Cited by 36Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatmentsDementia and Cognitive Impairment Research

In vivo evidence for pre‐symptomatic neuroinflammation in a MAPT mutation carrier

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Bevan‐Jones, W. Richard, Cope, Thomas E., Jones, P. Simon, Passamonti, Luca, Hong, Young T., Fryer, Tim, Arnold, Robert, Coles, Jonathan P. +3 more·2019·Annals of Clinical and Translational Neurology

Abstract

Neuroinflammation occurs in frontotemporal dementia, however its timing relative to protein aggregation and neuronal loss is unknown. Using positron emission tomography and magnetic resonance imaging to quantify these processes in a pre‐symptomatic carrier of the 10 + 16 MAPT mutation, we show microglial activation in frontotemporal regions, despite a lack of protein aggregation or atrophy in these areas. The distribution of microglial activation better discriminated the carrier from controls than did protein aggregation at this pre‐symptomatic disease stage. Our findings suggest an early role for microglial activation in frontotemporal dementia. Longitudinal studies are needed to explore the causality of this pathophysiological association.

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  • The presymptomatic dissociation of 11C-PK-11195 and 18F-AV-1451 binding argues strongly against simple cross-affinity.

    “Moreover, the presymptomatic dissociation of 11C-PK-11195 and 18F-AV-1451 binding (Bevan-Jones et al., 2019) argues strongly against simple cross-affinity.”
  • A previous report of a MAPT mutation carrier described high [11C]PK11195 binding without significant [18F]AV-1451 binding, suggesting the two ligands are not equivalent in their binding.

    “However, a previous report of a carrier of a MAPT genetic mutation described high [11C]PK11195 binding in the absence of significant [18F]AV-1451 binding36, which suggests that despite the potential for a common target, the two ligands are not equivalent in their binding.”

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Authors
Bevan‐Jones, W. R., Cope, T. E., Jones, P. S., Passamonti, L., Hong, Y. T., Fryer, T., Arnold, R., Coles, J. P., Aigbirhio, F. I., O'Brien, J. T., & Rowe, J. B.
Affiliations
  • Department of Psychiatry University of Cambridge Cambridge United Kingdom
  • University of Cambridge (GB)
  • MRC Cognition and Brain Sciences Unit (GB)
Venue
Annals of Clinical and Translational Neurology
Publisher
Wiley
Published
2019-01-02
Volume
6
Issue
2
Pages
373-378
ISSN
2328-9503 (ISSN-L)
OpenAlex
W2907433922
Cited by
36
References
30
Citations by year
2026: 3 · 2025: 2 · 2024: 4 · 2023: 6 · 2022: 1 · 2021: 6 · 2020: 11 · 2019: 2 · 2018: 1
FWCI
2.20
Type
journal article
Language
en
Open access
Locations
  • Annals of Clinical and Translational Neurology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Apollo (University of Cambridge) (submittedVersion, cc-by)
  • Apollo (cc-by)
Funders
  • National Institute for Health Research
  • Wellcome Trust (103838)
  • Patrick Berthoud Charitable Trust
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
frontotemporal dementia, MAPT mutations, microglial activation, tau aggregation, mutation carriers, positron emission tomography, magnetic resonance imaging
MeSH terms
Atrophy, Brain, Female, Heterozygote, Humans, Longitudinal Studies, Magnetic Resonance Imaging, Middle Aged, Mutation, tau Proteins, Positron-Emission Tomography, Frontotemporal Dementia

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