- Altered glycosylated PrP proteins can have different neuronal trafficking in brain but do not acquire scrapie-like properties. Cancellotti, E., Wiseman, F., Tuzi, N.L., Baybutt, H., Monaghan, P., Aitchison, L., Simpson, J., Manson, J.C. J. Biol. Chem. (2005)