2011
DOI: 10.1016/j.vetmic.2010.06.028
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An assessment of the efficiency of PrPsc detection in rectal mucosa and third-eyelid biopsies from animals infected with scrapie

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Cited by 27 publications
(32 citation statements)
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“…Obtained results indicate that the 2/2 positive controls (goat and sheep) (Figure 2), always presented the red granular immunoprecipitate, in addition to vacuoles that indicate the presence of the prion associated with scrapie, and that agrees with the described by other authors [1,10]. Unlike the 2/2 negative controls and all 50/50 samples of national goats obex (Figure 3), in which immuno precipítate was not observed, nor were vacuoles or spongioses of nervous tissue.…”
Section: Ihcsupporting
confidence: 88%
See 1 more Smart Citation
“…Obtained results indicate that the 2/2 positive controls (goat and sheep) (Figure 2), always presented the red granular immunoprecipitate, in addition to vacuoles that indicate the presence of the prion associated with scrapie, and that agrees with the described by other authors [1,10]. Unlike the 2/2 negative controls and all 50/50 samples of national goats obex (Figure 3), in which immuno precipítate was not observed, nor were vacuoles or spongioses of nervous tissue.…”
Section: Ihcsupporting
confidence: 88%
“…Despite the longer time required for its performance, compared to the so-called "rapid" tests such as ELISA and Western Blot [17], the IHC has important advantages, since it can be performed in tissues other than CNS tissue achieving excellent results [10]. It is possible to affirm that immunohistochemistry is the most reliable, secure and confirmatory test for the diagnosis of scrapie, in relation to other immunodiagnostic techniques, such as rapid tests, and it is recognized by the OIE since 2000.…”
Section: Discussionmentioning
confidence: 99%
“…Além disso, questiona-se se entre os ovinos avaliados não teriam mais portadores assintomáticos uma vez que, de acordo com Monleón et al (2011), a sensibilidade do tecido linfóide resultante de biópsias da mucosa retal e da terceira pálpebra é, no máxi-mo, de 48% e 44% respectivamente. Isto porque, segundo Van Keulen et al (1996) e Dennis et al (2009),um número relativamente alto de animais infectados apresenta um mí-nimo ou não apresenta envolvimento do tecido durante a patogênese de scrapie.…”
Section: Discussionunclassified
“…Segundo González et al (14) e Monleón et al (19) , o número de FL na mucosa retal diminui com a idade, desta forma, animais jovens apresentam maior número de FL que os animais mais velhos.…”
Section: Discussionunclassified
“…Para caprinos, houve uma redução no número de FL no dia 28, apesar dos dias 14 e 21 não apresentarem redução, o que poderia ter ocorrido por falha de colheita. Na comparação do número de FL entre ovinos e caprinos, diferente de Monléon et al (19) , que relataram um número de FL maior em ovinos, não foi observada influência da espécie, exceto no dia 28. O número reduzido de FL neste dia 28 para caprinos, conforme explicado anteriormente, poderia ter ocorrido por falha de colheita.…”
Section: Discussionunclassified