In vivo and in vitro models of demyelinating disease: JHM virus in the rat central nervous system localized by in situ cDNA hybridization and immunofluorescent microscopy. |
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Authors: | O Sorensen and S Dales |
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Abstract: | In situ probing of central nervous system (CNS) tissues has made it possible to associate the presence of JHM virus (JHMV) RNA with individual cells in the rat CNS. The presence of viral RNA was not always associated with antigen expression. The in situ hybridization revealed that cerebellar Purkinje cells and hippocampal neurons were highly susceptible to JHMV infection during either acute or paralytic disease. In the paralytic disease, Purkinje cell neurons frequently contained viral RNA. This observation suggests that these neurons, and perhaps others, may be repositories for JHMV in rats that undergo prolonged infections. |
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