Cited by 68Alzheimer's disease research and treatmentsProtein Kinase Regulation and GTPase SignalingRedox biology and oxidative stress

Sulfhydration of AKT triggers Tau-phosphorylation by activating glycogen synthase kinase 3β in Alzheimer’s disease

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Sen, Tanusree, Saha, Pampa, Jiang, Tong, Sen, Nilkantha·2020·Proceedings of the National Academy of Sciences

Abstract

Significance: It is well known that AKT inactivates glycogen synthase kinase 3β (GSK3β) by increasing its phosphorylation. The inactivation of GSK3β leads to aberrant phosphorylation of Tau, which is a hallmark of Alzheimer’s disease. However, we found that if phosphorylated AKT is sulfhydrated, it will be unable to inactivate GSK3β and subsequently increases Tau phosphorylation. The influence of sulfhydrated AKT on GSK3β and Tau phosphorylation was reversed in a transgenic AKT-KI +/+ mouse, where sulfhydration of AKT residue was mutated to alanine. Thus, AKT-sulfhydration represents a unique posttranslational modification of AKT that can be targeted to suppress phosphorylation of GSK3β and subsequently reduce Tau phosphorylation.

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Crossref · 10.1073/pnas.1916895117

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67 of 67 references verified0 citation errors · 0 not checkable

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  • IL-1β treatment or overexpression exacerbates tau phosphorylation through activation of p38 MAPK and/or GSK-3β in neuron-microglia co-cultures and AD model mice.

    “IL-1β treatment or overexpression exacerbates tau phosphorylation through the activation of p38 mitogen-activated protein kinase (MAPK) and/or glycogen synthase kinase-3β (GSK-3β) in neuron–microglia co-cultures [161] and AD model mice [162, 163].”

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Authors
Sen, T., Saha, P., Jiang, T., & Sen, N.
Affiliations
University of Pittsburgh (US)
Corresponding author
Sen, Nilkantha
Venue
Proceedings of the National Academy of Sciences
Published
2020-02-12
Volume
117
Issue
8
Pages
4418-4427
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W3006083475
Cited by
68
References
67
Citations by year
2026: 13 · 2025: 7 · 2024: 15 · 2023: 9 · 2022: 13 · 2021: 10 · 2020: 1
FWCI
4.96
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • HHS | NIH | National Institute of Neurological Disorders and Stroke (RO1NS094516)
  • HHS | NIH | National Eye Institute (RO1EY025622)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
glycogen synthase kinase-3β, tau phosphorylation, Alzheimer's disease, post-translational modification, Akt inactivation
MeSH terms
Glycogen Synthase Kinase 3 beta, Alzheimer Disease, Animals, Brain, Female, Humans, Hydrogen Sulfide, Male, Mice, Transgenic, Phosphorylation, Protein Binding, tau Proteins, Amino Acid Motifs, Proto-Oncogene Proteins c-akt, Mice, Interleukin-1beta

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