Cited by 95Alzheimer's disease research and treatmentsTraumatic Brain Injury and Neurovascular DisturbancesTraumatic Brain Injury Research

Does neuroinflammation drive the relationship between tau hyperphosphorylation and dementia development following traumatic brain injury?

Collins-Praino, Lyndsey E., Corrigan, Frances·2017·Brain, Behavior, and Immunity

Abstract

A history of traumatic brain injury (TBI) is linked to an increased risk for the later development of dementia. This encompasses a variety of neurodegenerative diseases including Alzheimer's Disease (AD) and chronic traumatic encephalopathy (CTE), with AD linked to history of moderate-severe TBI and CTE to a history of repeated concussion. Of note, both AD and CTE are characterized by the abnormal accumulation of hyperphosphorylated tau aggregates, which are thought to play an important role in the development of neurodegeneration. Hyperphosphorylation of tau leads to destabilization of microtubules, interrupting axonal transport, whilst tau aggregates are associated with synaptic dysfunction. The exact mechanisms via which TBI may promote the later tauopathy and its role in the later development of dementia are yet to be fully determined. Following TBI, it is proposed that axonal injury may provide the initial perturbation of tau, by promoting its dissociation from microtubules, facilitating its phosphorylation and aggregation. Altered tau dynamics may then be exacerbated by the chronic persistent inflammatory response that has been shown to persist for decades following the initial impact. Importantly, immune activation has been shown to play a role in accelerating disease progression in other tauopathies, with pro-inflammatory cytokines, like IL-1β, shown to activate kinases that promote tau hyperphosphorylation. Thus, targeting the inflammatory response in the sub-acute p…

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Crossref · 10.1016/j.bbi.2016.09.027

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  • Chronic neuroinflammation could provoke tau pathology thereby worsening neuronal injury and long-term outcome.

    “Together, these studies indicate that chronic neuroinflammation could provoke tau pathology thereby worsening neuronal injury and long-term outcome.”
  • A robust and persistent neuroinflammatory response may be sufficient to promote phosphorylation, aggregation, and subsequent neurodegeneration; key features of AD.

    “A robust and persistent neuroinflammatory response may then be sufficient to promote phosphorylation, aggregation, and subsequent neurodegeneration; key features of AD (149–151).”

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Authors
Collins-Praino, L. E., & Corrigan, F.
Affiliations
Adelaide University (AU)
Corresponding author
Corrigan, Frances
Venue
Brain, Behavior, and Immunity
Publisher
Elsevier BV
Published
2017-02
Volume
60
Pages
369-382
ISSN
0889-1591 (ISSN-L)
OpenAlex
W2526775532
Cited by
95
References
0
Citations by year
2026: 4 · 2025: 10 · 2024: 10 · 2023: 11 · 2022: 13 · 2021: 12 · 2020: 7 · 2019: 11 · 2018: 7 · 2017: 10
FWCI
1.10
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Behavior and Immunity (publishedVersion)
  • PubMed (publishedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
Funders
Neurosurgical Research Foundation
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Neurology › Traumatic Brain Injury and Neurovascular Disturbances
  • Health Sciences › Medicine › Epidemiology › Traumatic Brain Injury Research
Keywords
traumatic brain injury, neuroinflammation, tau hyperphosphorylation, dementia, Alzheimer's disease, chronic traumatic encephalopathy, tauopathy, axonal injury, microtubule destabilization, inflammatory cytokines, IL-1β, immune activation, neurodegeneration
MeSH terms
Brain Injuries, Traumatic, Alzheimer Disease, Animals, Axons, Dementia, Humans, Inflammation, Phosphorylation, tau Proteins, Tauopathies

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