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|dc.contributor.author||Hui Mien Hsiao||en_US|
|dc.contributor.author||Aftab A. Ansari||en_US|
|dc.contributor.author||Guey Chuen Perng||en_US|
|dc.contributor.other||Emory University School of Medicine||en_US|
|dc.contributor.other||Thailand National Center for Genetic Engineering and Biotechnology||en_US|
|dc.identifier.citation||Blood. Vol.115, No.9 (2010), 1823-1834||en_US|
|dc.description.abstract||Lack of a dengue hemorrhagic animal model recapitulating human dengue virus infection has been a significant impediment in advancing our understanding of the early events involved in the pathogenesis of dengue disease. In efforts to address this issue, a group of rhesus macaques were intravenously infected with dengue virus serotype 2 (strain 16 681) at 1 × 107 PFU/animal. A classic dengue hemorrhage developed 3 to 5 days after infection in 6 of 6 animals. Blood chemistry appeared to be normal with exception of creatine phosphokinase, which peaked at 7 days after infection. A modest thrombocytopenia and noticeable neutropenia concomitant with slight decrease of hemoglobin and hematocrit were registered. In addition, the concentration of D-dimer was elevated significantly. Viremia peaked at 3 to 5 days after infection followed by an inverse relationship between T and B lymphocytes and a bimodal pattern for platelet-monocytes and platelet-neutrophil aggregates. Dengue virus containing platelets engulfed by monocytes was noted at 8 or 9 days after infection. Thus, rhesus macaques inoculated intravenously with a high dose of dengue virus produced dengue hemorrhage, which may provide a unique platform to define the early events in dengue virus infection and help identify which blood components contribute to the pathogenesis of dengue disease. © 2010 by The American Society of Hematology.||en_US|
|dc.subject||Biochemistry, Genetics and Molecular Biology||en_US|
|dc.subject||Immunology and Microbiology||en_US|
|dc.title||Dengue virus - Induced hemorrhage in a nonhuman primate model||en_US|
|Appears in Collections:||Scopus 2006-2010|
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