Abstract:
:Mice and rats are found to be equally susceptible to developing symmetrical brain stem lesions on exposure to alpha-chlorohydrin and in both species the earliest neurotoxic changes are strictly confined to glial cells, particularly astrocytes; haemorrhages are not found in either species. Minimal evidence of increased vascular leakage of horse-radish peroxidase (HRP) in rats is shown by increased HRP content of perivascular cells within the lesions. Later macrophage invasion and capillary proliferation is accompanied by rare focal leakiness of HRP. Gross astrocytic damage, therefore, does not necessarily impair integrity of the blood-brain barrier. While early in intoxication, astrocytes are severely distended with fluid and their organelles seriously disorganized, they do not die but rapidly regenerate their processes. They thus appear to undergo a process of 'clasmatodendrosis' from which they recover. Comparisons are made with the genesis of symmetrical brain stem lesions in other acute energy deprivation syndromes, including Wernicke's encephalopathy.
journal_name
Neuropathol Appl Neurobioljournal_title
Neuropathology and applied neurobiologyauthors
Cavanagh JB,Nolan CC,Seville MPdoi
10.1111/j.1365-2990.1993.tb00434.xsubject
Has Abstractpub_date
1993-06-01 00:00:00pages
240-52issue
3eissn
0305-1846issn
1365-2990journal_volume
19pub_type
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journal_title:Neuropathology and applied neurobiology
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doi:10.1111/j.1365-2990.1978.tb01357.x
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journal_title:Neuropathology and applied neurobiology
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journal_title:Neuropathology and applied neurobiology
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journal_title:Neuropathology and applied neurobiology
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journal_title:Neuropathology and applied neurobiology
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journal_title:Neuropathology and applied neurobiology
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doi:10.1111/j.1365-2990.1993.tb00445.x
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journal_title:Neuropathology and applied neurobiology
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doi:10.1111/j.1365-2990.1989.tb01245.x
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journal_title:Neuropathology and applied neurobiology
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更新日期:1997-02-01 00:00:00
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更新日期:2000-04-01 00:00:00
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journal_title:Neuropathology and applied neurobiology
pub_type: 杂志文章
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更新日期:1998-02-01 00:00:00
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journal_title:Neuropathology and applied neurobiology
pub_type: 杂志文章
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更新日期:1982-07-01 00:00:00
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journal_title:Neuropathology and applied neurobiology
pub_type: 杂志文章
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更新日期:1978-07-01 00:00:00
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更新日期:2013-10-01 00:00:00
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journal_title:Neuropathology and applied neurobiology
pub_type: 杂志文章
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更新日期:1989-01-01 00:00:00
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journal_title:Neuropathology and applied neurobiology
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更新日期:2007-06-01 00:00:00
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journal_title:Neuropathology and applied neurobiology
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