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Volume 14, Number 12—December 2008

Dispatch

Transmission of Atypical Bovine Prions to Mice Transgenic for Human Prion Protein

Vincent BéringueComments to Author , Laëtitia Herzog, Fabienne Reine, Annick Le Dur, Cristina Casalone, Jean-Luc Vilotte, and Hubert Laude
Author affiliations: Institut National de la Recherche Agronomique, Jouy-en-Josas, France (V. Béringue, L. Herzog, F. Reine, A. Le Dur, J.-L. Vilotte, H. Laude); Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Turin, Italy (C. Casalone)

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Figure 2

Representative histoblots in 4 different anteroposterior sections showing the distribution of disease-specific PrPres deposits in the brains of tg650 mice infected with bovine spongiform encephalopathy (BSE) or L-type BSE. Panels A–D show infection with BSE (second passage of France 3). Panels E–H show infection with L-type BSE (first passage of France 7). Panels I–L show infection with L-type BSE (second passage of Italy). Panels M–P show brain sections of an age-matched, mock-infected mouse, euthanized while healthy at 700 days postinfection, for comparison. Note the differing aspect and distribution of PrPres deposits between brain of mice infected with BSE and BSE-L (arrowheads). Assignment of the positive brain regions has been made according to a mouse brain atlas after digital acquisition.

Figure 2. Representative histoblots in 4 different anteroposterior sections showing the distribution of disease-specific PrPres deposits in the brains of tg650 mice infected with bovine spongiform encephalopathy (BSE) or L-type BSE. Panels A–D show infection with BSE (second passage of France 3). Panels E–H show infection with L-type BSE (first passage of France 7). Panels I–L show infection with L-type BSE (second passage of Italy). Panels M–P show brain sections of an age-matched, mock-infected mouse, euthanized while healthy at 700 days postinfection, for comparison. Note the differing aspect and distribution of PrPres deposits between brain of mice infected with BSE and BSE-L (arrowheads). Assignment of the positive brain regions has been made according to a mouse brain atlas after digital acquisition.

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