The role of tau in Alzheimer's disease and related disorders.

Abstract:

:Tau, the microtubule-associated protein, forms insoluble filaments that accumulate as neurofibrillary tangles in Alzheimer's disease (AD) and related tauopathies. Under physiological conditions, tau regulates the assembly and maintenance of the structural stability of microtubules. In the diseased brain, however, tau becomes abnormally hyperphosphorylated, which ultimately causes the microtubules to disassemble, and the free tau molecules aggregate into paired helical filaments. A large body of evidence suggests that tau hyperphosphorylation results from perturbation of cellular signaling, mainly through imbalance in the activities of different protein kinases and phosphatases. In AD, it appears that ß-amyloid peptide (Aß) plays a pivotal role in triggering this imbalance. In this review, we summarize our current understanding of the role of tau in AD and other tauopathies, and highlight key issues that need to be addressed to improve the success of developing novel therapies.

journal_name

CNS Neurosci Ther

authors

Medeiros R,Baglietto-Vargas D,LaFerla FM

doi

10.1111/j.1755-5949.2010.00177.x

subject

Has Abstract

pub_date

2011-10-01 00:00:00

pages

514-24

issue

5

eissn

1755-5930

issn

1755-5949

pii

CNS177

journal_volume

17

pub_type

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