Human cerebral malaria and the blood-brain barrier

International Journal for Parasitology
Isabelle M Medana, Gareth D Turner

Abstract

Malaria represents a continuing and major global health challenge and our understanding of how the Plasmodium parasite causes severe disease and death remains poor. One serious complication of the infection is cerebral malaria, a clinically complex syndrome of coma and potentially reversible encephalopathy, associated with a high mortality rate and increasingly recognised long-term sequelae in survivors. Research into the pathophysiology of cerebral malaria, using a combination of clinical and pathological studies, animal models and in vitro cell culture work, has focussed attention on the blood-brain barrier (BBB). This represents the key interface between the brain parenchyma and the parasite, which develops within an infected red cell but remains inside the vascular space. Studies of BBB function in cerebral malaria have provided some evidence for parasite-induced changes secondary to sequestration of parasitised red blood cells and host leukocytes within the cerebral microvasculature, such as redistribution of endothelial cell intercellular junction proteins and intracellular signaling. However, the evidence for a generalised increase in BBB permeability, leading to cerebral oedema, is conflicting. As well as direct cell ad...Continue Reading

Associated Clinical Trials

Aug 8, 2019·Dr. Jürgen May

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