In the US, consumer rights groups won a ban on the purchase of meat
from scrapie flocks because no one could rule out absolutely the possibility of transmission to humans.
By this time it was known that BSE was a prion disease but whether the infective prion came
from scrapie - infected sheep or another source is still not known.
Not exact matches
«
Scrapie prions may even protect humans [
from BSE].»
At GTC, the
scrapie - free goats brought in
from New Zealand are penned within a 190 - acre enclosure on a 300 - acre plot in Charlton, Mass..
The researchers then exposed these transgenic mice to prion isolates collected
from sick animals, including classical and atypical strains of Bovine Spongiform Encephalopathy (i.e., mad cow disease), sheep
Scrapie, and deer Chronic Wasting Disease.
To test their findings, the researchers inoculated transgenic mice with prions
from sheep with
scrapie, another prion disease causing neurological damage, and determined that these prions have dramatically different biological properties.
While the origins of BSE remain obscure, one possibility is that the cattle developed the disease by being fed meat and bone meal contaminated with prions
from the sheep with the disease,
scrapie.