نتایج جستجو برای: anti malaria
تعداد نتایج: 407189 فیلتر نتایج به سال:
Interleukin- (IL-) 10, anti-inflammatory cytokine, is known to inhibit the protective immune responses against malaria parasites and to be involved in exacerbating parasitemia during Plasmodium infection. In contrast, IL-10 is regarded as necessary for suppressing severe pathology during Plasmodium infection. Here, we summarize the role of IL-10 during murine malaria infection, focusing especia...
Methods Haemozoin was extracted from blood samples of all the malaria positive patients studied by centrifugation, and the concentration was analyzed spectrophotometrically at 400nm wavelength. Comparative anti-malaria activity of some conventional antimalarials, including Maldox, Halfan, Artecxin, Amatem, Mefloquine (quinolines) and Malmed, as well as the leaf and stem back extracts of some lo...
A vaccine to eliminate malaria would need a multi-stage and multi-species composition to achieve robust protection, but the lack of knowledge about antigen targets and mechanisms of protection precludes the development of fully efficacious malaria vaccines, especially for Plasmodium vivax (Pv). Pregnant women constitute a risk population who would greatly benefit from a vaccine preventing the a...
Nanoparticles are dispersed droplets or solid particles with a size of 10-100nm which are made in different shapes. Nanoparticles have received more attention as antiparasitic drugs in recent years since current antiparasitic drugs have some side effects and their efficacy is not proved yet. Nanoparticles are currently used in cancer treatment and gold and silver nanoparticles have a long histo...
Background & Aims: Malaria parasites attach to molecules on midgut surface of Anopheles mosquitoes to continue their life cycle. Here we try to evaluate the effect of anti-Anopheles midgut antibodies on coating these molecules and consequently blocking the transmission cycle of Plasmodium berghei inside their vectors. Materials & Methods: Balb/c mice were immunized with homogenized and degly...
Monocyte (MO) subpopulations display distinct phenotypes and functions which can drastically change during inflammatory states. We hypothesized that discrete MO subpopulations are induced during malaria infection and associated with anti-parasitic activity. We characterized the phenotype of blood MO from healthy malaria-exposed individuals and that of patients with acute uncomplicated malaria b...
Indoor residual spraying with DDT was the principle method by which malaria transmission was eradicated or greatly reduced in many countries between the late 1940s and 1970s. Since then, decreasing use of DDT has been associated with a resurgence of malaria in India, Sri Lanka, former Soviet Central Asia, Zanzibar, Venezuela and several other Latin American countries. In India and Zanzibar, DDT...
The relationship between malaria-related outcomes and cytokine production in whole blood cultures associated with cellular immune responses and immunity to Plasmodium falciparum malaria was examined in a study in southern Ghana. Production of malaria-specific interferon (IFN)-gamma was associated with reduced risk of fever and clinical malaria. Protective IFN-gamma responses were induced by liv...
Members of the Plasmodium falciparum Erythrocyte Membrane protein 1 (PfEMP1) family expressed on the surface of malaria-infected erythrocytes mediate binding of the parasite to different receptors on the vascular lining. This process drives pathologies, and severe childhood malaria has been associated with the expression of particular subsets of PfEMP1 molecules. PfEMP1 are grouped into subtype...
Effective resolution of malaria infection by avoiding pathogenesis requires regulated pro- to anti-inflammatory responses and the development of protective immunity. TLRs are known to be critical for initiating innate immune responses, but their roles in the regulation of immune responses and development of protective immunity to malaria remain poorly understood. In this study, using wild-type,...
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