Cited by 89Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

High-content siRNA screening of the kinome identifies kinases involved in Alzheimer's disease-related tau hyperphosphorylation

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Azorsa, David O, Robeson, RiLee H, Frost, Danielle, hoovet, Bessie Meec, Brautigam, Gillian R, Dickey, Chad, Beaudry, Christian, Basu, Gargi D +11 more·2010·BMC Genomics

Abstract

Background: Neurofibrillary tangles (NFT), a cardinal neuropathological feature of Alzheimer's disease (AD) that is highly correlated with synaptic loss and dementia severity, appear to be partly attributable to increased phosphorylation of the microtubule stabilizing protein tau at certain AD-related residues. Identifying the kinases involved in the pathologic phosphorylation of tau may provide targets at which to aim new AD-modifying treatments. Results: We report results from a screen of 572 kinases in the human genome for effects on tau hyperphosphorylation using a loss of function, high-throughput RNAi approach. We confirm effects of three kinases from this screen, the eukaryotic translation initiation factor 2 α kinase 2 (EIF2AK2), the dual-specificity tyrosine-(Y)-phosphorylation regulated kinase 1A (DYRK1A), and the A-kinase anchor protein 13 (AKAP13) on tau phosphorylation at the 12E8 epitope (serine 262/serine 356). We provide evidence that EIF2AK2 effects may result from effects on tau protein expression, whereas DYRK1A and AKAP13 are likely more specifically involved in tau phosphorylation pathways. Conclusions: These findings identify novel kinases that phosphorylate tau protein and provide a valuable reference data set describing the kinases involved in phosphorylating tau at an AD-relevant epitope.

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Authors
Azorsa, D. O., Robeson, R. H., Frost, D., hoovet, B. M., Brautigam, G. R., Dickey, C., Beaudry, C., Basu, G. D., Holz, D. R., Hernandez, J. A., Bisanz, K. M., Gwinn, L., Grover, A., Rogers, J., Reiman, E. M., Hutton, M., Stephan, D. A., Mousses, S., & Dunckley, T.
Affiliations
  • Translational Genomics Research Institute (US)
  • University of South Florida (US)
  • Banner Sun Health Research Institute (US)
  • Merck & Co., Inc., Rahway, NJ, USA (United States) (US)
Corresponding author
Dunckley, Travis
Venue
BMC Genomics
Published
2010-01-12
Volume
11
Issue
1
Pages
25-25
ISSN
1471-2164 (ISSN-L)
OpenAlex
W2166349298
Cited by
88
References
35
Citations by year
2026: 6 · 2025: 3 · 2024: 5 · 2023: 4 · 2022: 6 · 2021: 7 · 2020: 8 · 2019: 4 · 2018: 6 · 2017: 5 · 2016: 4 · 2015: 1 · 2014: 4 · 2013: 5 · 2012: 7
FWCI
5.63
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • BMC Genomics (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • National Institutes of Health (1k01ag024079-01a2)
  • National Institute on Aging (P30-AG-19610, R01AG023193, U01AG016976, K01-AG-024079, P30AG019610, R21AG029576)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
tau hyperphosphorylation, Alzheimer's disease, kinome, kinase screening, PKR, DYRK1A, AKAP13, neurofibrillary tangles, tau phosphorylation
MeSH terms
Alzheimer Disease, Genetic Testing, Humans, Phosphorylation, Protein Kinases, Up-Regulation, Genome, Human, tau Proteins, Gene Expression Profiling, RNA, Small Interfering, Cell Line, Tumor

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