Cited by 353Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchCerebrospinal fluid and hydrocephalus

Cerebrospinal fluid tau and ptau181 increase with cortical amyloid deposition in cognitively normal individuals: Implications for future clinical trials of Alzheimer's disease

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Fagan, Anne M., Mintun, Mark A., Shah, Aarti R., Aldea, Patricia, Roe, Catherine M., Mach, Robert H., Marcus, Daniel, Morris, John C. +1 more·2009·EMBO Molecular Medicine

Abstract

Alzheimer's disease (AD) pathology is estimated to develop many years before detectable cognitive decline. Fluid and imaging biomarkers may identify people in early symptomatic and even preclinical stages, possibly when potential treatments can best preserve cognitive function. We previously reported that cerebrospinal fluid (CSF) levels of amyloid-beta(42) (Abeta(42)) serve as an excellent marker for brain amyloid as detected by the amyloid tracer, Pittsburgh compound B (PIB). Using data from 189 cognitively normal participants, we now report a positive linear relationship between CSF tau/ptau(181) (primary constituents of neurofibrillary tangles) with the amount of cortical amyloid. We observe a strong inverse relationship of cortical PIB binding with CSF Abeta(42) but not for plasma Abeta species. Some individuals have low CSF Abeta(42) but no cortical PIB binding. Together, these data suggest that changes in brain Abeta(42) metabolism and amyloid formation are early pathogenic events in AD, and that significant disruptions in CSF tau metabolism likely occur after Abeta(42) initially aggregates and increases as amyloid accumulates. These findings have important implications for preclinical AD diagnosis and treatment.

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Authors
Fagan, A. M., Mintun, M. A., Shah, A. R., Aldea, P., Roe, C. M., Mach, R. H., Marcus, D., Morris, J. C., & Holtzman, D. M.
Affiliations
Washington University in St. Louis (US)
Corresponding author
Fagan, Anne M.
Venue
EMBO Molecular Medicine
Published
2009-11-26
Volume
1
Issue
8-9
Pages
371-380
ISSN
  • 1757-4676 (ISSN-L)
  • 1757-4684
OpenAlex
W2166207589
Cited by
353
References
50
Citations by year
2026: 15 · 2025: 10 · 2024: 8 · 2023: 18 · 2022: 14 · 2021: 26 · 2020: 21 · 2019: 18 · 2018: 15 · 2017: 18 · 2016: 28 · 2015: 21 · 2014: 28 · 2013: 34 · 2012: 23
FWCI
17.45
Type
journal article
Language
en
Open access
Locations
  • EMBO Molecular Medicine (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute of Aging of the National Institutes of Health (P50 AG05681, P01 AG03991, P01 AG026276, P30 NS057105)
  • National Institute of Neurological Disorders and Stroke (P30 NS048056)
  • National Center for Research Resources, NIH Roadmap for Medical Research (UL1 RR024992)
  • Dana Foundation
  • Charles and Joanne Knight Alzheimer Research Initiative
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Cerebrospinal fluid and hydrocephalus
Keywords
Alzheimer's disease, cerebrospinal fluid tau, phosphorylated tau, p-tau181, cortical amyloid deposition, amyloid-beta 42, Pittsburgh compound B, neurofibrillary tangles, preclinical Alzheimer's disease, cerebrospinal fluid biomarkers, amyloid-beta metabolism, plasma amyloid-beta, early diagnosis, inclusion and exclusion criteria
MeSH terms
Adult, Aged, Aged, 80 and over, Alzheimer Disease, Amyloid, Aniline Compounds, Cerebellar Cortex, Female, Humans, Male, Middle Aged, Protein Binding, Thiazoles, Amyloid beta-Peptides, Neurofibrillary Tangles, Positron-Emission Tomography

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