Iatrogenic A disorder with is caused by a medical treatment. In CJD a certain number of cases appear to have resulted from injections of infected growth hormone material. Immunohistochemistry Chemical techniques used to indentify the deposit of particular chemicals or proteins in tissue. Common used to locate prion protein in brain tissue from SE using an anti-PrP antibody. The chemical organism that causes a particular disorder.
Scientific opinion is divided about the biological nature of the agent that causes SEs.
The two main theories are the Prion hypothesis and the Virus theory. Kuru A TSE found only in the Fore tribe in New Guinea most likely related to ritualistic cannabalism carried out amoung members of the tribe. Transmissibility of the disease has been established through the work of Gadjusek. The position a gene occupies in the chromosome. The transmission of disease from the mother to the offspring.