Wild-Type Puumala Hantavirus Infection Induces Cytokines, C-Reactive Protein, Creatinine, and Nitric Oxide in Cynomolgus Macaques

AUTOR(ES)

Klingström, J.

FONTE

American Society for Microbiology

RESUMO

Hantaviruses cause two severe human diseases: hemorrhagic fever with renal syndrome (HFRS) and hantavirus pulmonary syndrome (HPS). Approximately 200,000 cases are reported annually, and there is to date no specific treatment available. A major obstacle in studying the medical aspects of HFRS and HPS has been the lack of an adequate animal model. Here we show that infection of cynomolgus macaques by wild-type Puumala hantavirus resulted in typical signs of HFRS including lethargy, anorexia, proteinuria, and/or hematuria, in addition to cytokine (interleukin 6 [IL-6], IL-10, and tumor necrosis factor alpha), C-reactive protein, creatinine, and nitric oxide responses. Viral RNA was detected in plasma from days 3 to 7 postinoculation until days 24 to 28 postinoculation, infectious virus was recovered, and the virus-specific immune responses (immunoglobulin M [IgM], IgG, and neutralizing antibodies) mimicked those seen in humans. The results indicated that the monkey model will provide a valuable tool for studies of pathogenesis, candidate vaccines, and antivirals for hantavirus disease.

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