1887

Abstract

Simian varicella virus (SVV) causes a natural varicella-like disease in nonhuman primates. Outbreaks of simian varicella occur sporadically in primate facilities. Simian varicella is used as a model for investigation of varicella-zoster virus (VZV) pathogenesis and latency. In this study, SVV gene expression and histopathology were analysed in tissues of acutely infected vervet monkeys. RT–PCR analysis demonstrated expression of specific SVV immediate early, early and late genes in the skin, lung, liver and ganglia tissues of acutely infected monkeys. Viral antigen expression and histopathology, including necrosis and inflammation, were detected in the skin, lungs, liver and spleen of infected monkeys by immunohistochemical analysis. Viral antigen expression, but little or no histopathology, was evident in the neural ganglia, the eventual site of viral latency. The study provides a foundation for further investigation on the role of viral genes in varicella pathogenesis and latency.

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2002-04-01
2019-12-13
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