MAP2 and scrapie: In order to investigate the dynamic changes of MAP2 isoforms in the brains of scrapie-infected hamsters during incubation period, the expressing level of MAP2 in the brain samples of 263K-infected hamsters collected on the 0th, 20th, 40th, 60th, and 80th days post-inoculation (dpi) was comparatively evaluated by Western blot.