Cited by 102Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatmentsDementia and Cognitive Impairment Research

Patterns of microglial cell activation in frontotemporal lobar degeneration

Lant, Suzannah B., Robinson, Andrew C., Thompson, Jennifer C., Rollinson, Sara, Pickering‐Brown, Stuart, Snowden, Julie S., Davidson, Yvonne S., Gerhard, Alexander +1 more·2014·Neuropathology and Applied Neurobiology

Abstract

Aims: Pathological heterogeneity within patients with frontotemporal lobar degeneration (FTLD) in general precludes the accurate assignment of diagnostic subtype in life. The aim of this study was to assess the extent of microglial cell activation in FTLD in order to determine whether it might be possible to employ this as a diagnostic marker in vivo using PET ligand [11 C](R)‐PK 11195 in order to differentiate cases of FTLD according to histological subtype. Methods: The distribution and extent of microglial cell activation was assessed semi‐quantitatively in cortical grey and subcortical white matter of CD 68 immunostained sections of frontal and temporal cortex from 78 pathologically confirmed cases of FTLD, 13 of A lzheimer's disease (AD) and 13 controls. Results: Significantly higher levels of microglial cell activation than controls occurred in all four regions in FTLD, and in three of the four regions in AD. Microglial activation was greater in frontal subcortical white matter in FTLD than AD, whereas it was higher in temporal cortical grey matter in AD than FTLD. Microglial cell activation was significantly higher in temporal subcortical white matter in FTLD‐MAPT than in other genetic (GRN, C9ORF72) or non‐genetic forms of FTLD. Conclusions: The present study suggests that high levels of microglial cell involvement in temporal lobe (subcortical white matter) might serve as a marker of inherited FTLD associated with intronic mutations in MAPT, with a relatively intense signal in this region in PET studies using [11 C](R)‐PK 11195 as microglial cell marker could indicate the presence of MAPT mutation in vivo.

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Crossref · 10.1111/nan.12092

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13 of 13 references verified0 citation errors · 0 not checkable

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  • It is well established that an innate immune response, characterized by activated microglia, is a feature of the neuropathology of FTD.

    “It is well established that an innate immune response, characterized by activated microglia, is a feature of the neuropathology of FTD (Lant et al., 2014).”
  • In vivo PET and immunohistochemistry studies found increased microglial activation in the frontal and temporal cortices of patients with FTD.

    “In vivo PET studies320,321 and immunohistochemistry studies322–324 have found increased microglial activation in the frontal and temporal cortices of patients with FTD.”
  • Earlier autopsy work in FTD found increased microglial activation in tau- and TDP-43-related pathologies.

    “Previous post mortem evidence in FTD reported upregulated microglial activation in both tau and TDP-related pathologies [15].”

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Authors
Lant, S. B., Robinson, A. C., Thompson, J. C., Rollinson, S., Pickering‐Brown, S., Snowden, J. S., Davidson, Y. S., Gerhard, A., & Mann, D. M. A.
Affiliations
  • University of Manchester (GB)
  • Clinical and Cognitive Sciences Research Group Institute of Brain, Behaviour and Mental Health Faculty of Medical and Human Sciences University of Manchester, Salford Royal Hospital Salford UK
Corresponding author
Mann, David M. A.
Venue
Neuropathology and Applied Neurobiology
Publisher
Wiley
Published
2014-09-25
Volume
40
Issue
6
Pages
686-696
ISSN
  • 0305-1846 (ISSN-L)
  • 1365-2990
OpenAlex
W1895989725
Cited by
102
References
13
Citations by year
2026: 4 · 2025: 5 · 2024: 18 · 2023: 13 · 2022: 9 · 2021: 7 · 2020: 13 · 2019: 7 · 2018: 9 · 2017: 9 · 2016: 1 · 2015: 5 · 2014: 1 · 2013: 1
FWCI
1.49
Type
journal article
Language
en
Open access
closed
Locations
  • Neuropathology and Applied Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
  • Research Explorer (The University of Manchester) (publishedVersion)
Funders
Wellcome Trust (089701)
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 lobar degeneration, microglial activation, [11C](R)-PK11195, positron emission tomography, Alzheimer's disease, MAPT mutations, GRN mutations, C9orf72, diagnostic biomarkers
MeSH terms
Adult, Aged, Aged, 80 and over, Alzheimer Disease, Brain, Female, Humans, Male, Middle Aged, Biomarkers, Microglia, Frontotemporal Lobar Degeneration, White Matter, Gray Matter

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