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In Vitro Aggregation Assays Using Hyperphosphorylated Tau Protein
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Tau and tauopathies.

Thomas Arendt1, Jens T Stieler1, Max Holzer1

  • 1Paul Flechsig Institute of Brain Research, Universität Leipzig, Liebigstrasse 19, 04103 Leipzig, Germany.

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|September 13, 2016
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Summary
This summary is machine-generated.

Neurodegenerative diseases involve protein aggregates, particularly tau protein, which forms deposits in tauopathies. Emerging research explores tau

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Alzheimer's diseaseCytoskeletonDementiaNeurodegeneration

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Area of Science:

  • Neuroscience
  • Cell Biology
  • Pathology

Background:

  • Neurodegenerative diseases are defined by intracellular protein aggregates, with poorly understood etiology and pathogenesis.
  • Tau protein forms intracellular deposits in neurons and glial cells, defining a class of disorders known as tauopathies.
  • While tau dysfunction causes neurodegeneration, its precise mechanisms remain unclear.

Purpose of the Study:

  • To review the molecular and cell biology of tau protein and its physiological functions.
  • To describe the pathophysiology of tau and the spectrum of tauopathies.
  • To highlight emerging insights into tau's roles beyond axonal function.

Main Methods:

  • Literature review of molecular and cell biology studies on tau.
  • Analysis of neuropathological data related to tau aggregates.
  • Synthesis of current research on tau's physiological and pathophysiological roles.

Main Results:

  • Tau protein aggregates are key pathological hallmarks in over 20 neurodegenerative disorders (tauopathies).
  • Recent studies reveal tau's roles in synaptic plasticity and nuclear functions, expanding beyond its traditional axonal role.
  • The heterogeneity of tau isoforms and their physiological/pathophysiological significance remain key research questions.

Conclusions:

  • Tau protein is central to neurodegeneration, with its aggregation defining tauopathies.
  • Understanding tau's diverse cellular roles, including at synapses and in the nucleus, is crucial for unraveling disease mechanisms.
  • Further research into tau isoforms and their functions is essential for therapeutic development.