TABLE 1.
TSE source | Breed | PrP genotypeb | Survival period (days p.i. [mean ± SD]) | PrPd-positive micec |
---|---|---|---|---|
Sheep isolates | ||||
CH1641 | Cheviot | AxQ/AxQ | 245 ± 17 (p1) | 12/12 |
220 ± 31 (p2) | 11/11 | |||
O100 | Manech tête rousse | VRQ/VRQ | 364 ± 61 | 12/12 |
O104 | Manech tête rousse | VRQ/VRQ | 248 ± 50 (p1) | 10/10 |
204 ± 6 (p2 from a PrPres l-type mouse) | 13/13 | |||
238 ± 29 (p2 from a PrPres h-type mouse) | 13/13 | |||
TR316211 | Unknown | ARQ/ARQ | 235 ± 26 | 8/8 |
Experimental strainsd | ||||
Chandler | 396 ± 100 | 9/9 | ||
C506M3 | 333 ± 26 | 11/11 | ||
87V | 258 ± 44 | 10/10 | ||
79A | 342 ± 20 | 12/12 | ||
BSE | 375 ± 51 | 12/12 |
Incubation periods of the disease and results of detection of disease-associated PrP by Western blotting or immunohistochemistry are shown.
Amino acids 136, 154, and 171.
Number of positive mice/number of mice examined by Western blotting or immunohistochemistry.
Second passage in TgOvPrP4 mice from previously reported primary passage (2).