Evidence map›Paper›PMID 33947010›Full record

ArticleInternational journal of molecular sciences2021

A Pilot Study of Changes in the Level of Catecholamines and the Activity of α-2-Macroglobulin in the Tear Fluid of Patients with Parkinson's Disease and Parkinsonian Mice.

Vsevolod Bogdanov, Alexander Kim, Marina Nodel, Tatiana Pavlenko, Ekaterina Pavlova, Victor Blokhin, Natalia Chesnokova, Michael Ugrumov

Open access · goldAbstract readComparative Study
In one paragraph

Article in International journal of molecular sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
2.7field-weighted citation impact, top 10% 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

12 citing papers in PubMed, 1 synthesis or guideline pooled it, 21 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Review
  4. Article
  5. Review
  6. Article
  7. Early diagnosis of Parkinson's disease: biomarker study.Frontiers in aging neuroscience · 2025
    Review
  8. In Silico Neuroprotective Effects of SpecificInternational journal of molecular sciences · 2023
    Article
  9. Article
  10. Article
  11. Review
  12. Article
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

8 authors at 3 institutions in 1 country.

Vsevolod BogdanovKoltzov Institute of Developmental Biology of the Russian Academy of Sciences, 26 Vavilova Street, 119334 Moscow, Russia.
Alexander KimKoltzov Institute of Developmental Biology of the Russian Academy of Sciences, 26 Vavilova Street, 119334 Moscow, Russia.ORCID 0000-0003-3636-1820
Marina NodelSechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation, 8/2 Trubetskaya Street, 119991 Moscow, Russia.
Tatiana PavlenkoHelmholtz Moscow Research Institute of Eye Diseases of the Ministry of Health of the Russian Federation, 14/19 Sadovaya-Chernogryazskaya Street, 105062 Moscow, Russia.
Ekaterina PavlovaKoltzov Institute of Developmental Biology of the Russian Academy of Sciences, 26 Vavilova Street, 119334 Moscow, Russia.
Victor BlokhinKoltzov Institute of Developmental Biology of the Russian Academy of Sciences, 26 Vavilova Street, 119334 Moscow, Russia.
Natalia ChesnokovaHelmholtz Moscow Research Institute of Eye Diseases of the Ministry of Health of the Russian Federation, 14/19 Sadovaya-Chernogryazskaya Street, 105062 Moscow, Russia.
Michael UgrumovKoltzov Institute of Developmental Biology of the Russian Academy of Sciences, 26 Vavilova Street, 119334 Moscow, Russia.
Koltzov Institute of Developmental Biology · RUHelmholtz Moscow Research Institute of Eye Diseases · RUSechenov University · RU

Funding

Ministry of Science and Higher Education of the Russian Federation grant agreement № 075-15-2020-795, state contract № 13.1902.21.0027 of 29.09.2020, unique project ID: RF-190220X0027
6 · The paper itself

Abstract

Development of differential and early (preclinical) diagnostics of Parkinson's disease (PD) is among the priorities in neuroscience. We searched for changes in the level of catecholamines and α-2-macroglobulin activity in the tear fluid (TF) in PD patients at an early clinical stage. It was shown that TF in patients is characterized by an increased level of noradrenaline mainly on the ipsilateral side of pronounced motor symptoms (72%,

Indexed as

1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineAnimalsArea Under CurveBiomarkersCase-Control StudiesCatecholaminesCorpus StriatumEarly DiagnosisFemaleHumansLacrimal ApparatusMaleMiceMice, Inbred C57BLMiddle AgedMotor Activity1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineBiomarkersCatecholaminesPregnancy-Associated alpha 2-Macroglobulinsbiomarkerscatecholamineslacrimal glandsmiceMPTPParkinson’s diseasepatientstear fluidα-2-macroglobulin

Identifiers

PMID33947010
PMCPMC8125625
OpenAlexW3157673590

What Socratic holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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 Socratic graph.