MAPT and supranuclear palsy, progressive, 1: Narasimhan et al. injected pathologic tau from postmortem brains into non-transgenic mouse brains and observed differences in tau strain potency and pathologic localization between AD-tau, CBD-tau, and PSP-tau, such that only PSP-tau and CBD-tau produced glial inclusions, and PSP-tau produced much more extensive tau pathology (89).