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Epilepsia. 2008 Jun;49(6):1066-74. doi: 10.1111/j.1528-1167.2008.01535.x. Epub 2008 Mar 6.

Seizures following picornavirus infection.

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Department of Pathology, University of Utah, Salt Lake City, Utah 84132-2305, USA.



We demonstrate the establishment and characterization of a novel virus infection-induced seizure model in C57BL/6 mice.


C57BL/6 mice were infected with Theiler's murine encephalomyelitis virus (TMEV) or mock infected. Mice were followed for seizures, weight change, body temperature, motor function (righting reflex, rotorod) and neurological manifestations (inflammation [perivascular cuffing], pyknotic neurons, transforming growth factor [TGF]-beta expression).


C57BL/6 mice are susceptible to seizures induced by TMEV infection. Approximately 50% of C57BL/6 mice develop transient afebrile seizures. Motor function and coordination are impaired in seized mice. Pyramidal neuron pyknosis and TGF-beta expression correlate with seizure activity in the hippocampus.


The characterization of this model will enable the investigation of viral and immune contributions in the central nervous system to the development of seizure disorders in humans.

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