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J Neurochem. 2003 Aug;86(3):582-90.

Hyperphosphorylation and aggregation of tau in mice expressing normal human tau isoforms.

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1
Departments of Neuroscience and Pathology, Albert Einstein College of Medicine, Bronx, New York, USA.

Abstract

Neurofibrillary tangles are composed of insoluble aggregates of the microtubule-associated protein tau. In Alzheimer's disease the accumulation of neurofibrillary tangles occurs in the absence of tau mutations. Here we present mice that develop pathology from non-mutant human tau, in the absence of other exogenous factors, including beta-amyloid. The pathology in these mice is Alzheimer-like, with hyperphosphorylated tau accumulating as aggregated paired helical filaments. This pathologic tau accumulates in the cell bodies and dendrites of neurons in a spatiotemporally relevant distribution.

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