Evidence map›Paper›PMID 33510257›Full record

ArticleScientific reports2021

Abundancy of polymorphic CGG repeats in the human genome suggest a broad involvement in neurological disease.

Dale J Annear, Geert Vandeweyer, Ellen Elinck, Alba Sanchis-Juan, Courtney E French, Lucy Raymond, R Frank Kooy

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
6.9field-weighted citation impact, top 3% 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

20 citing papers in PubMed, 47 citations in OpenAlex.

  1. Article
  2. Article
  3. A CGG Repeat Expansion in CSNK1E Associated with Progressive Myoclonic Epilepsy with Incomplete Penetrance.Movement disorders : official journal of the Movement Disorder Society · 2025
    Article
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  7. The human SMAD9 (GCC) repeat links to natural selection and late-onset neurocognitive disorders.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 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

7 authors at 3 institutions in 2 countries.

Dale J AnnearDepartment of Medical Genetics, University of Antwerp, Antwerp, Belgium.
Geert VandeweyerDepartment of Medical Genetics, University of Antwerp, Antwerp, Belgium.
Ellen ElinckDepartment of Medical Genetics, University of Antwerp, Antwerp, Belgium.
Alba Sanchis-JuanNIHR BioResource, Cambridge University Hospitals NHS Foundation Trust, Cambridge Biomedical Campus, Cambridge, CB2 0QQ, UK.
Courtney E FrenchDepartment of Paediatrics, University of Cambridge, Cambridge, CB2 0QQ, UK.
Lucy RaymondNIHR BioResource, Cambridge University Hospitals NHS Foundation Trust, Cambridge Biomedical Campus, Cambridge, CB2 0QQ, UK.
R Frank KooyDepartment of Medical Genetics, University of Antwerp, Antwerp, Belgium. frank.kooy@uantwerpen.be.
University of Antwerp · BEUniversity of Cambridge · GBCambridge University Hospitals NHS Foundation Trust · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Expanded CGG-repeats have been linked to neurodevelopmental and neurodegenerative disorders, including the fragile X syndrome and fragile X-associated tremor/ataxia syndrome (FXTAS). We hypothesized that as of yet uncharacterised CGG-repeat expansions within the genome contribute to human disease. To catalogue the CGG-repeats, 544 human whole genomes were analyzed. In total, 6101 unique CGG-repeats were detected of which more than 93% were highly variable in repeat length. Repeats with a median size of 12 repeat units or more were always polymorphic but shorter repeats were often polymorphic, suggesting a potential intergenerational instability of the CGG region even for repeats units with a median length of four or less. 410 of the CGG repeats were associated with known neurodevelopmental disease genes or with strong candidate genes. Based on their frequency and genomic location, CGG repeats may thus be a currently overlooked cause of human disease.

Indexed as

Genetic Predisposition to DiseaseGenome, HumanPolymorphism, GeneticTrinucleotide Repeat ExpansionTrinucleotide RepeatsAllelesComputational BiologyGenetic Association StudiesGenomic InstabilityHumansMicrosatellite InstabilityMolecular Sequence AnnotationNervous System DiseasesNeurodevelopmental Disorders

Identifiers

PMID33510257
PMCPMC7844047
OpenAlexW3122707914

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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.