Abstract：
:A clone encoding PrP 27-30, the major protein in purified preparations of scrapie agent, was selected from a scrapie-infected hamster brain cDNA library by oligonucleotide probes corresponding to the N terminus of the protein. Southern blotting with PrP cDNA revealed a single gene with the same restriction patterns in normal and scrapie-infected brain DNA. A single PrP-related gene was also detected in murine and human DNA. PrP-related mRNA was found at similar levels in normal and scrapie-infected hamster brain, as well as in many other normal tissues. Using antisera against PrP 27-30, a PrP-related protein was detected in crude extracts of infected brain and to a lesser extent in extracts of normal brain. Proteinase K digestion yielded PrP 27-30 in infected brain extract, but completely degraded the PrP-related protein in normal brain extract. No PrP-related nucleic acids were found in purified preparations of scrapie prions, indicating that PrP 27-30 is not encoded by a nucleic acid carried within the infectious particles.
journal_name
Celljournal_title
Cellauthors
Oesch B,Westaway D,Wälchli M,McKinley MP,Kent SB,Aebersold R,Barry RA,Tempst P,Teplow DB,Hood LEdoi
10.1016/0092-8674(85)90333-2subject
Has Abstract,Author List Incompletepub_date
1985-04-01 00:00:00pages
735-46issue
4eissn
0092-8674issn
1097-4172pii
0092-8674(85)90333-2journal_volume
40pub_type
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