Human prion diseases are neurodegenerative disorders caused by abnormally folded prion proteins in the central nervous system. These proteins can be detected using the quaking-induced conversion assay. Compared with other bioassays, this assay is extremely sensitive and was used in the present study to determine prion distribution in sporadic Creutzfeldt-Jakob disease patients at autopsy. Although infectivity of the sporadic form is thought to be restricted within the central nervous system, results showed that prion-seeding activities reach 106/g from a 50% seeding dose in non-neuronal tissues, suggesting that prion-seeding activity exists in non-neural organs, and we suggested that non-neural tissues of 106/g SD50 did not exist the infectivity.
Prion-Seeding Activity Is widely Distributed in Tissues of Sporadic Creutzfeldt-Jakob Disease Patients
H. Takatsuki,T. Fuse,Takehiro Nakagaki,Tsuyoshi Mori,B. Mihara,M. Takao,Y. Iwasaki,Mari Yoshida,S. Murayama,Ryuichiro Atarashi,N. Nishida,K. Satoh
Published 2016 in EBioMedicine
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- Publication year
2016
- Venue
EBioMedicine
- Publication date
2016-08-24
- Fields of study
Biology, Medicine
- Identifiers
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Semantic Scholar, PubMed
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