Cited by 133Alzheimer's disease research and treatmentsTraumatic Brain Injury ResearchTraumatic Brain Injury and Neurovascular Disturbances

Enhanced neurofibrillary tangle formation, cerebral atrophy, and cognitive deficits induced by repetitive mild brain injury in a transgenic tauopathy mouse model

Yoshiyama, Yasumasa, Uryu, Kunihiro, Higuchi, Makoto, Longhi, Luca, Hoover, Rachel, Fujimoto, Scott, McIntosh, Tracy, Lee, Virginia M.-Y. +1 more·2005·Journal of Neurotrauma

Abstract

Traumatic brain injury (TBI) is a risk factors for Alzheimer's disease (AD), and repetitive TBI (rTBI) may culminate in dementia pugilistica (DP), a syndrome characterized by progressive dementia, parkinsonism, and the hallmark brain lesions of AD, including neurofibrillary tangles (NFTs), formed by abnormal tau filaments and senile plaques (SPs) composed of Abeta fibrils. Previous study showed that mild rTBI (mrTBI) accelerated the deposition of Abeta in the brains of transgenic (Tg) mice (Tg2576) that over-express human Abeta precursor proteins with the familial AD Swedish mutations (APP695swe) and model of AD-like amyloidosis. Here, we report studies of the effects of mrTBI on AD-like tau pathologies in Tg mice expressing the shortest human tau isoform (T44) subjected to mrTBI, causing brain concussion without structural brain damage to simulate injuries linked to DP. Twelve-month-old Tg T44 (n = 18) and wild-type (WT; n = 24) mice were subjected to mrTBI (four times a day, 1 day per week, for 4 weeks; n = 24) or sham treatment (n = 18). Histopathological analysis of mice at 9 months after mrTBI revealed that one of the Tg T44 mice showed extensive telencephalic NFT and cerebral atrophy. Although statistical analysis of neurobehavioral tests at 6 months after mrTBI did not show any significant difference in any of groups of mice, the Tg T44 mouse with extensive NFT had an exceptionally low neurobehavioral score. The reasons for the augmentation of tau pathologies in only o…

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Crossref · 10.1089/neu.2005.22.1134

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  • Only transgenic tau mouse models [T44 (one mouse), hTau] displayed NFT pathology following repetitive TBI.

    “Similarly, only transgenic tau mouse models [T44 (one mouse), hTau] displayed NFT pathology following repetitive TBI (153, 234).”

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Authors
Yoshiyama, Y., Uryu, K., Higuchi, M., Longhi, L., Hoover, R., Fujimoto, S., McIntosh, T., Lee, V. M.-Y., & Trojanowski, J. Q.
Affiliations
  • University of Pennsylvania (US)
  • Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (IT)
Venue
Journal of Neurotrauma
Published
2005-10
Volume
22
Issue
10
Pages
1134-1141
ISSN
  • 0897-7151 (ISSN-L)
  • 1557-9042
OpenAlex
W2059869018
Cited by
133
References
0
Citations by year
2026: 1 · 2025: 2 · 2024: 3 · 2023: 4 · 2022: 4 · 2021: 4 · 2020: 9 · 2019: 12 · 2018: 10 · 2017: 8 · 2016: 10 · 2015: 13 · 2014: 11 · 2013: 14 · 2012: 4
FWCI
2.00
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurotrauma (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Neurological Disorders and Stroke (P50NS008803, NS P50-08803, NS R01-40978)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Epidemiology › Traumatic Brain Injury Research
  • Health Sciences › Medicine › Neurology › Traumatic Brain Injury and Neurovascular Disturbances
Keywords
repetitive mild traumatic brain injury, chronic traumatic encephalopathy, neurofibrillary tangles, tau pathology, brain atrophy, cognitive impairment, concussion, Alzheimer's disease, transgenic mouse model, amyloid-beta, amyloid plaques
MeSH terms
Animals, Atrophy, Brain Injuries, Cerebral Cortex, Cognition Disorders, Disease Models, Animal, Humans, Immunohistochemistry, Mice, Transgenic, Blotting, Western, Neurofibrillary Tangles, tau Proteins, Maze Learning, Tauopathies, Mice

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