Evidence map›Paper›PMID 33969172›Full record

ArticleAlzheimer's & dementia (Amsterdam, Netherlands)2021

Cerebrospinal fluid biomarker panel for synaptic dysfunction in Alzheimer's disease.

Johanna Nilsson, Johan Gobom, Simon Sjödin, Gunnar Brinkmalm, Nicholas J Ashton, Johan Svensson, Per Johansson, Erik Portelius, Henrik Zetterberg, Kaj Blennow and 1 more

Open access · goldAbstract read
In one paragraph

Article in Alzheimer's & dementia (Amsterdam, Netherlands), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed, 1 pooled it
9.0field-weighted citation impact, top 1% of its field
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

56 citing papers in PubMed, 1 synthesis or guideline pooled it, 93 citations in OpenAlex.

  1. Pooled it
  2. Changes in serum β-synuclein precede blood biomarkers of Alzheimer pathology in Down syndrome.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026
    Article
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  6. Review
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  11. Review
  12. Associations between fluid biomarkers and PET imaging ([11C]UCB-J) of synaptic pathology in Alzheimer's disease.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
    Article
  13. Development and validation of a novel Simoa assay for NPTX2 in Alzheimer's disease and Down syndrome.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
    Article
  14. Article
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  17. Review
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  20. Exploring Intrinsic Disorder in Human Synucleins and Associated Proteins.International journal of molecular sciences · 2024
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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

11 authors at 4 institutions in 2 countries.

Johanna NilssonInstitute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden.ORCID https://orcid.org/0000-0002-2856-6060
Johan GobomInstitute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden.
Simon SjödinInstitute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden.
Gunnar BrinkmalmInstitute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden.
Nicholas J AshtonInstitute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden.
Johan SvenssonDepartment of Internal Medicine and Clinical Nutrition, Institute of Medicine The Sahlgrenska Academy at the University of Gothenburg Gothenburg Sweden.
Per JohanssonDepartment of Internal Medicine and Clinical Nutrition, Institute of Medicine The Sahlgrenska Academy at the University of Gothenburg Gothenburg Sweden.
Erik PorteliusClinical Neurochemistry Laboratory Sahlgrenska University Hospital Mölndal Sweden.
Henrik ZetterbergInstitute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden.
Kaj BlennowInstitute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden.
Ann BrinkmalmInstitute of Neuroscience and Physiology The Sahlgrenska Academy at the University of Gothenburg Mölndal Sweden.
Sahlgrenska University Hospital · SEUniversity of Gothenburg · SEKing's College London · GBLund University · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionSynaptic dysfunction and degeneration is one of the earliest events in Alzheimer's disease (AD) and the best correlate of cognitive decline. Thus, identification and validation of biomarkers reflecting synaptic degeneration to be used as prognostic biomarkers are greatly needed.

methodSolid-phase extraction and parallel reaction monitoring mass spectrometry were used to quantify 17 synaptic proteins in CSF, in two cross-sectional studies including AD (n = 52) and controls (n = 37).

resultsIncreased concentrations of beta-synuclein, gamma-synuclein, neurogranin, phosphatidylethanolamine-binding protein 1, and 14-3-3 proteins were observed in AD patients compared to controls, while neuronal pentraxin-2 and neuronal pentraxin receptor were decreased. DISCUSSION: We have established a method with a novel panel of synaptic proteins as biomarkers of synaptic dysfunction. The results indicate that several of the proteins included in the panel may serve as synaptic biomarkers for AD.

Indexed as

Alzheimer's diseasebiomarkersmass spectrometrysynaptic pathology

Identifiers

PMID33969172
PMCPMC8087978
OpenAlexW3162244350

What OpenQuestion holds

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LicenceCC BY-NC-ND
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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.