Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

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Immunohistochemical detection of prion protein in lymphoid tissues of sheep with natural scrapie
Keulen, L.J.M. van; Schreuder, B.E.C. ; Meloen, R.H. ; Mooij-Harkes, G. ; Vromans, M.E.W. ; Langeveld, J.P.M. - \ 1996
Journal of Clinical Microbiology 34 (1996)5. - ISSN 0095-1137 - p. 1228 - 1231.
The scrapie-associated form of the prion protein (PrP(Sc)) accumulates in the brain and lymphoid tissues of sheep with scrapie. In order to assess whether detecting PrP(Sc) in lymphoid tissue could he used as a diagnostic test for scrapie, we studied the localization and distribution of PrP(Sc) in various lymphoid tissues collected at necropsy from 55 sheep with clinical scrapie. Samples collected from the spleen, palatine tonsil, ileum, and five different lymph nodes were immunohistochemically stained for PrP(Sc), PrP(Sc) was found to be deposited in a reticular pattern in the center of both primary and secondary lymphoid follicles. In addition, granules of PrP(Sc) were seen in the cytoplasm in macrophages associated with the lymphoid follicles. In 54 (98%) of the 55 scrapie-affected sheep, PrP(Sc) was detected in the spleen, retropharyngeal lymph node, mesenteric lymph node, and the palatine tonsil. However, only in the palatine tonsils was PrP(Sc) present in a consistently high percentage of the lymphoid follicles. PrP was not detected in any of the lymphoid tissues of 12 sheep that had no neurohistopathological signs of a scrapie infection. We conclude that the tonsils are the best-suited lymphoid tissue to be biopsied for the detection of PrP(Sc) in the diagnosis of clinical scrapie in living sheep.
lmmunohistochemical detection and localization of prion protein in brain tissue of sheep with natural scrapie
Keulen, L.J.M. van; Schreuder, B.E.C. ; Meloen, R.H. ; Poelen-van der Berg, M. ; Mooij-Harkes, G. ; Vromans, M.E.W. ; Langeveld, J.P.M. - \ 1995
Veterinary Pathology 32 (1995). - ISSN 0300-9858 - p. 299 - 308.
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