malaria/hypoxia

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Hypoxia promotes liver-stage malaria infection in primary human hepatocytes in vitro.

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Homeostasis of mammalian cell function strictly depends on balancing oxygen exposure to maintain energy metabolism without producing excessive reactive oxygen species. In vivo, cells in different tissues are exposed to a wide range of oxygen concentrations, and yet in vitro models almost exclusively

Increased CD11b and Hypoxia-Inducible Factors-1alpha Expressions in the Lung Tissue and Surfactant Protein-D Levels in Serum Are Related with Acute Lung Injury in Severe Malaria of C57BL/6 Mice.

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BACKGROUND We aimed to reveal the role of CD11b and hypoxia-inducible factors-1alpha (HIF-1α) expressions on monocytes and alveolar macrophages of lung tissue, and the levels of serum surfactant protein-D (SP-D) in severe malaria-associated acute lung injury (ALI). METHODS The C57BL/6 mice were

Placental hypoxia during placental malaria.

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BACKGROUND Placental malaria causes fetal growth retardation (FGR), which has been linked epidemiologically to placental monocyte infiltrates. We investigated whether parasite or monocyte infiltrates were associated with placental hypoxia, as a potential mechanism underlying malarial FGR. METHODS We

[Trends of tissue hypoxia following chemotherapy of acute malaria in mice].

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The effects of antimalarial treatment on the blood oxygen-transporting properties and on the tissue hypoxia were investigated in severe murine malaria, using mice infected with Plasmodium berghei (NK65). Five week old male ddY mice were inoculated intraperitoneally with 1 X 10(7) of P.

CNS hypoxia is more pronounced in murine cerebral than noncerebral malaria and is reversed by erythropoietin.

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Cerebral malaria (CM) is associated with high mortality and risk of sequelae, and development of adjunct therapies is hampered by limited knowledge of its pathogenesis. To assess the role of cerebral hypoxia, we used two experimental models of CM, Plasmodium berghei ANKA in CBA and C57BL/6 mice, and

Inhibition of hypoxia-associated response and kynurenine production in response to hyperbaric oxygen as mechanisms involved in protection against experimental cerebral malaria.

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Cerebral malaria (CM) is a multifactorial syndrome involving an exacerbated proinflammatory status, endothelial cell activation, coagulopathy, hypoxia, and accumulation of leukocytes and parasites in the brain microvasculature. Despite significant improvements in malaria control, 15% of mortality is

Accumulation of CD4 and CD8 T Cells in Placenta of Malaria Infected Mice Induces the Expression of Hypoxia Inducible Factor-1α (HIF-1α) and Low Birth Weight (LBW) of the Fetus.

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Placental malaria involves the sequestration of infected erythrocytes and infiltration of monocytes, helper T cells (CD4), cytotoxic T cells (CD8) as well as T-cell intracellular antigen-1 (TIA-1) in placental intervillous space. These may interferes the nutrient and oxygen transport,

Hypoxemia predicts death from severe falciparum malaria among children under 5 years of age in Nigeria: the need for pulse oximetry in case management.

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BACKGROUND Oxygen saturation is a good marker for disease severity in emergency care. However, studies have not considered its use in identifying individuals infected with Plasmodium falciparum at risk of deaths. OBJECTIVE To investigate the prevalence and predictive value of hypoxaemia for deaths

The anti-malaria agent artesunate inhibits expression of vascular endothelial growth factor and hypoxia-inducible factor-1α in human rheumatoid arthritis fibroblast-like synoviocyte.

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Increasing evidence indicates that the anti-malarial agent artemisinin and its derivatives may exert anti-angiogenic effect. In the present study, we explored the effect of artesunate, a artemisinin derivative, on TNFα- and hypoxia-induced expression of hypoxia inducible factor-1α (HIF-1α) and

The effects of hypoxia on the ERG in paediatric cerebral malaria.

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OBJECTIVE Cerebral malaria (CM) is a disease of high mortality worldwide. It can be associated with malarial retinopathy (MR) resulting from impaired perfusion within the retinal microvasculature. Areas of capillary non-perfusion (CNP) appear white (retinal whitening) on ophthalmoloscopy. In this

Effect of Altitude Anoxia in Provoking Relapse in Malaria.

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Effect of altitude anoxia in provoking relapse in malaria.

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Occult carboxyhemoglobinemia and hypoxemia in a patient with malaria.

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Submicroscopic infection of placenta by Plasmodium produces Th1/Th2 cytokine imbalance, inflammation and hypoxia in women from north-west Colombia.

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BACKGROUND A large-scale study was set up in order to study the epidemiology, clinical aspects, and immunopathology of gestational and placental malaria in north-west Colombia. In this region, recent reports using a qPCR technique, confirmed frequencies of infection, by Plasmodium falciparum or

Fatal malaria in a German couple returning from Burkina Faso.

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We report on a German couple found dead at home 7 days after returning from Burkina Faso. Postmortem evaluation revealed Plasmodium falciparum infection with a parasitemia of approximately 80% in both cases. No pathological findings of the organs were present at autopsy except moderate splenomegaly

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