Accelerated Prion Propagation Across Species Barriers
Author Information
Author(s): Green Kristi M., Castilla Joaquín, Seward Tanya S., Napier Dana L., Jewell Jean E., Soto Claudio, Telling Glenn C.
Primary Institution: University of Kentucky
Hypothesis
Can protein misfolding cyclic amplification (PMCA) expedite studies of intra- and inter-species prion transmission?
Conclusion
The study demonstrates that PMCA can efficiently amplify chronic wasting disease prions and abrogate transmission barriers, leading to the rapid generation of novel prion strains.
Supporting Evidence
- PMCA resulted in high fidelity amplification of CWD prions.
- Adaptation of mouse RML prions generated multiple strains following inter-species transmission.
- Combined transgenic mouse and PMCA approaches expedite prion transmission studies.
Takeaway
This study shows that scientists can make prions multiply faster in the lab, helping them understand how these germs spread between different animals.
Methodology
The study used transgenic mice expressing cervid prion protein and protein misfolding cyclic amplification (PMCA) to generate and characterize prions.
Limitations
The study may not fully account for all variables in prion transmission and adaptation across species.
Participant Demographics
Transgenic mice expressing cervid prion protein.
Digital Object Identifier (DOI)
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