Table 6Characteristics of CNS Infections

VirusMode of entryCells infecteda Pathologic featuresb Location of lesionsc References
Cas-Br-E MLVhematogeneous spread brain capillary endothelial cellsmicrogliaspongiform lesions; gliosis, neuronal loss; demyelinationlumbar spinal cord; cerebellar nuclei; brain stemLynch et al. (1991); Gravel et al. (1993)
ts1 Mo-MLVhematogeneous spread brain capillary endothelial cellsmicrogliaspongiform lesions, gliosis; neuronal loss; demyelination cerebral cortex; lumbar spinal cord; brain stem; cerebellar nuclei Zachary et al. (1986); Baszlar and Zachary 1990, 1991
ts-Mo-BA-1 MLVhematogeneous spread brain capillary endothelial cellsunknownspongiform lesions; gliosis; neuronal loss; demyelination cerebellar nuclei; brain stem; cervical spinal cord Bilello et al. (1986)
PVC-211hematogeneous spread brain capillary endothelial cellsendothelial cellsspongiform lesions; gliosis; neuronal loss; demyelination cerebellar subcortex; brain stem; spinal cord Kai and Furuta (1984); Hoffman et al. (1992a)
NT40 MLVhematogeneous spread brain capillary endothelial cellsendothelial cells, microgliaspongiform lesions brain stem; cerebellum Czub et al. (1995)
FMCF98 MLVhematogeneous spread brain capillary endothelial cellsendothelial cells, glial cellsastrogliosis cerebellar cortex; deep cerebellar nuclei Portis et al. (1995)
TR1.3 MLVhematogeneous spread brain capillary endothelial cellsendothelial cellsintracerebral hemorrhage; endothelial cell lysisendothelial cells in white and grey matter Park et al. (1993, 1994b)
HTLV-1? infiltration of infected T cells unknownmeningitis; degeneration of pyramidal tracts; demyelination; inflammation spinal cord Gessain and Gout (1992)
MVV? infiltration of infected macrophages? oligodendrocytesdemyelination; inflammation; gliosis brain; spinal cord Narayan and Cork (1985); Georgsson (1994)
CAEV? infiltration of infected macrophagesunknown demyelination; inflammation; gliosis brain; spinal cord McGuire et al. (1990)
EIAV? infiltration of infected macrophagesunknowngliosisbrain; spinal cord; meninges Cheevers and McGuire (1988); Montelaro et al. (1993)
FIV? infiltration of infected macrophagesmicrogliagliosis; vacuolation; inflammation subcortex; mid-brain, thalamus; cerebral cortex Pedersen (1993)
SIV? infiltration of infected macrophagesmacrophages, microgliademyelination; vacuolation; multinucleate giant cellsbrain and spinal cord; leptomeningessee Chapter 11
HIV? infiltration of infected macrophagesmacrophages, microgliagliosis; demyelination; vacuolation; multinucleate giant cellswhite and gray matter; cerebral cortex; basal ganglia; hippocampus; spinal cordsee Chapter 11

(HTLV-1) Human T-cell leukemia virus, type 1; (MVV) maedi/visna virus; (CAEV) caprine arthritis encephalitis virus; (FIV) feline immunodeficiency virus; (EIAV) equine infectious anemia virus; (SIV) simian immunodeficiency virus; (HIV) human immunodeficiency virus; (FMCF) Friend mink cell focus-forming virus.

a

The cell types within the CNS that are prominently infected with the virus are listed.

b

The most commonly observed pathological changes are given.

c

The regions of the CNS that are most prominently affected are listed.

From: Neurological Diseases

Cover of Retroviruses
Retroviruses.
Coffin JM, Hughes SH, Varmus HE, editors.
Cold Spring Harbor (NY): Cold Spring Harbor Laboratory Press; 1997.
Copyright © 1997, Cold Spring Harbor Laboratory Press.

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