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What do transmissible spongiform encephalopathies do?
GaleEncyofNeuroDis
TSEs are currently thought to be due to the accumulation of abnormal clumps of protein in the neurons of the brain. As the protein accumulates within the neuron, it crowds out normal structures and eventually causes the neuron to die. When the neuron dies, it leaves a characteristic hole in the histologic structure of the brain, and when enough neurons die the animal develops neurologic symptoms and eventually dies.
Examples of TSEs in animals include bovine spongiform encephalopathy (BSE, also called mad cow disease), scrapie (a disease in sheep that has been around for at least 200 years), and chronic wasting disease (CWD, affecting elk, moose, deer and other cervids in North America). Of these, only BSE has been shown to be zoonotic (infectious to humans).
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Is spongiform encephalopathy a virus?
The transmissible spongiform encephalopathies (BSE, CWD, kuru, etc.) are not viruses - they are infectious mis-folded proteins called prions.
What Spongiform encephalopathies are thought to be caused by?
misfolded proteins, prions
A serious disease of sheep and cattle?
Transmissible Spongiform Encephalopathy: Scrapie in sheep and Mad Cow disease (or Bovine Spongiform Encephalopathy)
What spongiform encephalopathies cause cannibalism?
There are no transmissible spongiform encephalopathies that cause cannibalism. However, there was a TSE in humans that was transmitted through ritual cannibalism. This was kuru, a disease identified in indigenous people in the South Pacific. Part of the culture was for the survivors to consume the bodies of those who had died, so that the deceased could continue in some fashion within those who had survived. However, once the link between ritual cannibalism and death from kuru was established, the people abandoned the practice and kuru has been effectively eradicated from this population.
What is another name for prion disease?
A prion is a misfolded protein that is considered an infectious agent because they cause properly folded proteins to convert into the misfolded, prion form. In humans, prions cause Creutzfeldt-Jakob disease. In cattle, prions cause mad-cow disease.
What disease in farm animals is the failure of electro conduction in the brain?
Transmissible Spongiform Encephalopathy.
What is prions?
PrionsA prion is an infectious protein that is misfolded. These proteins can aggregate in the brain and other neural tissue, forming amyloids. Diseases associated with prions include bovine spongiform encephalopathy (mad cow disease), scrapie, kuru, chronic wasting disease, and Creutzfeldt-Jakob disease. Prions are still poorly understood by researchers, and prion diseases (transmissible spongiform encephalopathies) remain untreatable.
What causes prion?
There are a range of transmissible spongiform ensephalopathies that affect the brain or other neural tissue.Bovine spongiform encephalopathy (mad cow disease)Creutzfeldt-Jakob diseaseChronic wasting diseaseScrapieFeline spongiform encephalopathyKuruFatal familial insomniaGerstmann-Sträussler-Scheinker syndrome
What are prions and how do they cause diseases?
Prions are protein matrices that self replicate. they are not alive and are not easily denatured using heat. Example = "mad cow disease" These matrices can become quite large and cause inflammation and then necrotic areas in the body.
What is a disease of cattle or sheep?
Transmissible Spongiform Encephalopathy: Scrapie in sheep and Mad Cow disease (or Bovine Spongiform Encephalopathy), cows can get TB and sheep can get foot and mouth
How many people suffer from alzhimer's?
0 There is no such thing as "alzheires disease".
Why does alzhimers exist?
spongiform encephalopathies. Kuru and Mad Cow kind of like a bacteria but much smaller and you can't kill it by cooking it ....also a Type of Enzyme... All Things want to keep living ,even Bacteria...so It (what ever it is) lives at our expense.
