Cited by 183Alzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration MechanismsDementia and Cognitive Impairment Research

T-Cells in Alzheimer's Disease

Town, Terrence, Tan, Jun, Flavell, Richard A., Mullan, Mike·2005·NeuroMolecular Medicine

Abstract

Alzheimer's disease (AD) is the most common dementing illness and is pathologically characterized by deposition of the 40-42 amino acid peptide, amyloid-beta (Abeta), as senile plaques. It is well documented that brain inflammatory mechanisms mediated by reactive glia are activated in response to Abeta plaques. A number of reports further suggest that T-cells are activated in AD patients, and that these cells exist both in the periphery and as infiltrates in the brain. We explore the potential role of T-cells in the AD process, a controversial area, by reviewing reports that show disturbed activation profiles and/or altered numbers of various subsets of T-cells in the circulation as well as in the AD brain parenchyma and in cerebral amyloid angiopathy. We also discuss the recent Abeta immunotherapy approach vis-à-vis the activated, autoaggressive T-cell infiltrates that contributed to aseptic meningoencephalitis in a small percentage of patients, and present possible alternative approaches that may be both efficacious and safe. Finally, we explore the use of mouse models of AD as a system within which to definitively test the possible contribution of T-cells to AD pathogenesis.

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Registry

Crossref · 10.1385/nmm:7:3:255

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65 of 65 references verified0 citation errors · 0 not checkable

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Authors
Town, T., Tan, J., Flavell, R. A., & Mullan, M.
Affiliations
  • Yale University (US)
  • University of South Florida (US)
  • Howard Hughes Medical Institute (US)
  • Roskamp Institute (US)
Corresponding author
Mullan, Mike
Venue
NeuroMolecular Medicine
Published
2005
Volume
7
Issue
3
Pages
255-264
ISSN
1535-1084 (ISSN-L)
OpenAlex
W1992860518
Cited by
183
References
66
Citations by year
2026: 2 · 2025: 2 · 2024: 7 · 2023: 9 · 2022: 12 · 2021: 11 · 2020: 13 · 2019: 11 · 2018: 11 · 2017: 12 · 2016: 7 · 2015: 10 · 2014: 13 · 2013: 15 · 2012: 8
FWCI
3.20
Type
journal article
Language
en
Open access
closed
Locations
  • NeuroMolecular Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Alzheimer's disease, T cells, amyloid-beta, amyloid plaques, cerebral amyloid angiopathy, neuroinflammation, reactive glia, T cell activation, aseptic meningoencephalitis, amyloid-beta immunotherapy, mouse models of Alzheimer's disease
MeSH terms
Alzheimer Disease, Humans, Immunity, Innate, Immunotherapy, Lymphocyte Activation, T-Lymphocytes, Cerebral Amyloid Angiopathy, Microglia, Plaque, Amyloid

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