| Culture of glial cells isolated from the spinal cord of demyelinating mice infected with Theiler's virus:An immunocytochemical study |
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Tae-kyun Shin |
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Department of Veterinary Medicine, Cheju National University |
| Theiler's virus 에 감염된 마우스의 척수 신경교세포배양과 면역세포학적 관찰 |
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신태균 |
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제주대학교 수의학과 |
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| Abstract |
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The mechanisms of demyelination in Theiler's murine encephalomyelitis virus (TMEV)-induced chronic central nervous system(CNS) disease are still unclear and are probably multifactoral. This study was intended to culture spinal cord cells isolated from TMEV-induced demyelinating mice. By Percoll density centrifugation of enzymatically dissociated tissue, the cells were collected and then cultured on poly-L-lysine-coated plastic coverslips for 2 weeks. Oligodendrocytes, astrocytes and macrophages were identified using cell-type specific markers. Viral antigens were not present in oligodendrocytes and in astrocytes by double immunofluorescence. Affected mouse oligodendrocytes had less capacities of sheet formation and galactocerebroside immunoreactivity than those of control cell 3. These findings support the hypothesis that immune mediated mechanisms play an important role in the process of demyelination in this animal model. |
| Key Words:
picornavirus, demyelination, mouse, oligodendrocytes, astrocytes |
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