Anticonvulsant Prolongation of Survival in Adult Murine Lymphocytic Choriomeningitis

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Abstract
Lymphocytic choriomeningitis virus-induced central nervous system disease is characterized by death during a seizure approximately seven days after intracerebral inoculation. This process is mediated by thymus dependent lymphocytes, sensitized against viral antigens. Various forms of immunosuppressive treatment prevent the seizure death and produce persistently infected survivors. In this study, anticonvulsant treatment (particularly diazepam treatment) of LCM virus infected mice prolonged survival without affecting viral replication, or suppressing immune responsiveness. This prolongation of life did not lead to a reversal of pathologic processes and there were no survivors. However, anticonvulsant treatment permitted study of more advanced stages of the choriomeningitis than has previously been possible.

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