Cited by 13Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsCerebrospinal fluid and hydrocephalus

Anti-Correlated Cerebrospinal Fluid Biomarker Trajectories in Preclinical Alzheimer’s Disease

Gomar, Jesus J., Conejero-Goldberg, Concepcion, Davies, Peter, Goldberg, Terry E., for the Alzheimer’s Disease Neuroimaging Initiative·2016·Journal of Alzheimer’s Disease

Abstract

Background: The earliest stage of preclinical Alzheimer’s disease (AD) is defined by low levels of cerebrospinal fluid (CSF) amyloid-β (Aβ 42 ). However, covariance in longitudinal dynamic change of Aβ 42 and tau in incipient preclinical AD is poorly understood. Objective: To examine dynamic interrelationships between Aβ 42 and tau in preclinical AD. Methods: We followed 47 cognitively intact participants (CI) with available CSF data over four years in ADNI. Based on longitudinal Aβ 42 levels in CSF, CI were classified into three groups: 1) Aβ 42 stable with normal levels of Aβ 42 over time ( n = 15); 2) Aβ 42 declining with normal Aβ 42 levels at baseline but showing decline over time ( n = 14); and 3) Aβ 42 levels consistently abnormal ( n = 18). Results: In the Aβ 42 declining group, suggestive of incipient preclinical AD, CSF phosphorylated tau (p-tau) showed a similar longitudinal pattern of increasing abnormality over time ( p = 0.0001). Correlation between longitudinal slopes of Aβ 42 and p-tau confirmed that both trajectories were anti-correlated (rho = –0.60; p = 0.02). Regression analysis showed that Aβ 42 slope (decreasing Aβ 42 ) predicted p-tau slope (increasing p-tau) (R 2 = 0.47, p = 0.03). Atrophy in the hippocampus was predicted by the interaction of Aβ 42 and p-tau slopes ( p < 0.0001) only in this incipient preclinical AD group. In all groups combined, memory decline was predicted by p-tau. Conclusions: The evolution of Aβ 42 and p-tau CSF biomarkers in CI subjects follows an anti-correlated trajectory, i.e., as Aβ 42 declined, p-tau increased, and thus was suggestive of strong temporal coincidence. Rapid pathogenic cross-talk between Aβ 42 and p-tau thus may be evident in very early stages of preclinical AD.

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Crossref · 10.3233/jad-150937

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  • In individuals with low baseline WMH, the strong correlation between Aβ accumulation and p-Tau217 change suggests a rapid pathogenetic cross-talk and a temporal sequence of successive amyloid and tau phosphorylation in early pre-clinical stage.

    “Individuals with low baseline WMH exhibited a strong correlation between Aβ accumulation and p‐Tau217 change, consistent with previous findings, 33 , 36 , 37 suggesting a rapid pathogenetic cross‐talk and a temporal sequence of successive amyloid and tau phosphorylation in this early pre‐clinical stage.”

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Authors
Gomar, J. J., Conejero-Goldberg, C., Davies, P., Goldberg, T. E., & Initiative, F. T. A. D. N.
Affiliations
  • The Litwin-Zucker Research Center, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, USA
  • Northwell Health (US)
Corresponding author
Goldberg, Terry E.
Venue
Journal of Alzheimer’s Disease
Published
2016-02-26
Volume
51
Issue
4
Pages
1085-1097
ISSN
  • 1387-2877 (ISSN-L)
  • 1875-8908
OpenAlex
W2291588658
Cited by
13
References
46
Citations by year
2025: 1 · 2023: 1 · 2022: 1 · 2021: 1 · 2019: 2 · 2018: 3 · 2017: 2 · 2016: 2
FWCI
2.66
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Alzheimer s Disease (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of Defense
  • BioClinica
  • Eisai
  • National Institute on Aging (R01AG038734)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Cerebrospinal fluid and hydrocephalus
Keywords
preclinical Alzheimer's disease, cerebrospinal fluid biomarkers
MeSH terms
Adult, Aged, Aged, 80 and over, Alzheimer Disease, Atrophy, Brain, Female, Humans, Longitudinal Studies, Magnetic Resonance Imaging, Male, Middle Aged, Neuropsychological Tests, Peptide Fragments, Regression Analysis, Amyloid beta-Peptides, tau Proteins, Disease Progression, Statistics, Nonparametric, Prodromal Symptoms

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