Evidence map›Paper›PMID 39587234›Full record

ArticleScientific reports2024

Full characterization of unresolved structural variation through long-read sequencing and optical genome mapping.

Griet De Clercq, Lies Vantomme, Barbara Dewaele, Bert Callewaert, Olivier Vanakker, Sandra Janssens, Bart Loeys, Mojca Strazisar, Wouter De Coster, Joris Robert Vermeesch and 2 more

Abstract read
In one paragraph

Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

13 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  12. Chromoanagenesis and Beyond: Catastrophic Events Shaping the Genome.Methods in molecular biology (Clifton, N.J.) · 2025
    Review
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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

12 authors.

Griet De ClercqDepartment of Biomolecular Medicine, Ghent University, Ghent, Belgium.
Lies VantommeDepartment of Biomolecular Medicine, Ghent University, Ghent, Belgium.
Barbara DewaeleCenter for Human Genetics Leuven, University Hospital Leuven, Leuven, Belgium.
Bert CallewaertDepartment of Biomolecular Medicine, Ghent University, Ghent, Belgium.
Olivier VanakkerDepartment of Biomolecular Medicine, Ghent University, Ghent, Belgium.
Sandra JanssensDepartment of Biomolecular Medicine, Ghent University, Ghent, Belgium.
Bart LoeysCenter for Medical Genetics Antwerp, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium.
Mojca StrazisarNeuromics Support Facility, VIB Center for Molecular Neurology, VIB, Antwerp, Belgium.
Wouter De CosterDepartment of Biomedical Sciences, University of Antwerp, Antwerp, Belgium.
Joris Robert VermeeschCenter for Human Genetics Leuven, University Hospital Leuven, Leuven, Belgium.
Annelies DheedeneCenter for Medical Genetics Ghent, Ghent University Hospital, Ghent, Belgium.
Björn MentenDepartment of Biomolecular Medicine, Ghent University, Ghent, Belgium. bjorn.menten@ugent.be.

Funding

Fonds Wetenschappelijk Onderzoek T003819N
6 · The paper itself

Abstract

Structural variants (SVs) are important contributors to human disease. Their characterization remains however difficult due to their size and association with repetitive regions. Long-read sequencing (LRS) and optical genome mapping (OGM) can aid as their molecules span multiple kilobases and capture SVs in full. In this study, we selected six individuals who presented with unresolved SVs. We applied LRS onto all individuals and OGM to a subset of three complex cases. LRS detected and fully resolved the interrogated SV in all samples. This enabled a precise molecular diagnosis in two individuals. Overall, LRS identified 100% of the junctions at single-basepair level, providing valuable insights into their formation mechanisms without need for additional data sources. Application of OGM added straightforward variant phasing, aiding in the unravelment of complex rearrangements. These results highlight the potential of LRS and OGM as follow-up molecular tests for complete SV characterization. We show that they can assess clinically relevant structural variation at unprecedented resolution. Additionally, they detect (complex) cryptic rearrangements missed by conventional methods. This ultimately leads to an increased diagnostic yield, emphasizing their added benefit in a diagnostic setting. To aid their rapid adoption, we provide detailed laboratory and bioinformatics workflows in this manuscript.

Indexed as

Chromosome MappingGenomic Structural VariationHigh-Throughput Nucleotide SequencingComputational BiologyFemaleGenome, HumanHumansMaleSequence Analysis, DNAChromothripsisClinical genomicsComplex genomic rearrangementsLong-read sequencingOptical genome mappingStructural variation

Identifiers

PMID39587234
PMCPMC11589705

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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.