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Table 2 Disease specific PrP (PrPd) detection in gastrointestinal tract and associated lymphoid and nervous tissues in pre-clinical stages of disease

From: Accumulation and dissemination of prion protein in experimental sheep scrapie in the natural host

Tissue Time post infection (days)
Number positive/number examined
  (21) (28) (55) (81) (110) (147)
Distal ileum Peyer's patch 1/3 5/6 8/8 10/10 10/10 3/3
Jejunum Peyer's patch 0/3 1/4 6/8 8/10 9/9 3/3
Mesenteric lymph node 0/3 0/6 1/8 7/10 10/10 3/3
Palatine tonsil 0/3 1/6 4/7 9/10 9/10 3/3
Pharyngeal tonsil 0/3 0/6 3/8 8/10 10/10 2/3
Medial retropharyngeal lymph node 0/3 1/6 5/8 10/10 10/10 3/3
Lateral retropharyngeal lymph node 0/3 Nd 0/5 3/10 7/9 3/3
Enteric nervous system 0/3 0/6 0/8 0/10 10/10 2/3
  1. nd: not done
  2. No disease specific PrPd detected in any animals killed at 3, 8 and 14 days post infection.