Evidence map›Paper›PMID 32973179›Full record

ArticleScientific reports2020

Blood biomarkers indicate that the preclinical stages of Alzheimer's disease present overlapping molecular features.

Alfonso Di Costanzo, Debora Paris, Dominique Melck, Antonella Angiolillo, Gaetano Corso, Mauro Maniscalco, Andrea Motta

Abstract read
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

21 citing papers in PubMed.

  1. Trial
  2. Article
  3. Article
  4. Observational
  5. Artificial intelligence for biomarker discovery in Alzheimer's disease and dementia.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2023
    Review
  6. Article
  7. Article
  8. Article
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  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Alfonso Di Costanzo *1Centre for Research and Training in Medicine for Aging, Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, 86100, Campobasso, Italy.
Debora Paris *Institute of Biomolecular Chemistry, National Research Council, 80078, Pozzuoli, Naples, Italy. debora.paris@icb.cnr.it.
Dominique MelckInstitute of Biomolecular Chemistry, National Research Council, 80078, Pozzuoli, Naples, Italy.
Antonella Angiolillo1Centre for Research and Training in Medicine for Aging, Department of Medicine and Health Sciences "Vincenzo Tiberio", University of Molise, 86100, Campobasso, Italy.
Gaetano CorsoDepartment of Clinical and Experimental Medicine, University of Foggia, 71122, Foggia, Italy.
Mauro ManiscalcoPulmonary Rehabilitation Unit, ICS Maugeri SpA SB, Institute of Telese Terme, 82037, Telese Terme, Benevento, Italy.ORCID http://orcid.org/0000-0001-6751-9921
Andrea MottaInstitute of Biomolecular Chemistry, National Research Council, 80078, Pozzuoli, Naples, Italy. andrea.motta@icb.cnr.it.ORCID http://orcid.org/0000-0002-8643-658X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

It is still debated whether non-specific preclinical symptoms of Alzheimer's disease (AD) can have diagnostic relevance. We followed the evolution from cognitively normal to AD by NMR-based metabolomics of blood sera. Multivariate statistical analysis of the NMR profiles yielded models that discriminated subjective memory decline (SMD), mild cognitive impairment (MCI) and AD. We validated a panel of six statistically significant metabolites that predicted SMD, MCI and AD in a blind cohort with sensitivity values ranging from 88 to 95% and receiver operating characteristic values from 0.88 to 0.99. However, lower values of specificity, accuracy and precision were observed for the models involving SMD and MCI, which is in line with the pathological heterogeneity indicated by clinical data. This excludes a "linear" molecular evolution of the pathology, pointing to the presence of overlapping "gray-zones" due to the reciprocal interference of the intermediate stages. Yet, the clear difference observed in the metabolic pathways of each model suggests that pathway dysregulations could be investigated for diagnostic purposes.

Indexed as

AgedAlzheimer DiseaseBiomarkersCognitive DysfunctionDisease ProgressionFemaleHumansMagnetic Resonance ImagingMaleMiddle AgedROC CurveBiomarkers

Identifiers

PMID32973179
PMCPMC7515866

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.