| pubmed-article:6775697 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C0025344 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C0018557 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C0242485 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C1521991 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C1510438 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C1979572 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C0728938 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C2347804 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C1561960 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C1998793 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C1948053 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C1980044 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C0871161 | lld:lifeskim |
| pubmed-article:6775697 | lifeskim:mentions | umls-concept:C0036458 | lld:lifeskim |
| pubmed-article:6775697 | pubmed:issue | 21 | lld:pubmed |
| pubmed-article:6775697 | pubmed:dateCreated | 1981-1-16 | lld:pubmed |
| pubmed-article:6775697 | pubmed:abstractText | The scrapie agent causes a progressive degeneration of the central nervous system of animals after a prolonged incubation period. Measurements of incubation period length, defined as the time from inoculation to the onset of clinical signs of neurological dysfunction, were related to the titer of the agent and the dilution of the inoculated sample. Equations defining the relationship provide a new assay for the agent requiring fewer animals than end point titrations. By use of this incubation period assay, the scrapie agent from hamster brain was found to have an s20,w of < 300 S but > 30 S assuming rho p = 1.2 g/cm3. A partially purified fraction P3 was obtained by differential centrifugation and sodium deoxycholate extraction. When P3 was extracted with phenol, virtually no infectivity was found in the aqueous phase even after examining such variables as pH, salt concentration, and predigestion of samples with proteinase K. Nonionic and nondenaturing, anionic detergents did not inactivate the scrapie agent; in contrast, denaturing detergents inactivated the agent. Sodium dodecyl sulfate (NaDodSO4) inactivated greater than 90% of the agent at a NaDodSO4 to protein ratio of 1.8 g/g. Inactivation by NaDodSO4 appears to be a cooperative process. Addition of a nonionic detergent to form mixed micelles with NaDodSO4 prevented inactivation of the agent by NaDodSO4. Weak chaotropic ions do not inactivate the scrapie agent while strong chaotropic ions like SCN- and Cl3CCOO- destroy infectivity at concentrations of 0.2 M. These data provide evidence in support of a protein component within the scrapie agent which is essential for maintenance of infectivity. Thus, it is unlikely that the scrapie agent is composed only of a "naked" nucleic acid as is the case for the plant viroids. | lld:pubmed |
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| pubmed-article:6775697 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:6775697 | pubmed:language | eng | lld:pubmed |
| pubmed-article:6775697 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:6775697 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:6775697 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:6775697 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:6775697 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:6775697 | pubmed:month | Oct | lld:pubmed |
| pubmed-article:6775697 | pubmed:issn | 0006-2960 | lld:pubmed |
| pubmed-article:6775697 | pubmed:author | pubmed-author:PrusinerS BSB | lld:pubmed |
| pubmed-article:6775697 | pubmed:author | pubmed-author:CochranS PSP | lld:pubmed |
| pubmed-article:6775697 | pubmed:author | pubmed-author:GrossD RDR | lld:pubmed |
| pubmed-article:6775697 | pubmed:author | pubmed-author:MasiarzF RFR | lld:pubmed |
| pubmed-article:6775697 | pubmed:author | pubmed-author:MartinezH MHM | lld:pubmed |
| pubmed-article:6775697 | pubmed:author | pubmed-author:McKinleyM PMP | lld:pubmed |
| pubmed-article:6775697 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:6775697 | pubmed:day | 14 | lld:pubmed |
| pubmed-article:6775697 | pubmed:volume | 19 | lld:pubmed |
| pubmed-article:6775697 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:6775697 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:6775697 | pubmed:pagination | 4883-91 | lld:pubmed |
| pubmed-article:6775697 | pubmed:dateRevised | 2007-11-14 | lld:pubmed |
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| pubmed-article:6775697 | pubmed:year | 1980 | lld:pubmed |
| pubmed-article:6775697 | pubmed:articleTitle | Molecular properties, partial purification, and assay by incubation period measurements of the hamster scrapie agent. | lld:pubmed |
| pubmed-article:6775697 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:6775697 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:6775697 | pubmed:publicationType | Research Support, U.S. Gov't, Non-P.H.S. | lld:pubmed |
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