Study of H-type Bovine Spongiform Encephalopathy in Cattle
Author Information
Author(s): Okada Hiroyuki, Iwamaru Yoshifumi, Imamura Morikazu, Masujin Kentaro, Matsuura Yuichi, Shimizu Yoshihisa, Kasai Kazuo, Mohri Shirou, Yokoyama Takashi, Czub Stefanie
Primary Institution: Prion Disease Research Center, National Institute of Animal Health, Japan
Hypothesis
What are the transmission characteristics and deposition patterns of H-type BSE in cattle?
Conclusion
H-type BSE can be transmitted to cattle with a shorter incubation period and distinct patterns of prion protein accumulation.
Supporting Evidence
- H-type BSE was successfully transmitted to 3 calves.
- Incubation periods ranged from 500 to 600 days.
- Distinct patterns of PrPSc accumulation were observed in various brain regions.
Takeaway
This study shows that a type of brain disease in cows, called H-type BSE, can spread quickly and affects how proteins build up in the brain.
Methodology
Three calves were inoculated with H-type BSE isolate and monitored for clinical signs and neuropathological changes.
Limitations
Only the obex region is routinely sampled for BSE testing, limiting comprehensive analysis of the disease.
Participant Demographics
Three Holstein calves aged 3 to 4 months were used in the study.
Digital Object Identifier (DOI)
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