| Literature DB >> 2119503 |
P Brown1, P P Liberski, A Wolff, D C Gajdusek.
Abstract
Infectious extracts of scrapie-infected hamster brain enriched for scrapie-associated fibrils and scrapie amyloid protein (PrP) were partially denatured and subjected to either polyacrylamide gel electrophoresis with subsequent isolation of the PrP band or sequential enzymatic digestion with deglycosidase, phospholipase, proteinase, and several different nucleases. Infectivity measurements of these various specimens revealed a convincing association between infectivity and scrapie amyloid protein, with or without its sugar chains and disulfide bonds, and did not support the hypothesis that nucleic acid is involved in replication.Entities:
Mesh:
Substances:
Year: 1990 PMID: 2119503 PMCID: PMC54719 DOI: 10.1073/pnas.87.18.7240
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205