Diversity in neuroanatomical distribution of abnormal prion protein in atypical scrapie
2007

Diversity in Atypical Scrapie in Sheep and Goats

Sample size: 9 publication Evidence: moderate

Author Information

Author(s): Nentwig Alice, Oevermann Anna, Heim Dagmar, Botteron Catherine, Zellweger Karola, Drögemüller Cord, Zurbriggen Andreas, Seuberlich Torsten

Primary Institution: NeuroCenter, Reference Laboratory for TSE in Animals, Vetsuisse Faculty, University of Berne, Berne, Switzerland

Hypothesis

What are the molecular and neuropathological characteristics of atypical scrapie in sheep and goats?

Conclusion

The study found that atypical scrapie cases in sheep and goats exhibit a greater biodiversity in neuroanatomical distribution of abnormal prion protein than previously expected.

Supporting Evidence

  • Atypical scrapie cases were identified that differed from classical scrapie in molecular characteristics.
  • The study analyzed nine TSE cases in sheep and goats.
  • Different neuroanatomical distributions of abnormal prion protein were observed in atypical scrapie cases.
  • The findings suggest a larger biodiversity in atypical scrapie than previously recognized.

Takeaway

This study looked at sick sheep and goats to see how a disease called atypical scrapie affects their brains, and found that it can look very different from one animal to another.

Methodology

The study analyzed nine TSE cases in sheep and goats using molecular and neuropathological techniques, including western immunoblotting and immunohistochemistry.

Limitations

The study was limited by the availability of whole brains for analysis and the autolysis of some tissue samples.

Participant Demographics

The study included nine cases of TSE from sheep and goats in Switzerland.

Digital Object Identifier (DOI)

10.1371/journal.ppat.0030082

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