Cited by 323Alzheimer's disease research and treatmentsGenomics, phytochemicals, and oxidative stressAutophagy in Disease and Therapy

Nrf2 reduces levels of phosphorylated tau protein by inducing autophagy adaptor protein NDP52

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Jo, Chulman, Gundemir, Soner, Pritchard, Susanne, Jin, Youngnam N., Rahman, Irfan, Johnson, Gail V. W.·2014·Nature Communications

Abstract

Nuclear factor erythroid 2-related factor 2 (Nrf2) is a pivotal transcription factor in the defence against oxidative stress. Here we provide evidence that activation of the Nrf2 pathway reduces the levels of phosphorylated tau by induction of an autophagy adaptor protein NDP52 (also known as CALCOCO2) in neurons. The expression of NDP52, which we show has three antioxidant response elements (AREs) in its promoter region, is strongly induced by Nrf2, and its overexpression facilitates clearance of phosphorylated tau in the presence of an autophagy stimulator. In Nrf2-knockout mice, phosphorylated and sarkosyl-insoluble tau accumulates in the brains concurrent with decreased levels of NDP52. Moreover, NDP52 associates with phosphorylated tau from brain cortical samples of Alzheimer disease cases, and the amount of phosphorylated tau in sarkosyl-insoluble fractions is inversely proportional to that of NDP52. These results suggest that NDP52 plays a key role in autophagy-mediated degradation of phosphorylated tau in vivo.

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  • Aggregated tau or tau phosphorylated at Ser262/356 is degraded by the autophagy-lysosome system.

    “The majority of tau species (including tau lacking phosphorylation at Ser262/356) are degraded by the proteasome [20], while aggregated tau or tau phosphorylated at Ser262/356 is degraded by the autophagy-lysosome system [79–84].”

    From Stabilization of Microtubule-Unbound Tau via Tau Phosphorylation at Ser262/356 by Par-1/MARK Contributes to Augmentation of AD-Related Phosphorylation and Aβ42-Induced Tau Toxicity (2016) · cites this paper as [84]

    The Results ('Autophagy mediates the degradation of phosphorylated tau'; page unavailable) show that blocking autophagy or lysosomal function attenuated phosphorylated-tau degradation. The Discussion reports reduced Ser262/356-phosphorylated tau after Nrf2 activation or NDP52 overexpression. The Results ('NDP52 decreases sarkosyl-insoluble tau in AD cases'; page unavailable) link NDP52 to less insoluble tau, but suggest prevention of aggregation through phosphorylated-tau clearance rather than demonstrating degradation of already aggregated tau. (LLM, conf=0.85)

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Cited by

Sorted by citations

Authors
Jo, C., Gundemir, S., Pritchard, S., Jin, Y. N., Rahman, I., & Johnson, G. V. W.
Affiliations
University of Rochester Medicine (US)
Corresponding author
Johnson, Gail V. W.
Venue
Nature Communications
Published
2014-03-25
Volume
5
Issue
1
Pages
3496-3496
ISSN
2041-1723 (ISSN-L)
OpenAlex
W1990271214
Cited by
323
References
6
Citations by year
2026: 21 · 2025: 23 · 2024: 22 · 2023: 24 · 2022: 23 · 2021: 31 · 2020: 33 · 2019: 24 · 2018: 28 · 2017: 32 · 2016: 27 · 2015: 25 · 2014: 10
FWCI
19.51
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • Universitetet i Tromsø
  • Michigan State University
  • University of Rochester
  • University College Dublin
  • National Institutes of Health
  • College of Engineering, Michigan State University
  • University of California, Los Angeles
  • Medical Center, University of Rochester
  • Medical Research Council
  • RIKEN
  • National Institute of Neurological Disorders and Stroke (NS076789, R21NS076789)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics, phytochemicals, and oxidative stress
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
Keywords
Nrf2, NDP52, phosphorylated tau, autophagy, Alzheimer's disease, antioxidant response element, oxidative stress, tau clearance, sarkosyl-insoluble tau, Nrf2 knockout mice, neurons
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Animals, Autophagy, Brain, Cerebral Cortex, Female, Hippocampus, Humans, Male, Nerve Tissue Proteins, Neurons, Nuclear Proteins, Phosphorylation, RNA, Messenger, tau Proteins, Receptors, Cytoplasmic and Nuclear, Mice, Knockout, Oxidative Stress, Reverse Transcriptase Polymerase Chain Reaction, Maf Transcription Factors, NF-E2-Related Factor 2, Mice, Rats, HEK293 Cells

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