Sentences with phrase «scrapie by»

Resistance of cattle to scrapie by the oral route.

If sheep do indeed catch scrapie by eating mite - infested hay, Wisniewski says, there may be a simple way to control the disease.

Not exact matches

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.

You wipe out the labile scrapie prion» by heat rendering, Prusiner says.

Degenerative brain diseases like mad cow disease (officially known as bovine spongiform encephalopathy, or BSE), scrapie in sheep, and vCJD in humans are thought to be caused by prions, misfolded versions of a normal cellular protein called PrPC.

Several fatal neurological diseases — including Creutzfeldt - Jakob disease (CJD) in humans and scrapie in sheep — are marked by the accumulation of protein deposits in the brain.

Scientists now believe that the brain - wasting disease scrapie is caused by prions, warped proteins that trick normal proteins into

Scientists now know that scrapie is caused by misfolding proteins in the brain called prions, the same mechanism that causes Creutzfeldt - Jakob disease in humans.

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.

Later radiation biologist Tikvah Alper and the mathematician John Stanley Griffith advanced the hypothesis that scrapie and Creutzfeldt — Jakob disease are were caused by infectious protein, seemingly contradicting the central dogma.