Motor and somatosensory evoked potentials in mice infected with Theiler's murine encephalomyelitis virus

Brian A. Iuliano, James D. Schmelzer, Roger L. Thiemann, Phillip Anson Low, Moses Rodriguez

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We used an in vivo technique to record spinal motor and somatosensory evoked potentials in SJL/J and B10 mice chronically (4-10 months) infected with Daniel's strain of Theiler's murine encephalomyelitis virus (TMEV). SJL/J mice demonstrated primary spinal cord demyelination with chronic TMEV infection, whereas B10 mice were resistant to TMEV induced demyelination. Analysis based on the velocity of the initial peak of evoked responses demonstrated significantly slower conduction velocities in infected SJL/J mice as compared to age-matched uninfected SJL/J controls (p < 0.01) and infected B10 mice (p < 0.01). We noted no significant differences in conduction velocities of spinal evoked potentials recorded between uninfected SJL/J mice, uninfected B10 mice and infected B10 mice. Chronic infection with TMEV in susceptible SJL/J mice is associated with slowed conduction of spinal motor and somatosensory evoked potentials. This sensitive electrophysiologic assay will provide an in vivo method to test therapeutic regimens to inhibit demyelination or promote remyelination.

Original languageEnglish (US)
Pages (from-to)186-194
Number of pages9
JournalJournal of the Neurological Sciences
Volume123
Issue number1-2
DOIs
StatePublished - 1994

Fingerprint

Theilovirus
Motor Evoked Potentials
Somatosensory Evoked Potentials
Demyelinating Diseases
Virus Diseases
Evoked Potentials
Spinal Cord

Keywords

  • Conduction
  • Demyelination
  • Electrophysiology
  • Multiple sclerosis
  • Myelin
  • Neurophysiology
  • Spinal cord

ASJC Scopus subject areas

  • Aging
  • Clinical Neurology
  • Surgery
  • Neuroscience(all)
  • Developmental Neuroscience
  • Neurology

Cite this

Motor and somatosensory evoked potentials in mice infected with Theiler's murine encephalomyelitis virus. / Iuliano, Brian A.; Schmelzer, James D.; Thiemann, Roger L.; Low, Phillip Anson; Rodriguez, Moses.

In: Journal of the Neurological Sciences, Vol. 123, No. 1-2, 1994, p. 186-194.

Research output: Contribution to journalArticle

Iuliano, Brian A. ; Schmelzer, James D. ; Thiemann, Roger L. ; Low, Phillip Anson ; Rodriguez, Moses. / Motor and somatosensory evoked potentials in mice infected with Theiler's murine encephalomyelitis virus. In: Journal of the Neurological Sciences. 1994 ; Vol. 123, No. 1-2. pp. 186-194.
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