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Christopher Keller

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Gordon A Awandare; Prakasha Kempaiah; Daniel O Ochiel; Paolo Piazza; Christopher C Keller; Douglas J Perkins
Mechanisms of erythropoiesis inhibition by malarial pigment and malaria-induced proinflammatory mediators in an in vitro model.
Christopher C Keller; Collins Ouma; Yamo Ouma; Gordon A Awandare; Gregory C Davenport; Were Tom; James B Hittner; John M Vulule; John M Ong'echa; Douglas J Perkins
Suppression of a novel hematopoietic mediator in children with severe malarial anemia.
John M Ong'echa; Allison M Remo; Jan Kristoff; James B Hittner; Were Tom; Collins Ouma; Richard O Otieno; John M Vulule; Christopher C Keller; Gordon A Awandare; Douglas J Perkins
Increased circulating interleukin (IL)-23 in children with malarial anemia: in vivo and in vitro relationship with co-regulatory cytokines IL-12 and IL-10.

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All Publications

2011: Gordon A Awandare; Prakasha Kempaiah; Daniel O Ochiel; Paolo Piazza; Christopher C Keller; Douglas J Perkins
Mechanisms of erythropoiesis inhibition by malarial pigment and malaria-induced proinflammatory mediators in an in vitro model.
American journal of hematology 2011;86(2):155-62.
2009: Christopher C Keller; Collins Ouma; Yamo Ouma; Gordon A Awandare; Gregory C Davenport; Were Tom; James B Hittner; John M Vulule; John M Ong'echa; Douglas J Perkins
Suppression of a novel hematopoietic mediator in children with severe malarial anemia.
Infection and immunity 2009;77(9):3864-71.
2008: John M Ong'echa; Allison M Remo; Jan Kristoff; James B Hittner; Were Tom; Collins Ouma; Richard O Otieno; John M Vulule; Christopher C Keller; Gordon A Awandare; Douglas J Perkins
Increased circulating interleukin (IL)-23 in children with malarial anemia: in vivo and in vitro relationship with co-regulatory cytokines IL-12 and IL-10.
Clinical immunology (Orlando, Fla.) 2008;126(2):211-21.
2007: Gordon A Awandare; Song Le; James B Hittner; Christopher C Keller; Ian A Clark; J Brice Weinberg; Douglas J Perkins
Higher production of peripheral blood macrophage migration inhibitory factor in healthy children with a history of mild malaria relative to children with a history of severe malaria.
The American journal of tropical medicine and hygiene 2007;76(6):1033-6.
2007: Gordon A Awandare; Yamo Ouma; Collins Ouma; Were Tom; Richard O Otieno; Christopher C Keller; Gregory C Davenport; James B Hittner; John M Vulule; Robert E Ferrell; John M Ong'echa; Douglas J Perkins
Role of monocyte-acquired hemozoin in suppression of macrophage migration inhibitory factor in children with severe malarial anemia.
Infection and immunity 2007;75(1):201-10.
2006: Were Tom; James B Hittner; Collins Ouma; Richard O Otieno; Alloys S S Orago; John M Ong'echa; John M Vulule; Christopher C Keller; Douglas J Perkins
Suppression of RANTES in children with Plasmodium falciparum malaria.
Haematologica 2006;91(10):1396-9.
2006: Gordon A Awandare; Collins Ouma; Christopher C Keller; Were Tom; Richard O Otieno; Y Ouma; Gregory C Davenport; James B Hittner; John M Ong'echa; Robert E Ferrell; Douglas J Perkins
A macrophage migration inhibitory factor promoter polymorphism is associated with high-density parasitemia in children with malaria.
Genes and immunity 2006;7(7):568-75.
2006: Christopher C Keller; Ouma Yamo; Collins Ouma; John M Ong'echa; David Ounah; James B Hittner; John M Vulule; Douglas J Perkins
Acquisition of hemozoin by monocytes down-regulates interleukin-12 p40 (IL-12p40) transcripts and circulating IL-12p70 through an IL-10-dependent mechanism: in vivo and in vitro findings in severe malarial anemia.
Infection and immunity 2006;74(9):5249-60.
2006: Christopher C Keller; Gregory C Davenport; Katherine R Dickman; James B Hittner; Sandra S Kaplan; J Brice Weinberg; Song Le; Douglas J Perkins
Suppression of prostaglandin E2 by malaria parasite products and antipyretics promotes overproduction of tumor necrosis factor-alpha: association with the pathogenesis of childhood malarial anemia.
The Journal of infectious diseases 2006;193(10):1384-93.
2006: Gordon A Awandare; James B Hittner; Song Le; Daniel O Ochiel; Christopher C Keller; J Brice Weinberg; Ian A Clark; Douglas J Perkins
Decreased circulating macrophage migration inhibitory factor (MIF) protein and blood mononuclear cell MIF transcripts in children with Plasmodium falciparum malaria.
Clinical immunology (Orlando, Fla.) 2006;119(2):219-25.
2006: Collins Ouma; Christopher C Keller; Dorothy A Opondo; Were Tom; Richard O Otieno; Michael F Otieno; Alloys S S Orago; John M Ong'echa; John M Vulule; Robert E Ferrell; Douglas J Perkins
Association of FCgamma receptor IIA (CD32) polymorphism with malarial anemia and high-density parasitemia in infants and young children.
The American journal of tropical medicine and hygiene 2006;74(4):573-7.
2006: John M Ong'echa; Christopher C Keller; Were Tom; Collins Ouma; Richard O Otieno; Zachary Landis-Lewis; Daniel Ochiel; Jamie L Slingluff; Stephen Mogere; George A Ogonji; Alloys S S Orago; John M Vulule; Sandra S Kaplan; Richard D Day; Douglas J Perkins
Parasitemia, anemia, and malarial anemia in infants and young children in a rural holoendemic Plasmodium falciparum transmission area.
The American journal of tropical medicine and hygiene 2006;74(3):376-85.
2006: Richard O Otieno; Collins Ouma; John M Ong'echa; Christopher C Keller; Were Tom; Eliud N Waindi; Marian G Michaels; Richard D Day; John M Vulule; Douglas J Perkins
Increased severe anemia in HIV-1-exposed and HIV-1-positive infants and children during acute malaria.
AIDS (London, England) 2006;20(2):275-80.
2005: Benjamin K Nti; Jamie L Slingluff; Christopher C Keller; James B Hittner; John M Ong'echa; Michael Murphey-Corb; Douglas J Perkins
Stage-specific effects of Plasmodium falciparum-derived hemozoin on blood mononuclear cell TNF-alpha regulation and viral replication.
AIDS (London, England) 2005;19(16):1771-80.
2005: Daniel O Ochiel; Gordon A Awandare; Christopher C Keller; James B Hittner; Song Le; J Brice Weinberg; Douglas J Perkins
Differential regulation of beta-chemokines in children with Plasmodium falciparum malaria.
Infection and immunity 2005;73(7):4190-7.
2004: Christopher C Keller; Song Le; James B Hittner; Mary A Misukonis; J Brice Weinberg; Douglas J Perkins
Elevated nitric oxide production in children with malarial anemia: hemozoin-induced nitric oxide synthase type 2 transcripts and nitric oxide in blood mononuclear cells.
Infection and immunity 2004;72(8):4868-73.
2004: Christopher C Keller; James B Hittner; Benjamin K Nti; J Brice Weinberg; Song Le; Douglas J Perkins
Reduced peripheral PGE2 biosynthesis in Plasmodium falciparum malaria occurs through hemozoin-induced suppression of blood mononuclear cell cyclooxygenase-2 gene expression via an interleukin-10-independent mechanism.
Molecular medicine (Cambridge, Mass.) 2004;10(1-6):45-54.