Evidence map›Paper›PMID 22210626›Full record

SynthesisHuman molecular genetics2012

Genome-wide association study in multiple human prion diseases suggests genetic risk factors additional to PRNP.

Simon Mead, James Uphill, John Beck, Mark Poulter, Tracy Campbell, Jessica Lowe, Gary Adamson, Holger Hummerich, Norman Klopp, Ina-Maria Rückert and 11 more

Open access · bronzeAbstract readMeta-Analysis
In one paragraph

Synthesis in Human molecular genetics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed, 2 pooled it
3.1field-weighted citation impact, top 8% 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

48 citing papers in PubMed, 2 syntheses or guidelines pooled it, 86 citations in OpenAlex.

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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

21 authors at 8 institutions in 4 countries.

Simon MeadMRC Prion Unit and Department of Neurodegenerative Disease, UCL Institute of Neurology, Queen Square, London WC1N 3BG, UK.
James Uphill
John Beck
Mark Poulter
Tracy Campbell
Jessica Lowe
Gary Adamson
Holger Hummerich
Norman Klopp
Ina-Maria Rückert
H-Erich Wichmann
Dhoyazan Azazi
Vincent Plagnol
Wandagi H Pako
Jerome Whitfield
Michael P Alpers
John Whittaker
David J Balding
Inga Zerr
Hans Kretzschmar
John Collinge
MRC Prion Unit · GBHelmholtz Zentrum München · DEUniversity College London · GBCurtin University · AULudwig-Maximilians-Universität München · DEPapua New Guinea Institute of Medical Research · PGUniversity of Göttingen · DEUniversity of London · GB

Funding

Medical Research Council MC_U123192748Wellcome Trust
6 · The paper itself

Abstract

Prion diseases are fatal neurodegenerative diseases of humans and animals caused by the misfolding and aggregation of prion protein (PrP). Mammalian prion diseases are under strong genetic control but few risk factors are known aside from the PrP gene locus (PRNP). No genome-wide association study (GWAS) has been done aside from a small sample of variant Creutzfeldt-Jakob disease (CJD). We conducted GWAS of sporadic CJD (sCJD), variant CJD (vCJD), iatrogenic CJD, inherited prion disease, kuru and resistance to kuru despite attendance at mortuary feasts. After quality control, we analysed 2000 samples and 6015 control individuals (provided by the Wellcome Trust Case Control Consortium and KORA-gen) for 491032-511862 SNPs in the European study. Association studies were done in each geographical and aetiological group followed by several combined analyses. The PRNP locus was highly associated with risk in all geographical and aetiological groups. This association was driven by the known coding variation at rs1799990 (PRNP codon 129). No non-PRNP loci achieved genome-wide significance in the meta-analysis of all human prion disease. SNPs at the ZBTB38-RASA2 locus were associated with CJD in the UK (rs295301, P = 3.13 × 10(-8); OR, 0.70) but these SNPs showed no replication evidence of association in German sCJD or in Papua New Guinea-based tests. A SNP in the CHN2 gene was associated with vCJD [P = 1.5 × 10(-7); odds ratio (OR), 2.36], but not in UK sCJD (P = 0.049; OR, 1.24), in German sCJD or in PNG groups. In the overall meta-analysis of CJD, 14 SNPs were associated (P < 10(-5); two at PRNP, three at ZBTB38-RASA2, nine at nine other independent non-PRNP loci), more than would be expected by chance. None of the loci recently identified as genome-wide significant in studies of other neurodegenerative diseases showed any clear evidence of association in prion diseases. Concerning common genetic variation, it is likely that the PRNP locus contains the only strong risk factors that act universally across human prion diseases. Our data are most consistent with several other risk loci of modest overall effects which will require further genetic association studies to provide definitive evidence.

Indexed as

Genetic Predisposition to DiseaseGenome-Wide Association StudyPolymorphism, Single NucleotideCase-Control StudiesCreutzfeldt-Jakob SyndromeDisease ResistanceEncephalopathy, Bovine SpongiformFemaleHumansKuruNeoplasm ProteinsPrion DiseasesPrion ProteinsPrionsras GTPase-Activating ProteinsRisk Factorsbeta-chimaerinNeoplasm ProteinsPrion ProteinsPrionsPRNP protein, humanRASA2 protein, humanras GTPase-Activating Proteins

Identifiers

PMID22210626
PMCPMC3313791
OpenAlexW2139131583

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.