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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 43 (1978), S. 69-75 
    ISSN: 1432-0533
    Keywords: Canine distemper ; Encephalomyelitis ; Malacia ; Pseudomyxovirus ; Crystalloid aggregates ; Tubuloreticular aggregates ; Picormavirus ; Arenavirus ; Vaccination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A 4-months-old, male, healthy dog developed CNS-symptoms 10 days after the second vaccination with live, attenuated distemper and canine hepatitis virus. The animal was euthanized after 2 weeks of illness. Light and electron microscopic examination of the CNS showed a partly necrotizing encephalomyelitis with numerous intranuclear and intracytoplasmic inclusion bodies, and the presence of probable pseudomyxovirus nucleocapsids and of crystalloid and tubuloreticular aggregates. Although there was conformity of inclusion bodies and probable viral structures as revealed by electron microscopy, the latter showed a much wider distribution. In addition, viral structures of a different type were found in polymorphonuclear leukocytes and vascular endothelial cells. Several morphological criteria led to the supposition that they are Picornaviruses, or possibly Arenaviruses. It is thought that their role in the disease process was at best an indirect one.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 50 (1980), S. 57-60 
    ISSN: 1432-0533
    Keywords: Alexander's diseases (AD) ; Encephalopathy ; Rosenthal fibers (RFs) ; Sheep
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In the brain of a 4-year-old ewe extensive Rosenthal fiber (RF) formation was found in a subpial and subependymal location and in particular in the cerebellar white matter. Here, the RFs were concentrated around blood vessels, and there was diffuse myelin rarefaction. The animal had given birth to two lambs, which were still healthy at the age of 3 weeks when their mother died after a short illness with astasia and alternating states of somnolence and hyperexcitability.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0533
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In this report we document the results of several independent studies testing the sensitivity, specificity and reliability of the Prionics Western blotting (PWB) procedure to detect bovine and ovine disease-specific, protease-resistant prion protein (PrPSc). Validation of the technique was obtained by blind analysis of samples from cattle affected with bovine spongiform encephalopathy (BSE), clinically normal animals or cattle with neurological diseases unrelated to BSE. Overall, very high sensitivity, specificity and reliability was observed. It became clear that sampling of the correct brain region and the method used for protein extraction are important factors for correct diagnosis. Furthermore, we tested the usefulness of the PWB technique as an instrument for surveillance purposes. We analyzed animals from a culling scheme as well as older animals from abattoirs to determine the number of subclinical BSE cases detectable by histopathological examination, immunohistochemistry for PrPSc and PWB. In both studies, BSE-affected animals with no overt clinical symptoms were detected. These results demonstrate the usefulness of the PWB procedure in surveillance systems serving as a rapid diagnostic tool to identify animals subclinically infected with BSE.
    Type of Medium: Electronic Resource
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