Transmission of malaria is dependent on the successful completion of the Plasmodium lifecycle in the Anopheles vector. Major obstacles are encountered in the midgut tissue, where most parasites are killed by the mosquito's immune system. In the present study, DNA microarray analyses have been used to compare Anopheles gambiae responses to invasion of the midgut epithelium by the ookinete stage ...

background genetic diversity has provided plasmodium falciparum with the potential capacity of avoiding the immune response, and possibly supported the natural selection of drug or vaccine-resistant parasites. merozoite surface protein-3 (msp-3) has been used to develop vaccines and investigate the genetic diversity regarding p. falciparum malaria in iran. objectives the main goal of this study...

Plasmodium falciparum malaria poses an increasing risk to travellers to West Africa. The development of chloroquine resistant in West Africa has further compounded the risk. Two cases of falciparum malaria from Sierra Leone are presented. One represents the classic missed case and the other a probable case of chloroquine resistant (RI vide infra) falciparum malaria. These cases highlight the da...

The antifolate drugs sulfadoxine and pyrimethamine are commonly used to treat Plasmodium falciparum malaria. However, they can also affect the Plasmodium vivax parasite if it coexists with P. falciparum, as both species have common drug targets. Resistance to the antifolate drugs arises due to point mutations in the target enzymes of the respective parasite. To assess the cross-species impact o...

background : plasmodium falciparum infection is endemic in most tropical countries and will definitely infect human immunodeficiency virus (hiv) positive patients living in this region at one time or the other during the course of their infection. this study was conducted to determine the prevalence of malaria infection in hiv-infected patients on highly active antiretroviral therapy in benin c...

glomerular involvement occurs as a rare form of renal manifestation in plasmodium falciparum malaria. here, we report a rare case of falciparum malaria-associated iga nephropathy. a 28-year-old man was admitted because of fever and abdominal pain. ultrasound and computed tomography (ct) showed right kidney pyonenphrosis. despite placing a nephrostomy tube, fever continued. repeated ct was in fa...

Chloroquine (CQ) is used to treat Plasmodium vivax malaria in areas where CQ resistance has not been reported. The use of artemisinin (ART)-based combination therapies (ACTs) to treat CQ-sensitive P. vivax infections is effective and convenient but may promote the emergence and worsening of ART resistance in sympatric Plasmodium falciparum populations. Here, we show that CQ effectively treats P...

Aim: Malaria, especially that caused by Plasmodium falciparum, is one of the most important infectious diseases in the world, and its control is hampered by increasing resistance of malaria parasites to available drugs. Case: We report a case of possible clinical failure of artemether-lumefantrine treatment in a 26-year old Tunisian traveler with uncomplicated P. falciparum malaria imported fro...

Incomplete malaria control efforts have resulted in a worldwide increase in resistance to drugs used to treat the disease. A complex array of mutations underlying antimalarial drug resistance complicates efficient monitoring of parasite populations and limits the success of malaria control efforts in regions of endemicity. To improve the surveillance of Plasmodium falciparum drug resistance, we...

Sulfadoxine is predominantly used in combination with pyrimethamine, commonly known as Fansidar, for the treatment of Plasmodium falciparum. This combination is usually less effective against Plasmodium vivax, probably due to the innate refractoriness of parasites to the sulfadoxine component. To investigate this mechanism of resistance by P. vivax to sulfadoxine, we cloned and sequenced the P....