Evidence map›Paper›PMID 28078310›Full record

ArticleAnnals of clinical and translational neurology2017

POLG2 deficiency causes adult-onset syndromic sensory neuropathy, ataxia and parkinsonism.

Lionel Van Maldergem, Arnaud Besse, Boel De Paepe, Emma L Blakely, Vivek Appadurai, Margaret M Humble, Juliette Piard, Kate Craig, Langping He, Pierre Hella and 10 more

Open access · goldAbstract read
In one paragraph

Article in Annals of clinical and translational neurology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
1.2field-weighted citation impact, top 19% 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

10 citing papers in PubMed, 19 citations in OpenAlex.

  1. Review
  2. A Scoping Review of POLG-Related Cerebellar Ataxia: Insights and Clinical Perspectives.Tremor and other hyperkinetic movements (New York, N.Y.) · 2025
    Article
  3. Article
  4. Review
  5. Review
  6. Article
  7. Review
  8. Camptocormia as a Novel Phenotype in a HeterozygousDiagnostics (Basel, Switzerland) · 2020
    Article
  9. Article
  10. 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

20 authors at 11 institutions in 4 countries.

Lionel Van MaldergemCentre de génétique humaine Université de Franche-Comté Besançon France; Metabolic Unit Centre of Human Genetics University Hospital Liège Belgium.
Arnaud BesseDepartment of Molecular and Human Genetics Baylor College of Medicine Houston Texas.
Boel De PaepeDepartment of Pediatrics Division of Child Neurology & Metabolism Ghent University Hospital Belgium.
Emma L BlakelyWellcome Trust Centre for Mitochondrial Research Institute of Neuroscience Newcastle University Newcastle upon Tyne United Kingdom.
Vivek AppaduraiDepartment of Molecular and Human Genetics Baylor College of Medicine Houston Texas.
Margaret M HumbleMitochondrial DNA Replication Group National Institute of Environmental Health Sciences Durham North Carolina.
Juliette PiardCentre de génétique humaine Université de Franche-Comté Besançon France.
Kate CraigWellcome Trust Centre for Mitochondrial Research Institute of Neuroscience Newcastle University Newcastle upon Tyne United Kingdom.
Langping HeWellcome Trust Centre for Mitochondrial Research Institute of Neuroscience Newcastle University Newcastle upon Tyne United Kingdom.
Pierre HellaDepartment of Neurology Sambre and Meuse Regional Hospital Namur Belgium.
François-Guillaume DebrayMetabolic Unit Centre of Human Genetics University Hospital Liège Belgium.
Jean-Jacques MartinBorn-Bunge Foundation University of Antwerp Belgium.
Marion GaussenInserm U1127 CNRS UMR 7225 Sorbonne Universités UPMC Paris France; Institut du Cerveau et de la Moelle épinière Hopital Pitié-Salpêtrière Paris France; Ecole Pratique des Hautes Etudes PSL Université Laboratoire de neurogénétique F-75013 Paris France.
Patrice LalouxUniversité catholique de Louvain CHU UCL Namur Department of Neurology B5530 Yvoir Belgium; UCL Institute of Neuroscience (IoNS) B1200 Brussels Belgium.
Giovanni StevaninInserm U1127 CNRS UMR 7225 Sorbonne Universités UPMC Paris France; Institut du Cerveau et de la Moelle épinière Hopital Pitié-Salpêtrière Paris France; Ecole Pratique des Hautes Etudes PSL Université Laboratoire de neurogénétique F-75013 Paris France.
Rudy Van CosterDepartment of Pediatrics Division of Child Neurology & Metabolism Ghent University Hospital Belgium.
Robert W TaylorWellcome Trust Centre for Mitochondrial Research Institute of Neuroscience Newcastle University Newcastle upon Tyne United Kingdom.
William C CopelandMitochondrial DNA Replication Group National Institute of Environmental Health Sciences Durham North Carolina.
Eric MormontUniversité catholique de Louvain CHU UCL Namur Department of Neurology B5530 Yvoir Belgium; UCL Institute of Neuroscience (IoNS) B1200 Brussels Belgium.
Penelope E BonnenDepartment of Molecular and Human Genetics Baylor College of Medicine Houston Texas.
Baylor College of Medicine · USGhent University Hospital · BENational Institute of Environmental Health Sciences · USNewcastle University · GBUCLouvain · BEUniversité de franche-comté · FRWellcome Centre for Mitochondrial Research · GBCentre Hospitalier Régional de Namur · BEUniversité Paris Cité · FRUniversité Paris Sciences et Lettres · FRUniversity of Antwerp · BE

Funding

Molecular Characterization Of The Mitochondrial Dna PolymeraseZIAES065078 · NIEHS · NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES · PI COPELAND, WILLIAM · 2009 to 2025
$25.4M
Personalized Functional Genomics for Mitochondrial Encephalopathy Gene DiscoveryR01NS083726 · NINDS · BAYLOR COLLEGE OF MEDICINE · PI BONNEN, PENELOPE E · 2014 to 2025
$6.1M
Medical Research Council G0601943NINDS NIH HHS R01 NS083726
6 · The paper itself

Abstract

objectiveMitochondrial dysfunction plays a key role in the pathophysiology of neurodegenerative disorders such as ataxia and Parkinson's disease. We describe an extended Belgian pedigree where seven individuals presented with adult-onset cerebellar ataxia, axonal peripheral ataxic neuropathy, and tremor, in variable combination with parkinsonism, seizures, cognitive decline, and ophthalmoplegia. We sought to identify the underlying molecular etiology and characterize the mitochondrial pathophysiology of this neurological syndrome.

methodsClinical, neurophysiological, and neuroradiological evaluations were conducted. Patient muscle and cultured fibroblasts underwent extensive analyses to assess mitochondrial function. Genetic studies including genome-wide sequencing were conducted.

resultsHallmarks of mitochondrial dysfunction were present in patients' tissues including ultrastructural anomalies of mitochondria, mosaic cytochrome

interpretationThis work extends the clinical spectrum of POLG2 deficiency to include an overwhelming, adult-onset neurological syndrome that includes cerebellar syndrome, peripheral neuropathy, tremor, and parkinsonism. We therefore suggest to include

Identifiers

PMID28078310
PMCPMC5221457
OpenAlexW2556967361

What OpenQuestion 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 OpenQuestion graph.