Evidence map›Paper›PMID 25193386›Full record

ArticlePediatric nephrology (Berlin, Germany)2015

Clinical and genetic characterization of a founder PKHD1 mutation in Afrikaners with ARPKD.

Lindsay Lambie, Rasheda Amin, Fahmida Essop, Avital Cnaan, Amanda Krause, Lisa M Guay-Woodford

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Article in Pediatric nephrology (Berlin, Germany), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.6field-weighted citation impact, top 15% 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

9 citing papers in PubMed, 21 citations in OpenAlex.

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  8. The Future of Polycystic Kidney Disease Research--As Seen By the 12 Kaplan Awardees.Journal of the American Society of Nephrology : JASN · 2015
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4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

6 authors at 3 institutions in 2 countries.

Lindsay LambieDivision of Human Genetics, National Health Laboratory Service and School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
Rasheda Amin
Fahmida Essop
Avital Cnaan
Amanda Krause
Lisa M Guay-Woodford
National Health Laboratory Service · ZAChildren's National · USUniversity of Alabama at Birmingham · US

Funding

UAB Recessive PKD Research and Translational Core CenterP30DK074038 · NIDDK · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI YODER, BRADLEY K. · 2005 to 2019
$16.6M
6 · The paper itself

Abstract

backgroundAutosomal recessive polycystic kidney disease (ARPKD; MIM 263200) occurs in 1:20,000 live births. Disease expression is widely variable, with approximately 30 % of affected neonates dying perinatally, while others survive to adulthood. Mutations at the PKHD1 locus are responsible for all typical presentations. The objectives of this study were to define the clinical and genetic characteristics in a cohort of South African patients of Afrikaner origin, a population with a high prevalence of ARPKD.

methodsDNA from the cohort was analyzed for background haplotypes and the p.M627K mutation previously identified in two unrelated Afrikaner patients. The clinical phenotype of the homozygous group was characterized.

resultsAnalysis of 36 Afrikaner families revealed that 27 patients, from 24 (67 %) families, were homozygous for the p.M627K substitution, occurring on a common haplotype. The clinical phenotype of the homozygous individuals was variable.

conclusionsOur data provide strong evidence that the p.M627K substitution is a founder mutation in the Afrikaner population and can be used for streamlined diagnostic testing for at-risk pregnancies. The observed clinical variability suggests that disease expression is modulated by other genetic loci or by gene-environment interactions.

Indexed as

MutationAge of OnsetChild, PreschoolDNA Mutational AnalysisFemaleFounder EffectGenetic Predisposition to DiseaseHaplotypesHumansInfantInfant, NewbornKaplan-Meier EstimateMalePhenotypePolycystic Kidney, Autosomal RecessivePolymerase Chain ReactionPKHD1 protein, humanReceptors, Cell Surface

Identifiers

PMID25193386
OpenAlexW2092507888

What OpenQuestion holds

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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.