antimalarial/hypoxia

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The anti-malarial atovaquone increases radiosensitivity by alleviating tumour hypoxia.

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Tumour hypoxia renders cancer cells resistant to cancer therapy, resulting in markedly worse clinical outcomes. To find clinical candidate compounds that reduce hypoxia in tumours, we conduct a high-throughput screen for oxygen consumption rate (OCR) reduction and identify a number of drugs with

Influence of altered acid-base balance and anoxia upon the physiological disposition of certain antimalarial drugs.

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[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.

4-[3-(2-Nitro-1-imidazolyl)propylamino]-7-chloroquinoline hydrochloride (NLCQ-1), a novel bioreductive compound as a hypoxia-selective cytotoxin.

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A novel weakly DNA-intercalative bioreductive compound. 4-[3-(2-nitro-1-imidazolyl)-propylamino]-7-chloroquinoline hydrochloride (NLCQ-1). has been synthesized and studied as a hypoxia-selective cytotoxin in vitro. NLCQ-1, which shares a similar structure with the DNA-intercalative antimalarial drug

Ferroquine, the next generation antimalarial drug, has antitumor activity.

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Despite the tremendous progress in medicine, cancer remains one of the most serious global health problems awaiting new effective therapies. Here we present ferroquine (FQ), the next generation antimalarial drug, as a promising candidate for repositioning as cancer therapeutics. We report that FQ

Hypoxia modulates the effect of dihydroartemisinin on endothelial cells.

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Artemisinin derivatives, the current cornerstone of malaria treatment, possess also anti-angiogenic and anti-tumor activity. Hypoxia plays a crucial role both in severe malaria (as a consequence of the cytoadherence of infected erythrocytes to the microvasculature) and in cancer (due to the

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

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

Therapeutic effects of artesunate in hepatocellular carcinoma: repurposing an ancient antimalarial agent.

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OBJECTIVE Artemisinins are antimalarial drugs that exert potent anticancer activity. We evaluated the effects of artesunate, a semisynthetic derivative of artemisinin, on tumor growth, angiogenesis, the unfolded protein response, and chemoresistance in hepatocellular carcinoma. METHODS The effect of

Anticancer Effect of AntiMalarial Artemisinin Compounds.

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The anti-malarial drug artemisinin has shown anticancer activity in vitro and animal experiments, but experience in human cancer is scarce. However, the ability of artemisinins to kill cancer cells through a variety of molecular mechanisms has been explored. A PubMed search of about 127 papers on

Effects of Antimalarial Drugs on Neuroinflammation-Potential Use for Treatment of COVID-19-Related Neurologic Complications

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The SARS-CoV-2 virus that is the cause of coronavirus disease 2019 (COVID-19) affects not only peripheral organs such as the lungs and blood vessels, but also the central nervous system (CNS)-as seen by effects on smell, taste, seizures, stroke, neoropathological findings and possibly, loss of

Thrombin Cleavage of Plasmodium falciparum Erythrocyte Membrane Protein 1 Inhibits Cytoadherence.

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Plasmodium falciparum malaria remains one of the most deadly infections worldwide. The pathogenesis of the infection results from the sequestration of infected erythrocytes (IRBC) in vital organs, including the brain, with resulting impairment of blood flow, hypoxia, and lactic acidosis.

A report of cerebral malaria treated with automated red blood cell exchange.

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Adjunctive automated whole blood or red blood cell exchange (RBCEx) can rapidly decrease malarial hyperparasitemia. Several case reports and series suggest improvement in clinical symptomatology; however, recent Centers of Disease Control and Prevention (CDC) recommendations concluded that RBCEx has

Plasmapheresis in severe methemoglobinemia following occupational exposure.

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Ferrous iron can be converted to ferric iron by oxidative stress which results in the formation of methemoglobin. Consequently, the oxygen dissociation curve is shifted to the left, which leads to tissue hypoxia and ultimately may cause death. Acquired methemoglobinemia can be due to a host of

In vitro activity of mitochondrial ATP synthetase inhibitors against Plasmodium falciparum.

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The mitochondrion appears to be essential for the growth of asexual, intraerythrocytic stages of Plasmodium falciparum and may thus be a suitable chemotherapeutic target. The in vitro activity of almitrine, a mitochondrial ATP synthetase inhibitor used for the treatment of hypoxemia, was compared

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