Evidence map›Paper›PMID 25310091›Full record

ArticlePloS one2014

Expressed repeat elements improve RT-qPCR normalization across a wide range of zebrafish gene expression studies.

Suzanne Vanhauwaert, Gert Van Peer, Ali Rihani, Els Janssens, Pieter Rondou, Steve Lefever, Anne De Paepe, Paul J Coucke, Frank Speleman, Jo Vandesompele and 1 more

Abstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
–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

27 citing papers in PubMed.

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  12. Identification and Characterization of Zebrafish Tlr4 Coreceptor Md-2.Journal of immunology (Baltimore, Md. : 1950) · 2021
    Article
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  17. Modeling Tuberculosis in Mycobacterium marinum Infected Adult Zebrafish.Journal of visualized experiments : JoVE · 2018
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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

11 authors.

Suzanne VanhauwaertCenter of Medical Genetics, Ghent University, Ghent, Belgium.
Gert Van PeerCenter of Medical Genetics, Ghent University, Ghent, Belgium.
Ali RihaniCenter of Medical Genetics, Ghent University, Ghent, Belgium.
Els JanssensCenter of Medical Genetics, Ghent University, Ghent, Belgium.
Pieter RondouCenter of Medical Genetics, Ghent University, Ghent, Belgium.
Steve LefeverCenter of Medical Genetics, Ghent University, Ghent, Belgium.
Anne De PaepeCenter of Medical Genetics, Ghent University, Ghent, Belgium.
Paul J CouckeCenter of Medical Genetics, Ghent University, Ghent, Belgium.
Frank SpelemanCenter of Medical Genetics, Ghent University, Ghent, Belgium.
Jo VandesompeleCenter of Medical Genetics, Ghent University, Ghent, Belgium.
Andy WillaertCenter of Medical Genetics, Ghent University, Ghent, Belgium.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The selection and validation of stably expressed reference genes is a critical issue for proper RT-qPCR data normalization. In zebrafish expression studies, many commonly used reference genes are not generally applicable given their variability in expression levels under a variety of experimental conditions. Inappropriate use of these reference genes may lead to false interpretation of expression data and unreliable conclusions. In this study, we evaluated a novel normalization method in zebrafish using expressed repetitive elements (ERE) as reference targets, instead of specific protein coding mRNA targets. We assessed and compared the expression stability of a number of EREs to that of commonly used zebrafish reference genes in a diverse set of experimental conditions including a developmental time series, a set of different organs from adult fish and different treatments of zebrafish embryos including morpholino injections and administration of chemicals. Using geNorm and rank aggregation analysis we demonstrated that EREs have a higher overall expression stability compared to the commonly used reference genes. Moreover, we propose a limited set of ERE reference targets (hatn10, dna15ta1 and loopern4), that show stable expression throughout the wide range of experiments in this study, as strong candidates for inclusion as reference targets for qPCR normalization in future zebrafish expression studies. Our applied strategy to find and evaluate candidate expressed repeat elements for RT-qPCR data normalization has high potential to be used also for other species.

Indexed as

AnimalsGene ExpressionGene Expression ProfilingReal-Time Polymerase Chain ReactionReference StandardsZebrafish

Identifiers

PMID25310091
PMCPMC4195698

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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.