Evidence map›Paper›PMID 29869118›Full record

ArticlePediatric nephrology (Berlin, Germany)2018

Genetic diagnosis of steroid-resistant nephrotic syndrome in a longitudinal collection of Czech and Slovak patients: a high proportion of causative variants in NUP93.

Martin Bezdíčka, Šárka Štolbová, Tomáš Seeman, Ondřej Cinek, Michal Malina, Naděžda Šimánková, Štěpánka Průhová, Jakub Zieg

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Article in Pediatric nephrology (Berlin, Germany), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 1 pooled it
2.5field-weighted citation impact, top 11% 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

31 citing papers in PubMed, 1 synthesis or guideline pooled it, 46 citations in OpenAlex.

  1. Pooled it
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  8. Review
  9. Nucleoporin-associated steroid-resistant nephrotic syndrome.Pediatric nephrology (Berlin, Germany) · 2025
    Review
  10. Article
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  13. Article
  14. Steroid-Resistant Nephrotic Syndrome Caused byJournal of clinical medicine · 2023
    Article
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  16. A rare cause of steroid-resistant nephrotic syndrome - a case report.Central-European journal of immunology · 2023
    Article
  17. 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

8 authors at 1 institution in 1 country.

Martin BezdíčkaDepartment of Paediatrics, 2nd Faculty of Medicine, Charles University in Prague and University Hospital Motol, V Uvalu 84, Prague, Czech Republic.
Šárka ŠtolbováDepartment of Paediatrics, 2nd Faculty of Medicine, Charles University in Prague and University Hospital Motol, V Uvalu 84, Prague, Czech Republic.
Tomáš SeemanDepartment of Paediatrics, 2nd Faculty of Medicine, Charles University in Prague and University Hospital Motol, V Uvalu 84, Prague, Czech Republic.
Ondřej CinekDepartment of Paediatrics, 2nd Faculty of Medicine, Charles University in Prague and University Hospital Motol, V Uvalu 84, Prague, Czech Republic. ondrej.cinek@fnmotol.cz.ORCID 0000-0002-0526-8714
Michal MalinaDepartment of Paediatrics, 2nd Faculty of Medicine, Charles University in Prague and University Hospital Motol, V Uvalu 84, Prague, Czech Republic.
Naděžda ŠimánkováDepartment of Paediatrics, 2nd Faculty of Medicine, Charles University in Prague and University Hospital Motol, V Uvalu 84, Prague, Czech Republic.
Štěpánka PrůhováDepartment of Paediatrics, 2nd Faculty of Medicine, Charles University in Prague and University Hospital Motol, V Uvalu 84, Prague, Czech Republic.
Jakub ZiegDepartment of Paediatrics, 2nd Faculty of Medicine, Charles University in Prague and University Hospital Motol, V Uvalu 84, Prague, Czech Republic.
Charles University · CZ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSteroid-resistant nephrotic syndrome (SRNS) has a heterogeneous spectrum of monogenic causes that substantially differ among populations. The aim of this study was to analyse the genetic aetiology of SRNS in Czech and Slovak paediatric patients.

methodsWe analysed clinical data from 74 patients (38 boys) with congenital (15%), infant (14%), and childhood-onset (71%) SRNS collected from the Czech Republic and Slovakia from 2000 to 2017 (inclusive). The DNA samples were first analysed by Sanger sequencing (genes NPHS2, NPHS1, and WT1) and then by next generation sequencing (NGS) using a targeted panel of 48 genes previously associated with SRNS. Family segregation of the causative variants was confirmed by Sanger sequencing when possible.

resultsGenetic diagnosis was established in 28/74 patients (38%) based on findings of pathogenic or likely pathogenic causative variants in genotypes conforming to the expected mode of inheritance. Sanger sequencing diagnosed 26% of patients, whereas second-tier testing by a targeted NGS panel diagnosed a further 12%. Frequent causative genes were NPHS2 (15%), WT1 (9.5%), and surprisingly NUP93 with four (5.4%) unrelated cases. Additional causative genes included COQ2 (two patients), NPHS1, INF2, DGKE, and LMX1B (one patient each).

conclusionsCompared with outright use of NGS, our tiered genetic testing strategy was considerably more rapid and marginally less expensive. Apart from a high aetiological fraction of NPHS2 and WT1 genes, our study has identified an unexpectedly high frequency of a limited set of presumably ancestral causative mutations in NUP93. The results may aid in tailoring testing strategies in Central European populations.

Indexed as

Genetic Predisposition to DiseaseAdolescentChildChild, PreschoolCzech RepublicDNA Mutational AnalysisFemaleGenetic TestingGenotypeHumansInfantInfant, NewbornIntracellular Signaling Peptides and ProteinsLongitudinal StudiesMaleMembrane ProteinsIntracellular Signaling Peptides and ProteinsMembrane ProteinsnephrinNPHS2 proteinNuclear Pore Complex ProteinsNup93 protein, humanWT1 protein, humanWT1 ProteinsNext generation sequencingRapid diagnosisSanger sequencingSteroid-resistant nephrotic syndrome

Identifiers

PMID29869118
OpenAlexW2807533319

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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.