sub-Saharan Africa, where parasites are highly genetically diverse. This study att...
Elucidation of the principal targets of the action of the antimalarial drug artemisinin is an ongoing pursuit that is important for understanding the action of this drug and for the development of more potent analogues. We have examined the chemical reaction of Hb with artemisinin. The protein-bound haem in Hb has been found to react with artemisinin much faster than is the case with free haem....
Plasmodium falciparum parasites that are resistant to artemisinins have been detected in Southeast Asia. Resistance is associated with several polymorphisms in the parasite's K13-propeller gene. The molecular epidemiology of these artemisinin resistance genotypes in African parasite populations is unknown. We developed an assay to quantify rare polymorphisms in parasite populations that uses a ...
BACKGROUND Artemisinin derivatives are the key active ingredients in Artemisinin combination therapies (ACTs), the most effective therapies available for treatment of malaria. Because the raw material is extracted from plants with long growing seasons, artemisinin is often in short supply, and fermentation would be an attractive alternative production method to supplement the plant source. Prev...
Eurycoma longifolia, locally known as ‘Tongkat Ali’ is a popular local medicinal plant that possess a lot of medicinal properties as claimed traditionally, especially in the treatment of malaria. The claims have been proven scientifically on isolated compounds from the plant. The present study is to investigate the anti malaria properties of Eurycoma longifolia standardized extract (root) (TA16...
Artemisinin, a potent antimalarial drug derived from Artemisia annua L., and curcumin, a polyphenol extracted from the roots of Curcuma longa L., are reported to exert a synergistic antimalarial action, albeit manifesting a low bioavailability. In fact, both these molecules are poorly soluble in aqueous environments. In this study, we report a DOSY investigation of the solubilisation capacity o...
Despite its efficacy against malaria, the relatively low yield (0.01%-0.8%) of artemisinin in Artemisia annua is a serious limitation to the commercialization of the drug. A better understanding of the biosynthetic pathway of artemisinin and its regulation by both exogenous and endogenous factors is essential to improve artemisinin yield. Increasing evidence has shown that microRNAs (miRNAs) pl...
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