Nov 1, 1989

Inhibition of the transport of rabies virus in the central nervous system

Journal of Neuropathology and Experimental Neurology
P E CeccaldiH Tsiang

Abstract

The effect of colchicine, an inhibitor of axonal transport, on the spread of rabies virus in the central nervous system was investigated using Wistar rats. Colchicine was inoculated into the striatum at various times before and after inoculation of rabies virus into the same site. Rats were killed at various times after viral inoculation and the spread of rabies virus was monitored by rabies immunofluorescence of selected areas of brain. The most effective inhibitory effect was obtained by colchicine treatment applied two days before virus inoculation. Under these conditions, no fluorescent foci could be detected until day 3 post-infection whereas control rats exhibited infected cells as soon as two days post-infection. This inhibitory effect is reversible and the general consequence seems to be a delay in the rate of viral spread. However, five days after the virus challenge, some major brain areas were still partially preserved from infection (striatum, frontal cortex, pyriform cortex). Ten days after colchicine treatment, the microtubules have recovered their capacity to transport the virus. At the onset of paralysis, the general pattern of infection in brain sections from colchicine-treated rats was not significantly differ...Continue Reading

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Mentioned in this Paper

Rabies virus
Immunofluorescence Assay
Patterns
Axonal Transport
Virus
Neostriatum
Structure of Lateral Olfactory Gyrus
Stereotaxic Techniques
August Rats
Brain

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