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Trends in neurosciences · Dec 2014
ReviewLost after translation: missorting of Tau protein and consequences for Alzheimer disease.
- Hans Zempel and Eckhard Mandelkow.
- German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.
- Trends Neurosci. 2014 Dec 1; 37 (12): 721-32.
AbstractTau is a microtubule-associated-protein that is sorted into neuronal axons in physiological conditions. In Alzheimer disease (AD) and other tauopathies, Tau sorting mechanisms fail and Tau becomes missorted into the somatodendritic compartment. In AD, aberrant amyloid-β (Aβ) production might trigger Tau missorting. The physiological axonal sorting of Tau depends on the developmental stage of the neuron, the phosphorylation state of Tau and the microtubule cytoskeleton. Disease-associated missorting of Tau is connected to increased phosphorylation and aggregation of Tau, and impaired microtubule interactions. Disease-causing mechanisms involve impaired transport, aberrant kinase activation, non-physiological interactions of Tau, and prion-like spreading. In this review we focus on the physiological and pathological (mis)sorting of Tau, the underlying mechanisms, and effects in disease. Copyright © 2014 Elsevier Ltd. All rights reserved.
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