Evidence map›Paper›PMID 27618673›Full record

ArticleNeuron2016

Genetic Background Limits Generalizability of Genotype-Phenotype Relationships.

Laura J Sittig, Peter Carbonetto, Kyle A Engel, Kathleen S Krauss, Camila M Barrios-Camacho, Abraham A Palmer

Abstract readVideo-Audio Media
In one paragraph

Article in Neuron, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 151 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
151citing papers in PubMed, 4 pooled it
–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

151 citing papers in PubMed, 4 syntheses or guidelines pooled it.

  1. Effects of excess sodium consumption on arterial function in C57BL/6 mice.American journal of physiology. Heart and circulatory physiology · 2024
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91 more citing papers are in PubMed but not listed here.

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

6 authors.

Laura J SittigDepartment of Human Genetics, University of Chicago, 920 East 58th Street, Chicago, IL 60637, USA; Department of Psychiatry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
Peter CarbonettoDepartment of Human Genetics, University of Chicago, 920 East 58th Street, Chicago, IL 60637, USA.
Kyle A EngelDepartment of Human Genetics, University of Chicago, 920 East 58th Street, Chicago, IL 60637, USA.
Kathleen S KraussDepartment of Human Genetics, University of Chicago, 920 East 58th Street, Chicago, IL 60637, USA.
Camila M Barrios-CamachoDepartment of Human Genetics, University of Chicago, 920 East 58th Street, Chicago, IL 60637, USA.
Abraham A PalmerDepartment of Human Genetics, University of Chicago, 920 East 58th Street, Chicago, IL 60637, USA; Department of Psychiatry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. Electronic address: aap@ucsd.edu.

Funding

UNIVERSITY OF CHICAGO PREPR25GM066522 · NIGMS · UNIVERSITY OF CHICAGO · PI CARRILLO, ROBERT ARNULFO, RANDALL, GLENN C · 2004 to 2024
$6.7M
Training in Emerging Multidisciplinary Approaches to Mental Health and DiseaseT32MH020065 · NIMH · UNIVERSITY OF CHICAGO · PI NICOLAE, DAN LIVIU, RZHETSKY, ANDREY · 2002 to 2017
$2.3M
Efficient discovery of epistatic modifiers of Cacna1c in mice: extending on GWASR21MH102728 · NIMH · UNIVERSITY OF CHICAGO · PI PALMER, ABRAHAM A · 2013 to 2014
$435k
Mapping Epistatic Modifiers of Human Psychiatric Risk Using Mouse GeneticsF32MH102931 · NIMH · UNIVERSITY OF CHICAGO · PI SITTIG, LAURA J. · 2014 to 2015
$113k
NIGMS NIH HHS R25 GM066522NIMH NIH HHS F32 MH102931NIMH NIH HHS R21 MH102728NIMH NIH HHS T32 MH020065
6 · The paper itself

Abstract

Genome-wide association studies (GWASs) have identified numerous loci that influence risk for psychiatric diseases. Genetically engineered mice are often used to characterize genes implicated by GWASs. These studies are based on the assumption that observed genotype-phenotype relationships will generalize to humans, implying that the results would at least generalize to other inbred mouse strains. Given current concerns about reproducibility, we sought to directly test this assumption. We produced F1 crosses between male C57BL/6J mice heterozygous for null alleles of Cacna1c and Tcf7l2 and wild-type females from 30 inbred laboratory strains. We found extremely strong interactions with genetic background that sometimes supported diametrically opposing conclusions. These results do not negate the invaluable contributions of mouse genetics to biomedical science, but they do show that genotype-phenotype relationships cannot be reliably inferred by studying a single genetic background, and thus constitute a major challenge to the status quo. VIDEO ABSTRACT.

Indexed as

Genetic Association StudiesGenetic BackgroundGenotypePhenotypeAllelesAnimalsCalcium Channels, L-TypeFemaleMaleMiceMice, Inbred StrainsMutationReproducibility of ResultsTranscription Factor 7-Like 2 ProteinCACNA1C protein, mouseCalcium Channels, L-TypeTcf7l2 protein, mouseTranscription Factor 7-Like 2 Protein

Identifiers

PMID27618673
PMCPMC5033712

What OpenQuestion holds

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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.