First, infectious prions isolated from brain tissue contain PrPSc. A process called purification removes molecules that are not part of the prion. The purity of a prion preparation is judged by ...

Luckily for us, ice-nine is fictitious. But its biological counterpart, unfortunately, is not. The misfolded proteins known as prions are very real. Prions are proteinaceous infectious particles, ...

“We have provided clear evidence of infectious prions within the skin of patients dying of Creutzfeldt-Jakob disease,” coauthor Byron Caughey of the National Institute of Allergy and Infectious ...