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''For the bird, see [[Prion (bird)]].  For the protein, see [[PrP]]. this is a comment until I make the page''

''For the bird, see [[Prion (bird)]].  For the protein, see [[PrP]].''

Prions are misfolded proteins with the ability to transmit their misfolded shape onto normal variants of the same protein. They characterize several fatal and transmissible neurodegenerative diseases in humans and many other animals. It is not known what causes the normal protein to misfold, but the abnormal three-dimensional structure is suspected of conferring infectious properties, collapsing nearby protein molecules into the same shape. The word prion derives from "proteinaceous infectious particle". Prion forms of [[PrP]] are responsible for [[Transmissible spongiform encephalopathy|transmissible spongiform encephalopathies]], and prion forms of amyloid-beta and tau proteins cause [[Alzheimer's disease]].   

Prions are misfolded proteins with the ability to transmit their misfolded shape onto normal variants of the same protein. They characterize several fatal and transmissible neurodegenerative diseases in humans and many other animals. It is not known what causes the normal protein to misfold, but the abnormal three-dimensional structure is suspected of conferring infectious properties, collapsing nearby protein molecules into the same shape. The word prion derives from "proteinaceous infectious particle". Prion forms of [[PrP]] are responsible for [[Transmissible spongiform encephalopathy|transmissible spongiform encephalopathies]], and prion forms of amyloid-beta and tau proteins cause [[Alzheimer's disease]].