Site-specific phosphorylation of tau inhibits amyloid-β toxicity in Alzheimer’s mice

Author:

Ittner Arne1,Chua Sook Wern1,Bertz Josefine1,Volkerling Alexander1,van der Hoven Julia1,Gladbach Amadeus1,Przybyla Magdalena1,Bi Mian1,van Hummel Annika12,Stevens Claire H.1,Ippati Stefania1,Suh Lisa S.13,Macmillan Alexander4,Sutherland Greg3,Kril Jillian J.3,Silva Ana P. G.5,Mackay Joel P.5,Poljak Anne6,Delerue Fabien17,Ke Yazi D.2,Ittner Lars M.178

Affiliation:

1. Dementia Research Unit, School of Medical Sciences, University of New South Wales (UNSW), Sydney, New South Wales 2052, Australia.

2. Motor Neuron Disease Unit, School of Medical Sciences, UNSW, Sydney, New South Wales 2052, Australia.

3. Discipline of Pathology, Sydney Medical School, University of Sydney, Sydney, New South Wales 2050, Australia.

4. Biomedical Imaging Facility, Mark Wainwright Analytical Centre, UNSW, Sydney, New South Wales 2052, Australia.

5. School of Molecular Bioscience, University of Sydney, Sydney, New South Wales 2050, Australia.

6. Biomedical Mass Spectrometry Facility, Mark Wainwright Analytical Centre, UNSW, Sydney, New South Wales 2052, Australia.

7. Transgenic Animal Unit, Mark Wainwright Analytical Centre, UNSW, Sydney, New South Wales 2052, Australia.

8. Neuroscience Research Australia, Sydney, New South Wales 2031, Australia.

Abstract

Tau phosphorylation—not all bad Alzheimer's disease presents with amyloid-β (Aβ) plaques and tau tangles. The prevailing idea in the field is that Aβ induces phosphorylation of tau, which in turn mediates neuronal dysfunction. Working in Alzheimer's disease mouse models, Ittner et al. found evidence for a protective role of tau in early Alzheimer's disease. This protection involves specific tau phosphorylation at threonine 205 at the postsynapse. A protective role of phosphorylated tau in disease challenges the dogma that tau phosphorylation only mediates toxic processes. Science , this issue p. 904

Funder

National Health and Medical Research Council

Australian Research Council

Alzheimer's Association

Alzheimer's Australia

NIH

UNSW Australia

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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