Evidence map›Paper›PMID 30543658›Full record

ArticlePloS one2018

Next-generation sequencing identifies unexpected genotype-phenotype correlations in patients with retinitis pigmentosa.

Johannes Birtel, Martin Gliem, Elisabeth Mangold, Philipp L Müller, Frank G Holz, Christine Neuhaus, Steffen Lenzner, Diana Zahnleiter, Christian Betz, Tobias Eisenberger and 2 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed
4.3field-weighted citation impact, top 5% 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

56 citing papers in PubMed, 100 citations in OpenAlex.

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  15. A Novel Arg120Pro Mutation in theIranian journal of medical sciences · 2023
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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 at 2 institutions in 2 countries.

Johannes BirtelDepartment of Ophthalmology, University of Bonn, Bonn, Germany.ORCID 0000-0001-7699-2112
Martin GliemDepartment of Ophthalmology, University of Bonn, Bonn, Germany.
Elisabeth MangoldInstitute of Human Genetics, University of Bonn, Bonn, Germany.
Philipp L MüllerDepartment of Ophthalmology, University of Bonn, Bonn, Germany.
Frank G HolzDepartment of Ophthalmology, University of Bonn, Bonn, Germany.
Christine NeuhausBioscientia Center for Human Genetics, Ingelheim, Germany.
Steffen LenznerBioscientia Center for Human Genetics, Ingelheim, Germany.
Diana ZahnleiterBioscientia Center for Human Genetics, Ingelheim, Germany.
Christian BetzBioscientia Center for Human Genetics, Ingelheim, Germany.
Tobias EisenbergerBioscientia Center for Human Genetics, Ingelheim, Germany.
Hanno J BolzBioscientia Center for Human Genetics, Ingelheim, Germany.
Peter Charbel IssaDepartment of Ophthalmology, University of Bonn, Bonn, Germany.ORCID 0000-0002-0351-6673
University of Bonn · DEUniversity Hospital Cologne · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Retinitis pigmentosa (RP) is an inherited degenerative disease causing severe retinal dystrophy and visual impairment mainly with onset in infancy or adolescence. Targeted next-generation sequencing (NGS) has become an efficient tool to encounter the enormous genetic heterogeneity of diverse retinal dystrophies, including RP. To identify disease-causing mutations in unselected, consecutive RP patients, we conducted Sanger sequencing of genes commonly involved in the suspected genetic RP subtype, followed by targeted large-panel NGS if no mutation was identified, or NGS as primary analysis. A high (70%) detection rate of disease-causing mutations was achieved in a large cohort of 116 unrelated patients. About half (48%) of the solved RP cases were explained by mutations in four genes: RPGR, EYS, PRPF31 and USH2A. Overall, 110 different mutations distributed across 30 different genes were detected, and 46 of these mutations were novel. A molecular diagnosis was achieved in the majority (82-100%) of patients if the family history was suggestive for a particular mode of inheritance, but only in 60% in cases of sporadic RP. The diagnostic potential of extensive molecular analysis in a routine setting is also illustrated by the identification of unexpected genotype-phenotype correlations for RP patients with mutations in CRX, CEP290, RPGRIP1, MFSD8. Furthermore, we identified numerous mutations in autosomal dominant (PRPF31, PRPH2, CRX) and X-linked (RPGR) RP genes in patients with sporadic RP. Variants in RP2 and RPGR were also found in female RP patients with apparently sporadic or dominant disease. In summary, this study demonstrates that massively parallel sequencing of all known retinal dystrophy genes is a valuable diagnostic approach for RP patients.

Indexed as

AdolescentAdultAgedCross-Sectional StudiesDNA Mutational AnalysisFemaleGenes, X-LinkedGenetic Association StudiesGenetic TestingGermanyHigh-Throughput Nucleotide SequencingHumansInheritance PatternsMaleMiddle AgedMutation

Identifiers

PMID30543658
PMCPMC6292620
OpenAlexW2905214127

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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.