Prion Diseases Essay

Our prehistoric ancestors practiced cannibalism not because of cultural expectations, but for survival. Our oldest taboo has been the source of many debates, with researchers having different ideas about why our ancestors would partake in such a barbaric activity. Evidence of this practice can be found throughout the world, but in some cases the reasons differ. This presents a difficult question to be answered, did our prehistoric ancestors practice cannibalism for ritual purposes or for survival

2Jordanne Rice21944377As a Veterinary technician, you may encounter the many diseases that are carried by largeand small animals. Having knowledge of such diseases can prevent the spread to other animals and decrease any chance of human health endangerment. Further paragraphs will include the etiology, signs and symptoms, diagnostic tools, treatment protocols, and prevention and control programs for a handful of the many diseases that animals can encounter. Bovine Spongiform Encephalopathy (BSE) is a

The Horrifying Details of Mad Cow Disease      Mad Cow Disease, scientifically referred to as (BSE) Bovine Spongiform Encephalopathy, is a disease that affects those humans who eat the meat from infected cows. Mad Cow Disease is one of several fatal brain diseases called (TSE) Transmissible Spongiform Encephalopathy. (USDA) There was evidence of a new illness resembling the sheep disease scrapie. It was technically named BSE but quickly acquired the mad cow tag because of the way infected cattle

doctors are at a loss as to what can be done to stop it. It is called a Prion. A prion is a protein with a three-dimensional shape, as opposed to standard proteins. When a prion comes into contact with another protein, that protein transforms into another prion.

Mad Cow disease has been heavily spoken about on the international news. Our hopes are that the disease will not spread into the United States, even though several people have died from the disease. PURPOSE, SCOPE AND LIMITATIONS Our initial purpose of researching this topic has been inspired by the growing concern for the outbreak of Mad Cow Disease and it's various forms. We believe that it is imperative that we take our research and implement it to others along with facts in order to generate

The word BSE is short but it stands for a disease with a long name, bovine spongiform encephalopathy. "Bovine" means that the disease affects cows, "spongiform" refers to the way the brain from a sick cow looks spongy under a microscope, and "encephalopathy" indicates that it is a disease of the brain. BSE is a progressive neurologic disease of cows. Research shows that the first probable cases of BSE in cows occurred during the 1970 's with two cases of BSE being identified in 1986. BSE possibly

Proteinacious Killer Abstract: Prions are proteins (PrP) that usually reside in the brain. There are two different forms of prions: normal PrPC and the pathological isoform, PrPSc. The two forms are chemically similar but shaped, or folded differently. PrPC occurs naturally in most mammals but PrPSc seems to bring with it various diseases, or spongiform encephalopathies. Various forms of these diseases have been found in many animal species, including humans. The actual means by which PrPSc propagates

Prions      Prions have been a mistery for scientists from the day they where discovered. Prions act like viruses but they are not. Their structure and chemistry are unknown. They are believed to be proteins but that is yet to be completely proved.      Prion stands for “proteinaceous infectious particles”. Prions are known to cause many diseases involved with nervous systems like the brain. They are the ones that cause the well known “ mad cow

protein to be able to carry out its specific function, it must fold in the correct way. A precise path must be followed to allow the correct shape to be formed and if there is an error in this process, the misfolded protein could lead to dangerous diseases forming. The

1.1 Prions Prions are an incongruous pathogen that is causative of transmissible spongiform encephalopathies (TSE); a group of fatal neurodegenerative diseases found in mammals. This abnormal proteinaceous particle is believed to be a post-translational mutation of a normal cellular protein found in the brain (Emmanuel, 2002). This naturally occurring pathogen acts similarly to a viral infection, however as it lacks nucleic acid it is invulnerable to death via means of antibiotics or sterilisation