Effects of hydroxyurea on malaria, parasite growth and adhesion in experimental models
2006
PINO, P. | TAOUFIQ, Z. | BRUN, M. | TEFIT, M. | FRANETICH, J.F. | Cicéron, L. | KRISHNAMOORTHY, R. | MAZIER, D.
We recently raised concern over using hydroxyurea (HU) in the treatment of sickle cell disease in areas endemic for malaria, becauseit up-regulates the endothelial surface expression of ICAM-1, a major receptor for Plasmodium falciparum-infected erythrocytes in the brain. Using human in vitro models of cerebral malaria, we evaluated the interaction of HU with parasites and demonstrated that HU pretreatment increased the number of infected red blood cells adhering to the endothelium, but did not increase endothelial apoptosis. Moreover, using an experimental cerebral malaria model, HU pretreatment was found to prevent significantly mice from developing neurological syndrome by inhibiting parasite growth, opening potential therapeutic avenues.
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