Essays on Prion

Cruetzfeldt Jacob Syndrome (CJD) is a fatal disease affecting humans and is caused by infectious proteins called prions. It belongs to transmissible spongiform encephalomyelitis group of diseases. The disease occurs from the accumulation of prions PrSc that damages the brain cells. CJD can occur in a hereditary form or as an acquired form. The hereditary form results from a dominant mutation affecting prion protein gene (PrP). CJD is a communicable disease. Acquired infection occurs through iatrogenic transmission from hospital. Contaminated instruments used in surgery’s are an important cause for transmission in iatrogenic infection. The disease can also be ...

Cannibalism was quite common among the early man. The suggested reasons for cannibalism may be to survive starvation especially during the winter seasons or rituals performed by the early man when one of them died. This paper will shed light on prehistoric cannibalism and the disease, which can spread from one person to another because of cannibalism. Evidence that cannibalism prevailed in early man exists in the modern literature. According to the article written by John Roach, modern man contains genetic markers, which are an indicator that early humans were cannibals. Scientist attributes their discovery of genes protecting against ...

Geographically, most cases of bovine spongiform encephalopathy were reported to survive within the indigenous cows. This was mainly in countries found in Europe, such as United Kingdom. It was again seen in those imported animal from Falkland as well as Oman. Also some reports were issued in Europe concerning the outcome of bovine spongiform encephalopathy in surveillance programs. According to the climatic condition, this infectious agent was found to be distinctive in temperatures above 600 degrees Celsius. It was a core contributor to the great spread of the disease in United Kingdom which had been found to reduce temperatures ...