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lüll The Prion-Like Behavior of Assembled Tau in Transgenic Mice Clavaguera F; Tolnay M; Goedert MCold Spring Harb Perspect Med 2017[Oct]; 7 (10): äTauopathies constitute neurodegenerative diseases that are characterized by the intracellular deposition of filaments made of hyperphosphorylated tau protein. The pattern of tau deposition in Alzheimer's disease follows a stereotypical progression, with the first lesions appearing in the locus coeruleus and entorhinal cortex, from where they appear to spread to the hippocampus and neocortex. Propagation of pathological tau is also characteristic of argyrophilic grain disease, where the lesions seem to spread through distinct regions of the limbic system. In chronic traumatic encephalopathy, tauopathy appears to spread from the neocortex to the brainstem. These findings implicate neuron-to-neuron propagation of tau aggregates. Isoform compositions and morphologies of tau filaments can differ between tauopathies, which is consistent with the existence of distinct tau strains. Here, we review recent findings that support prion-like mechanisms in the pathogenesis of tauopathies through the experimental use of transgenic mice.|*Disease Models, Animal[MESH]|Alzheimer Disease/metabolism[MESH]|Animals[MESH]|Brain/metabolism/*pathology[MESH]|Humans[MESH]|Locus Coeruleus[MESH]|Mice[MESH]|Mice, Transgenic[MESH]|Prions/*metabolism[MESH]|Tauopathies/genetics/*metabolism[MESH]|tau Proteins/genetics/*metabolism[MESH] |