Cited by 119Parkinson's Disease Mechanisms and TreatmentsDementia and Cognitive Impairment ResearchAlzheimer's disease research and treatments

Subcortical 18F‐AV‐1451 binding patterns in progressive supranuclear palsy

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Cho, Hanna, Choi, Jae Yong, Hwang, Mi Song, Lee, Seung Ha, Ryu, Young Hoon, Lee, Myung Sik, Lyoo, Chul Hyoung·2017·Movement Disorders

Abstract

Background: Accumulation of cortical and subcortical tau pathology is the primary pathological substrate for progressive supranuclear palsy (PSP). 18 F‐AV‐1451, a radiotracer that binds to the pathological tau protein, may be helpful for in vivo visualization and quantitation of tau pathology in PSP. Objectives: The objectives of this study were to investigate cortical and subcortical 18 F‐AV‐1451 binding patterns in patients with PSP. Methods: We recruited 14 PSP patients and compared their cortical and subcortical binding patterns in 18 F‐AV‐1451 positron emission tomography (PET) studies with those of 15 Parkinson's disease (PD) patients and 15 healthy controls. Results: In both the PD and PSP groups, subcortical 18 F‐AV‐1451 binding did not correlate with the severity of motor dysfunctions, and cortical binding did not differ between the controls and each patient group. However, the PSP patients showed greater 18 F‐AV‐1451 binding in the putamen, globus pallidus, subthalamic nucleus, and dentate nucleus when compared with the controls, whereas the PD patients showed lower 18 F‐AV‐1451 binding in the substantia nigra than controls. Conclusions: The PSP and PD patients showed distinct subcortical 18 F‐AV‐1451 binding patterns reflecting subcortical tau pathology in PSP and reduced nigral neuromelanin in PD. However, there was no correlation with the severity of motor dysfunction, no cortical regions with increased binding in PSP patients, and variable degrees of subcortical binding even in the controls. Therefore, the 18 F‐AV‐1451 PET may be less than ideal for assessing tau pathology in PSP. Further studies will be required to validate the clinical correlation and to understand the clinical utility of 18 F‐AV‐1451 PET for PSP patients. © 2016 International Parkinson and Movement Disorder Society

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Crossref · 10.1002/mds.26844

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  • Earlier PET investigations have detected alterations in PSP with ligands for tau and for microglial activation.

    “Previous positron emission tomography (PET) has indicated changes in PSP using ligands targeting tau8–16 and microglial activation17,18.”
  • Only a few previous studies have explored how [11C]PK11195 and [18F]AV-1451 binding relate to disease severity in PSP.

    “This finding adds relevant information to the literature as only a few previous studies have explored how [11C]PK11195 and [18F]AV-1451 binding relate to disease severity in PSP8,9,13,14,16,18.”
  • In PSP, higher [18F]AV-1451 binding is found in subcortical rather than cortical regions, consistent with the known distribution of PSP-Richardson's syndrome.

    “In PSP, higher [18F]AV-1451 binding has been found in sub-cortical rather than cortical regions (the reverse for AD), consistent with the well-established cortical versus sub-cortical distribution of PSP-Richardson’s syndrome8–10,13,14,16.”

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Authors
Cho, H., Choi, J. Y., Hwang, M. S., Lee, S. H., Ryu, Y. H., Lee, M. S., & Lyoo, C. H.
Affiliations
Yonsei University (KR)
Corresponding author
Lyoo, Chul Hyoung
Venue
Movement Disorders
Publisher
Wiley
Published
2016-11-03
Volume
32
Issue
1
Pages
134-140
ISSN
  • 0885-3185 (ISSN-L)
  • 1531-8257
OpenAlex
W2546563765
Cited by
119
References
23
Citations by year
2025: 6 · 2024: 8 · 2023: 7 · 2022: 11 · 2021: 13 · 2020: 13 · 2019: 16 · 2018: 18 · 2017: 25 · 2016: 2
FWCI
15.29
Type
journal article
Language
en
Open access
Locations
  • Movement Disorders (publishedVersion)
  • PubMed (publishedVersion)
  • YUHSpace (Yonsei University Medical Library) (submittedVersion, cc-by-nc-nd)
Funders
National Research Foundation of Korea (NRF) (2015R1C1A2A01054507)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
progressive supranuclear palsy, 18F-AV-1451, tau PET imaging, Parkinson's disease, putamen, globus pallidus, subthalamic nucleus, dentate nucleus
MeSH terms
Aged, Carbolines, Cerebellar Nuclei, Female, Globus Pallidus, Humans, Male, Middle Aged, Parkinson Disease, Putamen, Supranuclear Palsy, Progressive, tau Proteins, Subthalamic Nucleus, Positron-Emission Tomography

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