The pathogenesis of spinal cord involvement in the encephalomyelitis of mice caused by neuroadapted Sindbis virus infection

A. C. Jackson, T. R. Moench, Diane Griffin, Richard Johnson

Research output: Contribution to journalArticle

Abstract

Weanling mice develop an acute encephalomyelitis with high mortality after intracerebral inoculation of neuroadapted Sindbis virus. The mice develop kyphoscoliosis and hindlimb paralysis. Immunohistochemical and in situ hybridization studies have demonstrated virus in the gray matter of the brain and spinal cord. Ventral horn cells are prominently infected, providing an anatomical basis for the clinical poliomyelitis. A novel route of spread of inoculated virus within the central nervous system has been found. The virus enters the ventricular system and then travels caudally in the central canal of the spinal cord where ependymal cells are infected. The virus subsequently spreads into the gray matter. The distribution of virus in the spinal cord is likely dependent both on variations in the susceptibility of neural cells and on this route of entry and subsequent spread.

Original languageEnglish (US)
Pages (from-to)418-423
Number of pages6
JournalLaboratory Investigation
Volume56
Issue number4
StatePublished - 1987

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Sindbis Virus
Encephalomyelitis
Virus Diseases
Spinal Cord
Viruses
Anterior Horn Cells
Poliomyelitis
Hindlimb
Paralysis
In Situ Hybridization
Central Nervous System
Mortality
Brain

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

The pathogenesis of spinal cord involvement in the encephalomyelitis of mice caused by neuroadapted Sindbis virus infection. / Jackson, A. C.; Moench, T. R.; Griffin, Diane; Johnson, Richard.

In: Laboratory Investigation, Vol. 56, No. 4, 1987, p. 418-423.

Research output: Contribution to journalArticle

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