Abstract
Immunogold-silver staining of mixed rat cerebellar neuron/glial cell cultures, using Ranscht monoclonal antibody, resulted in labelling of neuronal processes and oligodendrocytes. This antibody was originally believed to react with galactocerebroside alone, and it was concluded that labelling by it resulted from the presence of myelin [2]. Electron microscopic examination of the cultures did not reveal myelination. Infection of such cultures with rubella virus resulted in a cytopathic effect. This effect was initially characterized as a disaggregation of neuronal processes, and the disruption of a layer of membranous material covering both cell bodies and processes. The virus causes disruption of cultures of pure glial cells, but there is no evidence of virus multiplication or cytopathic effect in pure neuron cultures. The cytopathic effect in mixed neuron/glial cell cultures is concluded to be glial cell mediated.
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