Cited by 83Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Altered subcellular distribution of c-Abl in Alzheimer’s disease

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Jing, Zheng, Caltagarone, John, Bowser, Robert·2009·Journal of Alzheimer s Disease

Abstract

c-Abl is a non-receptor tyrosine kinase that participates in multiple signaling pathways linking the cell surface, cytoskeleton, and the nucleus. Recent in vitro studies have also linked c-Abl to amyloid-beta-induced toxicity and tau phosphorylation. To further characterize a potential role of c-Abl in Alzheimer's disease (AD), we examined the expression and distribution of total and phosphorylated forms of c-Abl in the hippocampus of AD and control subjects. Laser scanning confocal microscopy was used to examine the colocalization of c-Abl with AD pathology. Our results demonstrate alterations in the presence and distribution of c-Abl and phosphorylated isoforms of c-Abl within the hippocampus during AD. Total unphosphorylated c-Abl was highest in non-demented control hippocampus. Activated isoforms of c-Abl were most abundant in AD hippocampus and co-localized with AD pathology, including granulovacuolar degeneration bodies, c-Abl interacts with phosphorylated tau in AD brain and may contribute to the formation of tau pathology. These studies demonstrate altered activation and distribution of c-Abl during AD, suggesting a role for c-Abl in Abeta signal transduction and generation of tau pathology in AD.

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Crossref · 10.3233/jad-2009-1062

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Authors
Jing, Z., Caltagarone, J., & Bowser, R.
Affiliations
  • Department of Pathology, University of Pittsburgh, Pittsburgh, PA, USA
  • University of Pittsburgh (US)
Corresponding author
Bowser, Robert
Venue
Journal of Alzheimer s Disease
Published
2009-06-05
Volume
17
Issue
2
Pages
409-422
ISSN
  • 1387-2877 (ISSN-L)
  • 1875-8908
OpenAlex
W1840896388
Cited by
83
References
38
Citations by year
2026: 4 · 2025: 2 · 2024: 7 · 2023: 8 · 2022: 6 · 2021: 5 · 2020: 9 · 2019: 4 · 2018: 1 · 2017: 6 · 2016: 3 · 2015: 3 · 2014: 10 · 2013: 4 · 2012: 4
FWCI
2.44
Type
journal article
Language
en
Open access
Locations
  • Journal of Alzheimer s Disease (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Neurological Disorders and Stroke (NS042724, R01NS042724)
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
c-Abl, Alzheimer's disease
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Amyloid, Analysis of Variance, Female, Hippocampus, Humans, Male, Middle Aged, Phosphorylation, Subcellular Fractions, Threonine, Tyrosine, Case-Control Studies, Proto-Oncogene Proteins c-abl, tau Proteins, Neurofilament Proteins, Microscopy, Confocal, Immunoprecipitation

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