Cited by 450Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsCerebrospinal fluid and hydrocephalus

Cerebrospinal fluid p-tau217 performs better than p-tau181 as a biomarker of Alzheimer's disease

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Janelidze, Shorena, Stomrud, Erik, Smith, Ruben, Palmqvist, Sebastian, Mattsson, Niklas, Airey, David C., Proctor, Nicholas K., Chai, Xiyun +9 more·2020·Nature Communications

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Abstract

Cerebrospinal fluid (CSF) p-tau181 (tau phosphorylated at threonine 181) is an established biomarker of Alzheimer’s disease (AD), reflecting abnormal tau metabolism in the brain. Here we investigate the performance of CSF p-tau217 as a biomarker of AD in comparison to p-tau181. In the Swedish BioFINDER cohort ( n = 194), p-tau217 shows stronger correlations with the tau positron emission tomography (PET) tracer [ 18 F]flortaucipir, and more accurately identifies individuals with abnormally increased [ 18 F]flortaucipir retention. Furthermore, longitudinal increases in p-tau217 are higher compared to p-tau181 and better correlate with [ 18 F]flortaucipir uptake. P-tau217 correlates better than p-tau181 with CSF and PET measures of neocortical amyloid-β burden and more accurately distinguishes AD dementia from non-AD neurodegenerative disorders. Higher correlations between p-tau217 and [ 18 F]flortaucipir are corroborated in an independent EXPEDITION3 trial cohort ( n = 32). The main results are validated using a different p-tau217 immunoassay. These findings suggest that p-tau217 might be more useful than p-tau181 in the diagnostic work up of AD.

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Authors
Janelidze, S., Stomrud, E., Smith, R., Palmqvist, S., Mattsson, N., Airey, D. C., Proctor, N. K., Chai, X., Shcherbinin, S., Sims, J. R., Triana-Baltzer, G., Theunis, C., Slemmon, R., Mercken, M., Kolb, H., Dage, J. L., & Hansson, O.
Affiliations
  • Lund University (SE)
  • Eli Lilly (United States) (US)
  • Janssen (Belgium) (BE)
  • Janssen Research & Development (United States) (US)
Corresponding author
  • Janelidze, Shorena
  • Kolb, Hartmuth
  • Dage, Jeffrey L.
  • Hansson, Oskar
Venue
Nature Communications
Published
2020-04-03
Volume
11
Issue
1
Pages
1683-1683
ISSN
2041-1723 (ISSN-L)
OpenAlex
W3014779409
Cited by
450
References
20
Citations by year
2026: 45 · 2025: 86 · 2024: 77 · 2023: 52 · 2022: 71 · 2021: 89 · 2020: 29
FWCI
43.96
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • medRxiv (acceptedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
  • Lund University Publications (Lund University) (submittedVersion)
Funders
  • Eli Lilly and Company
  • Australian Government
  • Lunds Universitet
  • Knut och Alice Wallenbergs Stiftelse
  • Vetenskapsrådet
  • Skånes universitetssjukhus
  • Marcus och Amalia Wallenbergs minnesfond
  • Parkinsonfonden
  • Avid Radiopharmaceuticals
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
Alzheimer's disease, cerebrospinal fluid biomarkers, p-tau217, p-tau181, tau phosphorylation, 18F-flortaucipir, tau PET, amyloid-beta, differential diagnosis of dementia, longitudinal biomarker changes
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Brain, Carbolines, Contrast Media, Diagnosis, Differential, Feasibility Studies, Female, Humans, Male, Middle Aged, Phosphorylation, Sweden, Biomarkers, tau Proteins, Positron-Emission Tomography

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