Suppression of RANTES in children with Plasmodium falciparum malaria.
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Date
2006-10
Authors
Were, T.
Hittner, James B.
Ouma, C.
Otieno, Richard O.
Orago, A. S.
Ong'echa, J. M.
Vulule, J. M.
Keller, C. C.
Perkins, D. J.
Journal Title
Journal ISSN
Volume Title
Publisher
Haematologica
Abstract
Severe malarial anemia (MA) is the primary manifestation of severe malaria among children in areas of holoendemic Plasmodium falciparum transmission. Although overproduction of inflammatory-derived cytokines are implicated in the immunopathogenesis of severe MA, chemokines such as regulated on activation, normal T-cell expressed and secreted (RANTES, CCL5) are largely unexplored in childhood malaria. We found that RANTES is decreased during severe MA (p<0.01), and associated with suppression of erythropoiesis (p<0.05) and malaria-induced thrombocytopenia (p<0.05). These findings suggest that thrombocytopenia may be a source of reduced RANTES which may contribute, at least in part, to suppression of erythropoiesis in children with malarial anemia.
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Citation
Haematologica. 2006 Oct;91(10):1396-9.