| Literature DB >> 14638998 |
Yasuhiro Hirogari1, Masanori Kubo, Kumiko M Kimura, Makoto Haritani, Takashi Yokoyama.
Abstract
Two different scrapie prion strains with different characteristics were obtained from two sheep naturally infected with scrapie in Japan. In mice transmission, one (Tsukuba-1) showed shorter incubation periods (133+/-2 days) than the other (Tsukuba-2) (288+/-5 days). Spongiform changes and accumulation of an abnormal isoform of prion protein (PrP(Sc)) were observed throughout the brain in Tsukuba-1 inoculated mice, while the lesions and the PrP(Sc) accumulation were localized in the brain stem of mice with Tsukuba-2. Western blot analysis showed that there was no strain-specific glycoform of PrP(Sc) within these two strains. A super-infection experiment revealed that neither strain interfered with the other's propagation.Entities:
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Year: 2003 PMID: 14638998 DOI: 10.1111/j.1348-0421.2003.tb03453.x
Source DB: PubMed Journal: Microbiol Immunol ISSN: 0385-5600 Impact factor: 1.955