Science

Prions argon pathogenic proteins, answerable for a number of illnesss in different animals, including humans. The word prion is a portmanteau of proteinaceous and pathogenic. They were first theorized in the 1960s, and their existence and nature was confirmed in the early 1980s. There are many different types of disorder ca accustomd by prions. All prion maladys affect the intelligence of the recipient, and no(prenominal) are curable, ultimately resulting in death. Recent developments may in conclusion come before to a vaccine in the future. In animals, prions usually flaming one species, or two closely-related species. The illness known as scrapie is a prion disease that attacks sheep and goats. Prions are responsible for mink brain disease in minks. Chronic use disease affects sealed species of deer and elk, and feline encephalopathy and feline spongiform encephalopathy attack cats. perchance the more or less famous disease caused by prions is what is known as bovine spongiform encephalopathy more commonly referred to as huffy intimidate disease. Mad cow disease was unknown until the latter(prenominal) part of the 20th century, and its discovery came as something of a snow to most people.

Although not as sombre in kine as other livestock diseases most notably foot and mouth disease it received an large amount of vigilance when it was discovered that it could apparently jump species to soil humans. Most of these diseases caused by prions have as their vector of infection the ingestion of pollute meat especially the brains of the same species. Since upsta rt practices often use ground-up bones and w! aste meat as a protein paraphernalia for livestock, many cattle were ingesting other cattle, including brain tissue. It appears that the lowering of certain temperature guidelines for sterilization in the United res publica allowed the prions to move freely, and a small-scale epidemic was soon underway. In humans, there are four primary diseases caused by prions. The first, Creutzfield-Jakob disease,...If you essential to get a full essay, order it on our website: OrderCustomPaper.com

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