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Review
. 2020 Dec;40(6):1009-1021.
doi: 10.1007/s11596-020-2282-1. Epub 2021 Jan 11.

Tau in Alzheimer's Disease: Pathological Alterations and an Attractive Therapeutic Target

Jian-Lan Gu  1   2 , Fei Liu  3
Affiliations
Review

Tau in Alzheimer's Disease: Pathological Alterations and an Attractive Therapeutic Target

Jian-Lan Gu et al. Curr Med Sci. 2020 Dec.

Abstract

Alzheimer's disease (AD) is an age-related neurodegenerative disease with two major hallmarks: extracellular amyloid plaques made of amyloid-β (Aβ) and intracellular neurofibrillary tangles (NFTs) of abnormally hyperphosphorylated tau. The number of NFTs correlates positively with the severity of dementia in AD patients. However, there is still no efficient therapy available for AD treatment and prevention so far. A deeper understanding of AD pathogenesis has identified novel strategies for the generation of specific therapies over the past few decades. Several studies have suggested that the prion-like seeding and spreading of tau pathology in the brain may be a key driver of AD. Tau protein is considered as a promising candidate target for the development of therapeutic interventions due to its considerable pathological role in a variety of neurodegenerative disorders. Abnormal tau hyperphosphorylation plays a detrimental pathological role, eventually leading to neurodegeneration. In the present review, we describe the recent research progresses in the pathological mechanisms of tau protein in AD and briefly discuss tau-based therapeutic strategies.

Keywords: Alzheimer’s disease; hyperphosphorylation; propagation of tau pathology; tau protein.

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