Evidence map›Paper›PMID 26068055›Full record

Trial reportScientific reports2015

Total and Proteinase K-Resistant α-Synuclein Levels in Erythrocytes, Determined by their Ability to Bind Phospholipids, Associate with Parkinson's Disease.

Suaad Abd-Elhadi, Asaf Honig, Dganit Simhi-Haham, Meir Schechter, Eduard Linetsky, Tamir Ben-Hur, Ronit Sharon

Open access · goldAbstract readClinical Trial
In one paragraph

Trial report in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
2.2field-weighted citation impact, top 12% 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

28 citing papers in PubMed, 54 citations in OpenAlex.

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  17. Review
  18. The Role of Lipids in the Initiation of α-Synuclein Misfolding.Frontiers in cell and developmental biology · 2020
    Review
  19. 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 at 1 institution in 1 country.

Suaad Abd-ElhadiBiochemistry and Molecular Biology, IMRIC, The Hebrew University-Hadassah Medical School.
Asaf HonigDepartment of Neurology, The Agnes Ginges Center for Human Neurogenetics, Hadassah - Hebrew University medical Center.
Dganit Simhi-HahamBiochemistry and Molecular Biology, IMRIC, The Hebrew University-Hadassah Medical School.
Meir SchechterBiochemistry and Molecular Biology, IMRIC, The Hebrew University-Hadassah Medical School.
Eduard LinetskyDepartment of Neurology, The Agnes Ginges Center for Human Neurogenetics, Hadassah - Hebrew University medical Center.
Tamir Ben-HurDepartment of Neurology, The Agnes Ginges Center for Human Neurogenetics, Hadassah - Hebrew University medical Center.
Ronit SharonBiochemistry and Molecular Biology, IMRIC, The Hebrew University-Hadassah Medical School.
Hadassah Medical Center · IL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A marker for diagnosis of Parkinson's disease (PD), which reflects on the occurrence of peripheral pathogenic mechanisms, would potentially improve therapy. The significance of α-Synuclein (α-Syn) expression in red blood cells (RBC) is currently unclear. Here we investigated whether RBC's-expressed α-Syn may associate with PD. To this aim, we determined the levels of total and proteinase K-resistant α-Syn in samples of packed red blood cells (PRBCs). Twenty-one individuals with PD at various disease stages and 15 healthy controls, with similar demographic features, were recruited to this study. α-Syn levels were determined by their biochemical property to bind phospholipids, using a phospholipid-ELISA assay. A significantly lower ratio of total-to-proteinase K-resistant α-Syn levels was detected in PD patients than in the healthy control group. However, there was considerable overlap between the two groups. Suggesting a need for additional markers to be tested in combination with α-Syn levels. To the best of our knowledge, this is the first evidence for an association between RBCs-expressed α-Syn and pathogenic mechanisms involved in PD.

Indexed as

Gene Expression RegulationAdultAgedalpha-SynucleinEndopeptidase KErythrocytesFemaleHumansMaleMiddle AgedParkinson DiseasePhospholipidsProtein Bindingalpha-SynucleinEndopeptidase KPhospholipidsSNCA protein, human

Identifiers

PMID26068055
PMCPMC4464148
OpenAlexW2394980679

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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.