Evidence map›Paper›PMID 33845304›Full record

ArticleParkinsonism & related disorders2021

Frequency of mutations in PRKN, PINK1, and DJ1 in Patients With Early-Onset Parkinson Disease from neighboring countries in Central Europe.

Łukasz M Milanowski, Jennifer A Lindemann, Dorota Hoffman-Zacharska, Alexandra I Soto-Beasley, Maria Barcikowska, Magdalena Boczarska-Jedynak, Angela Deutschlander, Gabriela Kłodowska, Jarosław Dulski, Lyuda Fedoryshyn and 20 more

Open access · greenAbstract read
In one paragraph

Article in Parkinsonism & related disorders, 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
1.0field-weighted citation impact, top 22% 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, 15 citations in OpenAlex.

  1. Rethinking 'rare'Journal of Parkinson's disease · 2025
    Pooled it
  2. Article
  3. Mitoepigenetic Alterations in Early-Onset Parkinson's Disease.International journal of molecular sciences · 2026
    Article
  4. Article
  5. Article
  6. Genetic variants ofIBRO neuroscience reports · 2025
    Article
  7. The α-Synuclein Seeding Amplification Assay for Parkinson's Disease.International journal of molecular sciences · 2025
    Review
  8. Review
  9. Article
  10. Genetic Study of Early Onset Parkinson's Disease in Cyprus.International journal of molecular sciences · 2022
    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

30 authors at 12 institutions in 4 countries.

Łukasz M MilanowskiDepartment of Neurology, Mayo Clinic, Jacksonville, FL, USA; Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA; Department of Neurology, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland.
Jennifer A LindemannDepartment of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.
Dorota Hoffman-ZacharskaDepartment of Medical Genetics, Institute of Mother and Child, Warsaw, Poland.
Alexandra I Soto-BeasleyDepartment of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.
Maria BarcikowskaDepartment of Neurodegenerative Disorders, Mossakowski Medical Research Centre, Polish Academy of Science, Warsaw, Poland.
Magdalena Boczarska-JedynakDepartment of Neurology and Restorative Medicine, Health Institute Dr Boczarska-Jedynak, Oświęcim, Poland.
Angela DeutschlanderDepartment of Neurology, Mayo Clinic, Jacksonville, FL, USA.
Gabriela KłodowskaNeuro-Care Clinic, Siemianowice Śląskie, Poland.
Jarosław DulskiDepartment of Neurology, St. Adalbert Hospital, Copernicus PL Ltd, Gdańsk, Poland; Department of Neurological and Psychiatric Nursing, Medical University of Gdańsk, Gdańsk, Poland.
Lyuda FedoryshynLviv Regional Clinical Hospital, Lviv, Ukraine.
Andrzej FriedmanDepartment of Neurology, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland.
Zygmunt JamrozikDepartment of Neurology, Medical University of Warsaw, Warsaw, Poland.
Piotr JanikDepartment of Neurology, Medical University of Warsaw, Warsaw, Poland.
Katherine KarpinskyUzhhorod Regional Clinical Centre of Neurosurgery and Neurology, Uzhhorod, Ukraine.
Dariusz KoziorowskiDepartment of Neurology, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland.
Anna Krygowska-WajsDepartment of Neurology, Jagiellonian University Medical College, Krakow, Poland.
Barbara Jasińska-MygaDepartment of Neurology, Medical University of Silesia, Katowice, Poland.
Grzegorz OpalaDepartment of Neurology, Medical University of Silesia, Katowice, Poland.
Anna Potulska-ChromikDepartment of Neurology, Medical University of Warsaw, Warsaw, Poland.
Aleksander PulykUzhhorod National University, Uzhhorod, Ukraine.
Irena RektorovaApplied Neuroscience Research Group, Central European Institute of Technology, Masaryk University, Brno, Czech Republic.
Yanosh SanotskyLviv Regional Clinical Hospital, Lviv, Ukraine.
Joanna SiudaDepartment of Neurology, Medical University of Silesia, Katowice, Poland.
Jarosław SławekDepartment of Neurology, St. Adalbert Hospital, Copernicus PL Ltd, Gdańsk, Poland; Department of Neurological and Psychiatric Nursing, Medical University of Gdańsk, Gdańsk, Poland.
Katarzyna ŚmiłowskaSilesian Centre of Neurology, Katowice, Poland.
Lech SzczechowskiSilesian Centre of Neurology, Katowice, Poland.
Monika Rudzińska-BarFaculty of Medicine and Health Sciences, Andrzej Frycz Modrzewski Kraków University, Kraków, Poland.
Ronald L WaltonDepartment of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.
Owen A RossDepartment of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.
Zbigniew K WszolekDepartment of Neurology, Mayo Clinic, Jacksonville, FL, USA. Electronic address: Wszolek.Zbigniew@mayo.edu.
Medical University of Warsaw · PLMayo Clinic in Florida · USMedical University of Silesia · PLCopernicus Memorial Hospital · PLLviv National Musical Academy named after Mykola Lysenko · UAUzhhorod National University · UAAndrzej Frycz Modrzewski Krakow University · PLCentral European Institute of Technology · CZJacksonville College · USJagiellonian University · PLMossakowski Medical Research Institute, Polish Academy of Sciences · PLWinnMed · US

Funding

Utilization of proteomics and lipidomics to identify modifiers of LBDU54NS110435 · NINDS · MAYO CLINIC JACKSONVILLE · PI DICKSON, DENNIS WILLIAM, MCLEAN, PAMELA J · 2019 to 2023
$14.5M
Project 2: Identifying genes and Pathways that impact Tau Toxicity in FTDU54NS100693 · NINDS · MAYO CLINIC JACKSONVILLE · PI PETRUCELLI, LEONARD · 2016 to 2020
$6.2M
Understanding the role of MAPT in Parkinsonian disordersR01NS078086 · NINDS · MAYO CLINIC JACKSONVILLE · PI ROSS, OWEN A · 2012 to 2016
$1.7M
NINDS NIH HHS R01 NS078086NINDS NIH HHS U54 NS100693NINDS NIH HHS U54 NS110435
6 · The paper itself

Abstract

introductionApproximately 10% of patients with Parkinson disease (PD) present with early-onset disease (EOPD), defined as diagnosis before 50 years of age. Genetic factors are known to contribute to EOPD, with most commonly observed mutations in PRKN, PINK1, and DJ1 genes. The aim of our study was to analyze the frequency of PRKN, PINK1, and DJ1 mutations in an EOPD series from 4 neighboring European countries: Czech Republic, Germany, Poland, and Ukraine.

methodsDiagnosis of PD was made based on UK Brain Bank diagnostic criteria in departments experienced in movement disorders (1 from Czech Republic, 1 from Germany, 9 from Poland, and 3 from Ukraine). EOPD was defined as onset at or before 50 years of age. Of the 541 patients recruited to the study, 11 were Czech, 38 German, 476 Polish, and 16 Ukrainian. All cohorts were fully screened with Sanger sequencing for PRKN, PINK1, and DJ1 and multiplex ligation-dependent probe amplification for exon dosage.

resultsPRKN homozygous or double heterozygous mutations were identified in 17 patients: 1 Czech (9.1%), 1 German (2.6%), 14 Polish (2.9%), and 1 Ukrainian (6.3%). PINK1 homozygous mutations were only identified in 3 Polish patients (0.6%). There were no homozygous or compound heterozygous DJ1 mutations in analyzed subpopulations. One novel variant in PRKN was identified in the Ukrainian series.

conclusionIn the analyzed cohorts, mutations in the genes PRKN, PINK1, and DJ1 are not frequently observed.

Indexed as

AdultAgedCohort StudiesEuropeFemaleHumansMaleMiddle AgedMutationParkinson DiseaseProtein Deglycase DJ-1Protein KinasesPTEN-Induced Putative KinaseUbiquitin-Protein LigasesPARK7 protein, humanparkin proteinProtein Deglycase DJ-1Protein KinasesPTEN-Induced Putative KinaseUbiquitin-Protein LigasesCentral EuropeDJ1Early-onset Parkinson diseasePINK1PRKN

Identifiers

PMID33845304
PMCPMC8192481
OpenAlexW3152319636

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.