Science News The misfolded proteins responsible for a fatal neurological illness in deer have a twist. The first detailed structure of an infectious prion that causes chronic wasting disease, or CWD, reveals features that could help guide vaccine development or explain why the illness hasn’t yet made the leap to people, researchers report October 24 in Acta Neuropathologica. One such feature is a 180-degree twist between two sections of the prion. In versions engineered to infect rodents in order to study the disease, that twist doesn’t exist.
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