Summary
To investigate a possible interaction between the SSPE agent and papovaviruses, histopathological and statistical evaluations were made of encephalitis induced in hamsters by intracerebral inoculation with isolates from SSPE and PML patients, and with BK virus, alone or in combination.
With SSPE virus alone, hamster brains showed a reduction of susceptibility to encephalitis with increasing age. A modification of the pathology of SSPE encephalitis was observed after administration of the PML isolate or BK virus: encephalitis was either enhanced or inhibited depending on the time the papovaviruses were administered. A possible mechanism of interaction between SSPE and papovaviruses is briefly discussed.
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Supported in part by the National Multiple Sclerosis Society, John A. Hartford, Inc. and by USPHS research grant NS-11036 from The National Institute of Neurological Diseases and Stroke.
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Yamamoto, T., Koprowski, H. A study on the influence of papovavirus upon encephalitis caused by SSPE agent. Acta Neuropathol 31, 159–169 (1975). https://doi.org/10.1007/BF00688150
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DOI: https://doi.org/10.1007/BF00688150