Direct comparison of 18F-THK523 with 11C-PiB, 18F-BF227, and 18F-FDDNP in AD brain sections revealed different binding distributions of 18F-THK523, which co-localized with tau immunostaining and Gallyas Braak silver staining (Harada et al., 2013). Here, MAPT is linked to Alzheimer disease.