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대한바이러스학회 JOURNAL OF BACTERIOLOGY AND VIROLOGY 大韓바이러스學會誌 제22권 제1호
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    초록·키워드

    Scrapie agent causes a slow degenerative neurological disease in sheep and goats. The Proteinase Resistant Protein(PrP ), molecular marker of this disease, is found abnormally in scrapie infected animal and human with similar disorder like Kuru, CJD and GSS. PrP is found both in normal and scrapie infected animal but normal PrP, designated by PrP, is completely degraded by proteinase K(PK) while PrP from infected mouse is resistant to PK treatment. We succeeded in purification and detection of PrP from scrapie infected rodents(87V, ME7 in mice and 263K, 139H in hamster) using anti-ME7 antisera. The number of PrP polypeptide are different one another depending on scrapie agent strain and experimental animal species suggesting that certain specific structural and molecular properties of scrapie agents and some piculiar modification steps are involved in the processing of this disease. This experiment can be used as diagnostic rnethod.

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