Cited by 106Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchParkinson's Disease Mechanisms and Treatments

PET Imaging of Neuropathology in Tauopathies: Progressive Supranuclear Palsy

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Kepe, Vladimir, Bordelon, Yvette, Boxer, Adam, Huang, Sung-Cheng, Liu, Jie, Thiede, Frederick C., Mazziotta, John C., Mendez, Mario F. +3 more·2013·Journal of Alzheimer's Disease

Abstract

OBJECTIVE: Currently [18F]FDDNP is the only PET imaging probe with the ability to visualize hyperphosphorylated tau fibrillar aggregates in living subjects. In this work, we evaluate in vivo [18F]FDDNP labeling of brain neuropathology, primarily tau fibrillar aggregates, in patients with progressive supranuclear palsy (PSP), a human tauopathy usually lacking amyloid-β deposits. METHODS: Fifteen patients with PSP received [18F]FDDNP PET scanning. [18F]FDDNP distribution volume ratios, in reference to cerebellar gray matter, were determined for cortical and subcortical areas and compared with those of patients with Parkinson's disease with short disease duration, and age-matched control subjects without neurodegenerative disorders. RESULTS: [18F]FDDNP binding was present in subcortical areas (e.g., striatum, thalamus, subthalamic region, midbrain, and cerebellar white matter) regardless of disease severity, with progressive subcortical and cortical involvement as disease severity increased. Brain patterns of [18F]FDDNP binding were entirely consistent with the known pathology distribution for PSP. High midbrain and subthalamic region [18F]FDDNP binding was distinctive for PSP subjects and separated them from controls and patients with Parkinson's disease. CONCLUSIONS: These results provide evidence that [18F]FDDNP is a sensitive in vivo PET imaging probe to map and quantify the dynamic regional localization of tau fibrillar aggregates in PSP. Furthermore, [18F]FDDNP PET may provide a tool to detect changes in tau pathology distribution either associated with disease progression or as a treatment biomarker for future tau-specific therapies. Patterns of [18F]FDDNP binding may also be useful in diagnosis early in disease presentation when clinical distinction among neurodegenerative disorders is often difficult.

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Authors
Kepe, V., Bordelon, Y., Boxer, A., Huang, S.-C., Liu, J., Thiede, F. C., Mazziotta, J. C., Mendez, M. F., Donoghue, N., Small, G. W., & Barrio, J. R.
Affiliations
  • University of California, Los Angeles (US)
  • University of California, San Francisco (US)
Venue
Journal of Alzheimer's Disease
Published
2013-06-04
Volume
36
Issue
1
Pages
145-153
ISSN
  • 1387-2877 (ISSN-L)
  • 1875-8908
OpenAlex
W1538352135
Cited by
106
References
36
Citations by year
2025: 3 · 2024: 1 · 2023: 6 · 2022: 5 · 2021: 8 · 2020: 8 · 2019: 6 · 2018: 11 · 2017: 12 · 2016: 16 · 2015: 15 · 2014: 12 · 2013: 3
FWCI
10.56
Type
journal article
Language
en
Open access
Locations
  • Journal of Alzheimer s Disease (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
National Institute on Aging (P01AG025831, P50AG016570, R01AG034499, R01AG031278, R01AG038791)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
Keywords
progressive supranuclear palsy
MeSH terms
Aged, Aged, 80 and over, Brain, Cerebellum, Corpus Striatum, Female, Humans, Male, Mesencephalon, Middle Aged, Nitriles, Parkinson Disease, Supranuclear Palsy, Progressive, Thalamus, Disease Progression, Positron-Emission Tomography, Neuroimaging

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