Cited by 1,104Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsMedical Imaging Techniques and Applications

Imaging β-amyloid burden in aging and dementia

Rowe, C. C., Ng, S., Ackermann, U., Gong, S. J., Pike, K., Savage, G., Cowie, T. F., Dickinson, K. L. +12 more·2007·Neurology

Abstract

OBJECTIVE: To compare brain beta-amyloid (Abeta) burden measured with [(11)C]Pittsburgh Compound B (PIB) PET in normal aging, Alzheimer disease (AD), and other dementias. METHODS: Thirty-three subjects with dementia (17 AD, 10 dementia with Lewy bodies [DLB], 6 frontotemporal dementia [FTD]), 9 subjects with mild cognitive impairment (MCI), and 27 age-matched healthy control subjects (HCs) were studied. Abeta burden was quantified using PIB distribution volume ratio. RESULTS: Cortical PIB binding was markedly elevated in every AD subject regardless of disease severity, generally lower and more variable in DLB, and absent in FTD, whereas subjects with MCI presented either an "AD-like" (60%) or normal pattern. Binding was greatest in the precuneus/posterior cingulate, frontal cortex, and caudate nuclei, followed by lateral temporal and parietal cortex. Six HCs (22%) showed cortical uptake despite normal neuropsychological scores. PIB binding did not correlate with dementia severity in AD or DLB but was higher in subjects with an APOE-epsilon4 allele. In DLB, binding correlated inversely with the interval from onset of cognitive impairment to diagnosis. CONCLUSIONS: Pittsburgh Compound B PET findings match histopathologic reports of beta-amyloid (Abeta) distribution in aging and dementia. Noninvasive longitudinal studies to better understand the role of amyloid deposition in the course of neurodegeneration and to determine if Abeta deposition in nondemented subjects is preclinical AD are now feasible. Our findings also suggest that Abeta may influence the development of dementia with Lewy bodies, and therefore strategies to reduce Abeta may benefit this condition.

Integrity signals

Registry

Crossref · 10.1212/01.wnl.0000261919.22630.ea

Cites

58 of 58 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • A similar proportion of individuals clinically diagnosed as AD dementia have normal amyloid PET or CSF Aβ42 studies.

    “and a similar proportion has normal amyloid PET or CSF Aβ42 studies [53–62].”
  • A similar proportion of cognitively unimpaired elderly persons has abnormal amyloid biomarkers.

    “and a similar proportion has abnormal amyloid biomarkers [33,53–55,60,70–73].”
  • PIB uptake and CSF Aβ42 are reliable surrogate markers of amyloid plaque pathology in living subjects.

    “A preponderance of evidence supports the interpretation that PIB uptake and CSF Aβ42 are reliable surrogate markers of amyloid plaque pathology in living subjects (15-19).”
  • Studies of non-demented elderly cohorts overall report approximately 20-40% are PIB-positive.

    “Studies of non-demented elderly cohorts overall report approximately 20–40% are PIB-positive [67, 68, 71–78].”

    From Brain aging, Alzheimer's disease, and mitochondria (2011) · cites this paper as [73]

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Rowe, C. C., Ng, S., Ackermann, U., Gong, S. J., Pike, K., Savage, G., Cowie, T. F., Dickinson, K. L., Maruff, P., Darby, D., Smith, C., Woodward, M., Merory, J., Tochon-Danguy, H., O'Keefe, G., Klunk, W. E., Mathis, C. A., Price, J. C., Masters, C. L., & Villemagne, V. L.
Affiliations
  • The University of Melbourne (AU)
  • From the Department of Nuclear Medicine (C.C.R., S.N., U.A., S.J.G., K.L.D., C.S., H.T.-D., G.O.,V.L.V.), Centre for PET, Austin Health, Heidelberg, Departments of Medicine and Aged Care (C.C.R, M.W., J.M.), Austin Health, University of Melbourne, School of Psychology (K.P., G.S.), Psychiatry and Psychological Medicine, Monash University, Melbourne, Department of Pathology (T.F.C., C.L.M., V.L.V.), University of Melbourne, Cogstate Pty Ltd.(P.M., D.D.), Melbourne, and Mental Health Research...
Corresponding author
Ng, S.
Venue
Neurology
Published
2007-05-15
Volume
68
Issue
20
Pages
1718-1725
ISSN
  • 0028-3878 (ISSN-L)
  • 1526-632X
OpenAlex
W2040434160
Cited by
1,104
References
58
Citations by year
2026: 7 · 2025: 17 · 2024: 10 · 2023: 22 · 2022: 30 · 2021: 28 · 2020: 42 · 2019: 38 · 2018: 48 · 2017: 42 · 2016: 70 · 2015: 66 · 2014: 85 · 2013: 86 · 2012: 69
FWCI
67.02
Type
journal article
Language
en
Open access
closed
Locations
  • Neurology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Medical Imaging Techniques and Applications
Keywords
amyloid-beta, Pittsburgh compound B, amyloid PET, Alzheimer's disease, dementia with Lewy bodies, frontotemporal dementia, mild cognitive impairment, normal aging, APOE ε4, preclinical Alzheimer's disease, amyloid deposition, neurodegeneration
MeSH terms
Aged, Aged, 80 and over, Aging, Alzheimer Disease, Aniline Compounds, Apolipoproteins E, Brain Chemistry, Carbon Radioisotopes, Cognition Disorders, Dementia, Female, Gyrus Cinguli, Humans, Magnetic Resonance Imaging, Male, Middle Aged, Radionuclide Imaging, Thiazoles, Amyloid beta-Peptides, Radiopharmaceuticals, Neocortex, Lewy Body Disease

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review